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Diffstat (limited to 'player/mp_core.h')
-rw-r--r-- | player/mp_core.h | 459 |
1 files changed, 459 insertions, 0 deletions
diff --git a/player/mp_core.h b/player/mp_core.h new file mode 100644 index 0000000000..e1c7997907 --- /dev/null +++ b/player/mp_core.h @@ -0,0 +1,459 @@ +/* + * 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 <stdbool.h> + +#include "mpvcore/mp_common.h" +#include "mpvcore/options.h" + +// definitions used internally by the core player code + +#define INITIALIZED_VO 1 +#define INITIALIZED_AO 2 +#define INITIALIZED_PLAYBACK 16 +#define INITIALIZED_LIBASS 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, prepare to play next + // also returned on unrecoverable playback errors + 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_RELOAD_DEMUXER, // restart playback, but keep stream open + PT_QUIT, // stop playback, quit player +}; + +enum exit_reason { + EXIT_NONE, + EXIT_QUIT, + EXIT_PLAYED, + EXIT_ERROR, + EXIT_NOTPLAYED, + EXIT_SOMENOTPLAYED +}; + +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, +}; + + +enum { + OSD_MSG_TEXT = 1, + OSD_MSG_SUB_DELAY, + OSD_MSG_SPEED, + OSD_MSG_OSD_STATUS, + OSD_MSG_BAR, + OSD_MSG_PAUSE, + OSD_MSG_RADIO_CHANNEL, + OSD_MSG_TV_CHANNEL, + + // Base id for messages generated from the commmand to property bridge. + OSD_MSG_PROPERTY = 0x100, + OSD_MSG_SUB_BASE = 0x1000, + + // other constants + MAX_OSD_LEVEL = 3, + MAX_TERM_OSD_LEVEL = 1, + OSD_LEVEL_INVISIBLE = 4, + OSD_BAR_SEEK = 256, +}; + +enum seek_type { + MPSEEK_NONE = 0, + MPSEEK_RELATIVE, + MPSEEK_ABSOLUTE, + MPSEEK_FACTOR, +}; + +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; + + // Value can change if under_timeline==true. + struct demuxer *demuxer; + // Invariant: !stream || stream->demuxer == demuxer + struct sh_stream *stream; + + // For external subtitles, which are read fully on init. Do not attempt + // to read packets from them. + bool preloaded; +}; + +enum { + MAX_NUM_VO_PTS = 100, +}; + +typedef struct MPContext { + struct mpv_global *global; + struct MPOpts *opts; + struct mp_log *log; + struct m_config *mconfig; + struct input_ctx *input; + struct osd_state *osd; + struct mp_osd_msg *osd_msg_stack; + char *terminal_osd_text; + char *last_window_title; + + 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 + enum exit_reason quit_player_rc; + int quit_custom_rc; + bool has_quit_custom_rc; + bool error_playing; + + int64_t shown_vframes, shown_aframes; + + 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; + + char *track_layout_hash; + + // Selected tracks. NULL if no track selected. + struct track *current_track[STREAM_TYPE_COUNT]; + + struct sh_stream *sh[STREAM_TYPE_COUNT]; + + struct dec_video *d_video; + struct dec_audio *d_audio; + struct dec_sub *d_sub; + + // Uses: accessing metadata (consider ordered chapters case, where the main + // demuxer defines metadata), or special purpose demuxers like TV. + struct demuxer *master_demuxer; + + struct mixer *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; + /* Set if audio should be timed to start with video frame after seeking, + * not set when e.g. playing cover art */ + bool sync_audio_to_video; + /* 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; + // Display duration (as "intended") of the last flipped frame. + double last_frame_duration; + // Set to true some time after a new frame has been shown, and it turns out + // that this frame was the last one before video ends. + bool playing_last_frame; + // 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 the latest image that was queued on the VO, but not yet + * to be flipped. */ + double video_next_pts; + /* 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 last_metadata_update; + + double mouse_timer; + unsigned int mouse_event_ts; + bool mouse_cursor_visible; + + // used to prevent hanging in some error cases + double start_timestamp; + + // Timestamp from the last time some timing functions read the + // current time, in 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 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; + + /* Subtitle renderer. This is separate, because we want to keep fonts + * loaded across ordered chapters, instead of reloading and rescanning + * them on each transition. (Both of these objects contain this state.) + */ + struct ass_renderer *ass_renderer; + struct ass_library *ass_library; + + int last_dvb_step; + + 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; + struct command_ctx *command_ctx; + struct encode_lavc_context *encode_lavc_ctx; + struct lua_ctx *lua_ctx; + struct mp_nav_state *nav_state; +} MPContext; + +// audio.c +void reinit_audio_chain(struct MPContext *mpctx); +int reinit_audio_filters(struct MPContext *mpctx); +double playing_audio_pts(struct MPContext *mpctx); +int fill_audio_out_buffers(struct MPContext *mpctx, double endpts); +double written_audio_pts(struct MPContext *mpctx); +void clear_audio_output_buffers(struct MPContext *mpctx); +void clear_audio_decode_buffers(struct MPContext *mpctx); + +// configfiles.c +bool mp_parse_cfgfiles(struct MPContext *mpctx); +char *mp_get_playback_resume_config_filename(const char *fname, + struct MPOpts *opts); +void mp_load_per_protocol_config(struct m_config *conf, const char * const file); +void mp_load_per_extension_config(struct m_config *conf, const char * const file); +void mp_load_per_output_config(struct m_config *conf, char *cfg, char *out); +void mp_load_per_file_config(struct m_config *conf, const char * const file, + bool search_file_dir); +void mp_load_playback_resume(struct m_config *conf, const char *file); +void mp_write_watch_later_conf(struct MPContext *mpctx); +struct playlist_entry *mp_resume_playlist(struct playlist *playlist, + struct MPOpts *opts); + +// dvdnav.c +void mp_nav_init(struct MPContext *mpctx); +void mp_nav_reset(struct MPContext *mpctx); +void mp_nav_destroy(struct MPContext *mpctx); +void mp_nav_user_input(struct MPContext *mpctx, char *command); +void mp_handle_nav(struct MPContext *mpctx); + +// loadfile.c +void uninit_player(struct MPContext *mpctx, unsigned int mask); +struct track *mp_add_subtitles(struct MPContext *mpctx, char *filename); +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 timeline_set_part(struct MPContext *mpctx, int i, bool force); +double timeline_set_from_time(struct MPContext *mpctx, double pts, bool *need_reset); +struct sh_stream *init_demux_stream(struct MPContext *mpctx, + enum stream_type type); +void cleanup_demux_stream(struct MPContext *mpctx, enum stream_type type); +void add_demuxer_tracks(struct MPContext *mpctx, struct demuxer *demuxer); +bool mp_remove_track(struct MPContext *mpctx, struct track *track); +struct playlist_entry *mp_next_file(struct MPContext *mpctx, int direction, + bool force); +void mp_set_playlist_entry(struct MPContext *mpctx, struct playlist_entry *e); +void mp_play_files(struct MPContext *mpctx); + +// main.c +void mp_print_version(int always); + +// misc.c +double get_start_time(struct MPContext *mpctx); +double get_main_demux_pts(struct MPContext *mpctx); +double rel_time_to_abs(struct MPContext *mpctx, struct m_rel_time t, + double fallback_time); +double get_play_end_pts(struct MPContext *mpctx); +double get_relative_time(struct MPContext *mpctx); +void merge_playlist_files(struct playlist *pl); +int mp_get_cache_percent(struct MPContext *mpctx); +bool mp_get_cache_idle(struct MPContext *mpctx); +void update_window_title(struct MPContext *mpctx, bool force); +void stream_dump(struct MPContext *mpctx); + +// osd.c +void write_status_line(struct MPContext *mpctx, const char *line); +void print_status(struct MPContext *mpctx); +void set_osd_bar(struct MPContext *mpctx, int type, const char* name, + double min, double max, double val); +void set_osd_msg(struct MPContext *mpctx, int id, int level, int time, + const char* fmt, ...) PRINTF_ATTRIBUTE(5,6); +void rm_osd_msg(struct MPContext *mpctx, int id); +void set_osd_function(struct MPContext *mpctx, int osd_function); +void set_osd_subtitle(struct MPContext *mpctx, const char *text); + +// playloop.c +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_current_time(struct MPContext *mpctx); +int get_percent_pos(struct MPContext *mpctx); +double get_current_pos_ratio(struct MPContext *mpctx, bool use_range); +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 execute_queued_seek(struct MPContext *mpctx); +void run_playloop(struct MPContext *mpctx); +void idle_loop(struct MPContext *mpctx); +void handle_force_window(struct MPContext *mpctx, bool reconfig); +void add_frame_pts(struct MPContext *mpctx, double pts); + +// sub.c +void reset_subtitles(struct MPContext *mpctx); +void uninit_subs(struct demuxer *demuxer); +void reinit_subs(struct MPContext *mpctx); +void update_osd_msg(struct MPContext *mpctx); +void update_subtitles(struct MPContext *mpctx); + +// timeline/tl_matroska.c +void build_ordered_chapter_timeline(struct MPContext *mpctx); +// timeline/tl_mpv_edl.c +void build_mpv_edl_timeline(struct MPContext *mpctx); +// timeline/tl_cue.c +void build_cue_timeline(struct MPContext *mpctx); + +// video.c +int reinit_video_chain(struct MPContext *mpctx); +int reinit_video_filters(struct MPContext *mpctx); +double update_video(struct MPContext *mpctx, double endpts); +void mp_force_video_refresh(struct MPContext *mpctx); +void update_fps(struct MPContext *mpctx); +void video_execute_format_change(struct MPContext *mpctx); + +#endif /* MPLAYER_MP_CORE_H */ |