af: fix crash when trying to use volume controls with AC3 pass-through

[mplayer.git] / mplayer.c

/*
 * This file is part of MPlayer.
 *
 * MPlayer is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * MPlayer is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with MPlayer; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <math.h>
#include <assert.h>

#include <libavutil/intreadwrite.h>

#include "config.h"
#include "talloc.h"

#include "osdep/io.h"

#if defined(__MINGW32__) || defined(__CYGWIN__)
#include <windows.h>
#endif
#include <string.h>
#include <unistd.h>

// #include <sys/mman.h>
#include <sys/types.h>
#ifndef __MINGW32__
#include <sys/ioctl.h>
#include <sys/wait.h>
#else
#define SIGHUP  1       /* hangup */
#define SIGQUIT 3       /* quit */
#define SIGKILL 9       /* kill (cannot be caught or ignored) */
#define SIGBUS  10      /* bus error */
#define SIGPIPE 13      /* broken pipe */
#endif

#include <sys/time.h>
#include <sys/stat.h>

#include <signal.h>
#include <time.h>
#include <fcntl.h>
#include <limits.h>

#include <errno.h>

#include "mp_msg.h"
#include "av_log.h"


#include "m_option.h"
#include "m_config.h"
#include "mplayer.h"
#include "m_property.h"

#include "sub/subreader.h"
#include "sub/find_subfiles.h"
#include "sub/dec_sub.h"

#include "mp_osd.h"
#include "libvo/video_out.h"
#include "screenshot.h"

#include "sub/font_load.h"
#include "sub/sub.h"
#include "sub/av_sub.h"
#include "libmpcodecs/dec_teletext.h"
#include "cpudetect.h"
#include "version.h"

#ifdef CONFIG_X11
#include "libvo/x11_common.h"
#endif

#include "libao2/audio_out.h"

#include "codec-cfg.h"

#include "edl.h"

#include "sub/spudec.h"
#include "sub/vobsub.h"

#include "osdep/getch2.h"
#include "osdep/timer.h"

#include "input/input.h"

int slave_mode = 0;
int enable_mouse_movements = 0;
float start_volume = -1;

#include "osdep/priority.h"

char *heartbeat_cmd;

#ifdef HAVE_RTC
#ifdef __linux__
#include <linux/rtc.h>
#else
#include <rtc.h>
#define RTC_IRQP_SET RTCIO_IRQP_SET
#define RTC_PIE_ON   RTCIO_PIE_ON
#endif /* __linux__ */
#endif /* HAVE_RTC */

#include "stream/tv.h"
#include "stream/stream_radio.h"
#ifdef CONFIG_DVBIN
#include "stream/dvbin.h"
#endif
#include "stream/cache2.h"

//**************************************************************************//
//             Playtree
//**************************************************************************//
#include "playtree.h"
#include "playtreeparser.h"

//**************************************************************************//
//             Config
//**************************************************************************//
#include "parser-cfg.h"
#include "parser-mpcmd.h"

//**************************************************************************//
//             Config file
//**************************************************************************//

static int cfg_inc_verbose(m_option_t *conf)
{
    ++verbose;
    return 0;
}

#include "path.h"

//**************************************************************************//
//**************************************************************************//
//             Input media streaming & demultiplexer:
//**************************************************************************//

static int max_framesize = 0;

#include "stream/stream.h"
#include "libmpdemux/demuxer.h"
#include "libmpdemux/stheader.h"

#ifdef CONFIG_DVDREAD
#include "stream/stream_dvd.h"
#endif
#include "stream/stream_dvdnav.h"

#include "libmpcodecs/dec_audio.h"
#include "libmpcodecs/dec_video.h"
#include "libmpcodecs/mp_image.h"
#include "libmpcodecs/vf.h"
#include "libmpcodecs/vd.h"

#include "mixer.h"

#include "mp_core.h"
#include "options.h"
#include "defaultopts.h"

static const char help_text[] = _(
"Usage:   mplayer [options] [url|path/]filename\n"
"\n"
"Basic options: (complete list in the man page)\n"
" -vo <drv>        select video output driver ('-vo help' for a list)\n"
" -ao <drv>        select audio output driver ('-ao help' for a list)\n"
#ifdef CONFIG_VCD
" vcd://<trackno>  play (S)VCD (Super Video CD) track (raw device, no mount)\n"
#endif
#ifdef CONFIG_DVDREAD
" dvd://<titleno>  play DVD title from device instead of plain file\n"
#endif
" -alang/-slang    select DVD audio/subtitle language (by 2-char country code)\n"
" -ss <position>   seek to given (seconds or hh:mm:ss) position\n"
" -nosound         do not play sound\n"
" -fs              fullscreen playback (or -vm, -zoom, details in the man page)\n"
" -x <x> -y <y>    set display resolution (for use with -vm or -zoom)\n"
" -sub <file>      specify subtitle file to use (also see -subfps, -subdelay)\n"
" -playlist <file> specify playlist file\n"
" -vid x -aid y    select video (x) and audio (y) stream to play\n"
" -fps x -srate y  change video (x fps) and audio (y Hz) rate\n"
" -pp <quality>    enable postprocessing filter (details in the man page)\n"
" -framedrop       enable frame dropping (for slow machines)\n"
"\n"
"Basic keys: (complete list in the man page, also check input.conf)\n"
" <-  or  ->       seek backward/forward 10 seconds\n"
" down or up       seek backward/forward  1 minute\n"
" pgdown or pgup   seek backward/forward 10 minutes\n"
" < or >           step backward/forward in playlist\n"
" p or SPACE       pause movie (press any key to continue)\n"
" q or ESC         stop playing and quit program\n"
" + or -           adjust audio delay by +/- 0.1 second\n"
" o                cycle OSD mode:  none / seekbar / seekbar + timer\n"
" * or /           increase or decrease PCM volume\n"
" x or z           adjust subtitle delay by +/- 0.1 second\n"
" r or t           adjust subtitle position up/down, also see -vf expand\n"
" double click     toggle fullscreen\n"
" right click      pause (press again to continue)\n"
"\n"
" * * * SEE THE MAN PAGE FOR DETAILS, FURTHER (ADVANCED) OPTIONS AND KEYS * * *\n"
"\n");


#define Exit_SIGILL_RTCpuSel _(\
"- MPlayer crashed by an 'Illegal Instruction'.\n"\
"  It may be a bug in our new runtime CPU-detection code...\n"\
"  Please read DOCS/HTML/en/bugreports.html.\n")

#define Exit_SIGILL _(\
"- MPlayer crashed by an 'Illegal Instruction'.\n"\
"  It usually happens when you run it on a CPU different than the one it was\n"\
"  compiled/optimized for.\n"\
"  Verify this!\n")

#define Exit_SIGSEGV_SIGFPE _(\
"- MPlayer crashed by bad usage of CPU/FPU/RAM.\n"\
"  Recompile MPlayer with --enable-debug and make a 'gdb' backtrace and\n"\
"  disassembly. Details in DOCS/HTML/en/bugreports_what.html#bugreports_crash.\n")

#define Exit_SIGCRASH _(\
"- MPlayer crashed. This shouldn't happen.\n"\
"  It can be a bug in the MPlayer code _or_ in your drivers _or_ in your\n"\
"  gcc version. If you think it's MPlayer's fault, please read\n"\
"  DOCS/HTML/en/bugreports.html and follow the instructions there. We can't and\n"\
"  won't help unless you provide this information when reporting a possible bug.\n")

#define SystemTooSlow _("\n\n"\
"           ************************************************\n"\
"           **** Your system is too SLOW to play this!  ****\n"\
"           ************************************************\n\n"\
"Possible reasons, problems, workarounds:\n"\
"- Most common: broken/buggy _audio_ driver\n"\
"  - Try -ao sdl or use the OSS emulation of ALSA.\n"\
"  - Experiment with different values for -autosync, 30 is a good start.\n"\
"- Slow video output\n"\
"  - Try a different -vo driver (-vo help for a list) or try -framedrop!\n"\
"- Slow CPU\n"\
"  - Don't try to play a big DVD/DivX on a slow CPU! Try some of the lavdopts,\n"\
"    e.g. -vfm ffmpeg -lavdopts lowres=1:fast:skiploopfilter=all.\n"\
"- Broken file\n"\
"  - Try various combinations of -nobps -ni -forceidx -mc 0.\n"\
"- Slow media (NFS/SMB mounts, DVD, VCD etc)\n"\
"  - Try -cache 8192.\n"\
"- Are you using -cache to play a non-interleaved AVI file?\n"\
"  - Try -nocache.\n"\
"Read DOCS/HTML/en/video.html for tuning/speedup tips.\n"\
"If none of this helps you, read DOCS/HTML/en/bugreports.html.\n\n")


//**************************************************************************//
//**************************************************************************//

#include "mp_fifo.h"

// benchmark:
double video_time_usage;
double vout_time_usage;
static double audio_time_usage;
static int total_time_usage_start;
static int total_frame_cnt;
static int drop_frame_cnt; // total number of dropped frames

// options:
static int output_quality;

// seek:
static off_t seek_to_byte;
static off_t step_sec;

static m_time_size_t end_at = { .type = END_AT_NONE, .pos = 0 };

// codecs:
char **audio_codec_list; // override audio codec
char **video_codec_list; // override video codec
char **audio_fm_list;    // override audio codec family
char **video_fm_list;    // override video codec family

// this dvdsub_id was selected via slang
// use this to allow dvdnav to follow -slang across stream resets,
// in particular the subtitle ID for a language changes
int dvdsub_lang_id;
int vobsub_id = -1;
static char *spudec_ifo = NULL;
int forced_subs_only = 0;

// cache2:
int stream_cache_size = -1;

// dump:
int stream_dump_type = 0;

// A-V sync:
static float default_max_pts_correction = -1;
float audio_delay = 0;
static int ignore_start = 0;

double force_fps = 0;
static int force_srate = 0;
int frame_dropping = 0;      // option  0=no drop  1= drop vo  2= drop decode
static int play_n_frames = -1;
static int play_n_frames_mf = -1;

// sub:
char *font_name = NULL;
char *sub_font_name = NULL;
extern int font_fontconfig;
float font_factor = 0.75;
float sub_delay = 0;
float sub_fps = 0;
int subcc_enabled = 0;
int suboverlap_enabled = 1;

#include "sub/ass_mp.h"

char *current_module; // for debugging


// ---

edl_record_ptr edl_records = NULL; ///< EDL entries memory area
edl_record_ptr next_edl_record = NULL; ///< only for traversing edl_records
FILE *edl_fd;  // file to write to when in -edlout mode.
int use_filedir_conf;
int use_filename_title;

#include "mpcommon.h"
#include "command.h"

#include "metadata.h"

static float get_relative_time(struct MPContext *mpctx)
{
    unsigned int new_time = GetTimer();
    unsigned int delta = new_time - mpctx->last_time;
    mpctx->last_time = new_time;
    return delta * 0.000001;
}

static int is_valid_metadata_type(struct MPContext *mpctx, metadata_t type)
{
    switch (type) {
    /* check for valid video stream */
    case META_VIDEO_CODEC:
    case META_VIDEO_BITRATE:
    case META_VIDEO_RESOLUTION:
        if (!mpctx->sh_video)
            return 0;
        break;

    /* check for valid audio stream */
    case META_AUDIO_CODEC:
    case META_AUDIO_BITRATE:
    case META_AUDIO_SAMPLES:
        if (!mpctx->sh_audio)
            return 0;
        break;

    /* check for valid demuxer */
    case META_INFO_TITLE:
    case META_INFO_ARTIST:
    case META_INFO_ALBUM:
    case META_INFO_YEAR:
    case META_INFO_COMMENT:
    case META_INFO_TRACK:
    case META_INFO_GENRE:
        if (!mpctx->demuxer)
            return 0;
        break;

    default:
        break;
    }

    return 1;
}

static char *get_demuxer_info(struct MPContext *mpctx, char *tag)
{
    char **info = mpctx->demuxer->info;
    int n;

    if (!info || !tag)
        return talloc_strdup(NULL, "");

    for (n = 0; info[2 * n] != NULL; n++)
        if (!strcasecmp(info[2 * n], tag))
            break;

    return talloc_strdup(NULL, info[2 * n + 1] ? info[2 * n + 1] : "");
}

char *get_metadata(struct MPContext *mpctx, metadata_t type)
{
    sh_audio_t * const sh_audio = mpctx->sh_audio;
    sh_video_t * const sh_video = mpctx->sh_video;

    if (!is_valid_metadata_type(mpctx, type))
        return NULL;

    switch (type) {
    case META_NAME:
        return talloc_strdup(NULL, mp_basename(mpctx->filename));
    case META_VIDEO_CODEC:
        if (sh_video->format == 0x10000001)
            return talloc_strdup(NULL, "mpeg1");
        else if (sh_video->format == 0x10000002)
            return talloc_strdup(NULL, "mpeg2");
        else if (sh_video->format == 0x10000004)
            return talloc_strdup(NULL, "mpeg4");
        else if (sh_video->format == 0x10000005)
            return talloc_strdup(NULL, "h264");
        else if (sh_video->format >= 0x20202020)
            return talloc_asprintf(NULL, "%.4s", (char *) &sh_video->format);
        else
            return talloc_asprintf(NULL, "0x%08X", sh_video->format);
    case META_VIDEO_BITRATE:
        return talloc_asprintf(NULL, "%d kbps",
                               (int) (sh_video->i_bps * 8 / 1024));
    case META_VIDEO_RESOLUTION:
        return talloc_asprintf(NULL, "%d x %d", sh_video->disp_w,
                               sh_video->disp_h);
    case META_AUDIO_CODEC:
        if (sh_audio->codec && sh_audio->codec->name)
            return talloc_strdup(NULL, sh_audio->codec->name);
        return talloc_strdup(NULL, "");
    case META_AUDIO_BITRATE:
        return talloc_asprintf(NULL, "%d kbps",
                               (int) (sh_audio->i_bps * 8 / 1000));
    case META_AUDIO_SAMPLES:
        return talloc_asprintf(NULL, "%d Hz, %d ch.", sh_audio->samplerate,
                               sh_audio->channels);

    /* check for valid demuxer */
    case META_INFO_TITLE:
        return get_demuxer_info(mpctx, "Title");

    case META_INFO_ARTIST:
        return get_demuxer_info(mpctx, "Artist");

    case META_INFO_ALBUM:
        return get_demuxer_info(mpctx, "Album");

    case META_INFO_YEAR:
        return get_demuxer_info(mpctx, "Year");

    case META_INFO_COMMENT:
        return get_demuxer_info(mpctx, "Comment");

    case META_INFO_TRACK:
        return get_demuxer_info(mpctx, "Track");

    case META_INFO_GENRE:
        return get_demuxer_info(mpctx, "Genre");

    default:
        break;
    }

    return talloc_strdup(NULL, "");
}

static void print_file_properties(struct MPContext *mpctx, const char *filename)
{
    double start_pts = MP_NOPTS_VALUE;
    double video_start_pts = MP_NOPTS_VALUE;
    mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_FILENAME=%s\n",
           filename_recode(filename));
    mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_DEMUXER=%s\n",
           mpctx->demuxer->desc->name);
    if (mpctx->sh_video) {
        /* Assume FOURCC if all bytes >= 0x20 (' ') */
        if (mpctx->sh_video->format >= 0x20202020)
            mp_msg(MSGT_IDENTIFY, MSGL_INFO,
                   "ID_VIDEO_FORMAT=%.4s\n", (char *)&mpctx->sh_video->format);
        else
            mp_msg(MSGT_IDENTIFY, MSGL_INFO,
                   "ID_VIDEO_FORMAT=0x%08X\n", mpctx->sh_video->format);
        mp_msg(MSGT_IDENTIFY, MSGL_INFO,
               "ID_VIDEO_BITRATE=%d\n", mpctx->sh_video->i_bps * 8);
        mp_msg(MSGT_IDENTIFY, MSGL_INFO,
               "ID_VIDEO_WIDTH=%d\n", mpctx->sh_video->disp_w);
        mp_msg(MSGT_IDENTIFY, MSGL_INFO,
               "ID_VIDEO_HEIGHT=%d\n", mpctx->sh_video->disp_h);
        mp_msg(MSGT_IDENTIFY, MSGL_INFO,
               "ID_VIDEO_FPS=%5.3f\n", mpctx->sh_video->fps);
        mp_msg(MSGT_IDENTIFY, MSGL_INFO,
               "ID_VIDEO_ASPECT=%1.4f\n", mpctx->sh_video->aspect);
        video_start_pts = ds_get_next_pts(mpctx->d_video);
    }
    if (mpctx->sh_audio) {
        /* Assume FOURCC if all bytes >= 0x20 (' ') */
        if (mpctx->sh_audio->format >= 0x20202020)
            mp_msg(MSGT_IDENTIFY, MSGL_INFO,
                   "ID_AUDIO_FORMAT=%.4s\n", (char *)&mpctx->sh_audio->format);
        else
            mp_msg(MSGT_IDENTIFY, MSGL_INFO,
                   "ID_AUDIO_FORMAT=%d\n", mpctx->sh_audio->format);
        mp_msg(MSGT_IDENTIFY, MSGL_INFO,
               "ID_AUDIO_BITRATE=%d\n", mpctx->sh_audio->i_bps * 8);
        mp_msg(MSGT_IDENTIFY, MSGL_INFO,
               "ID_AUDIO_RATE=%d\n", mpctx->sh_audio->samplerate);
        mp_msg(MSGT_IDENTIFY, MSGL_INFO,
               "ID_AUDIO_NCH=%d\n", mpctx->sh_audio->channels);
        start_pts = ds_get_next_pts(mpctx->d_audio);
    }
    if (video_start_pts != MP_NOPTS_VALUE) {
        if (start_pts == MP_NOPTS_VALUE || !mpctx->sh_audio ||
            (mpctx->sh_video && video_start_pts < start_pts))
            start_pts = video_start_pts;
    }
    if (start_pts != MP_NOPTS_VALUE)
        mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_START_TIME=%.2f\n", start_pts);
    else
        mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_START_TIME=unknown\n");
    mp_msg(MSGT_IDENTIFY, MSGL_INFO,
           "ID_LENGTH=%.2f\n", get_time_length(mpctx));
    mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_SEEKABLE=%d\n",
           mpctx->stream->seek
           && (!mpctx->demuxer || mpctx->demuxer->seekable));
    if (mpctx->demuxer) {
        int chapter_count = get_chapter_count(mpctx);
        mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_CHAPTERS=%d\n", chapter_count);
        for (int i = 0; i < chapter_count; i++) {
            mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_CHAPTER_ID=%d\n", i);
            // in milliseconds
            mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_CHAPTER_%d_START=%"PRIu64"\n",
                   i, (int64_t)(chapter_start_time(mpctx, i) * 1000.0));
            char *name = chapter_name(mpctx, i);
            if (name) {
                mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_CHAPTER_%d_NAME=%s\n", i,
                       name);
                talloc_free(name);
            }
        }
    }
}

/// step size of mixer changes
int volstep = 3;

#ifdef CONFIG_DVDNAV
static void mp_dvdnav_context_free(MPContext *ctx)
{
    if (ctx->nav_smpi)
        free_mp_image(ctx->nav_smpi);
    ctx->nav_smpi = NULL;
    free(ctx->nav_buffer);
    ctx->nav_buffer = NULL;
    ctx->nav_start = NULL;
    ctx->nav_in_size = 0;
}
#endif

static void uninit_subs(struct demuxer *demuxer)
{
    for (int i = 0; i < MAX_S_STREAMS; i++) {
        struct sh_sub *sh = demuxer->s_streams[i];
        if (sh && sh->initialized)
            sub_uninit(sh);
    }
}

void uninit_player(struct MPContext *mpctx, unsigned int mask)
{
    mask &= mpctx->initialized_flags;

    mp_msg(MSGT_CPLAYER, MSGL_DBG2, "\n*** uninit(0x%X)\n", mask);

    if (mask & INITIALIZED_ACODEC) {
        mpctx->initialized_flags &= ~INITIALIZED_ACODEC;
        current_module = "uninit_acodec";
        if (mpctx->sh_audio)
            uninit_audio(mpctx->sh_audio);
        mpctx->sh_audio = NULL;
        mpctx->mixer.afilter = NULL;
    }

    if (mask & INITIALIZED_SUB) {
        mpctx->initialized_flags &= ~INITIALIZED_SUB;
        if (mpctx->d_sub->sh)
            sub_switchoff(mpctx->d_sub->sh, mpctx->osd);
    }

    if (mask & INITIALIZED_VCODEC) {
        mpctx->initialized_flags &= ~INITIALIZED_VCODEC;
        current_module = "uninit_vcodec";
        if (mpctx->sh_video)
            uninit_video(mpctx->sh_video);
        mpctx->sh_video = NULL;
    }

    if (mask & INITIALIZED_DEMUXER) {
        mpctx->initialized_flags &= ~INITIALIZED_DEMUXER;
        current_module = "free_demuxer";
        if (mpctx->num_sources) {
            mpctx->demuxer = mpctx->sources[0].demuxer;
            for (int i = 1; i < mpctx->num_sources; i++) {
                uninit_subs(mpctx->sources[i].demuxer);
                free_stream(mpctx->sources[i].stream);
                free_demuxer(mpctx->sources[i].demuxer);
            }
        }
        talloc_free(mpctx->sources);
        mpctx->sources = NULL;
        mpctx->num_sources = 0;
        talloc_free(mpctx->timeline);
        mpctx->timeline = NULL;
        mpctx->num_timeline_parts = 0;
        talloc_free(mpctx->chapters);
        mpctx->chapters = NULL;
        mpctx->num_chapters = 0;
        mpctx->video_offset = 0;
        if (mpctx->demuxer) {
            mpctx->stream = mpctx->demuxer->stream;
            uninit_subs(mpctx->demuxer);
            free_demuxer(mpctx->demuxer);
        }
        mpctx->demuxer = NULL;
    }

    // kill the cache process:
    if (mask & INITIALIZED_STREAM) {
        mpctx->initialized_flags &= ~INITIALIZED_STREAM;
        current_module = "uninit_stream";
        if (mpctx->stream)
            free_stream(mpctx->stream);
        mpctx->stream = NULL;
    }

    if (mask & INITIALIZED_VO) {
        mpctx->initialized_flags &= ~INITIALIZED_VO;
        current_module = "uninit_vo";
        vo_destroy(mpctx->video_out);
        mpctx->video_out = NULL;
#ifdef CONFIG_DVDNAV
        mp_dvdnav_context_free(mpctx);
#endif
    }

    // Must be after libvo uninit, as few vo drivers (svgalib) have tty code.
    if (mask & INITIALIZED_GETCH2) {
        mpctx->initialized_flags &= ~INITIALIZED_GETCH2;
        current_module = "uninit_getch2";
        mp_msg(MSGT_CPLAYER, MSGL_DBG2, "\n[[[uninit getch2]]]\n");
        // restore terminal:
        getch2_disable();
    }

    if (mask & INITIALIZED_VOBSUB) {
        mpctx->initialized_flags &= ~INITIALIZED_VOBSUB;
        current_module = "uninit_vobsub";
        if (vo_vobsub)
            vobsub_close(vo_vobsub);
        vo_vobsub = NULL;
    }

    if (mask & INITIALIZED_SPUDEC) {
        mpctx->initialized_flags &= ~INITIALIZED_SPUDEC;
        current_module = "uninit_spudec";
        spudec_free(vo_spudec);
        vo_spudec = NULL;
    }

    if (mask & INITIALIZED_AO) {
        mpctx->initialized_flags &= ~INITIALIZED_AO;
        current_module = "uninit_ao";
        if (mpctx->edl_muted)
            mixer_mute(&mpctx->mixer);
        if (mpctx->ao)
            ao_uninit(mpctx->ao, mpctx->stop_play != AT_END_OF_FILE);
        mpctx->ao = NULL;
    }

    current_module = NULL;
}

void exit_player_with_rc(struct MPContext *mpctx, enum exit_reason how, int rc)
{
    if (mpctx->user_muted && !mpctx->edl_muted)
        mixer_mute(&mpctx->mixer);
    uninit_player(mpctx, INITIALIZED_ALL);
#if defined(__MINGW32__) || defined(__CYGWIN__)
    timeEndPeriod(1);
#endif
#ifdef CONFIG_X11
    vo_uninit(mpctx->x11_state); // Close the X11 connection (if any is open).
#endif

    current_module = "uninit_input";
    mp_input_uninit(mpctx->input);

#ifdef CONFIG_FREETYPE
    current_module = "uninit_font";
    if (mpctx->osd && mpctx->osd->sub_font != vo_font)
        free_font_desc(mpctx->osd->sub_font);
    free_font_desc(vo_font);
    vo_font = NULL;
    done_freetype();
#endif
    osd_free(mpctx->osd);

#ifdef CONFIG_ASS
    ass_library_done(mpctx->ass_library);
    mpctx->ass_library = NULL;
#endif

    current_module = "exit_player";

    if (mpctx->playtree_iter)
        play_tree_iter_free(mpctx->playtree_iter);
    mpctx->playtree_iter = NULL;
    if (mpctx->playtree)
        play_tree_free(mpctx->playtree, 1);
    mpctx->playtree = NULL;

    talloc_free(mpctx->key_fifo);

    free(edl_records); // free mem allocated for EDL
    edl_records = NULL;
    switch (how) {
    case EXIT_QUIT:
        mp_tmsg(MSGT_CPLAYER, MSGL_INFO, "\nExiting... (%s)\n", "Quit");
        mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_EXIT=QUIT\n");
        break;
    case EXIT_EOF:
        mp_tmsg(MSGT_CPLAYER, MSGL_INFO, "\nExiting... (%s)\n", "End of file");
        mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_EXIT=EOF\n");
        break;
    case EXIT_ERROR:
        mp_tmsg(MSGT_CPLAYER, MSGL_INFO, "\nExiting... (%s)\n", "Fatal error");
        mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_EXIT=ERROR\n");
        break;
    default:
        mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_EXIT=NONE\n");
    }
    mp_msg(MSGT_CPLAYER, MSGL_DBG2,
           "max framesize was %d bytes\n", max_framesize);

    // must be last since e.g. mp_msg uses option values
    // that will be freed by this.
    if (mpctx->mconfig)
        m_config_free(mpctx->mconfig);
    mpctx->mconfig = NULL;

    talloc_free(mpctx);

    exit(rc);
}

static void exit_player(struct MPContext *mpctx, enum exit_reason how)
{
    exit_player_with_rc(mpctx, how, 1);
}

#ifndef __MINGW32__
static void child_sighandler(int x)
{
    pid_t pid;
    while ((pid = waitpid(-1, NULL, WNOHANG)) > 0) ;
}
#endif

#ifdef CONFIG_CRASH_DEBUG
static char *prog_path;
static int crash_debug = 0;
#endif

static void exit_sighandler(int x)
{
    static int sig_count = 0;
#ifdef CONFIG_CRASH_DEBUG
    if (!crash_debug || x != SIGTRAP)
#endif
    ++sig_count;
    if (sig_count == 5) {
        /* We're crashing bad and can't uninit cleanly :(
         * by popular request, we make one last (dirty)
         * effort to restore the user's
         * terminal. */
        getch2_disable();
        exit(1);
    }
    if (sig_count == 6)
        exit(1);
    if (sig_count > 6) {
        // can't stop :(
#ifndef __MINGW32__
        kill(getpid(), SIGKILL);
#endif
    }
    mp_msg(MSGT_CPLAYER, MSGL_FATAL, "\n");
    mp_tmsg(MSGT_CPLAYER, MSGL_FATAL,
            "\nMPlayer interrupted by signal %d in module: %s\n", x,
            current_module ? current_module : "unknown");
    mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_SIGNAL=%d\n", x);
    if (sig_count <= 1)
        switch (x) {
        case SIGINT:
        case SIGPIPE:
        case SIGQUIT:
        case SIGTERM:
        case SIGKILL:
            async_quit_request = 1;
            return; // killed from keyboard (^C) or killed [-9]
        case SIGILL:
#if CONFIG_RUNTIME_CPUDETECT
            mp_tmsg(MSGT_CPLAYER, MSGL_FATAL, Exit_SIGILL_RTCpuSel);
#else
            mp_tmsg(MSGT_CPLAYER, MSGL_FATAL, Exit_SIGILL);
#endif
        case SIGFPE:
        case SIGSEGV:
            mp_tmsg(MSGT_CPLAYER, MSGL_FATAL, Exit_SIGSEGV_SIGFPE);
        default:
            mp_tmsg(MSGT_CPLAYER, MSGL_FATAL, Exit_SIGCRASH);
#ifdef CONFIG_CRASH_DEBUG
            if (crash_debug) {
                int gdb_pid;
                mp_msg(MSGT_CPLAYER, MSGL_INFO, "Forking...\n");
                gdb_pid = fork();
                mp_msg(MSGT_CPLAYER, MSGL_INFO, "Forked...\n");
                if (gdb_pid == 0) { // We are the child
                    char spid[20];
                    snprintf(spid, sizeof(spid), "%i", getppid());
                    getch2_disable(); // allow terminal to work properly with gdb
                    if (execlp("gdb", "gdb", prog_path, spid, "-ex", "bt", NULL) == -1)
                        mp_msg(MSGT_CPLAYER, MSGL_ERR, "Couldn't start gdb\n");
                } else if (gdb_pid < 0)
                    mp_msg(MSGT_CPLAYER, MSGL_ERR, "Couldn't fork\n");
                else
                    waitpid(gdb_pid, NULL, 0);
                if (x == SIGTRAP)
                    return;
            }
#endif
        }
    getch2_disable();
    exit(1);
}

#include "cfg-mplayer.h"

static int cfg_include(m_option_t *conf, char *filename)
{
    return m_config_parse_config_file(conf->priv, filename);
}

#define DEF_CONFIG "# Write your default config options here!\n\n\n"

static void parse_cfgfiles(struct MPContext *mpctx, m_config_t *conf)
{
    struct MPOpts *opts = &mpctx->opts;
    char *conffile;
    int conffile_fd;
    if (!(opts->noconfig & 2) &&
        m_config_parse_config_file(conf, MPLAYER_CONFDIR "/mplayer.conf") < 0)
        exit_player(mpctx, EXIT_NONE);
    if ((conffile = get_path("")) == NULL)
        mp_tmsg(MSGT_CPLAYER, MSGL_WARN, "Cannot find HOME directory.\n");
    else {
        mkdir(conffile, 0777);
        free(conffile);
        if ((conffile = get_path("config")) == NULL)
            mp_tmsg(MSGT_CPLAYER, MSGL_ERR, "get_path(\"config\") problem\n");
        else {
            if ((conffile_fd = open(conffile, O_CREAT | O_EXCL | O_WRONLY,
                        0666)) != -1) {
                mp_tmsg(MSGT_CPLAYER, MSGL_INFO,
                        "Creating config file: %s\n", conffile);
                write(conffile_fd, DEF_CONFIG, sizeof(DEF_CONFIG) - 1);
                close(conffile_fd);
            }
            if (!(opts->noconfig & 1) &&
                m_config_parse_config_file(conf, conffile) < 0)
                exit_player(mpctx, EXIT_NONE);
            free(conffile);
        }
    }
}

#define PROFILE_CFG_PROTOCOL "protocol."

static void load_per_protocol_config(m_config_t *conf, const char * const file)
{
    char *str;
    char protocol[strlen(PROFILE_CFG_PROTOCOL) + strlen(file) + 1];
    m_profile_t *p;

    /* does filename actually uses a protocol ? */
    str = strstr(file, "://");
    if (!str)
        return;

    sprintf(protocol, "%s%s", PROFILE_CFG_PROTOCOL, file);
    protocol[strlen(PROFILE_CFG_PROTOCOL) + strlen(file) - strlen(str)] = '\0';
    p = m_config_get_profile(conf, protocol);
    if (p) {
        mp_tmsg(MSGT_CPLAYER, MSGL_INFO,
                "Loading protocol-related profile '%s'\n", protocol);
        m_config_set_profile(conf, p);
    }
}

#define PROFILE_CFG_EXTENSION "extension."

static void load_per_extension_config(m_config_t *conf, const char * const file)
{
    char *str;
    char extension[strlen(PROFILE_CFG_EXTENSION) + 8];
    m_profile_t *p;

    /* does filename actually have an extension ? */
    str = strrchr(file, '.');
    if (!str)
        return;

    sprintf(extension, PROFILE_CFG_EXTENSION);
    strncat(extension, ++str, 7);
    p = m_config_get_profile(conf, extension);
    if (p) {
        mp_tmsg(MSGT_CPLAYER, MSGL_INFO,
                "Loading extension-related profile '%s'\n", extension);
        m_config_set_profile(conf, p);
    }
}

#define PROFILE_CFG_VO "vo."
#define PROFILE_CFG_AO "ao."

static void load_per_output_config(m_config_t *conf, char *cfg, char *out)
{
    char profile[strlen(cfg) + strlen(out) + 1];
    m_profile_t *p;

    sprintf(profile, "%s%s", cfg, out);
    p = m_config_get_profile(conf, profile);
    if (p) {
        mp_tmsg(MSGT_CPLAYER, MSGL_INFO,
                "Loading extension-related profile '%s'\n", profile);
        m_config_set_profile(conf, p);
    }
}

/**
 * Tries to load a config file
 * @return 0 if file was not found, 1 otherwise
 */
static int try_load_config(m_config_t *conf, const char *file)
{
    if (!mp_path_exists(file))
        return 0;
    mp_tmsg(MSGT_CPLAYER, MSGL_INFO, "Loading config '%s'\n", file);
    m_config_parse_config_file(conf, file);
    return 1;
}

static void load_per_file_config(m_config_t *conf, const char * const file)
{
    char *confpath;
    char cfg[MP_PATH_MAX];
    const char *name;

    if (strlen(file) > MP_PATH_MAX - 14) {
        mp_msg(MSGT_CPLAYER, MSGL_WARN, "Filename is too long, "
               "can not load file or directory specific config files\n");
        return;
    }
    sprintf(cfg, "%s.conf", file);

    name = mp_basename(cfg);
    if (use_filedir_conf) {
        char dircfg[MP_PATH_MAX];
        strcpy(dircfg, cfg);
        strcpy(dircfg + (name - cfg), "mplayer.conf");
        try_load_config(conf, dircfg);

        if (try_load_config(conf, cfg))
            return;
    }

    if ((confpath = get_path(name)) != NULL) {
        try_load_config(conf, confpath);

        free(confpath);
    }
}

/* When libmpdemux performs a blocking operation (network connection or
 * cache filling) if the operation fails we use this function to check
 * if it was interrupted by the user.
 * The function returns a new value for eof. */
static int libmpdemux_was_interrupted(struct MPContext *mpctx, int stop_play)
{
    mp_cmd_t *cmd;
    if ((cmd = mp_input_get_cmd(mpctx->input, 0, 0)) != NULL) {
        switch (cmd->id) {
        case MP_CMD_QUIT:
            exit_player_with_rc(mpctx, EXIT_QUIT,
                                (cmd->nargs > 0) ? cmd->args[0].v.i : 0);
        case MP_CMD_PLAY_TREE_STEP: {
            stop_play = (cmd->args[0].v.i > 0) ? PT_NEXT_ENTRY : PT_PREV_ENTRY;
            mpctx->play_tree_step =
                    (cmd->args[0].v.i == 0) ? 1 : cmd->args[0].v.i;
        } break;
        case MP_CMD_PLAY_TREE_UP_STEP: {
            stop_play = (cmd->args[0].v.i > 0) ? PT_UP_NEXT : PT_UP_PREV;
        } break;
        case MP_CMD_PLAY_ALT_SRC_STEP: {
            stop_play = (cmd->args[0].v.i > 0) ?  PT_NEXT_SRC : PT_PREV_SRC;
        } break;
        }
        mp_cmd_free(cmd);
    }
    return stop_play;
}

static int playtree_add_playlist(struct MPContext *mpctx, play_tree_t *entry)
{
    play_tree_add_bpf(entry, bstr(mpctx->filename));

    {
        if (!entry) {
            entry = mpctx->playtree_iter->tree;
            if (play_tree_iter_step(mpctx->playtree_iter, 1, 0)
                    != PLAY_TREE_ITER_ENTRY)
                return PT_NEXT_ENTRY;
            if (mpctx->playtree_iter->tree == entry) { // Single file loop
                if (play_tree_iter_up_step(mpctx->playtree_iter, 1, 0)
                        != PLAY_TREE_ITER_ENTRY)
                    return PT_NEXT_ENTRY;
            }
            play_tree_remove(entry, 1, 1);
            return PT_NEXT_SRC;
        }
        play_tree_insert_entry(mpctx->playtree_iter->tree, entry);
        play_tree_set_params_from(entry, mpctx->playtree_iter->tree);
        entry = mpctx->playtree_iter->tree;
        if (play_tree_iter_step(mpctx->playtree_iter, 1, 0)
                != PLAY_TREE_ITER_ENTRY)
            return PT_NEXT_ENTRY;
        play_tree_remove(entry, 1, 1);
    }
    return PT_NEXT_SRC;
}

void add_subtitles(struct MPContext *mpctx, char *filename, float fps,
                   int noerr)
{
    struct MPOpts *opts = &mpctx->opts;
    sub_data *subd = NULL;
    struct ass_track *asst = NULL;
    bool is_native_ass = false;

    if (filename == NULL || mpctx->set_of_sub_size >= MAX_SUBTITLE_FILES)
        return;

#ifdef CONFIG_ASS
    if (opts->ass_enabled) {
#ifdef CONFIG_ICONV
        asst = mp_ass_read_stream(mpctx->ass_library, filename, sub_cp);
#else
        asst = mp_ass_read_stream(mpctx->ass_library, filename, 0);
#endif
        is_native_ass = asst;
        if (!asst) {
            subd = sub_read_file(filename, fps, &mpctx->opts);
            if (subd) {
                asst = mp_ass_read_subdata(mpctx->ass_library, opts, subd, fps);
                sub_free(subd);
                subd = NULL;
            }
        }
    } else
#endif
    subd = sub_read_file(filename, fps, &mpctx->opts);


    if (!asst && !subd) {
        mp_tmsg(MSGT_CPLAYER, noerr ? MSGL_WARN : MSGL_ERR,
                "Cannot load subtitles: %s\n", filename_recode(filename));
        return;
    }

    mpctx->set_of_ass_tracks[mpctx->set_of_sub_size] = asst;
    mpctx->set_of_subtitles[mpctx->set_of_sub_size] = subd;
    mpctx->track_was_native_ass[mpctx->set_of_sub_size] = is_native_ass;
    mp_msg(MSGT_IDENTIFY, MSGL_INFO,
           "ID_FILE_SUB_ID=%d\n", mpctx->set_of_sub_size);
    mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_FILE_SUB_FILENAME=%s\n",
           filename_recode(filename));
    ++mpctx->set_of_sub_size;
    mp_tmsg(MSGT_CPLAYER, MSGL_INFO, "SUB: Added subtitle file (%d): %s\n",
            mpctx->set_of_sub_size, filename_recode(filename));
}

void init_vo_spudec(struct MPContext *mpctx)
{
    unsigned width, height;
    spudec_free(vo_spudec);
    mpctx->initialized_flags &= ~INITIALIZED_SPUDEC;
    vo_spudec = NULL;

    // we currently can't work without video stream
    if (!mpctx->sh_video)
        return;

    if (spudec_ifo) {
        unsigned int palette[16];
        current_module = "spudec_init_vobsub";
        if (vobsub_parse_ifo(NULL, spudec_ifo, palette, &width, &height,
                             1, -1, NULL) >= 0)
            vo_spudec = spudec_new_scaled(palette, width, height, NULL, 0);
    }

    width  = mpctx->sh_video->disp_w;
    height = mpctx->sh_video->disp_h;

#ifdef CONFIG_DVDREAD
    if (vo_spudec == NULL && mpctx->stream->type == STREAMTYPE_DVD) {
        current_module = "spudec_init_dvdread";
        vo_spudec = spudec_new_scaled(((dvd_priv_t *)(mpctx->stream->priv))->
                cur_pgc->palette, width, height, NULL, 0);
    }
#endif

#ifdef CONFIG_DVDNAV
    if (vo_spudec == NULL && mpctx->stream->type == STREAMTYPE_DVDNAV) {
        unsigned int *palette = mp_dvdnav_get_spu_clut(mpctx->stream);
        current_module = "spudec_init_dvdnav";
        vo_spudec = spudec_new_scaled(palette, width, height, NULL, 0);
    }
#endif

    if (vo_spudec == NULL) {
        sh_sub_t *sh = mpctx->d_sub->sh;
        current_module = "spudec_init_normal";
        vo_spudec = spudec_new_scaled(NULL, width, height, sh->extradata,
                                      sh->extradata_len);
        spudec_set_font_factor(vo_spudec, font_factor);
    }

    if (vo_spudec != NULL) {
        mpctx->initialized_flags |= INITIALIZED_SPUDEC;
        mp_property_do("sub_forced_only", M_PROPERTY_SET, &forced_subs_only,
                       mpctx);
    }
}

/*
 * In Mac OS X the SDL-lib is built upon Cocoa. The easiest way to
 * make it all work is to use the builtin SDL-bootstrap code, which
 * will be done automatically by replacing our main() if we include SDL.h.
 */
#if defined(__APPLE__) && defined(CONFIG_SDL)
#ifdef CONFIG_SDL_SDL_H
#include <SDL/SDL.h>
#else
#include <SDL.h>
#endif
#endif

/**
 * \brief append a formatted string
 * \param buf buffer to print into
 * \param pos position of terminating 0 in buf
 * \param len maximum number of characters in buf, not including terminating 0
 * \param format printf format string
 */
static void saddf(char *buf, unsigned *pos, int len, const char *format, ...)
{
    va_list va;
    va_start(va, format);
    *pos += vsnprintf(&buf[*pos], len - *pos, format, va);
    va_end(va);
    if (*pos >= len) {
        buf[len] = 0;
        *pos = len;
    }
}

/**
 * \brief append time in the hh:mm:ss.f format
 * \param buf buffer to print into
 * \param pos position of terminating 0 in buf
 * \param len maximum number of characters in buf, not including terminating 0
 * \param time time value to convert/append
 */
static void sadd_hhmmssf(char *buf, unsigned *pos, int len, float time)
{
    int64_t tenths = 10 * time;
    int f1 = tenths % 10;
    int ss = (tenths /  10) % 60;
    int mm = (tenths / 600) % 60;
    int hh = tenths / 36000;
    if (time < 0) {
        saddf(buf, pos, len, "unknown");
        return;
    }
    if (hh > 0)
        saddf(buf, pos, len, "%2d:", hh);
    if (hh > 0 || mm > 0)
        saddf(buf, pos, len, "%02d:", mm);
    saddf(buf, pos, len, "%02d.%1d", ss, f1);
}

static void print_status(struct MPContext *mpctx, double a_pos, bool at_frame)
{
    struct MPOpts *opts = &mpctx->opts;
    sh_video_t * const sh_video = mpctx->sh_video;

    if (mpctx->sh_audio && a_pos == MP_NOPTS_VALUE)
        a_pos = playing_audio_pts(mpctx);
    if (mpctx->sh_audio && sh_video && at_frame) {
        mpctx->last_av_difference = a_pos - mpctx->video_pts - audio_delay;
        if (mpctx->time_frame > 0)
            mpctx->last_av_difference +=
                    mpctx->time_frame * opts->playback_speed;
        if (mpctx->last_av_difference > 0.5 && drop_frame_cnt > 50
            && !mpctx->drop_message_shown) {
            mp_tmsg(MSGT_AVSYNC, MSGL_WARN, SystemTooSlow);
            mpctx->drop_message_shown = true;
        }
    }
    if (opts->quiet)
        return;

    if (a_pos == MP_NOPTS_VALUE)
        a_pos = -9;  // don't print a huge negative number

    int width;
    char *line;
    unsigned pos = 0;
    get_screen_size();
    if (screen_width > 0)
        width = screen_width;
    else
        width = 80;
#if defined(__MINGW32__) || defined(__CYGWIN__) || defined(__OS2__)
    /* Windows command line is broken (MinGW's rxvt works, but we
     * should not depend on that). */
    width--;
#endif
    line = malloc(width + 1); // one additional char for the terminating null

    // Audio time
    if (mpctx->sh_audio) {
        saddf(line, &pos, width, "A:%6.1f ", a_pos);
        if (!sh_video) {
            float len = get_time_length(mpctx);
            saddf(line, &pos, width, "(");
            sadd_hhmmssf(line, &pos, width, a_pos);
            saddf(line, &pos, width, ") of %.1f (", len);
            sadd_hhmmssf(line, &pos, width, len);
            saddf(line, &pos, width, ") ");
        }
    }

    // Video time
    if (sh_video)
        saddf(line, &pos, width, "V:%6.1f ", mpctx->video_pts);

    // A-V sync
    if (mpctx->sh_audio && sh_video)
        saddf(line, &pos, width, "A-V:%7.3f ct:%7.3f ",
              mpctx->last_av_difference, mpctx->total_avsync_change);

    // Video stats
    if (sh_video)
        saddf(line, &pos, width, "%3d/%3d ",
              (int)sh_video->num_frames,
              (int)sh_video->num_frames_decoded);

    // CPU usage
    if (sh_video) {
        if (sh_video->timer > 0.5)
            saddf(line, &pos, width, "%2d%% %2d%% %4.1f%% ",
                  (int)(100.0 * video_time_usage * opts->playback_speed / (double)sh_video->timer),
                  (int)(100.0 * vout_time_usage * opts->playback_speed / (double)sh_video->timer),
                  (100.0 * audio_time_usage * opts->playback_speed / (double)sh_video->timer));
        else
            saddf(line, &pos, width, "??%% ??%% ??,?%% ");
    } else if (mpctx->sh_audio) {
        if (mpctx->delay > 0.5)
            saddf(line, &pos, width, "%4.1f%% ",
                  100.0 * audio_time_usage / (double)mpctx->delay);
        else
            saddf(line, &pos, width, "??,?%% ");
    }

    // VO stats
    if (sh_video)
        saddf(line, &pos, width, "%d %d ", drop_frame_cnt, output_quality);

#ifdef CONFIG_STREAM_CACHE
    // cache stats
    if (stream_cache_size > 0)
        saddf(line, &pos, width, "%d%% ", cache_fill_status(mpctx->stream));
#endif

    // other
    if (opts->playback_speed != 1)
        saddf(line, &pos, width, "%4.2fx ", opts->playback_speed);

    // end
    if (erase_to_end_of_line) {
        line[pos] = 0;
        mp_msg(MSGT_STATUSLINE, MSGL_STATUS,
               "%s%s\r", line, erase_to_end_of_line);
    } else {
        memset(&line[pos], ' ', width - pos);
        line[width] = 0;
        mp_msg(MSGT_STATUSLINE, MSGL_STATUS, "%s\r", line);
    }
    free(line);

    mpctx->status_printed = true;
}

struct stream_dump_progress {
    uint64_t count;
    unsigned start_time;
    unsigned last_print_time;
};

static void stream_dump_progress_start(struct stream_dump_progress *p)
{
    p->start_time = p->last_print_time = GetTimerMS();
    p->count = 0;
}

static void stream_dump_progress(struct stream_dump_progress *p,
                                 uint64_t len, stream_t *stream)
{
    p->count += len;
    unsigned t = GetTimerMS();
    if (t - p->last_print_time < 1000)
        return;

    uint64_t start = stream->start_pos;
    uint64_t end   = stream->end_pos;
    uint64_t pos   = stream->pos;

    p->last_print_time = t;
    /* TODO: pretty print sizes; ETA */
    if (end > start && pos >= start && pos <= end) {
        mp_tmsg(MSGT_STATUSLINE, MSGL_STATUS,
                "dump: %"PRIu64 " bytes written (~%.1f%%)",
                p->count, 100.0 * (pos - start) / (end - start));
        mp_msg(MSGT_STATUSLINE, MSGL_STATUS, "\r");
    } else {
        mp_tmsg(MSGT_STATUSLINE, MSGL_STATUS,
                "dump: %"PRIu64 " bytes written", p->count);
        mp_msg(MSGT_STATUSLINE, MSGL_STATUS, "\r");
    }
}

static void stream_dump_progress_end(struct stream_dump_progress *p, char *name)
{
    mp_msg(MSGT_CPLAYER, MSGL_INFO, "dump: %"PRIu64 " bytes written to '%s'.\n",
           p->count, name);
}

/**
 * \brief build a chain of audio filters that converts the input format
 * to the ao's format, taking into account the current playback_speed.
 * sh_audio describes the requested input format of the chain.
 * ao describes the requested output format of the chain.
 */
static int build_afilter_chain(struct MPContext *mpctx)
{
    struct sh_audio *sh_audio = mpctx->sh_audio;
    struct ao *ao = mpctx->ao;
    struct MPOpts *opts = &mpctx->opts;
    int new_srate;
    int result;
    if (!sh_audio) {
        mpctx->mixer.afilter = NULL;
        return 0;
    }
    if (af_control_any_rev(sh_audio->afilter,
                           AF_CONTROL_PLAYBACK_SPEED | AF_CONTROL_SET,
                           &opts->playback_speed))
        new_srate = sh_audio->samplerate;
    else {
        new_srate = sh_audio->samplerate * opts->playback_speed;
        if (new_srate != ao->samplerate) {
            // limits are taken from libaf/af_resample.c
            if (new_srate < 8000)
                new_srate = 8000;
            if (new_srate > 192000)
                new_srate = 192000;
            opts->playback_speed = (float)new_srate / sh_audio->samplerate;
        }
    }
    result =  init_audio_filters(sh_audio, new_srate,
                                 &ao->samplerate, &ao->channels, &ao->format);
    mpctx->mixer.afilter = sh_audio->afilter;
    return result;
}


typedef struct mp_osd_msg mp_osd_msg_t;
struct mp_osd_msg {
    /// Previous message on the stack.
    mp_osd_msg_t *prev;
    /// Message text.
    char *msg;
    int id, level, started;
    /// Display duration in ms.
    unsigned time;
};

/// OSD message stack.
static mp_osd_msg_t *osd_msg_stack = NULL;

/**
 *  \brief Add a message on the OSD message stack
 *
 *  If a message with the same id is already present in the stack
 *  it is pulled on top of the stack, otherwise a new message is created.
 *
 */
static void set_osd_msg_va(int id, int level, int time, const char *fmt,
                           va_list ap)
{
    mp_osd_msg_t *msg, *last = NULL;

    // look if the id is already in the stack
    for (msg = osd_msg_stack; msg && msg->id != id;
         last = msg, msg = msg->prev) ;
    // not found: alloc it
    if (!msg) {
        msg = talloc_zero(NULL, mp_osd_msg_t);
        msg->prev = osd_msg_stack;
        osd_msg_stack = msg;
    } else if (last) { // found, but it's not on top of the stack
        last->prev = msg->prev;
        msg->prev = osd_msg_stack;
        osd_msg_stack = msg;
    }
    talloc_free(msg->msg);
    // write the msg
    msg->msg = talloc_vasprintf(msg, fmt, ap);
    // set id and time
    msg->id = id;
    msg->level = level;
    msg->time = time;

}

void set_osd_msg(int id, int level, int time, const char *fmt, ...)
{
    va_list ap;
    va_start(ap, fmt);
    set_osd_msg_va(id, level, time, fmt, ap);
    va_end(ap);
}

void set_osd_tmsg(int id, int level, int time, const char *fmt, ...)
{
    va_list ap;
    va_start(ap, fmt);
    set_osd_msg_va(id, level, time, mp_gtext(fmt), ap);
    va_end(ap);
}

/**
 *  \brief Remove a message from the OSD stack
 *
 *  This function can be used to get rid of a message right away.
 *
 */

void rm_osd_msg(int id)
{
    mp_osd_msg_t *msg, *last = NULL;

    // Search for the msg
    for (msg = osd_msg_stack; msg && msg->id != id;
         last = msg, msg = msg->prev) ;
    if (!msg)
        return;

    // Detach it from the stack and free it
    if (last)
        last->prev = msg->prev;
    else
        osd_msg_stack = msg->prev;
    talloc_free(msg);
}

/**
 *  \brief Remove all messages from the OSD stack
 *
 */

static void clear_osd_msgs(void)
{
    mp_osd_msg_t *msg = osd_msg_stack, *prev = NULL;
    while (msg) {
        prev = msg->prev;
        talloc_free(msg);
        msg = prev;
    }
    osd_msg_stack = NULL;
}

/**
 *  \brief Get the current message from the OSD stack.
 *
 *  This function decrements the message timer and destroys the old ones.
 *  The message that should be displayed is returned (if any).
 *
 */

static mp_osd_msg_t *get_osd_msg(struct MPContext *mpctx)
{
    struct MPOpts *opts = &mpctx->opts;
    mp_osd_msg_t *msg, *prev, *last = NULL;
    static unsigned last_update = 0;
    unsigned now = GetTimerMS();
    unsigned diff;
    char hidden_dec_done = 0;

    if (mpctx->osd_visible) {
        // 36000000 means max timed visibility is 1 hour into the future, if
        // the difference is greater assume it's wrapped around from below 0
        if (mpctx->osd_visible - now > 36000000) {
            mpctx->osd_visible = 0;
            vo_osd_progbar_type = -1; // disable
            vo_osd_changed(OSDTYPE_PROGBAR);
            mpctx->osd_function = mpctx->paused ? OSD_PAUSE : OSD_PLAY;
        }
    }
    if (mpctx->osd_show_percentage_until - now > 36000000)
        mpctx->osd_show_percentage_until = 0;

    if (!last_update)
        last_update = now;
    diff = now >= last_update ? now - last_update : 0;

    last_update = now;

    // Look for the first message in the stack with high enough level.
    for (msg = osd_msg_stack; msg; last = msg, msg = prev) {
        prev = msg->prev;
        if (msg->level > opts->osd_level && hidden_dec_done)
            continue;
        // The message has a high enough level or it is the first hidden one
        // in both cases we decrement the timer or kill it.
        if (!msg->started || msg->time > diff) {
            if (msg->started)
                msg->time -= diff;
            else
                msg->started = 1;
            // display it
            if (msg->level <= opts->osd_level)
                return msg;
            hidden_dec_done = 1;
            continue;
        }
        // kill the message
        talloc_free(msg);
        if (last) {
            last->prev = prev;
            msg = last;
        } else {
            osd_msg_stack = prev;
            msg = NULL;
        }
    }
    // Nothing found
    return NULL;
}

/**
 * \brief Display the OSD bar.
 *
 * Display the OSD bar or fall back on a simple message.
 *
 */

void set_osd_bar(struct MPContext *mpctx, int type, const char *name,
                 double min, double max, double val)
{
    struct MPOpts *opts = &mpctx->opts;
    if (opts->osd_level < 1)
        return;

    if (mpctx->sh_video) {
        mpctx->osd_visible = (GetTimerMS() + 1000) | 1;
        vo_osd_progbar_type = type;
        vo_osd_progbar_value = 256 * (val - min) / (max - min);
        vo_osd_changed(OSDTYPE_PROGBAR);
        return;
    }

    set_osd_msg(OSD_MSG_BAR, 1, opts->osd_duration, "%s: %d %%",
                name, ROUND(100 * (val - min) / (max - min)));
}

/**
 * \brief Display text subtitles on the OSD
 */
void set_osd_subtitle(struct MPContext *mpctx, subtitle *subs)
{
    int i;
    vo_sub = subs;
    vo_osd_changed(OSDTYPE_SUBTITLE);
    if (!mpctx->sh_video) {
        // reverse order, since newest set_osd_msg is displayed first
        for (i = SUB_MAX_TEXT - 1; i >= 0; i--) {
            if (!subs || i >= subs->lines || !subs->text[i])
                rm_osd_msg(OSD_MSG_SUB_BASE + i);
            else {
                // HACK: currently display time for each sub line
                // except the last is set to 2 seconds.
                int display_time = i == subs->lines - 1 ? 180000 : 2000;
                set_osd_msg(OSD_MSG_SUB_BASE + i, 1, display_time,
                            "%s", subs->text[i]);
            }
        }
    }
}

/**
 * \brief Update the OSD message line.
 *
 * This function displays the current message on the vo OSD or on the term.
 * If the stack is empty and the OSD level is high enough the timer
 * is displayed (only on the vo OSD).
 *
 */

static void update_osd_msg(struct MPContext *mpctx)
{
    struct MPOpts *opts = &mpctx->opts;
    mp_osd_msg_t *msg;
    struct osd_state *osd = mpctx->osd;
    char osd_text_timer[128];

    if (mpctx->add_osd_seek_info) {
        double percentage = get_percent_pos(mpctx);
        set_osd_bar(mpctx, 0, "Position", 0, 100, percentage);
        if (mpctx->sh_video)
            mpctx->osd_show_percentage_until = (GetTimerMS() + 1000) | 1;
        mpctx->add_osd_seek_info = false;
    }

    // Look if we have a msg
    if ((msg = get_osd_msg(mpctx))) {
        if (strcmp(osd->osd_text, msg->msg)) {
            osd_set_text(osd, msg->msg);
            if (mpctx->sh_video)
                vo_osd_changed(OSDTYPE_OSD);
            else if (opts->term_osd)
                mp_msg(MSGT_CPLAYER, MSGL_STATUS, "%s%s\n", opts->term_osd_esc,
                       msg->msg);
        }
        return;
    }

    if (mpctx->sh_video) {
        // fallback on the timer
        if (opts->osd_level >= 2) {
            int len = get_time_length(mpctx);
            int percentage = -1;
            char percentage_text[10];
            char fractions_text[4];
            double fpts = get_current_time(mpctx);
            int pts = fpts;

            if (mpctx->osd_show_percentage_until)
                percentage = get_percent_pos(mpctx);

            if (percentage >= 0)
                snprintf(percentage_text, 9, " (%d%%)", percentage);
            else
                percentage_text[0] = 0;

            if (opts->osd_fractions == 1) {
                //print fractions as sub-second timestamp
                snprintf(fractions_text, sizeof(fractions_text), ".%02d",
                         (int)((fpts - pts) * 100));
            } else if (opts->osd_fractions == 2) {
                /* Print fractions by estimating the frame count within the
                 * second.
                 *
                 * Rounding or cutting off numbers after the decimal point
                 * causes problems because of float's precision and movies
                 * whose first frame is not exactly at timestamp 0. Therefore,
                 * we add 0.2 and cut off at the decimal point, which proved
                 * to be good heuristic.
                 */
                double fps = mpctx->sh_video->fps;
                if (fps <= 1 || fps > 99)
                    strcpy(fractions_text, ".??");
                else
                    snprintf(fractions_text, sizeof(fractions_text), ".%02d",
                             (int) ((fpts - pts) * fps + 0.2));
            } else {
                //do not print fractions
                fractions_text[0] = 0;
            }

            if (opts->osd_level == 3)
                snprintf(osd_text_timer, sizeof(osd_text_timer),
                         "%c %02d:%02d:%02d%s / %02d:%02d:%02d%s",
                         mpctx->osd_function, pts / 3600, (pts / 60) % 60, pts % 60,
                         fractions_text, len / 3600, (len / 60) % 60, len % 60,
                         percentage_text);
            else
                snprintf(osd_text_timer, sizeof(osd_text_timer),
                         "%c %02d:%02d:%02d%s%s",
                         mpctx->osd_function, pts / 3600, (pts / 60) % 60,
                         pts % 60, fractions_text, percentage_text);
        } else
            osd_text_timer[0] = 0;

        if (strcmp(osd->osd_text, osd_text_timer)) {
            osd_set_text(osd, osd_text_timer);
            vo_osd_changed(OSDTYPE_OSD);
        }
        return;
    }

    // Clear the term osd line
    if (opts->term_osd && osd->osd_text[0]) {
        osd->osd_text[0] = 0;
        mp_msg(MSGT_CPLAYER, MSGL_STATUS, "%s\n", opts->term_osd_esc);
    }
}


void reinit_audio_chain(struct MPContext *mpctx)
{
    struct MPOpts *opts = &mpctx->opts;
    struct ao *ao;
    if (!mpctx->sh_audio)
        return;
    if (!(mpctx->initialized_flags & INITIALIZED_ACODEC)) {
        current_module = "init_audio_codec";
        mp_msg(MSGT_CPLAYER, MSGL_INFO, "==========================================================================\n");
        if (!init_best_audio_codec(mpctx->sh_audio, audio_codec_list, audio_fm_list))
            goto init_error;
        mpctx->initialized_flags |= INITIALIZED_ACODEC;
        mp_msg(MSGT_CPLAYER, MSGL_INFO, "==========================================================================\n");
    }


    current_module = "af_preinit";
    if (!(mpctx->initialized_flags & INITIALIZED_AO)) {
        mpctx->initialized_flags |= INITIALIZED_AO;
        mpctx->ao = ao_create();
        mpctx->ao->samplerate = force_srate;
        mpctx->ao->format = opts->audio_output_format;
    }
    ao = mpctx->ao;

    // first init to detect best values
    if (!init_audio_filters(mpctx->sh_audio,  // preliminary init
                            // input:
                            mpctx->sh_audio->samplerate,
                            // output:
                            &ao->samplerate, &ao->channels, &ao->format)) {
        mp_tmsg(MSGT_CPLAYER, MSGL_ERR, "Error at audio filter chain "
                "pre-init!\n");
        exit_player(mpctx, EXIT_ERROR);
    }
    if (!ao->initialized) {
        current_module = "ao2_init";
        ao->buffersize = opts->ao_buffersize;
        ao_init(ao, opts->audio_driver_list);
        if (!ao->initialized) {
            mp_tmsg(MSGT_CPLAYER, MSGL_ERR,
                    "Could not open/initialize audio device -> no sound.\n");
            goto init_error;
        }
        ao->buffer.start = talloc_new(ao);
        mp_msg(MSGT_CPLAYER, MSGL_INFO,
               "AO: [%s] %dHz %dch %s (%d bytes per sample)\n",
               ao->driver->info->short_name,
               ao->samplerate, ao->channels,
               af_fmt2str_short(ao->format),
               af_fmt2bits(ao->format) / 8);
        mp_msg(MSGT_CPLAYER, MSGL_V, "AO: Description: %s\nAO: Author: %s\n",
               ao->driver->info->name, ao->driver->info->author);
        if (strlen(ao->driver->info->comment) > 0)
            mp_msg(MSGT_CPLAYER, MSGL_V, "AO: Comment: %s\n",
                   ao->driver->info->comment);
    }

    // init audio filters:
    current_module = "af_init";
    if (!build_afilter_chain(mpctx)) {
        mp_tmsg(MSGT_CPLAYER, MSGL_ERR,
                "Couldn't find matching filter/ao format!\n");
        goto init_error;
    }
    mpctx->mixer.ao = ao;
    mpctx->mixer.volstep = volstep;
    mpctx->syncing_audio = true;
    return;

init_error:
    uninit_player(mpctx, INITIALIZED_ACODEC | INITIALIZED_AO);
    mpctx->sh_audio = mpctx->d_audio->sh = NULL; // -> nosound
    mpctx->d_audio->id = -2;
}


// Return pts value corresponding to the end point of audio written to the
// ao so far.
static double written_audio_pts(struct MPContext *mpctx)
{
    sh_audio_t *sh_audio = mpctx->sh_audio;
    demux_stream_t *d_audio = mpctx->d_audio;
    // first calculate the end pts of audio that has been output by decoder
    double a_pts = sh_audio->pts;
    if (a_pts != MP_NOPTS_VALUE)
        // Good, decoder supports new way of calculating audio pts.
        // sh_audio->pts is the timestamp of the latest input packet with
        // known pts that the decoder has decoded. sh_audio->pts_bytes is
        // the amount of bytes the decoder has written after that timestamp.
        a_pts += sh_audio->pts_bytes / (double) sh_audio->o_bps;
    else {
        // Decoder doesn't support new way of calculating pts (or we're
        // being called before it has decoded anything with known timestamp).
        // Use the old method of audio pts calculation: take the timestamp
        // of last packet with known pts the decoder has read data from,
        // and add amount of bytes read after the beginning of that packet
        // divided by input bps. This will be inaccurate if the input/output
        // ratio is not constant for every audio packet or if it is constant
        // but not accurately known in sh_audio->i_bps.

        a_pts = d_audio->pts;
        if (a_pts == MP_NOPTS_VALUE)
            return a_pts;

        // ds_tell_pts returns bytes read after last timestamp from
        // demuxing layer, decoder might use sh_audio->a_in_buffer for bytes
        // it has read but not decoded
        if (sh_audio->i_bps)
            a_pts += (ds_tell_pts(d_audio) - sh_audio->a_in_buffer_len) /
                     (double)sh_audio->i_bps;
    }
    // Now a_pts hopefully holds the pts for end of audio from decoder.
    // Substract data in buffers between decoder and audio out.

    // Decoded but not filtered
    a_pts -= sh_audio->a_buffer_len / (double)sh_audio->o_bps;

    // Data buffered in audio filters, measured in bytes of "missing" output
    double buffered_output = af_calc_delay(sh_audio->afilter);

    // Data that was ready for ao but was buffered because ao didn't fully
    // accept everything to internal buffers yet
    buffered_output += mpctx->ao->buffer.len;

    // Filters divide audio length by playback_speed, so multiply by it
    // to get the length in original units without speedup or slowdown
    a_pts -= buffered_output * mpctx->opts.playback_speed / mpctx->ao->bps;

    return a_pts + mpctx->video_offset;
}

// Return pts value corresponding to currently playing audio.
double playing_audio_pts(struct MPContext *mpctx)
{
    double pts = written_audio_pts(mpctx);
    if (pts == MP_NOPTS_VALUE)
        return pts;
    return pts - mpctx->opts.playback_speed *ao_get_delay(mpctx->ao);
}

static bool is_av_sub(int type)
{
    return type == 'b' || type == 'p' || type == 'x';
}

void update_subtitles(struct MPContext *mpctx, double refpts,
                      double sub_offset, bool reset)
{
    struct MPOpts *opts = &mpctx->opts;
    struct sh_video *sh_video = mpctx->sh_video;
    struct demux_stream *d_sub = mpctx->d_sub;
    double curpts = refpts + sub_delay;
    unsigned char *packet = NULL;
    int len;
    struct sh_sub *sh_sub = d_sub->sh;
    int type = sh_sub ? sh_sub->type : 'v';
    static subtitle subs;
    if (reset) {
        if (sh_sub)
            sub_reset(sh_sub, mpctx->osd);
        sub_clear_text(&subs, MP_NOPTS_VALUE);
        if (vo_sub)
            set_osd_subtitle(mpctx, NULL);
        if (vo_spudec) {
            spudec_reset(vo_spudec);
            vo_osd_changed(OSDTYPE_SPU);
        }
        if (is_av_sub(type))
            reset_avsub(sh_sub);
        return;
    }
    // find sub
    if (mpctx->subdata) {
        if (sub_fps == 0)
            sub_fps = sh_video ? sh_video->fps : 25;
        current_module = "find_sub";
        find_sub(mpctx, mpctx->subdata, curpts *
                 (mpctx->subdata->sub_uses_time ? 100. : sub_fps));
        if (vo_sub)
            mpctx->vo_sub_last = vo_sub;
    }

    // DVD sub:
    if (vobsub_id >= 0 || type == 'v') {
        int timestamp;
        current_module = "spudec";
        /* Get a sub packet from the DVD or a vobsub */
        while (1) {
            // Vobsub
            len = 0;
            if (vo_vobsub) {
                if (curpts >= 0) {
                    len = vobsub_get_packet(vo_vobsub, curpts,
                                            (void **)&packet, &timestamp);
                    if (len > 0)
                        mp_dbg(MSGT_CPLAYER, MSGL_V, "\rVOB sub: len=%d "
                               "v_pts=%5.3f v_timer=%5.3f sub=%5.3f ts=%d \n",
                               len, refpts, sh_video->timer,
                               timestamp / 90000.0, timestamp);
                }
            } else {
                // DVD sub
                len = ds_get_packet_sub(d_sub, (unsigned char **)&packet);
                if (len > 0) {
                    // XXX This is wrong, sh_video->pts can be arbitrarily
                    // much behind demuxing position. Unfortunately using
                    // d_video->pts which would have been the simplest
                    // improvement doesn't work because mpeg specific hacks
                    // in video.c set d_video->pts to 0.
                    float x = d_sub->pts - refpts;
                    if (x > -20 && x < 20) // prevent missing subs on pts reset
                        timestamp = 90000 * d_sub->pts;
                    else
                        timestamp = 90000 * curpts;
                    mp_dbg(MSGT_CPLAYER, MSGL_V, "\rDVD sub: len=%d  "
                           "v_pts=%5.3f  s_pts=%5.3f  ts=%d \n", len,
                           refpts, d_sub->pts, timestamp);
                }
            }
            if (len <= 0 || !packet)
                break;
            // create it only here, since with some broken demuxers we might
            // type = v but no DVD sub and we currently do not change the
            // "original frame size" ever after init, leading to wrong-sized
            // PGS subtitles.
            if (!vo_spudec)
                vo_spudec = spudec_new(NULL);
            if (vo_vobsub || timestamp >= 0)
                spudec_assemble(vo_spudec, packet, len, timestamp);
        }
    } else if (is_text_sub(type) || is_av_sub(type) || type == 'd') {
        if (type == 'd' && !d_sub->demuxer->teletext) {
            tt_stream_props tsp = { 0 };
            void *ptr = &tsp;
            if (teletext_control(NULL, TV_VBI_CONTROL_START, &ptr) ==
                    VBI_CONTROL_TRUE)
                d_sub->demuxer->teletext = ptr;
        }
        if (d_sub->non_interleaved)
            ds_get_next_pts(d_sub);

        while (d_sub->first) {
            double subpts = ds_get_next_pts(d_sub) + sub_offset;
            if (subpts > curpts) {
                // Libass handled subs can be fed to it in advance
                if (!opts->ass_enabled || !is_text_sub(type))
                    break;
                // Try to avoid demuxing whole file at once
                if (d_sub->non_interleaved && subpts > curpts + 1)
                    break;
            }
            double duration = d_sub->first->duration;
            len = ds_get_packet_sub(d_sub, &packet);
            if (is_av_sub(type)) {
                int ret = decode_avsub(sh_sub, packet, len, subpts, duration);
                if (ret < 0)
                    mp_msg(MSGT_SPUDEC, MSGL_WARN, "lavc failed decoding "
                           "subtitle\n");
                continue;
            }
            if (type == 'm') {
                if (len < 2)
                    continue;
                len = FFMIN(len - 2, AV_RB16(packet));
                packet += 2;
            }
            if (type == 'd') {
                if (d_sub->demuxer->teletext) {
                    uint8_t *p = packet;
                    p++;
                    len--;
                    while (len >= 46) {
                        int sublen = p[1];
                        if (p[0] == 2 || p[0] == 3)
                            teletext_control(d_sub->demuxer->teletext,
                                             TV_VBI_CONTROL_DECODE_DVB, p + 2);
                        p   += sublen + 2;
                        len -= sublen + 2;
                    }
                }
                continue;
            }
            if (sh_sub && sh_sub->active) {
                sub_decode(sh_sub, mpctx->osd, packet, len, subpts, duration);
                continue;
            }
            if (subpts != MP_NOPTS_VALUE) {
                if (duration < 0)
                    sub_clear_text(&subs, MP_NOPTS_VALUE);
                if (type == 'a') { // ssa/ass subs without libass => convert to plaintext
                    int i;
                    unsigned char *p = packet;
                    for (i = 0; i < 8 && *p != '\0'; p++)
                        if (*p == ',')
                            i++;
                    if (*p == '\0')  /* Broken line? */
                        continue;
                    len -= p - packet;
                    packet = p;
                }
                double endpts = MP_NOPTS_VALUE;
                if (subpts != MP_NOPTS_VALUE && duration >= 0)
                    endpts = subpts + duration;
                sub_add_text(&subs, packet, len, endpts);
                set_osd_subtitle(mpctx, &subs);
            }
            if (d_sub->non_interleaved)
                ds_get_next_pts(d_sub);
        }
        if (!opts->ass_enabled)
            if (sub_clear_text(&subs, curpts))
                set_osd_subtitle(mpctx, &subs);
    }
    if (vo_spudec) {
        spudec_heartbeat(vo_spudec, 90000 * curpts);
        if (spudec_changed(vo_spudec))
            vo_osd_changed(OSDTYPE_SPU);
    }

    current_module = NULL;
}

static void update_teletext(sh_video_t *sh_video, demuxer_t *demuxer, int reset)
{
    int page_changed;

    if (!demuxer->teletext)
        return;

    //Also forcing page update when such ioctl is not supported or call error occured
    if (teletext_control(demuxer->teletext, TV_VBI_CONTROL_IS_CHANGED,
            &page_changed) != VBI_CONTROL_TRUE)
        page_changed = 1;

    if (!page_changed)
        return;

    if (teletext_control(demuxer->teletext, TV_VBI_CONTROL_GET_VBIPAGE,
            &vo_osd_teletext_page) != VBI_CONTROL_TRUE)
        vo_osd_teletext_page = NULL;
    if (teletext_control(demuxer->teletext, TV_VBI_CONTROL_GET_HALF_PAGE,
            &vo_osd_teletext_half) != VBI_CONTROL_TRUE)
        vo_osd_teletext_half = 0;
    if (teletext_control(demuxer->teletext, TV_VBI_CONTROL_GET_MODE,
            &vo_osd_teletext_mode) != VBI_CONTROL_TRUE)
        vo_osd_teletext_mode = 0;
    if (teletext_control(demuxer->teletext, TV_VBI_CONTROL_GET_FORMAT,
            &vo_osd_teletext_format) != VBI_CONTROL_TRUE)
        vo_osd_teletext_format = 0;
    vo_osd_changed(OSDTYPE_TELETEXT);

    teletext_control(demuxer->teletext, TV_VBI_CONTROL_MARK_UNCHANGED, NULL);
}

static int check_framedrop(struct MPContext *mpctx, double frame_time)
{
    struct MPOpts *opts = &mpctx->opts;
    // check for frame-drop:
    current_module = "check_framedrop";
    if (mpctx->sh_audio && !mpctx->ao->untimed && !mpctx->d_audio->eof) {
        static int dropped_frames;
        float delay = opts->playback_speed * ao_get_delay(mpctx->ao);
        float d = delay - mpctx->delay;
        ++total_frame_cnt;
        // we should avoid dropping too many frames in sequence unless we
        // are too late. and we allow 100ms A-V delay here:
        if (d < -dropped_frames * frame_time - 0.100 && !mpctx->paused
            && !mpctx->restart_playback) {
            ++drop_frame_cnt;
            ++dropped_frames;
            return frame_dropping;
        } else
            dropped_frames = 0;
    }
    return 0;
}


#ifdef HAVE_RTC
int rtc_fd = -1;
#endif

static float timing_sleep(struct MPContext *mpctx, float time_frame)
{
#ifdef HAVE_RTC
    if (rtc_fd >= 0) {
        // -------- RTC -----------
        current_module = "sleep_rtc";
        while (time_frame > 0.000) {
            unsigned long rtc_ts;
            if (read(rtc_fd, &rtc_ts, sizeof(rtc_ts)) <= 0)
                mp_tmsg(MSGT_CPLAYER, MSGL_ERR,
                        "Linux RTC read error: %s\n", strerror(errno));
            time_frame -= get_relative_time(mpctx);
        }
    } else
#endif
    {
        // assume kernel HZ=100 for softsleep, works with larger HZ but with
        // unnecessarily high CPU usage
        struct MPOpts *opts = &mpctx->opts;
        float margin = opts->softsleep ? 0.011 : 0;
        current_module = "sleep_timer";
        while (time_frame > margin) {
            usec_sleep(1000000 * (time_frame - margin));
            time_frame -= get_relative_time(mpctx);
        }
        if (opts->softsleep) {
            current_module = "sleep_soft";
            if (time_frame < 0)
                mp_tmsg(MSGT_AVSYNC, MSGL_WARN,
                        "Warning! Softsleep underflow!\n");
            while (time_frame > 0)
                time_frame -= get_relative_time(mpctx);  // burn the CPU
        }
    }
    return time_frame;
}

static int select_subtitle(MPContext *mpctx)
{
    struct MPOpts *opts = &mpctx->opts;
    // find the best sub to use
    int id;
    int found = 0;
    mpctx->global_sub_pos = -1; // no subs by default
    if (vobsub_id >= 0) {
        // if user asks for a vobsub id, use that first.
        id = vobsub_id;
        found = mp_property_do("sub_vob", M_PROPERTY_SET, &id, mpctx) ==
                M_PROPERTY_OK;
    }

    if (!found && opts->sub_id >= 0) {
        // if user asks for a dvd sub id, use that next.
        id = opts->sub_id;
        found = mp_property_do("sub_demux", M_PROPERTY_SET, &id, mpctx) ==
                M_PROPERTY_OK;
    }

    if (!found) {
        // if there are text subs to use, use those.  (autosubs come last here)
        id = 0;
        found = mp_property_do("sub_file", M_PROPERTY_SET, &id, mpctx) ==
                M_PROPERTY_OK;
    }

    if (!found && opts->sub_id == -1) {
        // finally select subs by language and container hints
        if (opts->sub_id == -1)
            opts->sub_id =
                demuxer_sub_track_by_lang_and_default(mpctx->d_sub->demuxer,
                                                      opts->sub_lang);
        if (opts->sub_id >= 0) {
            id = opts->sub_id;
            found = mp_property_do("sub_demux", M_PROPERTY_SET, &id, mpctx) ==
                    M_PROPERTY_OK;
        }
    }
    return found;
}

#ifdef CONFIG_DVDNAV
#ifndef FF_B_TYPE
#define FF_B_TYPE 3
#endif
/// store decoded video image
static mp_image_t *mp_dvdnav_copy_mpi(mp_image_t *to_mpi,
                                      mp_image_t *from_mpi)
{
    mp_image_t *mpi;

    /// Do not store B-frames
    if (from_mpi->pict_type == FF_B_TYPE)
        return to_mpi;

    if (to_mpi &&
        to_mpi->w == from_mpi->w &&
        to_mpi->h == from_mpi->h &&
        to_mpi->imgfmt == from_mpi->imgfmt)
        mpi = to_mpi;
    else {
        if (to_mpi)
            free_mp_image(to_mpi);
        if (from_mpi->w == 0 || from_mpi->h == 0)
            return NULL;
        mpi = alloc_mpi(from_mpi->w, from_mpi->h, from_mpi->imgfmt);
    }

    copy_mpi(mpi, from_mpi);
    return mpi;
}

static void mp_dvdnav_reset_stream(MPContext *ctx)
{
    struct MPOpts *opts = &ctx->opts;
    if (ctx->sh_video) {
        /// clear video pts
        ctx->d_video->pts = 0.0f;
        ctx->sh_video->pts = 0.0f;
        ctx->sh_video->i_pts = 0.0f;
        ctx->sh_video->last_pts = 0.0f;
        ctx->sh_video->num_buffered_pts = 0;
        ctx->sh_video->num_frames = 0;
        ctx->sh_video->num_frames_decoded = 0;
        ctx->sh_video->timer = 0.0f;
        ctx->sh_video->stream_delay = 0.0f;
        ctx->sh_video->timer = 0;
        ctx->demuxer->stream_pts = MP_NOPTS_VALUE;
    }

    if (ctx->sh_audio) {
        /// free audio packets and reset
        ds_free_packs(ctx->d_audio);
        audio_delay -= ctx->sh_audio->stream_delay;
        ctx->delay = -audio_delay;
        ao_reset(ctx->ao);
        resync_audio_stream(ctx->sh_audio);
    }

    audio_delay = 0.0f;
    ctx->sub_counts[SUB_SOURCE_DEMUX] = mp_dvdnav_number_of_subs(ctx->stream);
    if (opts->sub_lang && opts->sub_id == dvdsub_lang_id) {
        dvdsub_lang_id = mp_dvdnav_sid_from_lang(ctx->stream, opts->sub_lang);
        if (dvdsub_lang_id != opts->sub_id) {
            opts->sub_id = dvdsub_lang_id;
            select_subtitle(ctx);
        }
    }

    /// clear all EOF related flags
    ctx->d_video->eof = ctx->d_audio->eof = ctx->stream->eof = 0;
}

/// Restore last decoded DVDNAV (still frame)
static mp_image_t *mp_dvdnav_restore_smpi(struct MPContext *mpctx,
                                          int *in_size,
                                          unsigned char **start,
                                          mp_image_t *decoded_frame)
{
    if (mpctx->stream->type != STREAMTYPE_DVDNAV)
        return decoded_frame;

    /// a change occurred in dvdnav stream
    if (mp_dvdnav_cell_has_changed(mpctx->stream, 0)) {
        mp_dvdnav_read_wait(mpctx->stream, 1, 1);
        mp_dvdnav_context_free(mpctx);
        mp_dvdnav_reset_stream(mpctx);
        mp_dvdnav_read_wait(mpctx->stream, 0, 1);
        mp_dvdnav_cell_has_changed(mpctx->stream, 1);
    }

    if (*in_size < 0) {
        float len;

        /// Display still frame, if any
        if (mpctx->nav_smpi && !mpctx->nav_buffer)
            decoded_frame = mpctx->nav_smpi;

        /// increment video frame : continue playing after still frame
        len = get_time_length(mpctx);
        if (mpctx->sh_video->pts >= len &&
            mpctx->sh_video->pts > 0.0 && len > 0.0) {
            mp_dvdnav_skip_still(mpctx->stream);
            mp_dvdnav_skip_wait(mpctx->stream);
        }
        mpctx->sh_video->pts += 1 / mpctx->sh_video->fps;

        if (mpctx->nav_buffer) {
            *start = mpctx->nav_start;
            *in_size = mpctx->nav_in_size;
            if (mpctx->nav_start)
                memcpy(*start, mpctx->nav_buffer, mpctx->nav_in_size);
        }
    }

    return decoded_frame;
}

/// Save last decoded DVDNAV (still frame)
static void mp_dvdnav_save_smpi(struct MPContext *mpctx, int in_size,
                                unsigned char *start,
                                mp_image_t *decoded_frame)
{
    if (mpctx->stream->type != STREAMTYPE_DVDNAV)
        return;

    free(mpctx->nav_buffer);
    mpctx->nav_buffer  = NULL;
    mpctx->nav_start   = NULL;
    mpctx->nav_in_size = -1;

    if (in_size > 0)
        mpctx->nav_buffer = malloc(in_size);
    if (mpctx->nav_buffer) {
        mpctx->nav_start = start;
        mpctx->nav_in_size = in_size;
        memcpy(mpctx->nav_buffer, start, in_size);
    }

    if (decoded_frame && mpctx->nav_smpi != decoded_frame)
        mpctx->nav_smpi = mp_dvdnav_copy_mpi(mpctx->nav_smpi, decoded_frame);
}
#endif /* CONFIG_DVDNAV */

/* Modify video timing to match the audio timeline. There are two main
 * reasons this is needed. First, video and audio can start from different
 * positions at beginning of file or after a seek (MPlayer starts both
 * immediately even if they have different pts). Second, the file can have
 * audio timestamps that are inconsistent with the duration of the audio
 * packets, for example two consecutive timestamp values differing by
 * one second but only a packet with enough samples for half a second
 * of playback between them.
 */
static void adjust_sync(struct MPContext *mpctx, double frame_time)
{
    current_module = "av_sync";

    if (!mpctx->sh_audio || mpctx->syncing_audio)
        return;

    double a_pts = written_audio_pts(mpctx) - mpctx->delay;
    double v_pts = mpctx->sh_video->pts;
    double av_delay = a_pts - v_pts;
    // Try to sync vo_flip() so it will *finish* at given time
    av_delay += mpctx->last_vo_flip_duration;
    av_delay -= audio_delay;   // This much pts difference is desired

    double change = av_delay * 0.1;
    double max_change = default_max_pts_correction >= 0 ?
                        default_max_pts_correction : frame_time * 0.1;
    if (change < -max_change)
        change = -max_change;
    else if (change > max_change)
        change = max_change;
    mpctx->delay += change;
    mpctx->total_avsync_change += change;
}

static int write_to_ao(struct MPContext *mpctx, void *data, int len, int flags,
                       double pts)
{
    if (mpctx->paused)
        return 0;
    struct ao *ao = mpctx->ao;
    double bps = ao->bps / mpctx->opts.playback_speed;
    ao->pts = pts;
    // hack used by some mpeg-writing AOs
    ao->brokenpts = ((mpctx->sh_video ? mpctx->sh_video->timer : 0) +
                     mpctx->delay) * 90000.0;
    int played = ao_play(mpctx->ao, data, len, flags);
    if (played > 0) {
        mpctx->delay += played / bps;
        // Keep correct pts for remaining data - could be used to flush
        // remaining buffer when closing ao.
        ao->pts += played / bps;
    }
    return played;
}

#define ASYNC_PLAY_DONE -3
static int audio_start_sync(struct MPContext *mpctx, int playsize)
{
    struct ao *ao = mpctx->ao;
    struct MPOpts *opts = &mpctx->opts;
    sh_audio_t * const sh_audio = mpctx->sh_audio;
    int res;

    // Timing info may not be set without
    res = decode_audio(sh_audio, &ao->buffer, 1);
    if (res < 0)
        return res;

    int bytes;
    bool did_retry = false;
    double written_pts;
    double bps = ao->bps / opts->playback_speed;
    bool hrseek = mpctx->hrseek_active;   // audio only hrseek
    mpctx->hrseek_active = false;
    while (1) {
        written_pts = written_audio_pts(mpctx);
        double ptsdiff;
        if (hrseek)
            ptsdiff = written_pts - mpctx->hrseek_pts;
        else
            ptsdiff = written_pts - mpctx->sh_video->pts - mpctx->delay
                      - audio_delay;
        bytes = ptsdiff * bps;
        bytes -= bytes % (ao->channels * af_fmt2bits(ao->format) / 8);

        // ogg demuxers give packets without timing
        if (written_pts <= 1 && sh_audio->pts == MP_NOPTS_VALUE) {
            if (!did_retry) {
                // Try to read more data to see packets that have pts
                int res = decode_audio(sh_audio, &ao->buffer, ao->bps);
                if (res < 0)
                    return res;
                did_retry = true;
                continue;
            }
            bytes = 0;
        }

        if (fabs(ptsdiff) > 300)   // pts reset or just broken?
            bytes = 0;

        if (bytes > 0)
            break;

        mpctx->syncing_audio = false;
        int a = FFMIN(-bytes, FFMAX(playsize, 20000));
        int res = decode_audio(sh_audio, &ao->buffer, a);
        bytes += ao->buffer.len;
        if (bytes >= 0) {
            memmove(ao->buffer.start,
                    ao->buffer.start + ao->buffer.len - bytes, bytes);
            ao->buffer.len = bytes;
            if (res < 0)
                return res;
            return decode_audio(sh_audio, &ao->buffer, playsize);
        }
        ao->buffer.len = 0;
        if (res < 0)
            return res;
    }
    if (hrseek)
        // Don't add silence in audio-only case even if position is too late
        return 0;
    int fillbyte = 0;
    if ((ao->format & AF_FORMAT_SIGN_MASK) == AF_FORMAT_US)
        fillbyte = 0x80;
    if (bytes >= playsize) {
        /* This case could fall back to the one below with
         * bytes = playsize, but then silence would keep accumulating
         * in a_out_buffer if the AO accepts less data than it asks for
         * in playsize. */
        char *p = malloc(playsize);
        memset(p, fillbyte, playsize);
        write_to_ao(mpctx, p, playsize, 0, written_pts - bytes / bps);
        free(p);
        return ASYNC_PLAY_DONE;
    }
    mpctx->syncing_audio = false;
    decode_audio_prepend_bytes(&ao->buffer, bytes, fillbyte);
    return decode_audio(sh_audio, &ao->buffer, playsize);
}

static int fill_audio_out_buffers(struct MPContext *mpctx)
{
    struct MPOpts *opts = &mpctx->opts;
    struct ao *ao = mpctx->ao;
    unsigned int t;
    double tt;
    int playsize;
    int playflags = 0;
    bool audio_eof = false;
    bool partial_fill = false;
    sh_audio_t * const sh_audio = mpctx->sh_audio;
    bool modifiable_audio_format = !(ao->format & AF_FORMAT_SPECIAL_MASK);
    int unitsize = ao->channels * af_fmt2bits(ao->format) / 8;

    current_module = "play_audio";

    if (ao->untimed && mpctx->sh_video && mpctx->delay > 0)
        return 0;

    // hack used by some mpeg-writing AOs
    ao->brokenpts = ((mpctx->sh_video ? mpctx->sh_video->timer : 0) +
                     mpctx->delay) * 90000.0;

    if (mpctx->paused)
        playsize = 1;   // just initialize things (audio pts at least)
    else
        playsize = ao_get_space(ao);

    // Fill buffer if needed:
    current_module = "decode_audio";
    t = GetTimer();

    // Coming here with hrseek_active still set means audio-only
    if (!mpctx->sh_video)
        mpctx->syncing_audio = false;
    if (!opts->initial_audio_sync || !modifiable_audio_format) {
        mpctx->syncing_audio = false;
        mpctx->hrseek_active = false;
    }

    int res;
    if (mpctx->syncing_audio || mpctx->hrseek_active)
        res = audio_start_sync(mpctx, playsize);
    else
        res = decode_audio(sh_audio, &ao->buffer, playsize);
    if (res < 0) {  // EOF, error or format change
        if (res == -2) {
            /* The format change isn't handled too gracefully. A more precise
             * implementation would require draining buffered old-format audio
             * while displaying video, then doing the output format switch.
             */
            uninit_player(mpctx, INITIALIZED_AO);
            reinit_audio_chain(mpctx);
            return -1;
        } else if (res == ASYNC_PLAY_DONE)
            return 0;
        else if (mpctx->d_audio->eof)
            audio_eof = true;
    }
    t = GetTimer() - t;
    tt = t * 0.000001f;
    audio_time_usage += tt;
    if (mpctx->timeline && modifiable_audio_format) {
        double endpts = mpctx->timeline[mpctx->timeline_part + 1].start;
        double bytes = (endpts - written_audio_pts(mpctx) + audio_delay)
                       * ao->bps / opts->playback_speed;
        if (playsize > bytes) {
            playsize = FFMAX(bytes, 0);
            playflags |= AOPLAY_FINAL_CHUNK;
            audio_eof = true;
            partial_fill = true;
        }
    }

    assert(ao->buffer.len % unitsize == 0);
    if (playsize > ao->buffer.len) {
        partial_fill = true;
        playsize = ao->buffer.len;
        if (audio_eof)
            playflags |= AOPLAY_FINAL_CHUNK;
    }
    playsize -= playsize % unitsize;
    if (!playsize)
        return partial_fill && audio_eof ? -2 : -partial_fill;

    // play audio:
    current_module = "play_audio";

    int played = write_to_ao(mpctx, ao->buffer.start, playsize, playflags,
                             written_audio_pts(mpctx));
    assert(played % unitsize == 0);
    ao->buffer_playable_size = playsize - played;

    if (played > 0) {
        ao->buffer.len -= played;
        memmove(ao->buffer.start, ao->buffer.start + played, ao->buffer.len);
    } else if (!mpctx->paused && audio_eof && ao_get_delay(ao) < .04) {
        // Sanity check to avoid hanging in case current ao doesn't output
        // partial chunks and doesn't check for AOPLAY_FINAL_CHUNK
        return -2;
    }

    return -partial_fill;
}

static int sleep_until_near_frame(struct MPContext *mpctx, float *time_frame,
                                  bool sync_to_audio, float *aq_sleep_time)
{
    struct MPOpts *opts = &mpctx->opts;
    double audio_limit = 2;
    current_module = "calc_sleep_time";

    if (mpctx->restart_playback)
        return 0;

    *time_frame -= get_relative_time(mpctx); // reset timer

    if (sync_to_audio) {
        float delay = ao_get_delay(mpctx->ao);
        mp_dbg(MSGT_AVSYNC, MSGL_DBG2, "delay=%f\n", delay);

        if (opts->autosync) {
            /*
             * Adjust this raw delay value by calculating the expected
             * delay for this frame and generating a new value which is
             * weighted between the two.  The higher autosync is, the
             * closer to the delay value gets to that which "-nosound"
             * would have used, and the longer it will take for A/V
             * sync to settle at the right value (but it eventually will.)
             * This settling time is very short for values below 100.
             */
            float predicted = mpctx->delay / opts->playback_speed + *time_frame;
            float difference = delay - predicted;
            delay = predicted + difference / (float)opts->autosync;
        }

        *time_frame = delay - mpctx->delay / opts->playback_speed;

        // delay = amount of audio buffered in soundcard/driver
        delay = FFMIN(delay, 0.5);
        delay = FFMAX(delay, 0.1);
        audio_limit = delay;
    } else {
        // If we're lagging more than 200 ms behind the right playback rate,
        // don't try to "catch up".
        // If benchmark is set always output frames as fast as possible
        // without sleeping.
        if (*time_frame < -0.2 || opts->benchmark)
            *time_frame = 0;
    }

    double t = *time_frame - mpctx->video_out->flip_queue_offset;

    if (t <= 0.05)
        return 0;

    t -= 0.05;
    if (t > audio_limit * 0.6)
        t = audio_limit * 0.5;
    *aq_sleep_time += t;
    mp_input_get_cmd(mpctx->input, t * 1000 + 1, 1);
    return 1;
}

int reinit_video_chain(struct MPContext *mpctx)
{
    struct MPOpts *opts = &mpctx->opts;
    sh_video_t * const sh_video = mpctx->sh_video;
    if (!sh_video)
        return 0;
    double ar = -1.0;
    //================== Init VIDEO (codec & libvo) ==========================
    if (!opts->fixed_vo || !(mpctx->initialized_flags & INITIALIZED_VO)) {
        current_module = "preinit_libvo";

        //shouldn't we set dvideo->id=-2 when we fail?
        //if((mpctx->video_out->preinit(vo_subdevice))!=0){
        if (!(mpctx->video_out = init_best_video_out(opts, mpctx->x11_state,
                                                     mpctx->key_fifo,
                                                     mpctx->input))) {
            mp_tmsg(MSGT_CPLAYER, MSGL_FATAL, "Error opening/initializing "
                    "the selected video_out (-vo) device.\n");
            goto err_out;
        }
        mpctx->initialized_flags |= INITIALIZED_VO;
    }

    if (stream_control(mpctx->demuxer->stream, STREAM_CTRL_GET_ASPECT_RATIO,
                &ar) != STREAM_UNSUPPORTED)
        mpctx->sh_video->stream_aspect = ar;
    current_module = "init_video_filters";
    {
        char *vf_arg[] = {
            "_oldargs_", (char *)mpctx->video_out, NULL
        };
        sh_video->vfilter = vf_open_filter(opts, NULL, "vo", vf_arg);
    }

#ifdef CONFIG_ASS
    if (opts->ass_enabled) {
        int i;
        int insert = 1;
        if (opts->vf_settings)
            for (i = 0; opts->vf_settings[i].name; ++i)
                if (strcmp(opts->vf_settings[i].name, "ass") == 0) {
                    insert = 0;
                    break;
                }
        if (insert) {
            extern vf_info_t vf_info_ass;
            const vf_info_t *libass_vfs[] = {
                &vf_info_ass, NULL
            };
            char *vf_arg[] = {
                "auto", "1", NULL
            };
            int retcode = 0;
            struct vf_instance *vf_ass = vf_open_plugin_noerr(opts, libass_vfs,
                                                              sh_video->vfilter,
                                                              "ass", vf_arg,
                                                              &retcode);
            if (vf_ass)
                sh_video->vfilter = vf_ass;
            else if (retcode == -1) // vf_ass open() returns -1 VO has EOSD
                mp_msg(MSGT_CPLAYER, MSGL_V, "[ass] vf_ass not needed\n");
            else
                mp_msg(MSGT_CPLAYER, MSGL_ERR,
                       "ASS: cannot add video filter\n");
        }
    }
#endif

    sh_video->vfilter = append_filters(sh_video->vfilter, opts->vf_settings);

#ifdef CONFIG_ASS
    if (opts->ass_enabled)
        sh_video->vfilter->control(sh_video->vfilter, VFCTRL_INIT_EOSD,
                                   mpctx->ass_library);
#endif

    current_module = "init_video_codec";

    mp_msg(MSGT_CPLAYER, MSGL_INFO, "==========================================================================\n");
    init_best_video_codec(sh_video, video_codec_list, video_fm_list);
    mp_msg(MSGT_CPLAYER, MSGL_INFO, "==========================================================================\n");

    if (!sh_video->initialized) {
        if (!opts->fixed_vo)
            uninit_player(mpctx, INITIALIZED_VO);
        goto err_out;
    }

    mpctx->initialized_flags |= INITIALIZED_VCODEC;

    if (sh_video->codec)
        mp_msg(MSGT_IDENTIFY, MSGL_INFO,
               "ID_VIDEO_CODEC=%s\n", sh_video->codec->name);

    sh_video->last_pts = MP_NOPTS_VALUE;
    sh_video->num_buffered_pts = 0;
    sh_video->next_frame_time = 0;

    if (opts->auto_quality > 0) {
        // Auto quality option enabled
        output_quality = get_video_quality_max(sh_video);
        if (opts->auto_quality > output_quality)
            opts->auto_quality = output_quality;
        else
            output_quality = opts->auto_quality;
        mp_msg(MSGT_CPLAYER, MSGL_V,
               "AutoQ: setting quality to %d.\n", output_quality);
        set_video_quality(sh_video, output_quality);
    }

    // ========== Init display (sh_video->disp_w*sh_video->disp_h/out_fmt) ============

    current_module = "init_vo";

    return 1;

err_out:
    mpctx->sh_video = mpctx->d_video->sh = NULL;
    return 0;
}

static double update_video_nocorrect_pts(struct MPContext *mpctx)
{
    struct sh_video *sh_video = mpctx->sh_video;
    double frame_time = 0;
    struct vo *video_out = mpctx->video_out;
    while (1) {
        current_module = "filter_video";
        // In nocorrect-pts mode there is no way to properly time these frames
        if (vo_get_buffered_frame(video_out, 0) >= 0)
            break;
        if (vf_output_queued_frame(sh_video->vfilter))
            break;
        unsigned char *packet = NULL;
        frame_time = sh_video->next_frame_time;
        if (mpctx->restart_playback)
            frame_time = 0;
        int in_size = 0;
        while (!in_size)
            in_size = video_read_frame(sh_video, &sh_video->next_frame_time,
                                       &packet, force_fps);
        if (in_size < 0) {
#ifdef CONFIG_DVDNAV
            if (mpctx->stream->type == STREAMTYPE_DVDNAV) {
                if (mp_dvdnav_is_eof(mpctx->stream))
                    return -1;
                if (mpctx->d_video)
                    mpctx->d_video->eof = 0;
                if (mpctx->d_audio)
                    mpctx->d_audio->eof = 0;
                mpctx->stream->eof = 0;
            } else
#endif
            return -1;
        }
        if (in_size > max_framesize)
            max_framesize = in_size;
        sh_video->timer += frame_time;
        if (mpctx->sh_audio)
            mpctx->delay -= frame_time;
        // video_read_frame can change fps (e.g. for ASF video)
        vo_fps = sh_video->fps;
        int framedrop_type = check_framedrop(mpctx, frame_time);
        current_module = "decode video";

        void *decoded_frame;
#ifdef CONFIG_DVDNAV
        decoded_frame = mp_dvdnav_restore_smpi(mpctx, &in_size, &packet, NULL);
        if (in_size >= 0 && !decoded_frame)
#endif
        decoded_frame = decode_video(sh_video, NULL, packet, in_size,
                                     framedrop_type, sh_video->pts);
#ifdef CONFIG_DVDNAV
        // Save last still frame for future display
        mp_dvdnav_save_smpi(mpctx, in_size, packet, decoded_frame);
#endif
        if (decoded_frame) {
            current_module = "filter video";
            filter_video(sh_video, decoded_frame, sh_video->pts);
        }
        break;
    }
    return frame_time;
}

static void determine_frame_pts(struct MPContext *mpctx)
{
    struct sh_video *sh_video = mpctx->sh_video;
    struct MPOpts *opts = &mpctx->opts;

    if (opts->user_pts_assoc_mode)
        sh_video->pts_assoc_mode = opts->user_pts_assoc_mode;
    else if (sh_video->pts_assoc_mode == 0) {
        if (mpctx->d_video->demuxer->timestamp_type == TIMESTAMP_TYPE_PTS
            && sh_video->codec_reordered_pts != MP_NOPTS_VALUE)
            sh_video->pts_assoc_mode = 1;
        else
            sh_video->pts_assoc_mode = 2;
    } else {
        int probcount1 = sh_video->num_reordered_pts_problems;
        int probcount2 = sh_video->num_sorted_pts_problems;
        if (sh_video->pts_assoc_mode == 2) {
            int tmp = probcount1;
            probcount1 = probcount2;
            probcount2 = tmp;
        }
        if (probcount1 >= probcount2 * 1.5 + 2) {
            sh_video->pts_assoc_mode = 3 - sh_video->pts_assoc_mode;
            mp_msg(MSGT_CPLAYER, MSGL_V, "Switching to pts association mode "
                   "%d.\n", sh_video->pts_assoc_mode);
        }
    }
    sh_video->pts = sh_video->pts_assoc_mode == 1 ?
                    sh_video->codec_reordered_pts : sh_video->sorted_pts;
}

static double update_video(struct MPContext *mpctx)
{
    struct sh_video *sh_video = mpctx->sh_video;
    struct vo *video_out = mpctx->video_out;
    sh_video->vfilter->control(sh_video->vfilter, VFCTRL_SET_OSD_OBJ,
                               mpctx->osd); // hack for vf_expand
    if (!mpctx->opts.correct_pts)
        return update_video_nocorrect_pts(mpctx);

    double pts;

    while (1) {
        current_module = "filter_video";
        if (vo_get_buffered_frame(video_out, false) >= 0)
            break;
        // XXX Time used in this call is not counted in any performance
        // timer now
        if (vf_output_queued_frame(sh_video->vfilter))
            break;
        int in_size = 0;
        unsigned char *buf = NULL;
        pts = MP_NOPTS_VALUE;
        struct demux_packet *pkt;
        while (1) {
            pkt = ds_get_packet2(mpctx->d_video, false);
            if (!pkt || pkt->len)
                break;
            /* Packets with size 0 are assumed to not correspond to frames,
             * but to indicate the absence of a frame in formats like AVI
             * that must have packets at fixed timecode intervals. */
        }
        if (pkt) {
            in_size = pkt->len;
            buf = pkt->buffer;
            pts = pkt->pts;
        }
        if (pts != MP_NOPTS_VALUE)
            pts += mpctx->video_offset;
        if (in_size > max_framesize)
            max_framesize = in_size;
        current_module = "decode video";
        if (pts >= mpctx->hrseek_pts - .005)
            mpctx->hrseek_framedrop = false;
        int framedrop_type = mpctx->hrseek_framedrop ? 1 :
                             check_framedrop(mpctx, sh_video->frametime);
        void *decoded_frame = decode_video(sh_video, pkt, buf, in_size,
                                           framedrop_type, pts);
        if (decoded_frame) {
            determine_frame_pts(mpctx);
            current_module = "filter video";
            filter_video(sh_video, decoded_frame, sh_video->pts);
        } else if (!pkt) {
            if (vo_get_buffered_frame(video_out, true) < 0)
                return -1;
        }
        break;
    }

    if (!video_out->frame_loaded)
        return 0;

    pts = video_out->next_pts;
    if (pts == MP_NOPTS_VALUE) {
        mp_msg(MSGT_CPLAYER, MSGL_ERR, "Video pts after filters MISSING\n");
        // Try to use decoder pts from before filters
        pts = sh_video->pts;
        if (pts == MP_NOPTS_VALUE)
            pts = sh_video->last_pts;
    }
    if (mpctx->hrseek_active && pts < mpctx->hrseek_pts - .005) {
        vo_skip_frame(video_out);
        return 0;
    }
    mpctx->hrseek_active = false;
    sh_video->pts = pts;
    if (sh_video->last_pts == MP_NOPTS_VALUE)
        sh_video->last_pts = sh_video->pts;
    else if (sh_video->last_pts > sh_video->pts) {
        mp_msg(MSGT_CPLAYER, MSGL_INFO, "Decreasing video pts: %f < %f\n",
               sh_video->pts, sh_video->last_pts);
        /* If the difference in pts is small treat it as jitter around the
         * right value (possibly caused by incorrect timestamp ordering) and
         * just show this frame immediately after the last one.
         * Treat bigger differences as timestamp resets and start counting
         * timing of later frames from the position of this one. */
        if (sh_video->last_pts - sh_video->pts > 0.5)
            sh_video->last_pts = sh_video->pts;
        else
            sh_video->pts = sh_video->last_pts;
    }
    double frame_time = sh_video->pts - sh_video->last_pts;
    sh_video->last_pts = sh_video->pts;
    sh_video->timer += frame_time;
    if (mpctx->sh_audio)
        mpctx->delay -= frame_time;
    return frame_time;
}

static int get_cache_fill(struct MPContext *mpctx)
{
#ifdef CONFIG_STREAM_CACHE
    if (stream_cache_size > 0)
        return cache_fill_status(mpctx->stream);
#endif
    return -1;
}

static void update_pause_message(struct MPContext *mpctx)
{
    struct MPOpts *opts = &mpctx->opts;

    if (opts->quiet)
        return;

    int cache_fill = get_cache_fill(mpctx);
    bool cache_changed = cache_fill != mpctx->paused_cache_fill;

    if (!mpctx->status_printed && !cache_changed)
        return;

    char *msg = mp_gtext("  =====  PAUSE  =====");
    char *tmpmem = NULL;
    if (cache_fill >= 0)
        msg = tmpmem = talloc_asprintf(NULL, "%s %d%%", msg, cache_fill);

    if (opts->term_osd && !mpctx->sh_video) {
        set_osd_msg(OSD_MSG_PAUSE, 1, 0, "%s", msg);
        update_osd_msg(mpctx);
    } else {
        if (mpctx->status_printed)
            mp_msg(MSGT_CPLAYER, MSGL_STATUS, "\n");
        mp_msg(MSGT_CPLAYER, MSGL_STATUS, "%s\r", msg);
    }

    mpctx->paused_cache_fill = cache_fill;
    mpctx->status_printed = false;

    talloc_free(tmpmem);
}

void pause_player(struct MPContext *mpctx)
{
    if (mpctx->paused)
        return;
    mpctx->paused = 1;
    mpctx->step_frames = 0;
    mpctx->time_frame -= get_relative_time(mpctx);
    mpctx->osd_function = OSD_PAUSE;

    if (mpctx->video_out && mpctx->sh_video && mpctx->video_out->config_ok)
        vo_control(mpctx->video_out, VOCTRL_PAUSE, NULL);

    if (mpctx->ao && mpctx->sh_audio)
        ao_pause(mpctx->ao);    // pause audio, keep data if possible

    mpctx->paused_cache_fill = get_cache_fill(mpctx);
    mpctx->status_printed = true;
    update_pause_message(mpctx);

    if (!mpctx->opts.quiet)
        mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_PAUSED\n");
}

void unpause_player(struct MPContext *mpctx)
{
    if (!mpctx->paused)
        return;
    mpctx->paused = 0;
    if (!mpctx->step_frames)
        mpctx->osd_function = OSD_PLAY;

    if (mpctx->ao && mpctx->sh_audio)
        ao_resume(mpctx->ao);
    if (mpctx->video_out && mpctx->sh_video && mpctx->video_out->config_ok
        && !mpctx->step_frames)
        vo_control(mpctx->video_out, VOCTRL_RESUME, NULL);      // resume video
    (void)get_relative_time(mpctx);     // ignore time that passed during pause
}

static int redraw_osd(struct MPContext *mpctx)
{
    struct sh_video *sh_video = mpctx->sh_video;
    struct vf_instance *vf = sh_video->vfilter;
    if (sh_video->output_flags & VFCAP_OSD_FILTER)
        return -1;
    if (vo_redraw_frame(mpctx->video_out) < 0)
        return -1;
    mpctx->osd->pts = mpctx->video_pts;
    if (!(sh_video->output_flags & VFCAP_EOSD_FILTER))
        vf->control(vf, VFCTRL_DRAW_EOSD, mpctx->osd);
    vf->control(vf, VFCTRL_DRAW_OSD, mpctx->osd);
    vo_flip_page(mpctx->video_out, 0, -1);
    return 0;
}

void add_step_frame(struct MPContext *mpctx)
{
    mpctx->step_frames++;
    if (mpctx->video_out && mpctx->sh_video && mpctx->video_out->config_ok)
        vo_control(mpctx->video_out, VOCTRL_PAUSE, NULL);
    unpause_player(mpctx);
}

static void pause_loop(struct MPContext *mpctx)
{
    mp_cmd_t *cmd;

    update_pause_message(mpctx);

    while ((cmd = mp_input_get_cmd(mpctx->input, 20, 1)) == NULL
           || cmd->id == MP_CMD_SET_MOUSE_POS || cmd->pausing == 4) {
        if (cmd) {
            cmd = mp_input_get_cmd(mpctx->input, 0, 0);
            run_command(mpctx, cmd);
            mp_cmd_free(cmd);
            continue;
        }
        if (mpctx->sh_video && mpctx->video_out)
            vo_check_events(mpctx->video_out);
        update_osd_msg(mpctx);
        int hack = vo_osd_changed(0);
        vo_osd_changed(hack);
        if (hack || mpctx->sh_video && mpctx->video_out->want_redraw)
            break;
        update_pause_message(mpctx);
    }
}


// Find the right mute status and record position for new file position
static void edl_seek_reset(MPContext *mpctx)
{
    mpctx->edl_muted = 0;
    next_edl_record = edl_records;

    while (next_edl_record) {
        if (next_edl_record->start_sec >= get_current_time(mpctx))
            break;

        if (next_edl_record->action == EDL_MUTE)
            mpctx->edl_muted = !mpctx->edl_muted;
        next_edl_record = next_edl_record->next;
    }
    if ((mpctx->user_muted | mpctx->edl_muted) != mpctx->mixer.muted)
        mixer_mute(&mpctx->mixer);
}


// Execute EDL command for the current position if one exists
static void edl_update(MPContext *mpctx)
{
    if (!next_edl_record)
        return;

    if (!mpctx->sh_video) {
        mp_tmsg(MSGT_CPLAYER, MSGL_ERR,
                "Cannot use EDL without video, disabling.\n");
        free_edl(edl_records);
        next_edl_record = NULL;
        edl_records = NULL;
        return;
    }

    if (get_current_time(mpctx) >= next_edl_record->start_sec) {
        if (next_edl_record->action == EDL_SKIP) {
            mpctx->osd_function = OSD_FFW;
            queue_seek(mpctx, MPSEEK_RELATIVE, next_edl_record->length_sec, 0);
            mp_msg(MSGT_CPLAYER, MSGL_DBG4, "EDL_SKIP: start [%f], stop "
                   "[%f], length [%f]\n", next_edl_record->start_sec,
                   next_edl_record->stop_sec, next_edl_record->length_sec);
        } else if (next_edl_record->action == EDL_MUTE) {
            mpctx->edl_muted = !mpctx->edl_muted;
            if ((mpctx->user_muted | mpctx->edl_muted) != mpctx->mixer.muted)
                mixer_mute(&mpctx->mixer);
            mp_msg(MSGT_CPLAYER, MSGL_DBG4, "EDL_MUTE: [%f]\n",
                   next_edl_record->start_sec);
        }
        next_edl_record = next_edl_record->next;
    }
}

static void reinit_decoders(struct MPContext *mpctx)
{
    reinit_video_chain(mpctx);
    reinit_audio_chain(mpctx);
    mp_property_do("sub", M_PROPERTY_SET, &(int){mpctx->global_sub_pos}, mpctx);
}

static void seek_reset(struct MPContext *mpctx, bool reset_ao)
{
    if (mpctx->sh_video) {
        current_module = "seek_video_reset";
        resync_video_stream(mpctx->sh_video);
        mpctx->sh_video->timer = 0;
        vo_seek_reset(mpctx->video_out);
        mpctx->sh_video->timer = 0;
        mpctx->sh_video->num_buffered_pts = 0;
        mpctx->sh_video->last_pts = MP_NOPTS_VALUE;
        mpctx->delay = 0;
        mpctx->time_frame = 0;
        mpctx->restart_playback = true;
        // Not all demuxers set d_video->pts during seek, so this value
        // (which is used by at least vobsub and edl code below) may
        // be completely wrong (probably 0).
        mpctx->sh_video->pts = mpctx->d_video->pts + mpctx->video_offset;
        mpctx->video_pts = mpctx->sh_video->pts;
        update_subtitles(mpctx, mpctx->sh_video->pts, mpctx->video_offset,
                         true);
        update_teletext(mpctx->sh_video, mpctx->demuxer, 1);
    }

    if (mpctx->sh_audio) {
        current_module = "seek_audio_reset";
        resync_audio_stream(mpctx->sh_audio);
        if (reset_ao)
            ao_reset(mpctx->ao);
        mpctx->ao->buffer.len = mpctx->ao->buffer_playable_size;
        mpctx->sh_audio->a_buffer_len = 0;
        if (!mpctx->sh_video)
            update_subtitles(mpctx, mpctx->sh_audio->pts,
                             mpctx->video_offset, true);
    }

    if (vo_vobsub && mpctx->sh_video) {
        current_module = "seek_vobsub_reset";
        vobsub_seek(vo_vobsub, mpctx->sh_video->pts);
    }

    edl_seek_reset(mpctx);

    mpctx->hrseek_active = false;
    mpctx->hrseek_framedrop = false;
    mpctx->total_avsync_change = 0;
    audio_time_usage = 0;
    video_time_usage = 0;
    vout_time_usage = 0;
    drop_frame_cnt = 0;

    current_module = NULL;
}

static bool timeline_set_part(struct MPContext *mpctx, int i)
{
    struct timeline_part *p = mpctx->timeline + mpctx->timeline_part;
    struct timeline_part *n = mpctx->timeline + i;
    mpctx->timeline_part = i;
    mpctx->video_offset = n->start - n->source_start;
    if (n->source == p->source)
        return false;
    enum stop_play_reason orig_stop_play = mpctx->stop_play;
    if (!mpctx->sh_video && mpctx->stop_play == KEEP_PLAYING)
        mpctx->stop_play = AT_END_OF_FILE;  // let audio uninit drain data
    uninit_player(mpctx, INITIALIZED_VCODEC | (mpctx->opts.fixed_vo ? 0 : INITIALIZED_VO) | (mpctx->opts.gapless_audio ? 0 : INITIALIZED_AO) | INITIALIZED_ACODEC | INITIALIZED_SUB);
    mpctx->stop_play = orig_stop_play;
    mpctx->demuxer = n->source->demuxer;
    mpctx->d_video = mpctx->demuxer->video;
    mpctx->d_audio = mpctx->demuxer->audio;
    mpctx->d_sub = mpctx->demuxer->sub;
    mpctx->sh_video = mpctx->d_video->sh;
    mpctx->sh_audio = mpctx->d_audio->sh;
    return true;
}

// Given pts, switch playback to the corresponding part.
// Return offset within that part.
static double timeline_set_from_time(struct MPContext *mpctx, double pts,
                                     bool *need_reset)
{
    if (pts < 0)
        pts = 0;
    for (int i = 0; i < mpctx->num_timeline_parts; i++) {
        struct timeline_part *p = mpctx->timeline + i;
        if (pts < (p + 1)->start) {
            *need_reset = timeline_set_part(mpctx, i);
            return pts - p->start + p->source_start;
        }
    }
    return -1;
}


// return -1 if seek failed (non-seekable stream?), 0 otherwise
static int seek(MPContext *mpctx, struct seek_params seek,
                bool timeline_fallthrough)
{
    struct MPOpts *opts = &mpctx->opts;

    current_module = "seek";
    if (mpctx->stop_play == AT_END_OF_FILE)
        mpctx->stop_play = KEEP_PLAYING;
    bool hr_seek = mpctx->demuxer->accurate_seek && opts->correct_pts;
    hr_seek &= seek.exact >= 0 && seek.type != MPSEEK_FACTOR;
    hr_seek &= opts->hr_seek == 0 && seek.type == MPSEEK_ABSOLUTE
               || opts->hr_seek > 0 || seek.exact > 0;
    if (seek.type == MPSEEK_FACTOR
        || seek.type == MPSEEK_ABSOLUTE
        && seek.amount < mpctx->last_chapter_pts
        || seek.amount < 0)
        mpctx->last_chapter_seek = -2;
    if (mpctx->timeline && seek.type == MPSEEK_FACTOR) {
        seek.amount *= mpctx->timeline[mpctx->num_timeline_parts].start;
        seek.type = MPSEEK_ABSOLUTE;
    }
    if ((mpctx->demuxer->accurate_seek || mpctx->timeline)
        && seek.type == MPSEEK_RELATIVE) {
        seek.type = MPSEEK_ABSOLUTE;
        seek.direction = seek.amount > 0 ? 1 : -1;
        seek.amount += get_current_time(mpctx);
    }

    /* At least the liba52 decoder wants to read from the input stream
     * during initialization, so reinit must be done after the demux_seek()
     * call that clears possible stream EOF. */
    bool need_reset = false;
    double demuxer_amount = seek.amount;
    if (mpctx->timeline) {
        demuxer_amount = timeline_set_from_time(mpctx, seek.amount,
                                                &need_reset);
        if (demuxer_amount == -1) {
            mpctx->stop_play = AT_END_OF_FILE;
            // Clear audio from current position
            if (mpctx->sh_audio) {
                ao_reset(mpctx->ao);
                mpctx->sh_audio->a_buffer_len = 0;
            }
            return -1;
        }
    }
    int demuxer_style = 0;
    switch (seek.type) {
    case MPSEEK_FACTOR:
        demuxer_style |= SEEK_FACTOR; // fallthrough
    case MPSEEK_ABSOLUTE:
        demuxer_style |= SEEK_ABSOLUTE;
    }
    if (hr_seek || seek.direction < 0)
        demuxer_style |= SEEK_BACKWARD;
    else if (seek.direction > 0)
        demuxer_style |= SEEK_FORWARD;

    if (hr_seek)
        demuxer_amount -= opts->hr_seek_demuxer_offset;
    int seekresult = demux_seek(mpctx->demuxer, demuxer_amount, audio_delay,
                                demuxer_style);
    if (need_reset)
        reinit_decoders(mpctx);
    if (seekresult == 0)
        return -1;

    seek_reset(mpctx, !timeline_fallthrough);

    /* Use the target time as "current position" for further relative
     * seeks etc until a new video frame has been decoded */
    if (seek.type == MPSEEK_ABSOLUTE) {
        mpctx->video_pts = seek.amount;
        mpctx->last_seek_pts = seek.amount;
    } else
        mpctx->last_seek_pts = MP_NOPTS_VALUE;

    if (hr_seek) {
        mpctx->hrseek_active = true;
        mpctx->hrseek_framedrop = true;
        mpctx->hrseek_pts = seek.amount;
    }

    mpctx->start_timestamp = GetTimerMS();

    return 0;
}

void queue_seek(struct MPContext *mpctx, enum seek_type type, double amount,
                int exact)
{
    struct seek_params *seek = &mpctx->seek;
    switch (type) {
    case MPSEEK_RELATIVE:
        if (seek->type == MPSEEK_FACTOR)
            return;  // Well... not common enough to bother doing better
        seek->amount += amount;
        seek->exact = FFMAX(seek->exact, exact);
        if (seek->type == MPSEEK_NONE)
            seek->exact = exact;
        if (seek->type == MPSEEK_ABSOLUTE)
            return;
        if (seek->amount == 0) {
            *seek = (struct seek_params){ 0 };
            return;
        }
        seek->type = MPSEEK_RELATIVE;
        return;
    case MPSEEK_ABSOLUTE:
    case MPSEEK_FACTOR:
        *seek = (struct seek_params) {
            .type = type,
            .amount = amount,
            .exact = exact,
        };
        return;
    case MPSEEK_NONE:
        *seek = (struct seek_params){ 0 };
        return;
    }
    abort();
}


double get_time_length(struct MPContext *mpctx)
{
    if (mpctx->timeline)
        return mpctx->timeline[mpctx->num_timeline_parts].start;

    struct demuxer *demuxer = mpctx->demuxer;
    double get_time_ans;
    // <= 0 means DEMUXER_CTRL_NOTIMPL or DEMUXER_CTRL_DONTKNOW
    if (demux_control(demuxer, DEMUXER_CTRL_GET_TIME_LENGTH,
                      (void *) &get_time_ans) > 0)
        return get_time_ans;

    struct sh_video *sh_video = mpctx->d_video->sh;
    struct sh_audio *sh_audio = mpctx->d_audio->sh;
    if (sh_video && sh_video->i_bps && sh_audio && sh_audio->i_bps)
        return (double) (demuxer->movi_end - demuxer->movi_start) /
               (sh_video->i_bps + sh_audio->i_bps);
    if (sh_video && sh_video->i_bps)
        return (double) (demuxer->movi_end - demuxer->movi_start) /
               sh_video->i_bps;
    if (sh_audio && sh_audio->i_bps)
        return (double) (demuxer->movi_end - demuxer->movi_start) /
               sh_audio->i_bps;
    return 0;
}

/* If there are timestamps from stream level then use those (for example
 * DVDs can have consistent times there while the MPEG-level timestamps
 * reset). */
double get_current_time(struct MPContext *mpctx)
{
    struct demuxer *demuxer = mpctx->demuxer;
    if (demuxer->stream_pts != MP_NOPTS_VALUE)
        return demuxer->stream_pts;
    struct sh_video *sh_video = demuxer->video->sh;
    if (sh_video)
        return mpctx->video_pts;
    double apts = playing_audio_pts(mpctx);
    if (apts != MP_NOPTS_VALUE)
        return apts;
    return mpctx->last_seek_pts;
}

int get_percent_pos(struct MPContext *mpctx)
{
    struct demuxer *demuxer = mpctx->demuxer;
    int ans = 0;
    if (mpctx->timeline)
        ans = get_current_time(mpctx) * 100 /
              mpctx->timeline[mpctx->num_timeline_parts].start;
    else if (demux_control(demuxer, DEMUXER_CTRL_GET_PERCENT_POS, &ans) > 0)
        ;
    else {
        int len = (demuxer->movi_end - demuxer->movi_start) / 100;
        off_t pos = demuxer->filepos > 0 ?
                    demuxer->filepos : stream_tell(demuxer->stream);
        if (len > 0)
            ans = (pos - demuxer->movi_start) / len;
        else
            ans = 0;
    }
    if (ans < 0)
        ans = 0;
    if (ans > 100)
        ans = 100;
    return ans;
}

// -2 is no chapters, -1 is before first chapter
int get_current_chapter(struct MPContext *mpctx)
{
    double current_pts = get_current_time(mpctx);
    if (!mpctx->chapters)
        return FFMAX(mpctx->last_chapter_seek,
                     demuxer_get_current_chapter(mpctx->demuxer, current_pts));

    int i;
    for (i = 1; i < mpctx->num_chapters; i++)
        if (current_pts < mpctx->chapters[i].start)
            break;
    return FFMAX(mpctx->last_chapter_seek, i - 1);
}

char *chapter_display_name(struct MPContext *mpctx, int chapter)
{
    char *name = chapter_name(mpctx, chapter);
    if (name) {
        name = talloc_asprintf(name, "(%d) %s", chapter + 1, name);
    } else {
        int chapter_count = get_chapter_count(mpctx);
        if (chapter_count <= 0)
            name = talloc_asprintf(NULL, "(%d)", chapter + 1);
        else
            name = talloc_asprintf(NULL, "(%d) of %d", chapter + 1,
                                   chapter_count);
    }
    return name;
}

// returns NULL if chapter name unavailable
char *chapter_name(struct MPContext *mpctx, int chapter)
{
    if (!mpctx->chapters)
        return demuxer_chapter_name(mpctx->demuxer, chapter);
    return talloc_strdup(NULL, mpctx->chapters[chapter].name);
}

// returns the start of the chapter in seconds
double chapter_start_time(struct MPContext *mpctx, int chapter)
{
    if (!mpctx->chapters)
        return demuxer_chapter_time(mpctx->demuxer, chapter, NULL);
    return mpctx->chapters[chapter].start;
}

int get_chapter_count(struct MPContext *mpctx)
{
    if (!mpctx->chapters)
        return demuxer_chapter_count(mpctx->demuxer);
    return mpctx->num_chapters;
}

int seek_chapter(struct MPContext *mpctx, int chapter, double *seek_pts)
{
    mpctx->last_chapter_seek = -2;
    if (!mpctx->chapters) {
        int res = demuxer_seek_chapter(mpctx->demuxer, chapter, seek_pts);
        if (res >= 0) {
            if (*seek_pts == -1)
                seek_reset(mpctx, true);
            else {
                mpctx->last_chapter_seek = res;
                mpctx->last_chapter_pts = *seek_pts;
            }
        }
        return res;
    }

    if (chapter >= mpctx->num_chapters)
        return -1;
    if (chapter < 0)
        chapter = 0;
    *seek_pts = mpctx->chapters[chapter].start;
    mpctx->last_chapter_seek = chapter;
    mpctx->last_chapter_pts = *seek_pts;
    return chapter;
}


static void run_playloop(struct MPContext *mpctx)
{
    struct MPOpts *opts = &mpctx->opts;
    float aq_sleep_time = 0;
    bool full_audio_buffers = false;

    if (opts->chapterrange[1] > 0) {
        int cur_chapter = get_current_chapter(mpctx);
        if (cur_chapter != -1 && cur_chapter + 1 > opts->chapterrange[1])
            mpctx->stop_play = PT_NEXT_ENTRY;
    }

    if (!mpctx->sh_audio && mpctx->d_audio->sh) {
        mpctx->sh_audio = mpctx->d_audio->sh;
        mpctx->sh_audio->ds = mpctx->d_audio;
        reinit_audio_chain(mpctx);
    }

    /*========================== PLAY AUDIO ============================*/

    if (!mpctx->sh_video)
        mpctx->restart_playback = false;

    if (mpctx->sh_audio && !mpctx->restart_playback) {
        int status = fill_audio_out_buffers(mpctx);
        full_audio_buffers = status >= 0 && !mpctx->ao->untimed;
        if (status == -2)
            // at eof, all audio at least written to ao
            if (!mpctx->sh_video)
                mpctx->stop_play = AT_END_OF_FILE;
    }


    if (!mpctx->sh_video) {
        if (mpctx->step_frames) {
            mpctx->step_frames = 0;
            pause_player(mpctx);
        }
        // handle audio-only case:
        double a_pos = 0, a_buf = 0;
        // sh_audio can be NULL due to video stream switching
        // TODO: handle this better
        if (mpctx->sh_audio) {
            a_buf = ao_get_delay(mpctx->ao);
            a_pos = written_audio_pts(mpctx) - mpctx->opts.playback_speed *
                    a_buf;
        }

        print_status(mpctx, a_pos, false);

        update_subtitles(mpctx, a_pos, mpctx->video_offset, false);
        update_osd_msg(mpctx);
        if (end_at.type == END_AT_TIME && end_at.pos < a_pos)
            mpctx->stop_play = AT_END_OF_FILE;
        else if (mpctx->timeline && mpctx->stop_play == AT_END_OF_FILE
                 && mpctx->timeline_part + 1 < mpctx->num_timeline_parts
                 && mpctx->sh_audio) {
            struct timeline_part *p = mpctx->timeline + mpctx->timeline_part;
            if (!opts->gapless_audio && p->source != (p + 1)->source
                && a_buf > 0.05) {
                mpctx->stop_play = KEEP_PLAYING;
                mp_input_get_cmd(mpctx->input, (a_buf - .05) * 1000, true);
            } else {
                seek(mpctx, (struct seek_params){ .type = MPSEEK_ABSOLUTE,
                                                  .amount = (p + 1)->start },
                     true);
            }
        } else if (!mpctx->stop_play) {
            int sleep_time = 100;
            if (mpctx->sh_audio) {
                if (mpctx->ao->untimed)
                    sleep_time = 0;
                else if (full_audio_buffers)
                    sleep_time = FFMAX(20, a_buf * 1000 - 50);
                else
                    sleep_time = 20;
                sleep_time = FFMIN(sleep_time, 100);
            }
            mp_input_get_cmd(mpctx->input, sleep_time, true);
        }
    } else {

        /*========================== PLAY VIDEO ============================*/

        vo_pts = mpctx->sh_video->timer * 90000.0;
        vo_fps = mpctx->sh_video->fps;

        bool blit_frame = mpctx->video_out->frame_loaded;
        if (!blit_frame) {
            double frame_time = update_video(mpctx);
            blit_frame = mpctx->video_out->frame_loaded;
            mp_dbg(MSGT_AVSYNC, MSGL_DBG2, "*** ftime=%5.3f ***\n", frame_time);
            if (mpctx->sh_video->vf_initialized < 0) {
                mp_tmsg(MSGT_CPLAYER, MSGL_FATAL,
                        "\nFATAL: Could not initialize video filters (-vf) "
                        "or video output (-vo).\n");
                mpctx->stop_play = PT_NEXT_ENTRY;
                return;
            }
            if (frame_time < 0)
                mpctx->stop_play = AT_END_OF_FILE;
            else if (!mpctx->restart_playback) {
                mpctx->time_frame += frame_time / opts->playback_speed;
                adjust_sync(mpctx, frame_time);
            }
        }
        if (mpctx->timeline) {
            struct timeline_part *next =
                mpctx->timeline + mpctx->timeline_part + 1;
            if (mpctx->sh_video->pts >= next->start
                || mpctx->stop_play == AT_END_OF_FILE
                && mpctx->timeline_part + 1 < mpctx->num_timeline_parts) {
                seek(mpctx, (struct seek_params){ .type = MPSEEK_ABSOLUTE,
                                                  .amount = next->start },
                     true);
                return;
            }
        }

        // ================================================================

        current_module = "vo_check_events";
        vo_check_events(mpctx->video_out);

#ifdef CONFIG_X11
        if (stop_xscreensaver) {
            current_module = "stop_xscreensaver";
            xscreensaver_heartbeat(mpctx->x11_state);
        }
#endif
        if (heartbeat_cmd) {
            static unsigned last_heartbeat;
            unsigned now = GetTimerMS();
            if (now - last_heartbeat > 30000) {
                last_heartbeat = now;
                system(heartbeat_cmd);
            }
        }

        bool frame_time_remaining = sleep_until_near_frame(mpctx,
                                                           &mpctx->time_frame,
                                                           full_audio_buffers,
                                                           &aq_sleep_time);

        //=================== FLIP PAGE (VIDEO BLT): ======================

        current_module = "flip_page";
        if (!frame_time_remaining && blit_frame) {
            vo_new_frame_imminent(mpctx->video_out);
            struct sh_video *sh_video = mpctx->sh_video;
            mpctx->video_pts = sh_video->pts;
            update_subtitles(mpctx, sh_video->pts, mpctx->video_offset, false);
            update_teletext(sh_video, mpctx->demuxer, 0);
            update_osd_msg(mpctx);
            struct vf_instance *vf = sh_video->vfilter;
            mpctx->osd->pts = mpctx->video_pts;
            vf->control(vf, VFCTRL_DRAW_EOSD, mpctx->osd);
            vf->control(vf, VFCTRL_DRAW_OSD, mpctx->osd);
            vo_osd_changed(0);

            mpctx->time_frame -= mpctx->video_out->flip_queue_offset;
            aq_sleep_time += mpctx->time_frame;
            // flag 256 means: libvo driver does its timing (dvb card)
            if (mpctx->time_frame > 0.001
                && !(mpctx->sh_video->output_flags & VFCAP_TIMER))
                mpctx->time_frame = timing_sleep(mpctx, mpctx->time_frame);
            mpctx->time_frame += mpctx->video_out->flip_queue_offset;

            unsigned int t2 = GetTimer();
            /* Playing with playback speed it's possible to get pathological
             * cases with mpctx->time_frame negative enough to cause an
             * overflow in pts_us calculation, thus the FFMAX. */
            double time_frame = FFMAX(mpctx->time_frame, -1);
            unsigned int pts_us = mpctx->last_time + time_frame * 1e6;
            int duration = -1;
            double pts2 = mpctx->video_out->next_pts2;
            if (pts2 != MP_NOPTS_VALUE && opts->correct_pts
                && !mpctx->restart_playback) {
                // expected A/V sync correction is ignored
                double diff = (pts2 - mpctx->video_pts);
                diff /= opts->playback_speed;
                if (mpctx->time_frame < 0)
                    diff += mpctx->time_frame;
                if (diff < 0)
                    diff = 0;
                if (diff > 10)
                    diff = 10;
                duration = diff * 1e6;
            }
            vo_flip_page(mpctx->video_out, pts_us | 1, duration);

            mpctx->last_vo_flip_duration = (GetTimer() - t2) * 0.000001;
            vout_time_usage += mpctx->last_vo_flip_duration;
            if (mpctx->video_out->driver->flip_page_timed) {
                // No need to adjust sync based on flip speed
                mpctx->last_vo_flip_duration = 0;
                // For print_status - VO call finishing early is OK for sync
                mpctx->time_frame -= get_relative_time(mpctx);
            }
            if (mpctx->restart_playback) {
                mpctx->syncing_audio = true;
                if (mpctx->sh_audio)
                    fill_audio_out_buffers(mpctx);
                mpctx->restart_playback = false;
                mpctx->time_frame = 0;
                get_relative_time(mpctx);
            }
            print_status(mpctx, MP_NOPTS_VALUE, true);
            screenshot_flip(mpctx);
        } else
            print_status(mpctx, MP_NOPTS_VALUE, false);

        if (opts->auto_quality > 0) {
            current_module = "autoq";
            if (output_quality < opts->auto_quality && aq_sleep_time > 0)
                ++output_quality;
            else if (output_quality > 1 && aq_sleep_time < 0)
                --output_quality;
            else if (output_quality > 0 && aq_sleep_time < -0.050f) // 50ms
                output_quality = 0;
            set_video_quality(mpctx->sh_video, output_quality);
        }

        if (!frame_time_remaining && blit_frame) {
            if (play_n_frames >= 0) {
                --play_n_frames;
                if (play_n_frames <= 0)
                    mpctx->stop_play = PT_NEXT_ENTRY;
            }
            if (mpctx->step_frames > 0) {
                mpctx->step_frames--;
                if (mpctx->step_frames == 0)
                    pause_player(mpctx);
            }
        }

        // FIXME: add size based support for -endpos
        if (end_at.type == END_AT_TIME &&
            !frame_time_remaining && end_at.pos <= mpctx->sh_video->pts)
            mpctx->stop_play = PT_NEXT_ENTRY;

    } // end if(mpctx->sh_video)

#ifdef CONFIG_DVDNAV
    if (mpctx->stream->type == STREAMTYPE_DVDNAV) {
        nav_highlight_t hl;
        mp_dvdnav_get_highlight(mpctx->stream, &hl);
        if (!vo_spudec || !spudec_apply_palette_crop(vo_spudec, hl.palette, hl.sx, hl.sy, hl.ex, hl.ey)) {
            osd_set_nav_box(hl.sx, hl.sy, hl.ex, hl.ey);
            vo_osd_changed(OSDTYPE_DVDNAV);
        } else {
            osd_set_nav_box(0, 0, 0, 0);
            vo_osd_changed(OSDTYPE_DVDNAV);
            vo_osd_changed(OSDTYPE_SPU);
        }

        if (mp_dvdnav_stream_has_changed(mpctx->stream)) {
            double ar = -1.0;
            if (mpctx->sh_video &&
                stream_control(mpctx->demuxer->stream,
                               STREAM_CTRL_GET_ASPECT_RATIO, &ar)
                != STREAM_UNSUPPORTED)
                mpctx->sh_video->stream_aspect = ar;
        }
    }
#endif

    //================= Keyboard events, SEEKing ====================

    current_module = "key_events";

    while (1) {
        mp_cmd_t *cmd;
        while ((cmd = mp_input_get_cmd(mpctx->input, 0, 1)) != NULL) {
            /* Allow running consecutive seek commands to combine them,
             * but execute the seek before running other commands.
             * If the user seeks continuously (keeps arrow key down)
             * try to finish showing a frame from one location before doing
             * another seek (which could lead to unchanging display). */
            if (mpctx->seek.type && cmd->id != MP_CMD_SEEK
                || mpctx->restart_playback && cmd->id == MP_CMD_SEEK
                && GetTimerMS() - mpctx->start_timestamp < 300)
                break;
            cmd = mp_input_get_cmd(mpctx->input, 0, 0);
            run_command(mpctx, cmd);
            mp_cmd_free(cmd);
            if (mpctx->stop_play)
                break;
        }
        bool slow_video = mpctx->sh_video && mpctx->video_out->frame_loaded;
        if (!(mpctx->paused || slow_video) || mpctx->stop_play
                || mpctx->seek.type || mpctx->restart_playback)
            break;
        if (mpctx->sh_video) {
            update_osd_msg(mpctx);
            int hack = vo_osd_changed(0);
            vo_osd_changed(hack);
            if (hack || mpctx->video_out->want_redraw) {
                if (redraw_osd(mpctx) < 0) {
                    if (mpctx->paused)
                        add_step_frame(mpctx);
                    break;
                } else
                    vo_osd_changed(0);
            }
        }
        if (!mpctx->paused)
            break;
        pause_loop(mpctx);
    }

    // handle -sstep
    if (step_sec > 0 && !mpctx->paused && !mpctx->restart_playback) {
        mpctx->osd_function = OSD_FFW;
        queue_seek(mpctx, MPSEEK_RELATIVE, step_sec, 0);
    }

    edl_update(mpctx);

    /* Looping. */
    if (opts->loop_times >= 0 && (mpctx->stop_play == AT_END_OF_FILE ||
                                  mpctx->stop_play == PT_NEXT_ENTRY)) {
        mp_msg(MSGT_CPLAYER, MSGL_V, "loop_times = %d\n", opts->loop_times);

        if (opts->loop_times > 1)
            opts->loop_times--;
        else if (opts->loop_times == 1)
            opts->loop_times = -1;
        play_n_frames = play_n_frames_mf;
        mpctx->stop_play = 0;
        queue_seek(mpctx, MPSEEK_ABSOLUTE, opts->seek_to_sec, 0);
    }

    if (mpctx->seek.type) {
        seek(mpctx, mpctx->seek, false);
        mpctx->seek = (struct seek_params){ 0 };
    }
}


static int read_keys(void *ctx, int fd)
{
    getch2(ctx);
    return MP_INPUT_NOTHING;
}

static bool attachment_is_font(struct demux_attachment *att)
{
    if (!att->name || !att->type || !att->data || !att->data_size)
        return false;
    // match against MIME types
    if (strcmp(att->type, "application/x-truetype-font") == 0
        || strcmp(att->type, "application/x-font") == 0)
        return true;
    // fallback: match against file extension
    if (strlen(att->name) > 4) {
        char *ext = att->name + strlen(att->name) - 4;
        if (strcasecmp(ext, ".ttf") == 0 || strcasecmp(ext, ".ttc") == 0
            || strcasecmp(ext, ".otf") == 0)
            return true;
    }
    return false;
}

static int select_audio(demuxer_t *demuxer, int audio_id, char **audio_lang)
{
    if (audio_id == -1)
        audio_id = demuxer_audio_track_by_lang_and_default(demuxer, audio_lang);
    if (audio_id != -1) // -1 (automatic) is the default behaviour of demuxers
        demuxer_switch_audio(demuxer, audio_id);
    if (audio_id == -2) { // some demuxers don't yet know how to switch to no sound
        demuxer->audio->id = -2;
        demuxer->audio->sh = NULL;
    }
    return demuxer->audio->id;
}

static void print_version(const char *name)
{
    mp_msg(MSGT_CPLAYER, MSGL_INFO, MP_TITLE, name);

    /* Test for CPU capabilities (and corresponding OS support) for optimizing */
    GetCpuCaps(&gCpuCaps);
#if ARCH_X86
    mp_msg(MSGT_CPLAYER, MSGL_V,
           "CPUflags:  MMX: %d MMX2: %d 3DNow: %d 3DNowExt: %d SSE: %d SSE2: %d SSSE3: %d\n",
           gCpuCaps.hasMMX, gCpuCaps.hasMMX2,
           gCpuCaps.has3DNow, gCpuCaps.has3DNowExt,
           gCpuCaps.hasSSE, gCpuCaps.hasSSE2, gCpuCaps.hasSSSE3);
#if CONFIG_RUNTIME_CPUDETECT
    mp_tmsg(MSGT_CPLAYER, MSGL_V, "Compiled with runtime CPU detection.\n");
#else
    mp_tmsg(MSGT_CPLAYER, MSGL_V, "Compiled for x86 CPU with extensions:");
    if (HAVE_MMX)
        mp_msg(MSGT_CPLAYER, MSGL_V, " MMX");
    if (HAVE_MMX2)
        mp_msg(MSGT_CPLAYER, MSGL_V, " MMX2");
    if (HAVE_AMD3DNOW)
        mp_msg(MSGT_CPLAYER, MSGL_V, " 3DNow");
    if (HAVE_AMD3DNOWEXT)
        mp_msg(MSGT_CPLAYER, MSGL_V, " 3DNowExt");
    if (HAVE_SSE)
        mp_msg(MSGT_CPLAYER, MSGL_V, " SSE");
    if (HAVE_SSE2)
        mp_msg(MSGT_CPLAYER, MSGL_V, " SSE2");
    if (HAVE_SSSE3)
        mp_msg(MSGT_CPLAYER, MSGL_V, " SSSE3");
    if (HAVE_CMOV)
        mp_msg(MSGT_CPLAYER, MSGL_V, " CMOV");
    mp_msg(MSGT_CPLAYER, MSGL_V, "\n");
#endif /* CONFIG_RUNTIME_CPUDETECT */
#endif /* ARCH_X86 */
    print_libav_versions();
}

#ifdef PTW32_STATIC_LIB
static void detach_ptw32(void)
{
    pthread_win32_thread_detach_np();
    pthread_win32_process_detach_np();
}
#endif

/* This preprocessor directive is a hack to generate a mplayer-nomain.o object
 * file for some tools to link against. */
#ifndef DISABLE_MAIN
int main(int argc, char *argv[])
{
#ifdef PTW32_STATIC_LIB
    pthread_win32_process_attach_np();
    pthread_win32_thread_attach_np();
    atexit(detach_ptw32);
#endif
    if (argc > 1 && (!strcmp(argv[1], "-leak-report")
                     || !strcmp(argv[1], "--leak-report")))
        talloc_enable_leak_report();

#ifdef __MINGW32__
    mp_get_converted_argv(&argc, &argv);
#endif

    char *mem_ptr;

    // movie info:

    /* Flag indicating whether MPlayer should exit without playing anything. */
    int opt_exit = 0;
    int i;

    struct MPContext *mpctx = talloc(NULL, MPContext);
    *mpctx = (struct MPContext){
        .osd_function = OSD_PLAY,
        .begin_skip = MP_NOPTS_VALUE,
        .play_tree_step = 1,
        .global_sub_pos = -1,
        .set_of_sub_pos = -1,
        .file_format = DEMUXER_TYPE_UNKNOWN,
        .last_dvb_step = 1,
        .paused_cache_fill = -1,
    };

    InitTimer();
    srand(GetTimerMS());

    mp_msg_init();
    init_libav();

#ifdef CONFIG_X11
    mpctx->x11_state = vo_x11_init_state();
#endif
    struct MPOpts *opts = &mpctx->opts;
    set_default_mplayer_options(opts);
    // Create the config context and register the options
    mpctx->mconfig = m_config_new(opts, cfg_include);
    m_config_register_options(mpctx->mconfig, mplayer_opts);
    m_config_register_options(mpctx->mconfig, common_opts);
    mp_input_register_options(mpctx->mconfig);

    // Preparse the command line
    m_config_preparse_command_line(mpctx->mconfig, argc, argv);

#if (defined(__MINGW32__) || defined(__CYGWIN__)) && defined(CONFIG_WIN32DLL)
    set_path_env();
#endif

#ifdef CONFIG_TV
    stream_tv_defaults.immediate = 1;
#endif

    parse_cfgfiles(mpctx, mpctx->mconfig);

    mpctx->playtree = m_config_parse_mp_command_line(mpctx->mconfig, argc, argv);
    if (mpctx->playtree == NULL)
        opt_exit = 1;
    else {
        mpctx->playtree = play_tree_cleanup(mpctx->playtree);
        if (mpctx->playtree) {
            mpctx->playtree_iter = play_tree_iter_new(mpctx->playtree,
                                                      mpctx->mconfig);
            if (mpctx->playtree_iter) {
                if (play_tree_iter_step(mpctx->playtree_iter, 0, 0) !=
                        PLAY_TREE_ITER_ENTRY) {
                    play_tree_iter_free(mpctx->playtree_iter);
                    mpctx->playtree_iter = NULL;
                }
                mpctx->filename = play_tree_iter_get_file(mpctx->playtree_iter,
                                                          1);
            }
        }
    }

    print_version("MPlayer2");

#if defined(__MINGW32__) || defined(__CYGWIN__)
    {
        HMODULE kernel32 = GetModuleHandle("Kernel32.dll");
        BOOL WINAPI (*setDEP)(DWORD) = NULL;
        BOOL WINAPI (*setDllDir)(LPCTSTR) = NULL;
        if (kernel32) {
            setDEP = GetProcAddress(kernel32, "SetProcessDEPPolicy");
            setDllDir = GetProcAddress(kernel32, "SetDllDirectoryA");
        }
        if (setDEP)
            setDEP(3);
        if (setDllDir)
            setDllDir("");
    }
    // stop Windows from showing all kinds of annoying error dialogs
    SetErrorMode(0x8003);
    // request 1ms timer resolution
    timeBeginPeriod(1);
#endif

#ifdef CONFIG_PRIORITY
    set_priority();
#endif

    if (opts->video_driver_list &&
            strcmp(opts->video_driver_list[0], "help") == 0) {
        list_video_out();
        opt_exit = 1;
    }

    if (opts->audio_driver_list &&
            strcmp(opts->audio_driver_list[0], "help") == 0) {
        list_audio_out();
        opt_exit = 1;
    }

    /* Check codecs.conf. */
    if (!codecs_file || !parse_codec_cfg(codecs_file)) {
        if (!parse_codec_cfg(mem_ptr = get_path("codecs.conf"))) {
            if (!parse_codec_cfg(MPLAYER_CONFDIR "/codecs.conf")) {
                if (!parse_codec_cfg(NULL))
                    exit_player_with_rc(mpctx, EXIT_NONE, 0);
                mp_tmsg(MSGT_CPLAYER, MSGL_V,
                        "Using built-in default codecs.conf.\n");
            }
        }
        free(mem_ptr); // release the buffer created by get_path()
    }

    if (audio_codec_list && strcmp(audio_codec_list[0], "help") == 0) {
        mp_tmsg(MSGT_CPLAYER, MSGL_INFO, "Available audio codecs:\n");
        mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_AUDIO_CODECS\n");
        list_codecs(1);
        mp_msg(MSGT_FIXME, MSGL_FIXME, "\n");
        opt_exit = 1;
    }
    if (video_codec_list && strcmp(video_codec_list[0], "help") == 0) {
        mp_tmsg(MSGT_CPLAYER, MSGL_INFO, "Available video codecs:\n");
        mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_VIDEO_CODECS\n");
        list_codecs(0);
        mp_msg(MSGT_FIXME, MSGL_FIXME, "\n");
        opt_exit = 1;
    }
    if (video_fm_list && strcmp(video_fm_list[0], "help") == 0) {
        vfm_help();
        mp_msg(MSGT_FIXME, MSGL_FIXME, "\n");
        opt_exit = 1;
    }
    if (audio_fm_list && strcmp(audio_fm_list[0], "help") == 0) {
        afm_help();
        mp_msg(MSGT_FIXME, MSGL_FIXME, "\n");
        opt_exit = 1;
    }
    if (af_cfg.list && strcmp(af_cfg.list[0], "help") == 0) {
        af_help();
        printf("\n");
        opt_exit = 1;
    }
#ifdef CONFIG_X11
    if (vo_fstype_list && strcmp(vo_fstype_list[0], "help") == 0) {
        fstype_help();
        mp_msg(MSGT_FIXME, MSGL_FIXME, "\n");
        opt_exit = 1;
    }
#endif
    if ((opts->demuxer_name && strcmp(opts->demuxer_name, "help") == 0) ||
        (opts->audio_demuxer_name && strcmp(opts->audio_demuxer_name, "help") == 0) ||
        (opts->sub_demuxer_name && strcmp(opts->sub_demuxer_name, "help") == 0)) {
        demuxer_help();
        mp_msg(MSGT_CPLAYER, MSGL_INFO, "\n");
        opt_exit = 1;
    }
    if (opts->list_properties) {
        property_print_help();
        opt_exit = 1;
    }

    if (opt_exit)
        exit_player(mpctx, EXIT_NONE);

    if (!mpctx->filename && !opts->player_idle_mode) {
        // no file/vcd/dvd -> show HELP:
        mp_msg(MSGT_CPLAYER, MSGL_INFO, "%s", mp_gtext(help_text));
        exit_player_with_rc(mpctx, EXIT_NONE, 0);
    }

    /* Display what configure line was used */
    mp_msg(MSGT_CPLAYER, MSGL_V, "Configuration: " CONFIGURATION "\n");

    // Many users forget to include command line in bugreports...
    if (mp_msg_test(MSGT_CPLAYER, MSGL_V)) {
        mp_tmsg(MSGT_CPLAYER, MSGL_INFO, "CommandLine:");
        for (i = 1; i < argc; i++)
            mp_msg(MSGT_CPLAYER, MSGL_INFO, " '%s'", argv[i]);
        mp_msg(MSGT_CPLAYER, MSGL_INFO, "\n");
    }

    //------ load global data first ------

    mpctx->osd = osd_create();

    // check font
#ifdef CONFIG_FREETYPE
    init_freetype();
#endif
#ifdef CONFIG_FONTCONFIG
    if (font_fontconfig <= 0) {
#endif
#ifdef CONFIG_BITMAP_FONT
    if (font_name) {
        vo_font = read_font_desc(font_name, font_factor, verbose > 1);
        if (!vo_font)
            mp_tmsg(MSGT_CPLAYER, MSGL_ERR, "Cannot load bitmap font: %s\n",
                    filename_recode(font_name));
    } else {
        // try default:
        vo_font = read_font_desc(mem_ptr = get_path("font/font.desc"),
                                 font_factor, verbose > 1);
        free(mem_ptr); // release the buffer created by get_path()
        if (!vo_font)
            vo_font = read_font_desc(MPLAYER_DATADIR "/font/font.desc",
                                     font_factor, verbose > 1);
    }
    if (sub_font_name)
        mpctx->osd->sub_font = read_font_desc(sub_font_name, font_factor,
                                              verbose > 1);
    else
        mpctx->osd->sub_font = vo_font;
#endif
#ifdef CONFIG_FONTCONFIG
}
#endif

#ifdef CONFIG_ASS
    mpctx->ass_library = mp_ass_init(opts);
    mpctx->osd->ass_library = mpctx->ass_library;
#endif

#ifdef HAVE_RTC
    if (opts->rtc) {
        char *rtc_device = opts->rtc_device;
        // seteuid(0); /* Can't hurt to try to get root here */
        if ((rtc_fd = open(rtc_device ? rtc_device : "/dev/rtc", O_RDONLY)) < 0)
            mp_tmsg(MSGT_CPLAYER, MSGL_WARN, "Failed to open %s: %s "
                    "(it should be readable by the user.)\n",
                    rtc_device ? rtc_device : "/dev/rtc", strerror(errno));
        else {
            unsigned long irqp = 1024; /* 512 seemed OK. 128 is jerky. */

            if (ioctl(rtc_fd, RTC_IRQP_SET, irqp) < 0) {
                mp_tmsg(MSGT_CPLAYER, MSGL_WARN, "Linux RTC init error in "
                        "ioctl (rtc_irqp_set %lu): %s\n",
                        irqp, strerror(errno));
                mp_tmsg(MSGT_CPLAYER, MSGL_HINT, "Try adding \"echo %lu > /proc/sys/dev/rtc/max-user-freq\" to your system startup scripts.\n", irqp);
                close(rtc_fd);
                rtc_fd = -1;
            } else if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) {
                /* variable only by the root */
                mp_tmsg(MSGT_CPLAYER, MSGL_ERR, "Linux RTC init error in "
                        "ioctl (rtc_pie_on): %s\n", strerror(errno));
                close(rtc_fd);
                rtc_fd = -1;
            } else
                mp_tmsg(MSGT_CPLAYER, MSGL_V,
                        "Using Linux hardware RTC timing (%ldHz).\n", irqp);
        }
    }
    if (rtc_fd < 0)
#endif /* HAVE_RTC */
    mp_msg(MSGT_CPLAYER, MSGL_V, "Using %s timing\n",
           opts->softsleep ? "software" : timer_name);

#ifdef HAVE_TERMCAP
    load_termcap(NULL); // load key-codes
#endif

    // ========== Init keyboard FIFO (connection to libvo) ============

    // Init input system
    current_module = "init_input";
    mpctx->input = mp_input_init(&opts->input);
    mpctx->key_fifo = mp_fifo_create(mpctx->input, opts);
    if (slave_mode)
        mp_input_add_cmd_fd(mpctx->input, 0, USE_FD0_CMD_SELECT, MP_INPUT_SLAVE_CMD_FUNC, NULL);
    else if (opts->consolecontrols)
        mp_input_add_key_fd(mpctx->input, 0, 1, read_keys, NULL, mpctx->key_fifo);
    // Set the libstream interrupt callback
    stream_set_interrupt_callback(mp_input_check_interrupt, mpctx->input);

    current_module = NULL;

    /// Catch signals
#ifndef __MINGW32__
    signal(SIGCHLD, child_sighandler);
#endif

#ifdef CONFIG_CRASH_DEBUG
    prog_path = argv[0];
#endif
    //========= Catch terminate signals: ================
    // terminate requests:
    signal(SIGTERM, exit_sighandler); // kill
    signal(SIGHUP, exit_sighandler); // kill -HUP  /  xterm closed

    signal(SIGINT, exit_sighandler); // Interrupt from keyboard

    signal(SIGQUIT, exit_sighandler); // Quit from keyboard
    signal(SIGPIPE, exit_sighandler); // Some window managers cause this
#ifdef CONFIG_SIGHANDLER
    // fatal errors:
    signal(SIGBUS, exit_sighandler); // bus error
    signal(SIGSEGV, exit_sighandler); // segfault
    signal(SIGILL, exit_sighandler); // illegal instruction
    signal(SIGFPE, exit_sighandler); // floating point exc.
    signal(SIGABRT, exit_sighandler); // abort()
#ifdef CONFIG_CRASH_DEBUG
    if (crash_debug)
        signal(SIGTRAP, exit_sighandler);
#endif
#endif

    // ***************** Now, let's see the per-file stuff ******************

play_next_file:

    // init global sub numbers
    mpctx->global_sub_size = 0;
    memset(mpctx->sub_counts, 0, sizeof(mpctx->sub_counts));

    if (mpctx->filename) {
        load_per_protocol_config(mpctx->mconfig, mpctx->filename);
        load_per_extension_config(mpctx->mconfig, mpctx->filename);
        load_per_file_config(mpctx->mconfig, mpctx->filename);
    }

    if (opts->video_driver_list)
        load_per_output_config(mpctx->mconfig, PROFILE_CFG_VO,
                               opts->video_driver_list[0]);
    if (opts->audio_driver_list)
        load_per_output_config(mpctx->mconfig, PROFILE_CFG_AO,
                               opts->audio_driver_list[0]);

    // We must enable getch2 here to be able to interrupt network connection
    // or cache filling
    if (opts->consolecontrols && !slave_mode) {
        if (mpctx->initialized_flags & INITIALIZED_GETCH2)
            mp_tmsg(MSGT_CPLAYER, MSGL_WARN,
                    "WARNING: getch2_init called twice!\n");
        else
            getch2_enable();  // prepare stdin for hotkeys...
        mpctx->initialized_flags |= INITIALIZED_GETCH2;
        mp_msg(MSGT_CPLAYER, MSGL_DBG2, "\n[[[init getch2]]]\n");
    }

    // ================= GUI idle loop (STOP state) =========================
    while (opts->player_idle_mode && !mpctx->filename) {
        play_tree_t *entry = NULL;
        mp_cmd_t *cmd;
        if (mpctx->video_out && mpctx->video_out->config_ok)
            vo_control(mpctx->video_out, VOCTRL_PAUSE, NULL);
        while (!(cmd = mp_input_get_cmd(mpctx->input, 0, 0))) {
            if (mpctx->video_out)
                vo_check_events(mpctx->video_out);
            usec_sleep(20000);
        }
        switch (cmd->id) {
        case MP_CMD_LOADFILE:
            // prepare a tree entry with the new filename
            entry = play_tree_new();
            play_tree_add_file(entry, cmd->args[0].v.s);
            // The entry is added to the main playtree after the switch().
            break;
        case MP_CMD_LOADLIST:
            entry = parse_playlist_file(mpctx->mconfig, bstr(cmd->args[0].v.s));
            break;
        case MP_CMD_QUIT:
            exit_player_with_rc(mpctx, EXIT_QUIT,
                                (cmd->nargs > 0) ? cmd->args[0].v.i : 0);
            break;
        case MP_CMD_VO_FULLSCREEN:
        case MP_CMD_GET_PROPERTY:
        case MP_CMD_SET_PROPERTY:
        case MP_CMD_STEP_PROPERTY:
            run_command(mpctx, cmd);
            break;
        }

        mp_cmd_free(cmd);

        if (entry) { // user entered a command that gave a valid entry
            if (mpctx->playtree)
                // the playtree is always a node with one child. let's clear it
                play_tree_free_list(mpctx->playtree->child, 1);
            else
                // .. or make a brand new playtree
                mpctx->playtree = play_tree_new();

            if (!mpctx->playtree)
                continue;    // couldn't make playtree! wait for next command

            play_tree_set_child(mpctx->playtree, entry);

            /* Make iterator start at the top the of tree. */
            mpctx->playtree_iter = play_tree_iter_new(mpctx->playtree,
                                                      mpctx->mconfig);
            if (!mpctx->playtree_iter)
                continue;

            // find the first real item in the tree
            if (play_tree_iter_step(mpctx->playtree_iter, 0, 0) !=
                    PLAY_TREE_ITER_ENTRY) {
                // no items!
                play_tree_iter_free(mpctx->playtree_iter);
                mpctx->playtree_iter = NULL;
                continue; // wait for next command
            }
            mpctx->filename = play_tree_iter_get_file(mpctx->playtree_iter, 1);
        }
    }

#ifdef CONFIG_ASS
    ass_set_style_overrides(mpctx->ass_library, opts->ass_force_style_list);
#endif
    if (mpctx->video_out && mpctx->sh_video && mpctx->video_out->config_ok)
        vo_control(mpctx->video_out, VOCTRL_RESUME, NULL);

    if (mpctx->filename) {
        mp_tmsg(MSGT_CPLAYER, MSGL_INFO, "\nPlaying %s.\n",
                filename_recode(mpctx->filename));
        if (use_filename_title && opts->vo_wintitle == NULL)
            opts->vo_wintitle = talloc_strdup(NULL,
                                              mp_basename(mpctx->filename));
    }

    if (edl_filename) {
        if (edl_records)
            free_edl(edl_records);
        next_edl_record = edl_records = edl_parse_file();
    }
    if (edl_output_filename) {
        if (edl_fd)
            fclose(edl_fd);
        if ((edl_fd = fopen(edl_output_filename, "w")) == NULL) {
            mp_tmsg(MSGT_CPLAYER, MSGL_ERR,
                    "Can't open EDL file [%s] for writing.\n",
                    filename_recode(edl_output_filename));
        }
    }

    //==================== Open VOB-Sub ============================

    current_module = "vobsub";
    if (opts->vobsub_name) {
        vo_vobsub = vobsub_open(opts->vobsub_name, spudec_ifo, 1, &vo_spudec);
        if (vo_vobsub == NULL)
            mp_tmsg(MSGT_CPLAYER, MSGL_ERR, "Cannot load subtitles: %s\n",
                    filename_recode(opts->vobsub_name));
    } else if (opts->sub_auto && mpctx->filename) {
        char **vob = find_vob_subtitles(opts, mpctx->filename);
        for (int i = 0; i < MP_TALLOC_ELEMS(vob); i++) {
            vo_vobsub = vobsub_open(vob[i], spudec_ifo, 0, &vo_spudec);
            if (vo_vobsub)
                break;
        }
        talloc_free(vob);
    }
    if (vo_vobsub) {
        mpctx->initialized_flags |= INITIALIZED_VOBSUB;
        vobsub_set_from_lang(vo_vobsub, opts->sub_lang);
        mp_property_do("sub_forced_only", M_PROPERTY_SET, &forced_subs_only,
                       mpctx);

        // setup global sub numbering
        mpctx->sub_counts[SUB_SOURCE_VOBSUB] =
                vobsub_get_indexes_count(vo_vobsub);
    }

    //============ Open & Sync STREAM --- fork cache2 ====================

    mpctx->stream = NULL;
    mpctx->demuxer = NULL;
    mpctx->d_audio = NULL;
    mpctx->d_video = NULL;
    mpctx->d_sub = NULL;
    mpctx->sh_audio = NULL;
    mpctx->sh_video = NULL;

    current_module = "open_stream";
    mpctx->stream = open_stream(mpctx->filename, opts, &mpctx->file_format);
    if (!mpctx->stream) { // error...
        mpctx->stop_play = libmpdemux_was_interrupted(mpctx, PT_NEXT_ENTRY);
        goto goto_next_file;
    }
    mpctx->initialized_flags |= INITIALIZED_STREAM;

    if (mpctx->file_format == DEMUXER_TYPE_PLAYLIST) {
        mp_msg(MSGT_CPLAYER, MSGL_ERR, "\nThis looks like a playlist, but "
               "playlist support will not be used automatically.\n"
               "MPlayer's playlist code is unsafe and should only be used with "
               "trusted sources.\nPlayback will probably fail.\n\n");
#if 0
        play_tree_t *entry;
        // Handle playlist
        current_module = "handle_playlist";
        mp_msg(MSGT_CPLAYER, MSGL_V, "Parsing playlist %s...\n",
               filename_recode(mpctx->filename));
        entry = parse_playtree(mpctx->stream, mpctx->mconfig, 0);
        mpctx->eof = playtree_add_playlist(mpctx, entry);
        goto goto_next_file;
#endif
    }
    mpctx->stream->start_pos += seek_to_byte;

    if (stream_dump_type == 5) {
        unsigned char buf[4096];
        int len;
        FILE *f;
        current_module = "dumpstream";
        stream_reset(mpctx->stream);
        stream_seek(mpctx->stream, mpctx->stream->start_pos);
        f = fopen(opts->stream_dump_name, "wb");
        if (!f) {
            mp_tmsg(MSGT_CPLAYER, MSGL_FATAL, "Cannot open dump file.\n");
            exit_player(mpctx, EXIT_ERROR);
        }
        if (opts->chapterrange[0] > 1) {
            int chapter = opts->chapterrange[0] - 1;
            stream_control(mpctx->stream, STREAM_CTRL_SEEK_TO_CHAPTER, &chapter);
        }
        struct stream_dump_progress info;
        stream_dump_progress_start(&info);
        while (!mpctx->stream->eof && !async_quit_request) {
            len = stream_read(mpctx->stream, buf, 4096);
            if (len > 0) {
                if (fwrite(buf, len, 1, f) != 1) {
                    mp_tmsg(MSGT_GLOBAL, MSGL_FATAL, "%s: Error writing file.\n", opts->stream_dump_name);
                    exit_player(mpctx, EXIT_ERROR);
                }
            }
            stream_dump_progress(&info, len, mpctx->stream);
            if (opts->chapterrange[1] > 0) {
                int chapter = -1;
                if (stream_control(mpctx->stream,
                        STREAM_CTRL_GET_CURRENT_CHAPTER, &chapter) == STREAM_OK
                        && chapter + 1 > opts->chapterrange[1])
                    break;
            }
        }
        if (fclose(f)) {
            mp_tmsg(MSGT_GLOBAL, MSGL_FATAL, "%s: Error writing file.\n",
                    opts->stream_dump_name);
            exit_player(mpctx, EXIT_ERROR);
        }
        stream_dump_progress_end(&info, opts->stream_dump_name);
        mp_tmsg(MSGT_CPLAYER, MSGL_INFO, "Stream dump complete.\n");
        exit_player_with_rc(mpctx, EXIT_EOF, 0);
    }

#ifdef CONFIG_DVDREAD
    if (mpctx->stream->type == STREAMTYPE_DVD) {
        current_module = "dvd lang->id";
        if (opts->audio_lang && opts->audio_id == -1)
            opts->audio_id = dvd_aid_from_lang(mpctx->stream, opts->audio_lang);
        if (opts->sub_lang && opts->sub_id == -1)
            opts->sub_id = dvd_sid_from_lang(mpctx->stream, opts->sub_lang);
        // setup global sub numbering
        mpctx->sub_counts[SUB_SOURCE_DEMUX] = dvd_number_of_subs(mpctx->stream);
        current_module = NULL;
    }
#endif

#ifdef CONFIG_DVDNAV
    if (mpctx->stream->type == STREAMTYPE_DVDNAV) {
        current_module = "dvdnav lang->id";
        if (opts->audio_lang && opts->audio_id == -1)
            opts->audio_id = mp_dvdnav_aid_from_lang(mpctx->stream,
                                                     opts->audio_lang);
        dvdsub_lang_id = -3;
        if (opts->sub_lang && opts->sub_id == -1)
            dvdsub_lang_id = opts->sub_id = mp_dvdnav_sid_from_lang(
                    mpctx->stream, opts->sub_lang);
        // setup global sub numbering
        mpctx->sub_counts[SUB_SOURCE_DEMUX] = mp_dvdnav_number_of_subs(
                mpctx->stream);
        current_module = NULL;
    }
#endif

    // CACHE2: initial prefill: 20%  later: 5%  (should be set by -cacheopts)
goto_enable_cache:
    if (stream_cache_size > 0) {
        int res;
        float stream_cache_min_percent = opts->stream_cache_min_percent;
        float stream_cache_seek_min_percent = opts->stream_cache_seek_min_percent;
        current_module = "enable_cache";
        res = stream_enable_cache(mpctx->stream, stream_cache_size * 1024,
                                  stream_cache_size * 1024 * (stream_cache_min_percent / 100.0),
                                  stream_cache_size * 1024 * (stream_cache_seek_min_percent / 100.0));
        if (res == 0)
            if ((mpctx->stop_play = libmpdemux_was_interrupted(mpctx, PT_NEXT_ENTRY)))
                goto goto_next_file;
    }

    //============ Open DEMUXERS --- DETECT file type =======================
    current_module = "demux_open";

    mpctx->demuxer = demux_open(opts, mpctx->stream, mpctx->file_format,
                                opts->audio_id, opts->video_id, opts->sub_id,
                                mpctx->filename);

    // HACK to get MOV Reference Files working

    if (mpctx->demuxer && mpctx->demuxer->type == DEMUXER_TYPE_PLAYLIST) {
        unsigned char *playlist_entry;
        play_tree_t *list = NULL, *entry = NULL;

        current_module = "handle_demux_playlist";
        while (ds_get_packet(mpctx->demuxer->video, &playlist_entry) > 0) {
            char *temp;
            const char *bname;

            mp_msg(MSGT_CPLAYER, MSGL_V, "Adding file %s to element entry.\n",
                   filename_recode(playlist_entry));

            bname = mp_basename(playlist_entry);
            if ((strlen(bname) > 10) && !strncmp(bname, "qt", 2) &&
                    !strncmp(bname + 3, "gateQT", 6))
                continue;

            if (!strcmp(playlist_entry, mpctx->filename)) // self-reference
                continue;

            entry = play_tree_new();

            if (mpctx->filename && !strcmp(mp_basename(playlist_entry),
                    playlist_entry)) { // add reference path of current file
                temp = malloc((strlen(mpctx->filename) - strlen(mp_basename(
                        mpctx->filename)) + strlen(playlist_entry) + 1));
                if (temp) {
                    strncpy(temp, mpctx->filename, strlen(mpctx->filename) -
                            strlen(mp_basename(mpctx->filename)));
                    temp[strlen(mpctx->filename) - strlen(mp_basename(
                            mpctx->filename))] = '\0';
                    strcat(temp, playlist_entry);
                    if (!strcmp(temp, mpctx->filename)) {
                        free(temp);
                        continue;
                    }
                    play_tree_add_file(entry, temp);
                    mp_msg(MSGT_CPLAYER, MSGL_V,
                           "Resolving reference to %s.\n", temp);
                    free(temp);
                }
            } else
                play_tree_add_file(entry, playlist_entry);

            if (!list)
                list = entry;
            else
                play_tree_append_entry(list, entry);
        }
        free_demuxer(mpctx->demuxer);
        mpctx->demuxer = NULL;

        if (list) {
            entry = play_tree_new();
            play_tree_set_child(entry, list);
            mpctx->stop_play = playtree_add_playlist(mpctx, entry);
            goto goto_next_file;
        }
    }

    if (!mpctx->demuxer) {
        mp_tmsg(MSGT_CPLAYER, MSGL_ERR, "Failed to recognize file format.\n");
        goto goto_next_file;
    }

    if (mpctx->demuxer->matroska_data.ordered_chapters)
        build_ordered_chapter_timeline(mpctx);

    if (mpctx->demuxer->type == DEMUXER_TYPE_EDL)
        build_edl_timeline(mpctx);

    if (mpctx->timeline) {
        mpctx->timeline_part = 0;
        mpctx->demuxer = mpctx->timeline[0].source->demuxer;

        int part_count = mpctx->num_timeline_parts;
        mp_msg(MSGT_CPLAYER, MSGL_V, "Timeline contains %d parts from %d "
               "sources. Total length %.3f seconds.\n", part_count,
               mpctx->num_sources, mpctx->timeline[part_count].start);
        mp_msg(MSGT_CPLAYER, MSGL_V, "Source files:\n");
        for (int i = 0; i < mpctx->num_sources; i++)
            mp_msg(MSGT_CPLAYER, MSGL_V, "%d: %s\n", i,
                   filename_recode(mpctx->sources[i].demuxer->filename));
        mp_msg(MSGT_CPLAYER, MSGL_V, "Timeline parts: (number, start, "
               "source_start, source):\n");
        for (int i = 0; i < part_count; i++) {
            struct timeline_part *p = mpctx->timeline + i;
            mp_msg(MSGT_CPLAYER, MSGL_V, "%3d %9.3f %9.3f %3td\n", i, p->start,
                   p->source_start, p->source - mpctx->sources);
        }
        mp_msg(MSGT_CPLAYER, MSGL_V, "END %9.3f\n",
               mpctx->timeline[part_count].start);
    }

    if (!mpctx->sources) {
        mpctx->sources = talloc_ptrtype(NULL, mpctx->sources);
        *mpctx->sources = (struct content_source){
            .stream = mpctx->stream,
            .demuxer = mpctx->demuxer
        };
        mpctx->num_sources = 1;
    }

    mpctx->initialized_flags |= INITIALIZED_DEMUXER;

#ifdef CONFIG_ASS
    if (opts->ass_enabled && mpctx->ass_library) {
        for (int j = 0; j < mpctx->num_sources; j++) {
            struct demuxer *d = mpctx->sources[j].demuxer;
            for (int i = 0; i < d->num_attachments; i++) {
                struct demux_attachment *att = d->attachments + i;
                if (opts->use_embedded_fonts && attachment_is_font(att))
                    ass_add_font(mpctx->ass_library, att->name, att->data,
                                 att->data_size);
            }
        }
    }
#endif

    current_module = "demux_open2";

    mpctx->d_audio = mpctx->demuxer->audio;
    mpctx->d_video = mpctx->demuxer->video;
    mpctx->d_sub = mpctx->demuxer->sub;

    if (ts_prog) {
        int tmp = ts_prog;
        mp_property_do("switch_program", M_PROPERTY_SET, &tmp, mpctx);
    }
    // select audio stream
    for (int i = 0; i < mpctx->num_sources; i++)
        select_audio(mpctx->sources[i].demuxer->audio->demuxer, opts->audio_id,
                     opts->audio_lang);

    // DUMP STREAMS:
    if ((stream_dump_type) && (stream_dump_type < 4)) {
        FILE *f;
        demux_stream_t *ds = NULL;
        current_module = "dump";
        // select stream to dump
        switch (stream_dump_type) {
        case 1: ds = mpctx->d_audio;
            break;
        case 2: ds = mpctx->d_video;
            break;
        case 3: ds = mpctx->d_sub;
            break;
        }
        if (!ds) {
            mp_tmsg(MSGT_CPLAYER, MSGL_FATAL,
                    "dump: FATAL: Selected stream missing!\n");
            exit_player(mpctx, EXIT_ERROR);
        }
        // disable other streams:
        if (mpctx->d_audio && mpctx->d_audio != ds) {
            ds_free_packs(mpctx->d_audio);
            mpctx->d_audio->id = -2;
        }
        if (mpctx->d_video && mpctx->d_video != ds) {
            ds_free_packs(mpctx->d_video);
            mpctx->d_video->id = -2;
        }
        if (mpctx->d_sub && mpctx->d_sub != ds) {
            ds_free_packs(mpctx->d_sub);
            mpctx->d_sub->id = -2;
        }
        // let's dump it!
        f = fopen(opts->stream_dump_name, "wb");
        if (!f) {
            mp_tmsg(MSGT_CPLAYER, MSGL_FATAL, "Cannot open dump file.\n");
            exit_player(mpctx, EXIT_ERROR);
        }
        struct stream_dump_progress info;
        stream_dump_progress_start(&info);
        while (!ds->eof) {
            unsigned char *start;
            int in_size = ds_get_packet(ds, &start);
            if ((mpctx->demuxer->file_format == DEMUXER_TYPE_AVI || mpctx->demuxer->file_format == DEMUXER_TYPE_ASF || mpctx->demuxer->file_format == DEMUXER_TYPE_MOV)
                && stream_dump_type == 2)
                fwrite(&in_size, 1, 4, f);
            if (in_size > 0) {
                fwrite(start, in_size, 1, f);
                stream_dump_progress(&info, in_size, mpctx->stream);
            }
            if (opts->chapterrange[1] > 0) {
                int cur_chapter = demuxer_get_current_chapter(mpctx->demuxer, 0);
                if (cur_chapter != -1 && cur_chapter + 1 > opts->chapterrange[1])
                    break;
            }
        }
        fclose(f);
        stream_dump_progress_end(&info, opts->stream_dump_name);
        mp_tmsg(MSGT_CPLAYER, MSGL_INFO, "Stream dump complete.\n");
        exit_player_with_rc(mpctx, EXIT_EOF, 0);
    }

    mpctx->sh_audio = mpctx->d_audio->sh;
    mpctx->sh_video = mpctx->d_video->sh;

    if (mpctx->sh_video) {
        current_module = "video_read_properties";
        if (!video_read_properties(mpctx->sh_video)) {
            mp_tmsg(MSGT_CPLAYER, MSGL_ERR, "Video: Cannot read properties.\n");
            mpctx->sh_video = mpctx->d_video->sh = NULL;
        } else {
            mp_tmsg(MSGT_CPLAYER, MSGL_V, "[V] filefmt:%d  fourcc:0x%X  "
                    "size:%dx%d  fps:%5.3f  ftime:=%6.4f\n",
                    mpctx->demuxer->file_format, mpctx->sh_video->format,
                    mpctx->sh_video->disp_w, mpctx->sh_video->disp_h,
                    mpctx->sh_video->fps, mpctx->sh_video->frametime);
            if (force_fps) {
                mpctx->sh_video->fps = force_fps;
                mpctx->sh_video->frametime = 1.0f / mpctx->sh_video->fps;
            }
            vo_fps = mpctx->sh_video->fps;

            if (!mpctx->sh_video->fps && !force_fps && !opts->correct_pts) {
                mp_tmsg(MSGT_CPLAYER, MSGL_ERR, "FPS not specified in the "
                        "header or invalid, use the -fps option.\n");
            }
        }

    }

    if (!mpctx->sh_video && !mpctx->sh_audio) {
        mp_tmsg(MSGT_CPLAYER, MSGL_FATAL, "No stream found.\n");
#ifdef CONFIG_DVBIN
        if (mpctx->stream->type == STREAMTYPE_DVB) {
            int dir;
            int v = mpctx->last_dvb_step;
            if (v > 0)
                dir = DVB_CHANNEL_HIGHER;
            else
                dir = DVB_CHANNEL_LOWER;

            if (dvb_step_channel(mpctx->stream, dir)) {
                mpctx->stop_play = PT_NEXT_ENTRY;
                mpctx->dvbin_reopen = 1;
            }
        }
#endif
        goto goto_next_file; // exit_player(_("Fatal error"));
    }

    /* display clip info */
    demux_info_print(mpctx->demuxer);

    //================= Read SUBTITLES (DVD & TEXT) =========================
    if (vo_spudec == NULL && (mpctx->stream->type == STREAMTYPE_DVD
                              || mpctx->stream->type == STREAMTYPE_DVDNAV))
        init_vo_spudec(mpctx);

    // after reading video params we should load subtitles because
    // we know fps so now we can adjust subtitle time to ~6 seconds AST
    // check .sub
    current_module = "read_subtitles_file";
    double sub_fps = mpctx->sh_video ? mpctx->sh_video->fps : 25;
    if (opts->sub_name) {
        for (i = 0; opts->sub_name[i] != NULL; ++i)
            add_subtitles(mpctx, opts->sub_name[i], sub_fps, 0);
    }
    if (opts->sub_auto) { // auto load sub file ...
        char **tmp = find_text_subtitles(opts, mpctx->filename);
        int nsub = MP_TALLOC_ELEMS(tmp);
        for (int i = 0; i < nsub; i++)
            add_subtitles(mpctx, tmp[i], sub_fps, 1);
        talloc_free(tmp);
    }
    if (mpctx->set_of_sub_size > 0)
        mpctx->sub_counts[SUB_SOURCE_SUBS] = mpctx->set_of_sub_size;

    if (select_subtitle(mpctx)) {
        if (mpctx->subdata)
            switch (stream_dump_type) {
            case 3: list_sub_file(mpctx->subdata);
                break;
            case 4: dump_mpsub(mpctx->subdata, mpctx->sh_video->fps);
                break;
            case 6: dump_srt(mpctx->subdata, mpctx->sh_video->fps);
                break;
            case 7: dump_microdvd(mpctx->subdata, mpctx->sh_video->fps);
                break;
            case 8: dump_jacosub(mpctx->subdata, mpctx->sh_video->fps);
                break;
            case 9: dump_sami(mpctx->subdata, mpctx->sh_video->fps);
                break;
            }
    }

    print_file_properties(mpctx, mpctx->filename);

    reinit_video_chain(mpctx);
    if (mpctx->sh_video) {
        if (mpctx->sh_video->output_flags & VFCAP_SPU && vo_spudec)
            spudec_set_hw_spu(vo_spudec, mpctx->video_out);
#ifdef CONFIG_FREETYPE
        force_load_font = 1;
#endif
    } else if (!mpctx->sh_audio)
        goto goto_next_file;

    //================== MAIN: ==========================
    current_module = "main";

    if (opts->playing_msg) {
        char *msg = property_expand_string(mpctx, opts->playing_msg);
        mp_msg(MSGT_CPLAYER, MSGL_INFO, "%s", msg);
        free(msg);
    }


    // Disable the term OSD in verbose mode
    if (verbose)
        opts->term_osd = 0;

    // Make sure old OSD does not stay around,
    // e.g. with -fixed-vo and same-resolution files
    clear_osd_msgs();
    update_osd_msg(mpctx);

    //================ SETUP AUDIO ==========================

    if (mpctx->sh_audio) {
        reinit_audio_chain(mpctx);
        if (mpctx->sh_audio && mpctx->sh_audio->codec)
            mp_msg(MSGT_IDENTIFY, MSGL_INFO,
                   "ID_AUDIO_CODEC=%s\n", mpctx->sh_audio->codec->name);
    }

    current_module = "av_init";

    if (mpctx->sh_video) {
        mpctx->sh_video->timer = 0;
        if (!ignore_start)
            audio_delay += mpctx->sh_video->stream_delay;
    }
    if (mpctx->sh_audio) {
        if (start_volume >= 0)
            mixer_setvolume(&mpctx->mixer, start_volume, start_volume);
        if (!ignore_start)
            audio_delay -= mpctx->sh_audio->stream_delay;
        mpctx->delay = -audio_delay;
    }

    if (!mpctx->sh_audio) {
        mp_tmsg(MSGT_CPLAYER, MSGL_INFO, "Audio: no sound\n");
        mp_msg(MSGT_CPLAYER, MSGL_V, "Freeing %d unused audio chunks.\n",
               mpctx->d_audio->packs);
        ds_free_packs(mpctx->d_audio); // free buffered chunks
    }
    if (!mpctx->sh_video) {
        mp_tmsg(MSGT_CPLAYER, MSGL_INFO, "Video: no video\n");
        mp_msg(MSGT_CPLAYER, MSGL_V, "Freeing %d unused video chunks.\n",
               mpctx->d_video->packs);
        ds_free_packs(mpctx->d_video);
        mpctx->d_video->id = -2;
    }

    if (!mpctx->sh_video && !mpctx->sh_audio)
        goto goto_next_file;

    if (force_fps && mpctx->sh_video) {
        vo_fps = mpctx->sh_video->fps = force_fps;
        mpctx->sh_video->frametime = 1.0f / mpctx->sh_video->fps;
        mp_tmsg(MSGT_CPLAYER, MSGL_INFO,
                "FPS forced to be %5.3f  (ftime: %5.3f).\n",
                mpctx->sh_video->fps, mpctx->sh_video->frametime);
    }

    mp_input_set_section(mpctx->input, NULL);
    //TODO: add desired (stream-based) sections here
    if (mpctx->stream->type == STREAMTYPE_TV)
        mp_input_set_section(mpctx->input, "tv");
    if (mpctx->stream->type == STREAMTYPE_DVDNAV)
        mp_input_set_section(mpctx->input, "dvdnav");

    //==================== START PLAYING =======================

    if (opts->loop_times > 1)
        opts->loop_times--;
    else if (opts->loop_times == 1)
        opts->loop_times = -1;

    mp_tmsg(MSGT_CPLAYER, MSGL_INFO, "Starting playback...\n");

    total_time_usage_start = GetTimer();
    audio_time_usage = 0;
    video_time_usage = 0;
    vout_time_usage = 0;
    total_frame_cnt = 0;
    drop_frame_cnt = 0;          // fix for multifile fps benchmark
    play_n_frames = play_n_frames_mf;

    if (play_n_frames == 0) {
        mpctx->stop_play = PT_NEXT_ENTRY;
        goto goto_next_file;
    }

    mpctx->time_frame = 0;
    mpctx->drop_message_shown = 0;
    mpctx->restart_playback = true;
    mpctx->video_pts = 0;
    mpctx->last_seek_pts = 0;
    mpctx->hrseek_active = false;
    mpctx->hrseek_framedrop = false;
    mpctx->step_frames = 0;
    mpctx->total_avsync_change = 0;
    mpctx->last_chapter_seek = -2;

    // If there's a timeline force an absolute seek to initialize state
    if (opts->seek_to_sec || mpctx->timeline) {
        queue_seek(mpctx, MPSEEK_ABSOLUTE, opts->seek_to_sec, 0);
        seek(mpctx, mpctx->seek, false);
        end_at.pos += opts->seek_to_sec;
    }
    if (opts->chapterrange[0] > 0) {
        double pts;
        if (seek_chapter(mpctx, opts->chapterrange[0] - 1, &pts) >= 0
            && pts > -1.0) {
            queue_seek(mpctx, MPSEEK_ABSOLUTE, pts, 0);
            seek(mpctx, mpctx->seek, false);
        }
    }

    if (end_at.type == END_AT_SIZE) {
        mp_tmsg(MSGT_CPLAYER, MSGL_WARN,
                "Option -endpos in MPlayer does not yet support size units.\n");
        end_at.type = END_AT_NONE;
    }

#ifdef CONFIG_DVDNAV
    mp_dvdnav_context_free(mpctx);
    if (mpctx->stream->type == STREAMTYPE_DVDNAV) {
        mp_dvdnav_read_wait(mpctx->stream, 0, 1);
        mp_dvdnav_cell_has_changed(mpctx->stream, 1);
    }
#endif

    mpctx->seek = (struct seek_params){ 0 };
    get_relative_time(mpctx); // reset current delta
    // Make sure VO knows current pause state
    if (mpctx->sh_video)
        vo_control(mpctx->video_out,
                   mpctx->paused ? VOCTRL_PAUSE : VOCTRL_RESUME, NULL);

    while (!mpctx->stop_play)
        run_playloop(mpctx);

    mp_msg(MSGT_GLOBAL, MSGL_V, "EOF code: %d  \n", mpctx->stop_play);

#ifdef CONFIG_DVBIN
    if (mpctx->dvbin_reopen) {
        mpctx->stop_play = 0;
        uninit_player(mpctx, INITIALIZED_ALL - (INITIALIZED_STREAM | INITIALIZED_GETCH2 | (opts->fixed_vo ? INITIALIZED_VO : 0)));
        cache_uninit(mpctx->stream);
        mpctx->dvbin_reopen = 0;
        goto goto_enable_cache;
    }
#endif

goto_next_file:  // don't jump here after ao/vo/getch initialization!

    mp_msg(MSGT_CPLAYER, MSGL_INFO, "\n");

    if (opts->benchmark) {
        double tot = video_time_usage + vout_time_usage + audio_time_usage;
        double total_time_usage;
        total_time_usage_start = GetTimer() - total_time_usage_start;
        total_time_usage = (float)total_time_usage_start * 0.000001;
        mp_msg(MSGT_CPLAYER, MSGL_INFO, "\nBENCHMARKs: VC:%8.3fs VO:%8.3fs "
               "A:%8.3fs Sys:%8.3fs = %8.3fs\n",
               video_time_usage, vout_time_usage, audio_time_usage,
               total_time_usage - tot, total_time_usage);
        if (total_time_usage > 0.0)
            mp_msg(MSGT_CPLAYER, MSGL_INFO, "BENCHMARK%%: VC:%8.4f%% "
                   "VO:%8.4f%% A:%8.4f%% Sys:%8.4f%% = %8.4f%%\n",
                   100.0 * video_time_usage / total_time_usage,
                   100.0 * vout_time_usage / total_time_usage,
                   100.0 * audio_time_usage / total_time_usage,
                   100.0 * (total_time_usage - tot) / total_time_usage,
                   100.0);
        if (total_frame_cnt && frame_dropping)
            mp_msg(MSGT_CPLAYER, MSGL_INFO, "BENCHMARKn: disp: %d (%3.2f fps)"
                   "  drop: %d (%d%%)  total: %d (%3.2f fps)\n",
                   total_frame_cnt - drop_frame_cnt,
                   (total_time_usage > 0.5) ? ((total_frame_cnt -
                           drop_frame_cnt) / total_time_usage) : 0,
                   drop_frame_cnt,
                   100 * drop_frame_cnt / total_frame_cnt,
                   total_frame_cnt,
                   (total_time_usage > 0.5) ?
                           (total_frame_cnt / total_time_usage) : 0);
    }

    // time to uninit all, except global stuff:
    int uninitialize_parts = INITIALIZED_ALL;
    if (opts->fixed_vo)
        uninitialize_parts -= INITIALIZED_VO;
    if (opts->gapless_audio && mpctx->stop_play == AT_END_OF_FILE)
        uninitialize_parts -= INITIALIZED_AO;
    uninit_player(mpctx, uninitialize_parts);

    if (mpctx->set_of_sub_size > 0) {
        current_module = "sub_free";
        for (i = 0; i < mpctx->set_of_sub_size; ++i) {
            sub_free(mpctx->set_of_subtitles[i]);
#ifdef CONFIG_ASS
            if (mpctx->set_of_ass_tracks[i])
                ass_free_track(mpctx->set_of_ass_tracks[i]);
#endif
        }
        mpctx->set_of_sub_size = 0;
    }
    mpctx->vo_sub_last = vo_sub = NULL;
    mpctx->subdata = NULL;
#ifdef CONFIG_ASS
    mpctx->osd->ass_track = NULL;
    if (mpctx->ass_library)
        ass_clear_fonts(mpctx->ass_library);
#endif

    if (!mpctx->stop_play) // In case some goto jumped here...
        mpctx->stop_play = PT_NEXT_ENTRY;

    int playtree_direction = 1;

    if (mpctx->stop_play == PT_NEXT_ENTRY
            || mpctx->stop_play == PT_PREV_ENTRY) {
        if (play_tree_iter_step(mpctx->playtree_iter, mpctx->play_tree_step, 0)
                != PLAY_TREE_ITER_ENTRY) {
            play_tree_iter_free(mpctx->playtree_iter);
            mpctx->playtree_iter = NULL;
        }
        mpctx->play_tree_step = 1;
    } else if (mpctx->stop_play == PT_UP_NEXT ||
               mpctx->stop_play == PT_UP_PREV) {
        int direction = mpctx->stop_play == PT_UP_NEXT ? 1 : -1;
        if (mpctx->playtree_iter) {
            if (play_tree_iter_up_step(mpctx->playtree_iter, direction, 0) !=
                    PLAY_TREE_ITER_ENTRY) {
                play_tree_iter_free(mpctx->playtree_iter);
                mpctx->playtree_iter = NULL;
            }
        }
    } else if (mpctx->stop_play == PT_STOP) {
        play_tree_iter_free(mpctx->playtree_iter);
        mpctx->playtree_iter = NULL;
    } else // NEXT PREV SRC
        playtree_direction = mpctx->stop_play == PT_PREV_SRC ? -1 : 1;

    while (mpctx->playtree_iter != NULL) {
        mpctx->filename = play_tree_iter_get_file(mpctx->playtree_iter,
                                                  playtree_direction);
        if (mpctx->filename == NULL) {
            if (play_tree_iter_step(mpctx->playtree_iter, playtree_direction,
                    0) != PLAY_TREE_ITER_ENTRY) {
                play_tree_iter_free(mpctx->playtree_iter);
                mpctx->playtree_iter = NULL;
            }
            ;
        } else
            break;
    }

    if (mpctx->playtree_iter != NULL || opts->player_idle_mode) {
        if (!mpctx->playtree_iter)
            mpctx->filename = NULL;
        mpctx->stop_play = 0;
        goto play_next_file;
    }

    exit_player_with_rc(mpctx, EXIT_EOF, 0);

    return 1;
}
#endif /* DISABLE_MAIN */