src/input/input_internal.h

   1 /*****************************************************************************
   2  * input_internal.h: Internal input structures
   3  *****************************************************************************
   4  * Copyright (C) 1998-2006 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 #ifndef LIBVLC_INPUT_INTERNAL_H
  25 #define LIBVLC_INPUT_INTERNAL_H 1
  26
  27 #include <vlc_access.h>
  28 #include <vlc_demux.h>
  29 #include <vlc_input.h>
  30 #include <libvlc.h>
  31 #include "input_interface.h"
  32
  33 /*****************************************************************************
  34  *  Private input fields
  35  *****************************************************************************/
  36
  37 #define INPUT_CONTROL_FIFO_SIZE    100
  38
  39 /* input_source_t: gathers all information per input source */
  40 typedef struct
  41 {
  42     /* Access/Stream/Demux plugins */
  43     access_t *p_access;
  44     stream_t *p_stream;
  45     demux_t  *p_demux;
  46
  47     /* Title infos for that input */
  48     bool         b_title_demux; /* Titles/Seekpoints provided by demux */
  49     int          i_title;
  50     input_title_t **title;
  51
  52     int i_title_offset;
  53     int i_seekpoint_offset;
  54
  55     int i_title_start;
  56     int i_title_end;
  57     int i_seekpoint_start;
  58     int i_seekpoint_end;
  59
  60     /* Properties */
  61     bool b_can_pause;
  62     bool b_can_pace_control;
  63     bool b_can_rate_control;
  64     bool b_can_stream_record;
  65     bool b_rescale_ts;
  66
  67     /* */
  68     int64_t i_pts_delay;
  69
  70     bool       b_eof;   /* eof of demuxer */
  71
  72 } input_source_t;
  73
  74 typedef struct
  75 {
  76     int         i_type;
  77     vlc_value_t val;
  78 } input_control_t;
  79
  80 /** Private input fields */
  81 struct input_thread_private_t
  82 {
  83     /* Global properties */
  84     double      f_fps;
  85     int         i_state;
  86     bool        b_can_pause;
  87     bool        b_can_rate_control;
  88     bool        b_can_pace_control;
  89
  90     /* Current state */
  91     bool        b_recording;
  92     int         i_rate;
  93
  94     /* Playtime configuration and state */
  95     int64_t     i_start;    /* :start-time,0 by default */
  96     int64_t     i_stop;     /* :stop-time, 0 if none */
  97     int64_t     i_run;      /* :run-time, 0 if none */
  98     int64_t     i_time;     /* Current time */
  99     bool        b_fast_seek;/* :input-fast-seek */
 100
 101     /* Output */
 102     bool            b_out_pace_control; /* XXX Move it ot es_sout ? */
 103     sout_instance_t *p_sout;            /* Idem ? */
 104     es_out_t        *p_es_out;
 105     es_out_t        *p_es_out_display;
 106
 107     /* Title infos FIXME multi-input (not easy) ? */
 108     int          i_title;
 109     input_title_t **title;
 110
 111     int i_title_offset;
 112     int i_seekpoint_offset;
 113
 114     /* User bookmarks FIXME won't be easy with multiples input */
 115     seekpoint_t bookmark;
 116     int         i_bookmark;
 117     seekpoint_t **pp_bookmark;
 118
 119     /* Input attachment */
 120     int i_attachment;
 121     input_attachment_t **attachment;
 122
 123     /* Main input properties */
 124
 125     /* Input item */
 126     input_item_t   *p_item;
 127
 128     /* Main source */
 129     input_source_t input;
 130     /* Slave sources (subs, and others) */
 131     int            i_slave;
 132     input_source_t **slave;
 133
 134     /* Resources */
 135     input_resource_t *p_resource;
 136     input_resource_t *p_resource_private;
 137
 138     /* Stats counters */
 139     struct {
 140         counter_t *p_read_packets;
 141         counter_t *p_read_bytes;
 142         counter_t *p_input_bitrate;
 143         counter_t *p_demux_read;
 144         counter_t *p_demux_bitrate;
 145         counter_t *p_demux_corrupted;
 146         counter_t *p_demux_discontinuity;
 147         counter_t *p_decoded_audio;
 148         counter_t *p_decoded_video;
 149         counter_t *p_decoded_sub;
 150         counter_t *p_sout_sent_packets;
 151         counter_t *p_sout_sent_bytes;
 152         counter_t *p_sout_send_bitrate;
 153         counter_t *p_played_abuffers;
 154         counter_t *p_lost_abuffers;
 155         counter_t *p_displayed_pictures;
 156         counter_t *p_lost_pictures;
 157         vlc_mutex_t counters_lock;
 158     } counters;
 159
 160     /* Buffer of pending actions */
 161     vlc_mutex_t lock_control;
 162     vlc_cond_t  wait_control;
 163     int i_control;
 164     input_control_t control[INPUT_CONTROL_FIFO_SIZE];
 165
 166     bool b_abort;
 167     bool is_running;
 168     vlc_thread_t thread;
 169 };
 170
 171 /***************************************************************************
 172  * Internal control helpers
 173  ***************************************************************************/
 174 enum input_control_e
 175 {
 176     INPUT_CONTROL_SET_DIE,
 177
 178     INPUT_CONTROL_SET_STATE,
 179
 180     INPUT_CONTROL_SET_RATE,
 181
 182     INPUT_CONTROL_SET_POSITION,
 183
 184     INPUT_CONTROL_SET_TIME,
 185
 186     INPUT_CONTROL_SET_PROGRAM,
 187
 188     INPUT_CONTROL_SET_TITLE,
 189     INPUT_CONTROL_SET_TITLE_NEXT,
 190     INPUT_CONTROL_SET_TITLE_PREV,
 191
 192     INPUT_CONTROL_SET_SEEKPOINT,
 193     INPUT_CONTROL_SET_SEEKPOINT_NEXT,
 194     INPUT_CONTROL_SET_SEEKPOINT_PREV,
 195
 196     INPUT_CONTROL_SET_BOOKMARK,
 197
 198     INPUT_CONTROL_SET_ES,
 199     INPUT_CONTROL_RESTART_ES,
 200
 201     INPUT_CONTROL_SET_AUDIO_DELAY,
 202     INPUT_CONTROL_SET_SPU_DELAY,
 203
 204     INPUT_CONTROL_ADD_SLAVE,
 205
 206     INPUT_CONTROL_ADD_SUBTITLE,
 207
 208     INPUT_CONTROL_SET_RECORD_STATE,
 209
 210     INPUT_CONTROL_SET_FRAME_NEXT,
 211 };
 212
 213 /* Internal helpers */
 214
 215 /* XXX for string value you have to allocate it before calling
 216  * input_ControlPush
 217  */
 218 void input_ControlPush( input_thread_t *, int i_type, vlc_value_t * );
 219
 220 /* Bound pts_delay */
 221 #define INPUT_PTS_DELAY_MAX INT64_C(60000000)
 222
 223 /**********************************************************************
 224  * Item metadata
 225  **********************************************************************/
 226 /* input_ExtractAttachmentAndCacheArt:
 227  *  Becarefull; p_item lock HAS to be taken */
 228 void input_ExtractAttachmentAndCacheArt( input_thread_t *p_input );
 229
 230 /***************************************************************************
 231  * Internal prototypes
 232  ***************************************************************************/
 233
 234 /* var.c */
 235 void input_ControlVarInit ( input_thread_t * );
 236 void input_ControlVarStop( input_thread_t * );
 237 void input_ControlVarNavigation( input_thread_t * );
 238 void input_ControlVarTitle( input_thread_t *, int i_title );
 239
 240 void input_ConfigVarInit ( input_thread_t * );
 241
 242 /* Subtitles */
 243 char **subtitles_Detect( input_thread_t *, char* path, const char *fname );
 244 int subtitles_Filter( const char *);
 245
 246 /* input.c */
 247 void input_SplitMRL( const char **, const char **, const char **,
 248                      const char **, char * );
 249
 250 #endif