mp_core.h

   1 /*
   2  * This file is part of MPlayer.
   3  *
   4  * MPlayer is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * MPlayer is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  */
  18
  19 #ifndef MPLAYER_MP_CORE_H
  20 #define MPLAYER_MP_CORE_H
  21
  22 #include "mp_osd.h"
  23 #include "libao2/audio_out.h"
  24 #include "playtree.h"
  25 #include "stream/stream.h"
  26 #include "libmpdemux/demuxer.h"
  27 #include "libmpdemux/stheader.h"
  28 #include "mixer.h"
  29 #include "libvo/video_out.h"
  30 #include "subreader.h"
  31
  32 // definitions used internally by the core player code
  33
  34 #define INITIALIZED_VO      1
  35 #define INITIALIZED_AO      2
  36 #define INITIALIZED_GUI     4
  37 #define INITIALIZED_GETCH2  8
  38 #define INITIALIZED_SPUDEC  32
  39 #define INITIALIZED_STREAM  64
  40 #define INITIALIZED_INPUT   128
  41 #define INITIALIZED_VOBSUB  256
  42 #define INITIALIZED_DEMUXER 512
  43 #define INITIALIZED_ACODEC  1024
  44 #define INITIALIZED_VCODEC  2048
  45 #define INITIALIZED_ALL     0xFFFF
  46
  47
  48 #define SUB_SOURCE_SUBS 0
  49 #define SUB_SOURCE_VOBSUB 1
  50 #define SUB_SOURCE_DEMUX 2
  51 #define SUB_SOURCES 3
  52
  53
  54 #define PT_NEXT_ENTRY 1
  55 #define PT_PREV_ENTRY -1
  56 #define PT_NEXT_SRC 2
  57 #define PT_PREV_SRC -2
  58 #define PT_UP_NEXT 3
  59 #define PT_UP_PREV -3
  60 #define PT_STOP 4
  61
  62 enum exit_reason {
  63   EXIT_NONE,
  64   EXIT_QUIT,
  65   EXIT_EOF,
  66   EXIT_ERROR
  67 };
  68
  69 typedef struct MPContext {
  70     int osd_show_percentage;
  71     int osd_function;
  72     const ao_functions_t *audio_out;
  73     play_tree_t *playtree;
  74     play_tree_iter_t *playtree_iter;
  75     int eof;
  76     int play_tree_step;
  77     int loop_times;
  78
  79     stream_t *stream;
  80     demuxer_t *demuxer;
  81     sh_audio_t *sh_audio;
  82     sh_video_t *sh_video;
  83     demux_stream_t *d_audio;
  84     demux_stream_t *d_video;
  85     demux_stream_t *d_sub;
  86     mixer_t mixer;
  87     const vo_functions_t *video_out;
  88     // Frames buffered in the vo ready to flip. Currently always 0 or 1.
  89     // This is really a vo variable but currently there's no suitable vo
  90     // struct.
  91     int num_buffered_frames;
  92
  93     // used to retry decoding after startup/seeking to compensate for codec delay
  94     int startup_decode_retry;
  95     // how long until we need to display the "current" frame
  96     float time_frame;
  97
  98     // AV sync: the next frame should be shown when the audio out has this
  99     // much (in seconds) buffered data left. Increased when more data is
 100     // written to the ao, decreased when moving to the next frame.
 101     // In the audio-only case used as a timer since the last seek
 102     // by the audio CPU usage meter.
 103     double delay;
 104
 105     float begin_skip; ///< start time of the current skip while on edlout mode
 106     // audio is muted if either EDL or user activates mute
 107     short edl_muted; ///< Stores whether EDL is currently in muted mode.
 108     short user_muted; ///< Stores whether user wanted muted mode.
 109
 110     int global_sub_size; // this encompasses all subtitle sources
 111     int global_sub_pos; // this encompasses all subtitle sources
 112     int set_of_sub_pos;
 113     int set_of_sub_size;
 114     int global_sub_indices[SUB_SOURCES];
 115 #ifdef CONFIG_ASS
 116     // set_of_ass_tracks[i] contains subtitles from set_of_subtitles[i]
 117     // parsed by libass or NULL if format unsupported
 118     ass_track_t* set_of_ass_tracks[MAX_SUBTITLE_FILES];
 119 #endif
 120     sub_data* set_of_subtitles[MAX_SUBTITLE_FILES];
 121
 122     int file_format;
 123
 124 #ifdef CONFIG_DVBIN
 125     int last_dvb_step;
 126     int dvbin_reopen;
 127 #endif
 128
 129     int was_paused;
 130
 131 #ifdef CONFIG_DVDNAV
 132     struct mp_image_s *nav_smpi; ///< last decoded dvdnav video image
 133     unsigned char *nav_buffer;   ///< last read dvdnav video frame
 134     unsigned char *nav_start;    ///< pointer to last read video buffer
 135     int            nav_in_size;  ///< last read size
 136 #endif
 137 } MPContext;
 138
 139
 140 // Most of these should not be globals
 141 extern int abs_seek_pos;
 142 extern float rel_seek_secs;
 143 extern FILE *edl_fd;
 144 extern int file_filter;
 145 // These appear in options list
 146 extern float playback_speed;
 147 extern int fixed_vo;
 148 extern int forced_subs_only;
 149
 150
 151 int build_afilter_chain(sh_audio_t *sh_audio, ao_data_t *ao_data);
 152 void uninit_player(unsigned int mask);
 153 void reinit_audio_chain(void);
 154 void init_vo_spudec(void);
 155 double playing_audio_pts(sh_audio_t *sh_audio, demux_stream_t *d_audio,
 156                          const ao_functions_t *audio_out);
 157 void exit_player(enum exit_reason how);
 158 void exit_player_with_rc(enum exit_reason how, int rc);
 159 void add_subtitles(char *filename, float fps, int noerr);
 160 int reinit_video_chain(void);
 161
 162 #endif /* MPLAYER_MP_CORE_H */