/* * This file is part of MPlayer. * * MPlayer is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * MPlayer is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with MPlayer; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #ifndef MPLAYER_MP_CORE_H #define MPLAYER_MP_CORE_H #include #include "core/options.h" #include "audio/mixer.h" #include "demux/demux.h" // definitions used internally by the core player code #define INITIALIZED_VO 1 #define INITIALIZED_AO 2 #define INITIALIZED_VOL 4 #define INITIALIZED_GETCH2 8 #define INITIALIZED_SPUDEC 32 #define INITIALIZED_STREAM 64 #define INITIALIZED_DEMUXER 512 #define INITIALIZED_ACODEC 1024 #define INITIALIZED_VCODEC 2048 #define INITIALIZED_SUB 4096 #define INITIALIZED_ALL 0xFFFF enum stop_play_reason { KEEP_PLAYING = 0, // must be 0, numeric values of others do not matter AT_END_OF_FILE, // file has ended normally, prepare to play next PT_NEXT_ENTRY, // prepare to play next entry in playlist PT_CURRENT_ENTRY, // prepare to play mpctx->playlist->current PT_STOP, // stop playback, clear playlist PT_RESTART, // restart previous file PT_QUIT, // stop playback, quit player }; enum exit_reason { EXIT_NONE, EXIT_QUIT, EXIT_EOF, EXIT_ERROR }; struct timeline_part { double start; double source_start; struct demuxer *source; }; struct chapter { double start; char *name; }; enum mp_osd_seek_info { OSD_SEEK_INFO_BAR = 1, OSD_SEEK_INFO_TEXT = 2, OSD_SEEK_INFO_CHAPTER_TEXT = 4, OSD_SEEK_INFO_EDITION = 8, }; struct track { enum stream_type type; // The type specific ID, also called aid (audio), sid (subs), vid (video). // For UI purposes only; this ID doesn't have anything to do with any // IDs coming from demuxers or container files. int user_tid; // Same as stream->demuxer_id. -1 if not set. int demuxer_id; char *title; bool default_track; bool attached_picture; char *lang; // If this track is from an external file (e.g. subtitle file). bool is_external; char *external_filename; bool auto_loaded; // If the track's stream changes with the timeline (ordered chapters). bool under_timeline; // NULL if not backed by a demuxer (e.g. external subtitles). // Value can change if under_timeline==true. struct demuxer *demuxer; // Invariant: (!demuxer && !stream) || stream->demuxer == demuxer struct sh_stream *stream; // NOTE: demuxer subtitles, i.e. if stream!=NULL, do not use the following // fields. The data is stored in stream->sub this case. // External text subtitle using libass subtitle renderer. // The sh_sub is a dummy and doesn't belong to a demuxer. struct sh_sub *sh_sub; }; enum { MAX_NUM_VO_PTS = 100, }; typedef struct MPContext { struct MPOpts opts; struct m_config *mconfig; struct mp_fifo *key_fifo; struct input_ctx *input; struct osd_state *osd; struct mp_osd_msg *osd_msg_stack; char *terminal_osd_text; int add_osd_seek_info; // bitfield of enum mp_osd_seek_info double osd_visible; // for the osd bar only int osd_function; double osd_function_visible; double osd_last_update; struct playlist *playlist; char *filename; // currently playing file struct mp_resolve_result *resolve_result; enum stop_play_reason stop_play; unsigned int initialized_flags; // which subsystems have been initialized // Return code to use with PT_QUIT int quit_player_rc; struct demuxer **sources; int num_sources; struct timeline_part *timeline; int num_timeline_parts; int timeline_part; // NOTE: even if num_chapters==0, chapters being not NULL signifies presence // of chapter metadata struct chapter *chapters; int num_chapters; double video_offset; struct stream *stream; struct demuxer *demuxer; struct track **tracks; int num_tracks; // Selected tracks. NULL if no track selected. struct track *current_track[STREAM_TYPE_COUNT]; struct sh_stream *sh[STREAM_TYPE_COUNT]; struct sh_audio *sh_audio; // same as sh[STREAM_AUDIO]->audio struct sh_video *sh_video; // same as sh[STREAM_VIDEO]->video struct sh_sub *sh_sub; // same as sh[STREAM_SUB]->sub // Uses: accessing metadata (consider ordered chapters case, where the main // demuxer defines metadata), or special purpose demuxers like TV. struct demuxer *master_demuxer; mixer_t mixer; struct ao *ao; struct vo *video_out; /* We're starting playback from scratch or after a seek. Show first * video frame immediately and reinitialize sync. */ bool restart_playback; /* After playback restart (above) or audio stream change, adjust audio * stream by cutting samples or adding silence at the beginning to make * audio playback position match video position. */ bool syncing_audio; bool hrseek_active; bool hrseek_framedrop; double hrseek_pts; // AV sync: the next frame should be shown when the audio out has this // much (in seconds) buffered data left. Increased when more data is // written to the ao, decreased when moving to the next frame. // In the audio-only case used as a timer since the last seek // by the audio CPU usage meter. double delay; // AV sync: time until next frame should be shown double time_frame; // How long the last vo flip() call took. Used to adjust timing with // the goal of making flip() calls finish (rather than start) at the // specified time. double last_vo_flip_duration; // How much video timing has been changed to make it match the audio // timeline. Used for status line information only. double total_avsync_change; // Total number of dropped frames that were "approved" to be dropped. // Actual dropping depends on --framedrop and decoder internals. int drop_frame_cnt; // Number of frames dropped in a row. int dropped_frames; // A-V sync difference when last frame was displayed. Kept to display // the same value if the status line is updated at a time where no new // video frame is shown. double last_av_difference; /* timestamp of video frame currently visible on screen * (or at least queued to be flipped by VO) */ double video_pts; double last_seek_pts; // As video_pts, but is not reset when seeking away. (For the very short // period of time until a new frame is decoded and shown.) double last_vo_pts; // Video PTS, or audio PTS if video has ended. double playback_pts; // History of video frames timestamps that were queued in the VO // This includes even skipped frames during hr-seek double vo_pts_history_pts[MAX_NUM_VO_PTS]; // Whether the PTS at vo_pts_history[n] is after a seek reset uint64_t vo_pts_history_seek[MAX_NUM_VO_PTS]; uint64_t vo_pts_history_seek_ts; uint64_t backstep_start_seek_ts; bool backstep_active; double audio_delay; double last_heartbeat; double mouse_timer; unsigned int mouse_event_ts; int mouse_waiting_hide; // used to prevent hanging in some error cases double start_timestamp; // Timestamp from the last time some timing functions read the // current time, in (occasionally wrapping) microseconds. Used // to turn a new time value to a delta from last time. int64_t last_time; // Used to communicate the parameters of a seek between parts struct seek_params { enum seek_type { MPSEEK_NONE, MPSEEK_RELATIVE, MPSEEK_ABSOLUTE, MPSEEK_FACTOR } type; double amount; int exact; // -1 = disable, 0 = default, 1 = enable // currently not set by commands, only used internally by seek() int direction; // -1 = backward, 0 = default, 1 = forward } seek; /* Heuristic for relative chapter seeks: keep track which chapter * the user wanted to go to, even if we aren't exactly within the * boundaries of that chapter due to an inaccurate seek. */ int last_chapter_seek; double last_chapter_pts; struct ass_library *ass_library; int last_dvb_step; int dvbin_reopen; bool paused; // step this many frames, then pause int step_frames; // Counted down each frame, stop playback if 0 is reached. (-1 = disable) int max_frames; bool playing_msg_shown; bool paused_for_cache; // Set after showing warning about decoding being too slow for realtime // playback rate. Used to avoid showing it multiple times. bool drop_message_shown; struct screenshot_ctx *screenshot_ctx; char *track_layout_hash; struct encode_lavc_context *encode_lavc_ctx; } MPContext; // should not be global extern FILE *edl_fd; // These appear in options list extern int forced_subs_only; void uninit_player(struct MPContext *mpctx, unsigned int mask); void reinit_audio_chain(struct MPContext *mpctx); void init_vo_spudec(struct MPContext *mpctx); double playing_audio_pts(struct MPContext *mpctx); struct track *mp_add_subtitles(struct MPContext *mpctx, char *filename, float fps, int noerr); int reinit_video_chain(struct MPContext *mpctx); int reinit_video_filters(struct MPContext *mpctx); void pause_player(struct MPContext *mpctx); void unpause_player(struct MPContext *mpctx); void add_step_frame(struct MPContext *mpctx, int dir); void queue_seek(struct MPContext *mpctx, enum seek_type type, double amount, int exact); bool mp_seek_chapter(struct MPContext *mpctx, int chapter); double get_time_length(struct MPContext *mpctx); double get_start_time(struct MPContext *mpctx); double get_current_time(struct MPContext *mpctx); int get_percent_pos(struct MPContext *mpctx); double get_current_pos_ratio(struct MPContext *mpctx); int get_current_chapter(struct MPContext *mpctx); char *chapter_display_name(struct MPContext *mpctx, int chapter); char *chapter_name(struct MPContext *mpctx, int chapter); double chapter_start_time(struct MPContext *mpctx, int chapter); int get_chapter_count(struct MPContext *mpctx); void mp_switch_track(struct MPContext *mpctx, enum stream_type type, struct track *track); struct track *mp_track_by_tid(struct MPContext *mpctx, enum stream_type type, int tid); bool mp_remove_track(struct MPContext *mpctx, struct track *track); struct playlist_entry *mp_next_file(struct MPContext *mpctx, int direction); int mp_get_cache_percent(struct MPContext *mpctx); void mp_write_watch_later_conf(struct MPContext *mpctx); // timeline/tl_matroska.c void build_ordered_chapter_timeline(struct MPContext *mpctx); // timeline/tl_edl.c void build_edl_timeline(struct MPContext *mpctx); // timeline/tl_cue.c void build_cue_timeline(struct MPContext *mpctx); #endif /* MPLAYER_MP_CORE_H */