git.sesse.net Git - vlc/blob - 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 #if defined(__PLUGIN__) || defined(__BUILTIN__) || !defined(__LIBVLC__)
  25 # error This header file can only be included from LibVLC.
  26 #endif
  27
  28 #ifndef _INPUT_INTERNAL_H
  29 #define _INPUT_INTERNAL_H 1
  30
  31 #include <vlc_access.h>
  32 #include <vlc_demux.h>
  33 #include <vlc_input.h>
  34 #include <libvlc.h>
  35 #include "input_interface.h"
  36
  37 /*****************************************************************************
  38  *  Private input fields
  39  *****************************************************************************/
  40
  41 #define INPUT_CONTROL_FIFO_SIZE    100
  42
  43 /* input_source_t: gathers all information per input source */
  44 typedef struct
  45 {
  46     /* Access/Stream/Demux plugins */
  47     access_t *p_access;
  48     stream_t *p_stream;
  49     demux_t  *p_demux;
  50
  51     /* Title infos for that input */
  52     bool         b_title_demux; /* Titles/Seekpoints provided by demux */
  53     int          i_title;
  54     input_title_t **title;
  55
  56     int i_title_offset;
  57     int i_seekpoint_offset;
  58
  59     int i_title_start;
  60     int i_title_end;
  61     int i_seekpoint_start;
  62     int i_seekpoint_end;
  63
  64     /* Properties */
  65     bool b_can_pause;
  66     bool b_can_pace_control;
  67     bool b_can_rate_control;
  68     bool b_can_stream_record;
  69     bool b_rescale_ts;
  70
  71     bool       b_eof;   /* eof of demuxer */
  72
  73 } input_source_t;
  74
  75 /** Private input fields */
  76 struct input_thread_private_t
  77 {
  78     /* Global properties */
  79     bool        b_can_pause;
  80     bool        b_can_rate_control;
  81     double      f_fps;
  82
  83     /* Internal caching common to all sources */
  84     mtime_t     i_pts_delay;
  85
  86     /* Current state */
  87     int         i_rate;
  88     bool        b_recording;
  89
  90     /* Playtime configuration */
  91     int64_t     i_start;    /* :start-time,0 by default */
  92     int64_t     i_stop;     /* :stop-time, 0 if none */
  93     int64_t     i_run;      /* :run-time, 0 if none */
  94
  95     /* Title infos FIXME multi-input (not easy) ? */
  96     int          i_title;
  97     input_title_t **title;
  98
  99     int i_title_offset;
 100     int i_seekpoint_offset;
 101
 102     /* User bookmarks FIXME won't be easy with multiples input */
 103     seekpoint_t bookmark;
 104     int         i_bookmark;
 105     seekpoint_t **pp_bookmark;
 106
 107     /* Input attachment */
 108     int i_attachment;
 109     input_attachment_t **attachment;
 110
 111     /* Output */
 112     es_out_t        *p_es_out;
 113     es_out_t        *p_es_out_display;
 114     sout_instance_t *p_sout;            /* XXX Move it to es_out ? */
 115     bool            b_out_pace_control; /*     idem ? */
 116
 117     /* Main input properties */
 118
 119     /* Input item */
 120     input_item_t   *p_item;
 121     /* Clock average variation */
 122     int            i_cr_average;
 123     /* Main source */
 124     input_source_t input;
 125     /* Slave sources (subs, and others) */
 126     int            i_slave;
 127     input_source_t **slave;
 128
 129     /* Ressources */
 130     input_ressource_t *p_ressource;
 131
 132     /* Stats counters */
 133     struct {
 134         counter_t *p_read_packets;
 135         counter_t *p_read_bytes;
 136         counter_t *p_input_bitrate;
 137         counter_t *p_demux_read;
 138         counter_t *p_demux_bitrate;
 139         counter_t *p_decoded_audio;
 140         counter_t *p_decoded_video;
 141         counter_t *p_decoded_sub;
 142         counter_t *p_sout_sent_packets;
 143         counter_t *p_sout_sent_bytes;
 144         counter_t *p_sout_send_bitrate;
 145         counter_t *p_played_abuffers;
 146         counter_t *p_lost_abuffers;
 147         counter_t *p_displayed_pictures;
 148         counter_t *p_lost_pictures;
 149         vlc_mutex_t counters_lock;
 150     } counters;
 151
 152     /* Buffer of pending actions */
 153     vlc_mutex_t lock_control;
 154     vlc_cond_t  wait_control;
 155     int i_control;
 156     struct
 157     {
 158         /* XXX for string value you have to allocate it before calling
 159          * input_ControlPush */
 160         int         i_type;
 161         vlc_value_t val;
 162     } control[INPUT_CONTROL_FIFO_SIZE];
 163 };
 164
 165 /***************************************************************************
 166  * Internal control helpers
 167  ***************************************************************************/
 168 enum input_control_e
 169 {
 170     INPUT_CONTROL_SET_DIE,
 171
 172     INPUT_CONTROL_SET_STATE,
 173
 174     INPUT_CONTROL_SET_RATE,
 175     INPUT_CONTROL_SET_RATE_SLOWER,
 176     INPUT_CONTROL_SET_RATE_FASTER,
 177
 178     INPUT_CONTROL_SET_POSITION,
 179     INPUT_CONTROL_SET_POSITION_OFFSET,
 180
 181     INPUT_CONTROL_SET_TIME,
 182     INPUT_CONTROL_SET_TIME_OFFSET,
 183
 184     INPUT_CONTROL_SET_PROGRAM,
 185
 186     INPUT_CONTROL_SET_TITLE,
 187     INPUT_CONTROL_SET_TITLE_NEXT,
 188     INPUT_CONTROL_SET_TITLE_PREV,
 189
 190     INPUT_CONTROL_SET_SEEKPOINT,
 191     INPUT_CONTROL_SET_SEEKPOINT_NEXT,
 192     INPUT_CONTROL_SET_SEEKPOINT_PREV,
 193
 194     INPUT_CONTROL_SET_BOOKMARK,
 195
 196     INPUT_CONTROL_SET_ES,
 197     INPUT_CONTROL_RESTART_ES,
 198
 199     INPUT_CONTROL_SET_AUDIO_DELAY,
 200     INPUT_CONTROL_SET_SPU_DELAY,
 201
 202     INPUT_CONTROL_ADD_SLAVE,
 203
 204     INPUT_CONTROL_ADD_SUBTITLE,
 205
 206     INPUT_CONTROL_SET_RECORD_STATE,
 207
 208     INPUT_CONTROL_SET_FRAME_NEXT,
 209 };
 210
 211 /* Internal helpers */
 212 void input_ControlPush( input_thread_t *, int i_type, vlc_value_t * );
 213
 214 /**********************************************************************
 215  * Item metadata
 216  **********************************************************************/
 217 /* input_ExtractAttachmentAndCacheArt:
 218  *  Becarefull; p_item lock HAS to be taken */
 219 void input_ExtractAttachmentAndCacheArt( input_thread_t *p_input );
 220
 221 /***************************************************************************
 222  * Internal prototypes
 223  ***************************************************************************/
 224
 225 /* var.c */
 226 void input_ControlVarInit ( input_thread_t * );
 227 void input_ControlVarStop( input_thread_t * );
 228 void input_ControlVarNavigation( input_thread_t * );
 229 void input_ControlVarTitle( input_thread_t *, int i_title );
 230
 231 void input_ConfigVarInit ( input_thread_t * );
 232
 233 /* Subtitles */
 234 char **subtitles_Detect( input_thread_t *, char* path, const char *fname );
 235 int subtitles_Filter( const char *);
 236
 237 #endif