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Diffstat (limited to 'core/mp_core.h')
| -rw-r--r-- | core/mp_core.h | 305 |
1 files changed, 305 insertions, 0 deletions
diff --git a/core/mp_core.h b/core/mp_core.h new file mode 100644 index 0000000000..99ce12b033 --- /dev/null +++ b/core/mp_core.h @@ -0,0 +1,305 @@ +/* + * 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" +#include "sub/find_subfiles.h" +#include "libmpdemux/demuxer.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, // 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; + char *lang; + + // If this track is from an external file (e.g. subtitle file). + bool is_external; + + // 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; + + // External text subtitle using non-libass subtitle renderer. + struct sub_data *subdata; + + // External image subtitle (data is in vo_vobsub). 0 if not set. + int vobsub_id_plus_one; +}; + +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; + subtitle subs; // subtitle list used when reading subtitles from demuxer + + int add_osd_seek_info; // bitfield of enum mp_osd_seek_info + unsigned int osd_visible; + + int osd_function; + 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 + 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; + double last_seek_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 + + struct ass_library *ass_library; + + 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; + + 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); +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); +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); +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); + +// 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 */ |