mp_core.h

   1 #ifndef MPLAYER_MP_CORE_H
   2 #define MPLAYER_MP_CORE_H
   3
   4 #include <stdbool.h>
   5
   6 #include "options.h"
   7 #include "mixer.h"
   8 #include "subreader.h"
   9
  10 // definitions used internally by the core player code
  11
  12 #define INITIALIZED_VO      1
  13 #define INITIALIZED_AO      2
  14 #define INITIALIZED_GUI     4
  15 #define INITIALIZED_GETCH2  8
  16 #define INITIALIZED_SPUDEC  32
  17 #define INITIALIZED_STREAM  64
  18 #define INITIALIZED_VOBSUB  256
  19 #define INITIALIZED_DEMUXER 512
  20 #define INITIALIZED_ACODEC  1024
  21 #define INITIALIZED_VCODEC  2048
  22 #define INITIALIZED_ALL     0xFFFF
  23
  24
  25 #define SUB_SOURCE_SUBS 0
  26 #define SUB_SOURCE_VOBSUB 1
  27 #define SUB_SOURCE_DEMUX 2
  28 #define SUB_SOURCES 3
  29
  30
  31 enum stop_play_reason {
  32     KEEP_PLAYING = 0,  // must be 0, numeric values of others do not matter
  33     AT_END_OF_FILE,
  34     PT_NEXT_ENTRY,
  35     PT_PREV_ENTRY,
  36     PT_NEXT_SRC,
  37     PT_PREV_SRC,
  38     PT_UP_NEXT,
  39     PT_UP_PREV,
  40     PT_STOP,
  41 };
  42
  43 typedef enum {
  44   EXIT_NONE,
  45   EXIT_QUIT,
  46   EXIT_EOF,
  47   EXIT_ERROR
  48 } exit_reason_t;
  49
  50 typedef struct MPContext {
  51     struct MPOpts opts;
  52     struct m_config *mconfig;
  53     struct vo_x11_state *x11_state;
  54     struct mp_fifo *key_fifo;
  55     struct input_ctx *input;
  56     struct osd_state *osd;
  57     int osd_show_percentage;
  58     int osd_function;
  59     const ao_functions_t *audio_out;
  60     struct play_tree *playtree;
  61     struct play_tree_iter *playtree_iter;
  62     char *filename; // currently playing file
  63     enum stop_play_reason stop_play;
  64     int play_tree_step;
  65     unsigned int initialized_flags;  // which subsystems have been initialized
  66
  67     struct stream *stream;
  68     struct demuxer *demuxer;
  69     struct sh_audio *sh_audio;
  70     struct sh_video *sh_video;
  71     struct demux_stream *d_audio;
  72     struct demux_stream *d_video;
  73     struct demux_stream *d_sub;
  74     mixer_t mixer;
  75     struct vo *video_out;
  76     // Frames buffered in the vo ready to flip. Currently always 0 or 1.
  77     // This is really a vo variable but currently there's no suitable vo
  78     // struct.
  79     int num_buffered_frames;
  80
  81     // Show a video frame as quickly as possible without trying to adjust
  82     // for AV sync. Used when starting a file or after seeking.
  83     bool update_video_immediately;
  84     // AV sync: the next frame should be shown when the audio out has this
  85     // much (in seconds) buffered data left. Increased when more data is
  86     // written to the ao, decreased when moving to the next frame.
  87     // In the audio-only case used as a timer since the last seek
  88     // by the audio CPU usage meter.
  89     double delay;
  90     // AV sync: time until next frame should be shown
  91     float time_frame;
  92     // How long the last vo flip() call took. Used to adjust timing with
  93     // the goal of making flip() calls finish (rather than start) at the
  94     // specified time.
  95     float last_vo_flip_duration;
  96     // How much video timing has been changed to make it match the audio
  97     // timeline. Used for status line information only.
  98     double total_avsync_change;
  99     // A-V sync difference when last frame was displayed. Kept to display
 100     // the same value if the status line is updated at a time where no new
 101     // video frame is shown.
 102     double last_av_difference;
 103
 104     // Timestamp from the last time some timing functions read the
 105     // current time, in (occasionally wrapping) microseconds. Used
 106     // to turn a new time value to a delta from last time.
 107     unsigned int last_time;
 108
 109     // Used to communicate the parameters of a seek between parts
 110     float rel_seek_secs;
 111     int abs_seek_pos;
 112
 113     float begin_skip; ///< start time of the current skip while on edlout mode
 114     // audio is muted if either EDL or user activates mute
 115     short edl_muted; ///< Stores whether EDL is currently in muted mode.
 116     short user_muted; ///< Stores whether user wanted muted mode.
 117
 118     int global_sub_size; // this encompasses all subtitle sources
 119     int global_sub_pos; // this encompasses all subtitle sources
 120     int set_of_sub_pos;
 121     int set_of_sub_size;
 122     int global_sub_indices[SUB_SOURCES];
 123     // set_of_ass_tracks[i] contains subtitles from set_of_subtitles[i]
 124     // parsed by libass or NULL if format unsupported
 125     struct ass_track_s *set_of_ass_tracks[MAX_SUBTITLE_FILES];
 126     sub_data* set_of_subtitles[MAX_SUBTITLE_FILES];
 127
 128     int file_format;
 129
 130     int last_dvb_step;
 131     int dvbin_reopen;
 132
 133     int paused;
 134     // step this many frames, then pause
 135     int step_frames;
 136
 137     // Set after showing warning about decoding being too slow for realtime
 138     // playback rate. Used to avoid showing it multiple times.
 139     bool drop_message_shown;
 140
 141 #ifdef CONFIG_DVDNAV
 142     struct mp_image *nav_smpi; ///< last decoded dvdnav video image
 143     unsigned char *nav_buffer;   ///< last read dvdnav video frame
 144     unsigned char *nav_start;    ///< pointer to last read video buffer
 145     int            nav_in_size;  ///< last read size
 146 #endif
 147 } MPContext;
 148
 149
 150 // Most of these should not be globals
 151 extern FILE *edl_fd;
 152 extern int file_filter;
 153 // These appear in options list
 154 extern int forced_subs_only;
 155
 156 struct ao_data;
 157 int build_afilter_chain(struct MPContext *mpctx, struct sh_audio *sh_audio, struct ao_data *ao_data);
 158 void uninit_player(struct MPContext *mpctx, unsigned int mask);
 159 void reinit_audio_chain(struct MPContext *mpctx);
 160 void init_vo_spudec(struct MPContext *mpctx);
 161 double playing_audio_pts(struct MPContext *mpctx);
 162 void exit_player_with_rc(struct MPContext *mpctx, exit_reason_t how, int rc);
 163 void add_subtitles(struct MPContext *mpctx, char *filename, float fps, int noerr);
 164 int reinit_video_chain(struct MPContext *mpctx);
 165 void pause_player(struct MPContext *mpctx);
 166 void unpause_player(struct MPContext *mpctx);
 167 void add_step_frame(struct MPContext *mpctx);
 168
 169 #endif /* MPLAYER_MP_CORE_H */