mirror of https://github.com/mpv-player/mpv
438 lines
15 KiB
C
438 lines
15 KiB
C
/*
|
|
* 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 "compat/compiler.h"
|
|
#include "mpvcore/options.h"
|
|
#include "demux/demux.h"
|
|
|
|
// definitions used internally by the core player code
|
|
|
|
#define INITIALIZED_VO 1
|
|
#define INITIALIZED_AO 2
|
|
#define INITIALIZED_GETCH2 8
|
|
#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_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;
|
|
|
|
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 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;
|
|
|
|
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;
|
|
// 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;
|
|
// Used to determine whether the video filter chain was rebuilt.
|
|
long last_vf_reconfig_count;
|
|
|
|
// 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 (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 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;
|
|
struct command_ctx *command_ctx;
|
|
struct encode_lavc_context *encode_lavc_ctx;
|
|
struct lua_ctx *lua_ctx;
|
|
} 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);
|
|
|
|
// 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);
|
|
|
|
// 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);
|
|
void 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);
|
|
int mp_get_cache_percent(struct MPContext *mpctx);
|
|
bool mp_get_cache_idle(struct MPContext *mpctx);
|
|
void update_vo_window_title(struct MPContext *mpctx);
|
|
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 set_osd_tmsg(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_edl.c
|
|
void build_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);
|
|
|
|
#endif /* MPLAYER_MP_CORE_H */
|