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mpv/mp_core.h

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/*
* 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 "options.h"
#include "mixer.h"
#include "sub/subreader.h"
// definitions used internally by the core player code
#define INITIALIZED_VO 1
#define INITIALIZED_AO 2
#define INITIALIZED_GETCH2 8
#define INITIALIZED_SPUDEC 32
#define INITIALIZED_STREAM 64
#define INITIALIZED_VOBSUB 256
#define INITIALIZED_DEMUXER 512
#define INITIALIZED_ACODEC 1024
#define INITIALIZED_VCODEC 2048
#define INITIALIZED_SUB 4096
#define INITIALIZED_ALL 0xFFFF
#define SUB_SOURCE_SUBS 0
#define SUB_SOURCE_VOBSUB 1
#define SUB_SOURCE_DEMUX 2
#define SUB_SOURCES 3
enum stop_play_reason {
KEEP_PLAYING = 0, // must be 0, numeric values of others do not matter
AT_END_OF_FILE,
PT_NEXT_ENTRY,
PT_PREV_ENTRY,
PT_NEXT_SRC,
PT_PREV_SRC,
PT_UP_NEXT,
PT_UP_PREV,
PT_STOP,
};
enum exit_reason {
EXIT_NONE,
EXIT_QUIT,
EXIT_EOF,
EXIT_ERROR
};
struct content_source {
struct stream *stream;
struct demuxer *demuxer;
};
struct timeline_part {
double start;
double source_start;
struct content_source *source;
};
struct chapter {
double start;
char *name;
};
typedef struct MPContext {
struct MPOpts opts;
struct m_config *mconfig;
struct vo_x11_state *x11_state;
struct mp_fifo *key_fifo;
struct input_ctx *input;
struct osd_state *osd;
struct sub_data *subdata; // current sub_data style subtitles if any
// last sub_data style sub line if any, used by log_sub() only
struct subtitle *vo_sub_last;
bool add_osd_seek_info;
// if nonzero, hide current OSD contents when GetTimerMS() reaches this
unsigned int osd_show_percentage_until;
unsigned int osd_visible;
int osd_function;
const ao_functions_t *audio_out;
struct play_tree *playtree;
struct play_tree_iter *playtree_iter;
char *filename; // currently playing file
enum stop_play_reason stop_play;
int play_tree_step;
unsigned int initialized_flags; // which subsystems have been initialized
struct content_source *sources;
int num_sources;
struct timeline_part *timeline;
int num_timeline_parts;
int timeline_part;
struct chapter *chapters;
int num_chapters;
double video_offset;
struct stream *stream;
struct demuxer *demuxer;
struct sh_audio *sh_audio;
struct sh_video *sh_video;
struct demux_stream *d_audio;
struct demux_stream *d_video;
struct demux_stream *d_sub;
mixer_t mixer;
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
float 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.
float 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;
// 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;
// used to prevent hanging in some error cases
unsigned int 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.
unsigned int 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;
float begin_skip; ///< start time of the current skip while on edlout mode
// audio is muted if either EDL or user activates mute
short edl_muted; ///< Stores whether EDL is currently in muted mode.
short user_muted; ///< Stores whether user wanted muted mode.
int global_sub_size; // this encompasses all subtitle sources
int global_sub_pos; // this encompasses all subtitle sources
int set_of_sub_pos;
int set_of_sub_size;
int sub_counts[SUB_SOURCES];
// set_of_ass_tracks[i] contains subtitles from set_of_subtitles[i]
// parsed by libass or NULL if format unsupported
struct ass_track *set_of_ass_tracks[MAX_SUBTITLE_FILES];
sub_data* set_of_subtitles[MAX_SUBTITLE_FILES];
bool track_was_native_ass[MAX_SUBTITLE_FILES];
int file_format;
int last_dvb_step;
int dvbin_reopen;
int paused;
// step this many frames, then pause
int step_frames;
// Set after showing warning about decoding being too slow for realtime
// playback rate. Used to avoid showing it multiple times.
bool drop_message_shown;
#ifdef CONFIG_DVDNAV
struct mp_image *nav_smpi; ///< last decoded dvdnav video image
unsigned char *nav_buffer; ///< last read dvdnav video frame
unsigned char *nav_start; ///< pointer to last read video buffer
int nav_in_size; ///< last read size
#endif
} MPContext;
// Most of these should not be globals
extern FILE *edl_fd;
extern int file_filter;
// These appear in options list
extern int forced_subs_only;
struct ao_data;
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);
void exit_player_with_rc(struct MPContext *mpctx, enum exit_reason how, int rc);
void add_subtitles(struct MPContext *mpctx, char *filename, float fps, int noerr);
int reinit_video_chain(struct MPContext *mpctx);
void pause_player(struct MPContext *mpctx);
void unpause_player(struct MPContext *mpctx);
void add_step_frame(struct MPContext *mpctx);
void queue_seek(struct MPContext *mpctx, enum seek_type type, double amount,
int exact);
int seek_chapter(struct MPContext *mpctx, int chapter, double *seek_pts,
char **chapter_name);
double get_time_length(struct MPContext *mpctx);
double get_current_time(struct MPContext *mpctx);
int get_percent_pos(struct MPContext *mpctx);
int get_current_chapter(struct MPContext *mpctx);
char *chapter_display_name(struct MPContext *mpctx, int chapter);
void update_subtitles(struct MPContext *mpctx, double refpts,
double sub_offset, bool reset);
#endif /* MPLAYER_MP_CORE_H */
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