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
  58     bool add_osd_seek_info;
  59     // if nonzero, hide current OSD contents when GetTimerMS() reaches this
  60     unsigned int osd_show_percentage_until;
  61     unsigned int osd_visible;
  62
  63     int osd_function;
  64     const ao_functions_t *audio_out;
  65     struct play_tree *playtree;
  66     struct play_tree_iter *playtree_iter;
  67     char *filename; // currently playing file
  68     enum stop_play_reason stop_play;
  69     int play_tree_step;
  70     unsigned int initialized_flags;  // which subsystems have been initialized
  71
  72     struct stream *stream;
  73     struct demuxer *demuxer;
  74     struct sh_audio *sh_audio;
  75     struct sh_video *sh_video;
  76     struct demux_stream *d_audio;
  77     struct demux_stream *d_video;
  78     struct demux_stream *d_sub;
  79     mixer_t mixer;
  80     struct vo *video_out;
  81     // Frames buffered in the vo ready to flip. Currently always 0 or 1.
  82     // This is really a vo variable but currently there's no suitable vo
  83     // struct.
  84     int num_buffered_frames;
  85
  86     // Show a video frame as quickly as possible without trying to adjust
  87     // for AV sync. Used when starting a file or after seeking.
  88     bool update_video_immediately;
  89     // AV sync: the next frame should be shown when the audio out has this
  90     // much (in seconds) buffered data left. Increased when more data is
  91     // written to the ao, decreased when moving to the next frame.
  92     // In the audio-only case used as a timer since the last seek
  93     // by the audio CPU usage meter.
  94     double delay;
  95     // AV sync: time until next frame should be shown
  96     float time_frame;
  97     // How long the last vo flip() call took. Used to adjust timing with
  98     // the goal of making flip() calls finish (rather than start) at the
  99     // specified time.
 100     float last_vo_flip_duration;
 101     // How much video timing has been changed to make it match the audio
 102     // timeline. Used for status line information only.
 103     double total_avsync_change;
 104     // A-V sync difference when last frame was displayed. Kept to display
 105     // the same value if the status line is updated at a time where no new
 106     // video frame is shown.
 107     double last_av_difference;
 108
 109     // Timestamp from the last time some timing functions read the
 110     // current time, in (occasionally wrapping) microseconds. Used
 111     // to turn a new time value to a delta from last time.
 112     unsigned int last_time;
 113
 114     // Used to communicate the parameters of a seek between parts
 115     float rel_seek_secs;
 116     int abs_seek_pos;
 117
 118     float begin_skip; ///< start time of the current skip while on edlout mode
 119     // audio is muted if either EDL or user activates mute
 120     short edl_muted; ///< Stores whether EDL is currently in muted mode.
 121     short user_muted; ///< Stores whether user wanted muted mode.
 122
 123     int global_sub_size; // this encompasses all subtitle sources
 124     int global_sub_pos; // this encompasses all subtitle sources
 125     int set_of_sub_pos;
 126     int set_of_sub_size;
 127     int global_sub_indices[SUB_SOURCES];
 128     // set_of_ass_tracks[i] contains subtitles from set_of_subtitles[i]
 129     // parsed by libass or NULL if format unsupported
 130     struct ass_track_s *set_of_ass_tracks[MAX_SUBTITLE_FILES];
 131     sub_data* set_of_subtitles[MAX_SUBTITLE_FILES];
 132
 133     int file_format;
 134
 135     int last_dvb_step;
 136     int dvbin_reopen;
 137
 138     int paused;
 139     // step this many frames, then pause
 140     int step_frames;
 141
 142     // Set after showing warning about decoding being too slow for realtime
 143     // playback rate. Used to avoid showing it multiple times.
 144     bool drop_message_shown;
 145
 146 #ifdef CONFIG_DVDNAV
 147     struct mp_image *nav_smpi; ///< last decoded dvdnav video image
 148     unsigned char *nav_buffer;   ///< last read dvdnav video frame
 149     unsigned char *nav_start;    ///< pointer to last read video buffer
 150     int            nav_in_size;  ///< last read size
 151 #endif
 152 } MPContext;
 153
 154
 155 // Most of these should not be globals
 156 extern FILE *edl_fd;
 157 extern int file_filter;
 158 // These appear in options list
 159 extern int forced_subs_only;
 160
 161 struct ao_data;
 162 int build_afilter_chain(struct MPContext *mpctx, struct sh_audio *sh_audio, struct ao_data *ao_data);
 163 void uninit_player(struct MPContext *mpctx, unsigned int mask);
 164 void reinit_audio_chain(struct MPContext *mpctx);
 165 void init_vo_spudec(struct MPContext *mpctx);
 166 double playing_audio_pts(struct MPContext *mpctx);
 167 void exit_player_with_rc(struct MPContext *mpctx, exit_reason_t how, int rc);
 168 void add_subtitles(struct MPContext *mpctx, char *filename, float fps, int noerr);
 169 int reinit_video_chain(struct MPContext *mpctx);
 170 void pause_player(struct MPContext *mpctx);
 171 void unpause_player(struct MPContext *mpctx);
 172 void add_step_frame(struct MPContext *mpctx);
 173
 174 #endif /* MPLAYER_MP_CORE_H */