/* * 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. */ #include #include #include #include #include #include #include "config.h" #include "talloc.h" #include "osdep/io.h" #include "osdep/terminal.h" #include "osdep/timer.h" #include "common/msg.h" #include "common/global.h" #include "options/path.h" #include "options/m_config.h" #include "options/parse_configfile.h" #include "common/playlist.h" #include "options/options.h" #include "options/m_property.h" #include "common/common.h" #include "common/encode.h" #include "input/input.h" #include "audio/mixer.h" #include "audio/audio.h" #include "audio/audio_buffer.h" #include "audio/decode/dec_audio.h" #include "audio/out/ao.h" #include "demux/demux.h" #include "stream/stream.h" #include "sub/dec_sub.h" #include "sub/find_subfiles.h" #include "video/decode/dec_video.h" #include "video/out/vo.h" #include "core.h" #include "command.h" #include "libmpv/client.h" static void uninit_demuxer(struct MPContext *mpctx) { assert(!mpctx->d_video && !mpctx->d_audio && !mpctx->d_sub[0] && !mpctx->d_sub[1]); for (int i = 0; i < mpctx->num_tracks; i++) { talloc_free(mpctx->tracks[i]); } mpctx->num_tracks = 0; for (int r = 0; r < NUM_PTRACKS; r++) { for (int t = 0; t < STREAM_TYPE_COUNT; t++) mpctx->current_track[r][t] = NULL; } mpctx->master_demuxer = NULL; for (int i = 0; i < mpctx->num_sources; i++) { uninit_stream_sub_decoders(mpctx->sources[i]); struct demuxer *demuxer = mpctx->sources[i]; struct stream *stream = demuxer->stream; free_demuxer(demuxer); if (stream != mpctx->stream) free_stream(stream); } talloc_free(mpctx->sources); mpctx->sources = NULL; mpctx->demuxer = NULL; mpctx->num_sources = 0; talloc_free(mpctx->timeline); mpctx->timeline = NULL; mpctx->num_timeline_parts = 0; talloc_free(mpctx->chapters); mpctx->chapters = NULL; mpctx->num_chapters = 0; mpctx->video_offset = 0; } static void uninit_stream(struct MPContext *mpctx) { free_stream(mpctx->stream); mpctx->stream = NULL; } #define APPEND(s, ...) mp_snprintf_cat(s, sizeof(s), __VA_ARGS__) static void print_stream(struct MPContext *mpctx, struct track *t) { struct sh_stream *s = t->stream; const char *tname = "?"; const char *selopt = "?"; const char *langopt = "?"; switch (t->type) { case STREAM_VIDEO: tname = "Video"; selopt = "vid"; langopt = NULL; break; case STREAM_AUDIO: tname = "Audio"; selopt = "aid"; langopt = "alang"; break; case STREAM_SUB: tname = "Subs"; selopt = "sid"; langopt = "slang"; break; } char b[2048] = {0}; APPEND(b, "[stream] %-5s %3s", tname, t->selected ? "(+)" : ""); APPEND(b, " --%s=%d", selopt, t->user_tid); if (t->lang && langopt) APPEND(b, " --%s=%s", langopt, t->lang); if (t->default_track) APPEND(b, " (*)"); if (t->attached_picture) APPEND(b, " [P]"); if (t->title) APPEND(b, " '%s'", t->title); const char *codec = s ? s->codec : NULL; APPEND(b, " (%s)", codec ? codec : ""); if (t->is_external) APPEND(b, " (external)"); MP_INFO(mpctx, "%s\n", b); } void update_demuxer_properties(struct MPContext *mpctx) { struct demuxer *demuxer = mpctx->master_demuxer; if (!demuxer) return; demux_update(demuxer); int events = demuxer->events; if ((events & DEMUX_EVENT_INIT) && demuxer->num_editions > 1) { for (int n = 0; n < demuxer->num_editions; n++) { struct demux_edition *edition = &demuxer->editions[n]; char b[128] = {0}; APPEND(b, "[edition] %3s --edition=%d", n == demuxer->edition ? "(+)" : "", n); char *name = mp_tags_get_str(edition->metadata, "title"); if (name) APPEND(b, " '%s'", name); if (edition->default_edition) APPEND(b, " (*)"); MP_INFO(mpctx, "%s\n", b); } } struct demuxer *tracks = mpctx->track_layout; if (tracks->events & DEMUX_EVENT_STREAMS) { add_demuxer_tracks(mpctx, tracks); for (int t = 0; t < STREAM_TYPE_COUNT; t++) { for (int n = 0; n < mpctx->num_tracks; n++) if (mpctx->tracks[n]->type == t) print_stream(mpctx, mpctx->tracks[n]); } tracks->events &= ~DEMUX_EVENT_STREAMS; } struct mp_tags *info = demuxer->metadata; if ((events & DEMUX_EVENT_METADATA) && info->num_keys) { MP_INFO(mpctx, "File tags:\n"); for (int n = 0; n < info->num_keys; n++) MP_INFO(mpctx, " %s: %s\n", info->keys[n], info->values[n]); mp_notify(mpctx, MPV_EVENT_METADATA_UPDATE, NULL); } demuxer->events = 0; } static bool need_init_seek(struct demuxer *demux) { for (int n = 0; n < demux->num_streams; n++) { struct sh_stream *stream = demux->streams[n]; // Subtitle streams are not properly interleaved -> force init. seek. if (stream->type != STREAM_SUB && demux_stream_is_selected(stream)) return false; } return true; } // Enable needed streams, disable others. // Note that switching all tracks at once (instead when initializing something) // can be important, because reading from a demuxer stream (e.g. during init) // will implicitly discard interleaved packets from unselected streams. // Also initializes position for external streams. void reselect_demux_streams(struct MPContext *mpctx) { // Note: we assume that all demuxer streams are covered by the track list. for (int t = 0; t < mpctx->num_tracks; t++) { struct track *track = mpctx->tracks[t]; if (track->demuxer && track->stream) { bool need_init = track->selected && mpctx->demuxer != track->demuxer && need_init_seek(track->demuxer); demuxer_select_track(track->demuxer, track->stream, track->selected); if (need_init) { double pts = get_main_demux_pts(mpctx); if (pts != MP_NOPTS_VALUE) demux_seek(track->demuxer, pts, SEEK_ABSOLUTE); } } } } static struct sh_stream *select_fallback_stream(struct demuxer *d, enum stream_type type, int index) { struct sh_stream *best_stream = NULL; for (int n = 0; n < d->num_streams; n++) { struct sh_stream *s = d->streams[n]; if (s->type == type) { best_stream = s; if (index == 0) break; index -= 1; } } return best_stream; } // Called from the demuxer thread if a new packet is available. static void wakeup_demux(void *pctx) { struct MPContext *mpctx = pctx; mp_input_wakeup(mpctx->input); } static void enable_demux_thread(struct MPContext *mpctx) { if (mpctx->demuxer && mpctx->opts->demuxer_thread) { demux_set_wakeup_cb(mpctx->demuxer, wakeup_demux, mpctx); demux_start_thread(mpctx->demuxer); } } bool timeline_set_part(struct MPContext *mpctx, int i, bool force) { struct timeline_part *p = mpctx->timeline + mpctx->timeline_part; struct timeline_part *n = mpctx->timeline + i; mpctx->timeline_part = i; mpctx->video_offset = n->start - n->source_start; if (n->source == p->source && !force) return false; enum stop_play_reason orig_stop_play = mpctx->stop_play; if (!mpctx->d_video && mpctx->stop_play == KEEP_PLAYING) mpctx->stop_play = AT_END_OF_FILE; // let audio uninit drain data uninit_audio_chain(mpctx); uninit_video_chain(mpctx); uninit_sub_all(mpctx); if (!mpctx->opts->fixed_vo) uninit_video_out(mpctx); if (!mpctx->opts->gapless_audio) uninit_audio_out(mpctx); mpctx->stop_play = orig_stop_play; if (mpctx->demuxer) { demux_stop_thread(mpctx->demuxer); demux_flush(mpctx->demuxer); } mpctx->demuxer = n->source; mpctx->stream = mpctx->demuxer->stream; // While another timeline was active, the selection of active tracks might // have been changed - possibly we need to update this source. for (int x = 0; x < mpctx->num_tracks; x++) { struct track *track = mpctx->tracks[x]; if (track->under_timeline) { track->demuxer = mpctx->demuxer; track->stream = demuxer_stream_by_demuxer_id(track->demuxer, track->type, track->demuxer_id); // EDL can have mismatched files in the same timeline if (!track->stream) { track->stream = select_fallback_stream(track->demuxer, track->type, track->user_tid - 1); } } } reselect_demux_streams(mpctx); enable_demux_thread(mpctx); return true; } // Given pts, switch playback to the corresponding part. // Return offset within that part. double timeline_set_from_time(struct MPContext *mpctx, double pts, bool *need_reset) { if (pts < 0) pts = 0; for (int i = 0; i < mpctx->num_timeline_parts; i++) { struct timeline_part *p = mpctx->timeline + i; if (pts < (p + 1)->start) { *need_reset = timeline_set_part(mpctx, i, false); return pts - p->start + p->source_start; } } return MP_NOPTS_VALUE; } static int find_new_tid(struct MPContext *mpctx, enum stream_type t) { int new_id = 0; for (int i = 0; i < mpctx->num_tracks; i++) { struct track *track = mpctx->tracks[i]; if (track->type == t) new_id = MPMAX(new_id, track->user_tid); } return new_id + 1; } static struct track *add_stream_track(struct MPContext *mpctx, struct demuxer *demuxer, struct sh_stream *stream, bool under_timeline) { for (int i = 0; i < mpctx->num_tracks; i++) { struct track *track = mpctx->tracks[i]; if (track->original_stream == stream) return track; } struct track *track = talloc_ptrtype(NULL, track); *track = (struct track) { .type = stream->type, .user_tid = find_new_tid(mpctx, stream->type), .demuxer_id = stream->demuxer_id, .ff_index = stream->ff_index, .title = stream->title, .default_track = stream->default_track, .attached_picture = stream->attached_picture != NULL, .lang = stream->lang, .under_timeline = under_timeline, .demuxer = demuxer, .stream = stream, .original_stream = stream, }; MP_TARRAY_APPEND(mpctx, mpctx->tracks, mpctx->num_tracks, track); demuxer_select_track(track->demuxer, stream, false); mp_notify(mpctx, MPV_EVENT_TRACKS_CHANGED, NULL); return track; } void add_demuxer_tracks(struct MPContext *mpctx, struct demuxer *demuxer) { for (int n = 0; n < demuxer->num_streams; n++) add_stream_track(mpctx, demuxer, demuxer->streams[n], !!mpctx->timeline); } // Result numerically higher => better match. 0 == no match. static int match_lang(char **langs, char *lang) { for (int idx = 0; langs && langs[idx]; idx++) { if (lang && strcmp(langs[idx], lang) == 0) return INT_MAX - idx; } return 0; } /* Get the track wanted by the user. * tid is the track ID requested by the user (-2: deselect, -1: default) * lang is a string list, NULL is same as empty list * Sort tracks based on the following criteria, and pick the first: * 0a) track matches ff-index (always wins) * 0b) track matches tid (almost always wins) * 1) track is external (no_default cancels this) * 1b) track was passed explicitly (is not an auto-loaded subtitle) * 2) earlier match in lang list * 3) track is marked default * 4) attached picture, HLS bitrate * 5) lower track number * If select_fallback is not set, 5) is only used to determine whether a * matching track is preferred over another track. Otherwise, always pick a * track (if nothing else matches, return the track with lowest ID). */ // Return whether t1 is preferred over t2 static bool compare_track(struct track *t1, struct track *t2, char **langs, struct MPOpts *opts) { bool ext1 = t1->is_external && !t1->no_default; bool ext2 = t2->is_external && !t2->no_default; if (ext1 != ext2) return ext1; if (t1->auto_loaded != t2->auto_loaded) return !t1->auto_loaded; int l1 = match_lang(langs, t1->lang), l2 = match_lang(langs, t2->lang); if (l1 != l2) return l1 > l2; if (t1->default_track != t2->default_track) return t1->default_track; if (t1->attached_picture != t2->attached_picture) return !t1->attached_picture; if (t1->stream && t2->stream && opts->hls_bitrate) { int d = t1->stream->hls_bitrate - t2->stream->hls_bitrate; if (d) return opts->hls_bitrate == 1 ? d < 0 : d > 0; } return t1->user_tid <= t2->user_tid; } static struct track *select_track(struct MPContext *mpctx, enum stream_type type, int tid, int ffid, char **langs) { if (ffid != -1) tid = -1; // prefer selecting ffid if (tid == -2 || ffid == -2) return NULL; bool select_fallback = type == STREAM_VIDEO || type == STREAM_AUDIO; struct track *pick = NULL; for (int n = 0; n < mpctx->num_tracks; n++) { struct track *track = mpctx->tracks[n]; if (track->type != type) continue; if (track->user_tid == tid) return track; if (track->ff_index == ffid) return track; if (!pick || compare_track(track, pick, langs, mpctx->opts)) pick = track; } if (pick && !select_fallback && !(pick->is_external && !pick->no_default) && !match_lang(langs, pick->lang) && !pick->default_track) pick = NULL; if (pick && pick->attached_picture && !mpctx->opts->audio_display) pick = NULL; return pick; } static char *track_layout_hash(struct MPContext *mpctx) { char *h = talloc_strdup(NULL, ""); for (int type = 0; type < STREAM_TYPE_COUNT; type++) { for (int n = 0; n < mpctx->num_tracks; n++) { struct track *track = mpctx->tracks[n]; if (track->type != type) continue; h = talloc_asprintf_append_buffer(h, "%d-%d-%d-%d-%s\n", type, track->user_tid, track->default_track, track->is_external, track->lang ? track->lang : ""); } } return h; } // Normally, video/audio/sub track selection is persistent across files. This // code resets track selection if the new file has a different track layout. static void check_previous_track_selection(struct MPContext *mpctx) { struct MPOpts *opts = mpctx->opts; if (!mpctx->track_layout_hash) return; char *h = track_layout_hash(mpctx); if (strcmp(h, mpctx->track_layout_hash) != 0) { // Reset selection, but only if they're not "auto" or "off". if (opts->video_id >= 0) mpctx->opts->video_id = -1; if (opts->audio_id >= 0) mpctx->opts->audio_id = -1; if (opts->sub_id >= 0) mpctx->opts->sub_id = -1; if (opts->sub2_id >= 0) mpctx->opts->sub2_id = -2; talloc_free(mpctx->track_layout_hash); mpctx->track_layout_hash = NULL; } talloc_free(h); } void mp_switch_track_n(struct MPContext *mpctx, int order, enum stream_type type, struct track *track) { assert(!track || track->type == type); assert(order >= 0 && order < NUM_PTRACKS); struct track *current = mpctx->current_track[order][type]; if (track == current) return; if (track && track->selected) { // Track has been selected in a different order parameter. MP_ERR(mpctx, "Track %d is already selected.\n", track->user_tid); return; } if (order == 0) { if (type == STREAM_VIDEO) { uninit_video_chain(mpctx); if (!mpctx->opts->fixed_vo || !track) handle_force_window(mpctx, false); } else if (type == STREAM_AUDIO) { clear_audio_output_buffers(mpctx); uninit_audio_chain(mpctx); uninit_audio_out(mpctx); } else if (type == STREAM_SUB) { uninit_sub(mpctx, 0); } } else if (order == 1) { if (type == STREAM_SUB) uninit_sub(mpctx, 1); } if (current) current->selected = false; reselect_demux_streams(mpctx); mpctx->current_track[order][type] = track; if (track) track->selected = true; reselect_demux_streams(mpctx); if (type == STREAM_VIDEO && order == 0) { reinit_video_chain(mpctx); } else if (type == STREAM_AUDIO && order == 0) { reinit_audio_chain(mpctx); } else if (type == STREAM_SUB && order >= 0 && order <= 2) { reinit_subs(mpctx, order); } mp_notify(mpctx, MPV_EVENT_TRACK_SWITCHED, NULL); osd_changed_all(mpctx->osd); talloc_free(mpctx->track_layout_hash); mpctx->track_layout_hash = talloc_steal(mpctx, track_layout_hash(mpctx)); } void mp_switch_track(struct MPContext *mpctx, enum stream_type type, struct track *track) { mp_switch_track_n(mpctx, 0, type, track); } void mp_deselect_track(struct MPContext *mpctx, struct track *track) { if (track && track->selected) { for (int t = 0; t < NUM_PTRACKS; t++) mp_switch_track_n(mpctx, t, track->type, NULL); } } // Mark the current track selection as explicitly user-requested. (This is // different from auto-selection or disabling a track due to errors.) void mp_mark_user_track_selection(struct MPContext *mpctx, int order, enum stream_type type) { struct track *track = mpctx->current_track[order][type]; int user_tid = track ? track->user_tid : -2; if (type == STREAM_VIDEO && order == 0) { mpctx->opts->video_id = user_tid; } else if (type == STREAM_AUDIO && order == 0) { mpctx->opts->audio_id = user_tid; } else if (type == STREAM_SUB && order == 0) { mpctx->opts->sub_id = user_tid; } else if (type == STREAM_SUB && order == 1) { mpctx->opts->sub2_id = user_tid; } } struct track *mp_track_by_tid(struct MPContext *mpctx, enum stream_type type, int tid) { if (tid == -1) return mpctx->current_track[0][type]; for (int n = 0; n < mpctx->num_tracks; n++) { struct track *track = mpctx->tracks[n]; if (track->type == type && track->user_tid == tid) return track; } return NULL; } bool mp_remove_track(struct MPContext *mpctx, struct track *track) { if (track->under_timeline) return false; if (!track->is_external) return false; mp_deselect_track(mpctx, track); if (track->selected) return false; int index = 0; while (index < mpctx->num_tracks && mpctx->tracks[index] != track) index++; assert(index < mpctx->num_tracks); while (index + 1 < mpctx->num_tracks) { mpctx->tracks[index] = mpctx->tracks[index + 1]; index++; } mpctx->num_tracks--; talloc_free(track); mp_notify(mpctx, MPV_EVENT_TRACKS_CHANGED, NULL); return true; } static void open_subtitles_from_options(struct MPContext *mpctx) { if (mpctx->opts->sub_name) { for (int i = 0; mpctx->opts->sub_name[i] != NULL; ++i) mp_add_subtitles(mpctx, mpctx->opts->sub_name[i]); } if (mpctx->opts->sub_auto >= 0) { // auto load sub file ... void *tmp = talloc_new(NULL); char *base_filename = mpctx->filename; char *stream_filename = NULL; if (mpctx->demuxer) { if (demux_stream_control(mpctx->demuxer, STREAM_CTRL_GET_BASE_FILENAME, &stream_filename) > 0) base_filename = talloc_steal(tmp, stream_filename); } struct subfn *list = find_text_subtitles(mpctx->global, base_filename); talloc_steal(tmp, list); for (int i = 0; list && list[i].fname; i++) { char *filename = list[i].fname; char *lang = list[i].lang; for (int n = 0; n < mpctx->num_sources; n++) { if (strcmp(mpctx->sources[n]->stream->url, filename) == 0) goto skip; } struct track *track = mp_add_subtitles(mpctx, filename); if (track) { track->auto_loaded = true; if (!track->lang) track->lang = talloc_strdup(track, lang); } skip:; } talloc_free(tmp); } } static struct track *open_external_file(struct MPContext *mpctx, char *filename, char *demuxer_name, enum stream_type filter) { struct MPOpts *opts = mpctx->opts; if (!filename) return NULL; char *disp_filename = filename; if (strncmp(disp_filename, "memory://", 9) == 0) disp_filename = "memory://"; // avoid noise struct stream *stream = stream_open(filename, mpctx->global); if (!stream) goto err_out; if (filter != STREAM_SUB) stream_enable_cache(&stream, &opts->stream_cache); struct demuxer_params params = { .expect_subtitle = filter == STREAM_SUB, }; struct demuxer *demuxer = demux_open(stream, demuxer_name, ¶ms, mpctx->global); if (!demuxer) { free_stream(stream); goto err_out; } struct track *first = NULL; for (int n = 0; n < demuxer->num_streams; n++) { struct sh_stream *sh = demuxer->streams[n]; if (sh->type == filter) { struct track *t = add_stream_track(mpctx, demuxer, sh, false); t->is_external = true; t->title = talloc_strdup(t, mp_basename(disp_filename)); t->external_filename = talloc_strdup(t, filename); first = t; } } if (!first) { free_demuxer(demuxer); free_stream(stream); MP_WARN(mpctx, "No streams added from file %s.\n", disp_filename); goto err_out; } MP_TARRAY_APPEND(NULL, mpctx->sources, mpctx->num_sources, demuxer); return first; err_out: MP_ERR(mpctx, "Can not open external file %s.\n", disp_filename); return false; } static void open_audiofiles_from_options(struct MPContext *mpctx) { struct MPOpts *opts = mpctx->opts; for (int n = 0; opts->audio_files && opts->audio_files[n]; n++) { open_external_file(mpctx, opts->audio_files[n], opts->audio_demuxer_name, STREAM_AUDIO); } } struct track *mp_add_subtitles(struct MPContext *mpctx, char *filename) { struct MPOpts *opts = mpctx->opts; return open_external_file(mpctx, filename, opts->sub_demuxer_name, STREAM_SUB); } // Replace the current playlist entry with playlist contents. Moves the entries // from the given playlist pl, so the entries don't actually need to be copied. static void transfer_playlist(struct MPContext *mpctx, struct playlist *pl) { if (pl->first) { struct playlist_entry *new = mp_check_playlist_resume(mpctx, pl); playlist_transfer_entries(mpctx->playlist, pl); // current entry is replaced if (mpctx->playlist->current) playlist_remove(mpctx->playlist, mpctx->playlist->current); if (new) mpctx->playlist->current = new; } else { MP_WARN(mpctx, "Empty playlist!\n"); } } static int process_open_hooks(struct MPContext *mpctx) { mp_hook_run(mpctx, NULL, "on_load"); while (!mp_hook_test_completion(mpctx, "on_load")) { mp_idle(mpctx); if (mpctx->stop_play) { // Can't exit immediately, the script would interfere with the // next file being loaded. if (mpctx->stop_play == PT_QUIT) return -1; } } return 0; } static void print_timeline(struct MPContext *mpctx) { if (mpctx->timeline) { int part_count = mpctx->num_timeline_parts; MP_VERBOSE(mpctx, "Timeline contains %d parts from %d " "sources. Total length %.3f seconds.\n", part_count, mpctx->num_sources, mpctx->timeline[part_count].start); MP_VERBOSE(mpctx, "Source files:\n"); for (int i = 0; i < mpctx->num_sources; i++) MP_VERBOSE(mpctx, "%d: %s\n", i, mpctx->sources[i]->filename); MP_VERBOSE(mpctx, "Timeline parts: (number, start, " "source_start, source):\n"); for (int i = 0; i < part_count; i++) { struct timeline_part *p = mpctx->timeline + i; MP_VERBOSE(mpctx, "%3d %9.3f %9.3f %p/%s\n", i, p->start, p->source_start, p->source, p->source->filename); } MP_VERBOSE(mpctx, "END %9.3f\n", mpctx->timeline[part_count].start); } } static void load_chapters(struct MPContext *mpctx) { if (!mpctx->chapters && mpctx->master_demuxer && mpctx->master_demuxer->num_chapters) { int count = mpctx->master_demuxer->num_chapters; mpctx->chapters = talloc_array(NULL, struct chapter, count); mpctx->num_chapters = count; for (int n = 0; n < count; n++) { struct demux_chapter *dchapter = &mpctx->master_demuxer->chapters[n]; mpctx->chapters[n] = (struct chapter){ .start = dchapter->start / 1e9, .name = talloc_strdup(mpctx->chapters, dchapter->name), }; } } } static void load_per_file_options(m_config_t *conf, struct playlist_param *params, int params_count) { for (int n = 0; n < params_count; n++) { m_config_set_option_ext(conf, params[n].name, params[n].value, M_SETOPT_BACKUP); } } struct stream_open_args { struct mp_cancel *cancel; struct mpv_global *global; // contains copy of global options char *filename; int stream_flags; struct stream *stream; // result }; static void open_stream_thread(void *pctx) { struct stream_open_args *args = pctx; args->stream = stream_create(args->filename, args->stream_flags, args->cancel, args->global); } static struct stream *open_stream_async(struct MPContext *mpctx, char *filename, int stream_flags) { struct stream_open_args args = { .cancel = mpctx->playback_abort, .global = create_sub_global(mpctx), .filename = filename, .stream_flags = stream_flags, }; mpctx_run_non_blocking(mpctx, open_stream_thread, &args); if (args.stream) { talloc_steal(args.stream, args.global); } else { talloc_free(args.global); } return args.stream; } struct demux_open_args { struct stream *stream; struct demuxer *demux; // result }; static void open_demux_thread(void *pctx) { struct demux_open_args *args = pctx; struct stream *s = args->stream; struct mpv_global *global = s->global; // they run in the same thread anyway args->demux = demux_open(s, global->opts->demuxer_name, NULL, global); } static struct demuxer *open_demux_async(struct MPContext *mpctx, struct stream *stream) { struct demux_open_args args = {stream}; mpctx_run_non_blocking(mpctx, open_demux_thread, &args); return args.demux; } // Start playing the current playlist entry. // Handle initialization and deinitialization. static void play_current_file(struct MPContext *mpctx) { struct MPOpts *opts = mpctx->opts; void *tmp = talloc_new(NULL); double playback_start = -1e100; mp_notify(mpctx, MPV_EVENT_START_FILE, NULL); mp_cancel_reset(mpctx->playback_abort); mpctx->stop_play = 0; mpctx->filename = NULL; mpctx->shown_aframes = 0; mpctx->shown_vframes = 0; mpctx->last_vo_pts = MP_NOPTS_VALUE; mpctx->last_chapter_seek = -2; mpctx->last_chapter_pts = MP_NOPTS_VALUE; mpctx->last_chapter = -2; mpctx->paused = false; mpctx->paused_for_cache = false; mpctx->playing_msg_shown = false; mpctx->step_frames = 0; mpctx->backstep_active = false; mpctx->audio_delay = 0; mpctx->max_frames = -1; mpctx->seek = (struct seek_params){ 0 }; reset_playback_state(mpctx); mpctx->playing = mpctx->playlist->current; if (!mpctx->playing || !mpctx->playing->filename) goto terminate_playback; mpctx->playing->reserved += 1; mpctx->filename = talloc_strdup(tmp, mpctx->playing->filename); mpctx->stream_open_filename = mpctx->filename; mpctx->add_osd_seek_info &= OSD_SEEK_INFO_EDITION; if (opts->reset_options) { for (int n = 0; opts->reset_options[n]; n++) { const char *opt = opts->reset_options[n]; if (opt[0]) { if (strcmp(opt, "all") == 0) { m_config_backup_all_opts(mpctx->mconfig); } else { m_config_backup_opt(mpctx->mconfig, opt); } } } } mp_load_auto_profiles(mpctx); if (opts->position_resume) mp_load_playback_resume(mpctx, mpctx->filename); load_per_file_options(mpctx->mconfig, mpctx->playing->params, mpctx->playing->num_params); mpctx->audio_delay = opts->audio_delay; mpctx->max_frames = opts->play_frames; MP_INFO(mpctx, "Playing: %s\n", mpctx->filename); assert(mpctx->stream == NULL); assert(mpctx->demuxer == NULL); assert(mpctx->d_audio == NULL); assert(mpctx->d_video == NULL); assert(mpctx->d_sub[0] == NULL); assert(mpctx->d_sub[1] == NULL); if (process_open_hooks(mpctx) < 0) goto terminate_playback; int stream_flags = STREAM_READ; if (!opts->load_unsafe_playlists) stream_flags |= mpctx->playing->stream_flags; mpctx->stream = open_stream_async(mpctx, mpctx->stream_open_filename, stream_flags); if (!mpctx->stream) goto terminate_playback; if (opts->stream_dump && opts->stream_dump[0]) { stream_dump(mpctx); goto terminate_playback; } // Must be called before enabling cache. mp_nav_init(mpctx); stream_enable_cache(&mpctx->stream, &opts->stream_cache); mp_process_input(mpctx); if (mpctx->stop_play) goto terminate_playback; stream_set_capture_file(mpctx->stream, opts->stream_capture); goto_reopen_demuxer: ; mp_nav_reset(mpctx); mpctx->demuxer = open_demux_async(mpctx, mpctx->stream); if (!mpctx->demuxer) { MP_ERR(mpctx, "Failed to recognize file format.\n"); goto terminate_playback; } mpctx->master_demuxer = mpctx->demuxer; MP_TARRAY_APPEND(NULL, mpctx->sources, mpctx->num_sources, mpctx->demuxer); if (mpctx->demuxer->playlist) { int entry_stream_flags = (mpctx->demuxer->stream->safe_origin ? 0 : STREAM_SAFE_ONLY) | (mpctx->demuxer->stream->is_network ? STREAM_NETWORK_ONLY : 0); struct playlist *pl = mpctx->demuxer->playlist; for (struct playlist_entry *e = pl->first; e; e = e->next) e->stream_flags |= entry_stream_flags; transfer_playlist(mpctx, pl); goto terminate_playback; } if (mpctx->demuxer->matroska_data.ordered_chapters) build_ordered_chapter_timeline(mpctx); if (mpctx->demuxer->type == DEMUXER_TYPE_EDL) build_mpv_edl_timeline(mpctx); if (mpctx->demuxer->type == DEMUXER_TYPE_CUE) build_cue_timeline(mpctx); print_timeline(mpctx); load_chapters(mpctx); mpctx->track_layout = mpctx->demuxer; if (mpctx->timeline) { // With Matroska, the "master" file usually dictates track layout etc. // On the contrary, the EDL and CUE demuxers are empty wrappers, as // well as Matroska ordered chapter playlist-like files. mpctx->track_layout = mpctx->timeline[0].source; for (int n = 0; n < mpctx->num_timeline_parts; n++) { if (mpctx->timeline[n].source == mpctx->demuxer) { mpctx->track_layout = mpctx->demuxer; break; } } } add_demuxer_tracks(mpctx, mpctx->track_layout); mpctx->timeline_part = 0; if (mpctx->timeline) timeline_set_part(mpctx, mpctx->timeline_part, true); open_subtitles_from_options(mpctx); open_audiofiles_from_options(mpctx); check_previous_track_selection(mpctx); mpctx->current_track[0][STREAM_VIDEO] = select_track(mpctx, STREAM_VIDEO, opts->video_id, opts->video_id_ff, NULL); mpctx->current_track[0][STREAM_AUDIO] = select_track(mpctx, STREAM_AUDIO, opts->audio_id, opts->audio_id_ff, opts->audio_lang); mpctx->current_track[0][STREAM_SUB] = select_track(mpctx, STREAM_SUB, opts->sub_id, opts->sub_id_ff, opts->sub_lang); mpctx->current_track[1][STREAM_SUB] = select_track(mpctx, STREAM_SUB, opts->sub2_id, -2, NULL); for (int t = 0; t < STREAM_TYPE_COUNT; t++) { for (int i = 0; i < NUM_PTRACKS; i++) { struct track *track = mpctx->current_track[i][t]; if (track) { if (track->selected) { MP_ERR(mpctx, "Track %d can't be selected twice.\n", track->user_tid); mpctx->current_track[i][t] = NULL; } else { track->selected = true; } } } } reselect_demux_streams(mpctx); update_demuxer_properties(mpctx); enable_demux_thread(mpctx); if (mpctx->current_track[0][STREAM_VIDEO] && mpctx->current_track[0][STREAM_VIDEO]->attached_picture) { MP_INFO(mpctx, "Displaying attached picture. Use --no-audio-display to prevent this.\n"); } init_sub_renderer(mpctx); #if HAVE_ENCODING if (mpctx->encode_lavc_ctx && mpctx->current_track[0][STREAM_VIDEO]) encode_lavc_expect_stream(mpctx->encode_lavc_ctx, AVMEDIA_TYPE_VIDEO); if (mpctx->encode_lavc_ctx && mpctx->current_track[0][STREAM_AUDIO]) encode_lavc_expect_stream(mpctx->encode_lavc_ctx, AVMEDIA_TYPE_AUDIO); if (mpctx->encode_lavc_ctx) { encode_lavc_set_metadata(mpctx->encode_lavc_ctx, mpctx->demuxer->metadata); } #endif reinit_video_chain(mpctx); reinit_audio_chain(mpctx); reinit_subs(mpctx, 0); reinit_subs(mpctx, 1); //==================== START PLAYING ======================= if (!mpctx->d_video && !mpctx->d_audio) { struct demuxer *d = mpctx->demuxer; MP_FATAL(mpctx, "No video or audio streams selected.\n"); if (d->stream->uncached_type == STREAMTYPE_DVB) { int dir = mpctx->last_dvb_step; if (demux_stream_control(d, STREAM_CTRL_DVB_STEP_CHANNEL, &dir) > 0) mpctx->stop_play = PT_RELOAD_DEMUXER; } goto terminate_playback; } MP_VERBOSE(mpctx, "Starting playback...\n"); if (mpctx->max_frames == 0) { mpctx->stop_play = PT_NEXT_ENTRY; goto terminate_playback; } // If there's a timeline force an absolute seek to initialize state double startpos = rel_time_to_abs(mpctx, opts->play_start); if (startpos == MP_NOPTS_VALUE && opts->chapterrange[0] > 0) { double start = chapter_start_time(mpctx, opts->chapterrange[0] - 1); if (start != MP_NOPTS_VALUE) startpos = start; } if (startpos == MP_NOPTS_VALUE && mpctx->timeline) startpos = 0; if (startpos != MP_NOPTS_VALUE) { queue_seek(mpctx, MPSEEK_ABSOLUTE, startpos, 0, true); execute_queued_seek(mpctx); } get_relative_time(mpctx); // reset current delta if (mpctx->opts->pause) pause_player(mpctx); mpctx->playback_initialized = true; mp_notify(mpctx, MPV_EVENT_FILE_LOADED, NULL); playback_start = mp_time_sec(); mpctx->error_playing = false; while (!mpctx->stop_play) run_playloop(mpctx); MP_VERBOSE(mpctx, "EOF code: %d \n", mpctx->stop_play); if (mpctx->stop_play == PT_RELOAD_DEMUXER) { mpctx->stop_play = KEEP_PLAYING; mpctx->playback_initialized = false; uninit_audio_chain(mpctx); uninit_video_chain(mpctx); uninit_sub_all(mpctx); uninit_demuxer(mpctx); goto goto_reopen_demuxer; } terminate_playback: mp_nav_destroy(mpctx); if (mpctx->stop_play == KEEP_PLAYING) mpctx->stop_play = AT_END_OF_FILE; if (mpctx->stop_play != AT_END_OF_FILE) clear_audio_output_buffers(mpctx); if (mpctx->step_frames) opts->pause = 1; mp_cancel_trigger(mpctx->playback_abort); MP_INFO(mpctx, "\n"); // time to uninit all, except global stuff: uninit_audio_chain(mpctx); uninit_video_chain(mpctx); uninit_sub_all(mpctx); uninit_sub_renderer(mpctx); uninit_demuxer(mpctx); uninit_stream(mpctx); if (!opts->fixed_vo) uninit_video_out(mpctx); if (!opts->gapless_audio && !mpctx->encode_lavc_ctx) uninit_audio_out(mpctx); if (mpctx->stop_play != PT_RESTART) m_config_restore_backups(mpctx->mconfig); mpctx->playback_initialized = false; if (mpctx->playing && mpctx->stop_play == AT_END_OF_FILE) { // Played/paused for longer than 1 second -> ok mpctx->playing->playback_short = playback_start < 0 || mp_time_sec() - playback_start < 1.0; mpctx->playing->init_failed = mpctx->shown_aframes == 0 && mpctx->shown_vframes == 0; } mp_notify(mpctx, MPV_EVENT_TRACKS_CHANGED, NULL); struct mpv_event_end_file end_event = {0}; switch (mpctx->stop_play) { case AT_END_OF_FILE: end_event.reason = 0; break; case PT_RESTART: case PT_RELOAD_DEMUXER: end_event.reason = 1; break; case PT_NEXT_ENTRY: case PT_CURRENT_ENTRY: case PT_STOP: end_event.reason = 2; break; case PT_QUIT: end_event.reason = 3; break; default: end_event.reason = -1; break; }; mp_notify(mpctx, MPV_EVENT_END_FILE, &end_event); if (mpctx->playing) playlist_entry_unref(mpctx->playing); mpctx->playing = NULL; mpctx->filename = NULL; mpctx->stream_open_filename = NULL; talloc_free(tmp); } // Determine the next file to play. Note that if this function returns non-NULL, // it can have side-effects and mutate mpctx. // direction: -1 (previous) or +1 (next) // force: if true, don't skip playlist entries marked as failed struct playlist_entry *mp_next_file(struct MPContext *mpctx, int direction, bool force) { struct playlist_entry *next = playlist_get_next(mpctx->playlist, direction); if (next && direction < 0 && !force) { // Don't jump to files that would immediately go to next file anyway while (next && next->playback_short) next = next->prev; // Always allow jumping to first file if (!next && mpctx->opts->loop_times < 0) next = mpctx->playlist->first; } if (!next && mpctx->opts->loop_times >= 0) { if (direction > 0) { if (mpctx->opts->shuffle) playlist_shuffle(mpctx->playlist); next = mpctx->playlist->first; if (next && mpctx->opts->loop_times > 1) { mpctx->opts->loop_times--; if (mpctx->opts->loop_times == 1) mpctx->opts->loop_times = -1; } } else { next = mpctx->playlist->last; // Don't jump to files that would immediately go to next file anyway while (next && next->playback_short) next = next->prev; } if (!force && next && next->init_failed) { // Don't endless loop if no file in playlist is playable bool all_failed = true; struct playlist_entry *cur; for (cur = mpctx->playlist->first; cur; cur = cur->next) { all_failed &= cur->init_failed; if (!all_failed) break; } if (all_failed) next = NULL; } } return next; } // Play all entries on the playlist, starting from the current entry. // Return if all done. void mp_play_files(struct MPContext *mpctx) { mpctx->quit_player_rc = EXIT_NONE; for (;;) { idle_loop(mpctx); if (mpctx->stop_play == PT_QUIT) break; mpctx->error_playing = true; play_current_file(mpctx); if (mpctx->error_playing) { if (!mpctx->quit_player_rc) { mpctx->quit_player_rc = EXIT_NOTPLAYED; } else if (mpctx->quit_player_rc == EXIT_PLAYED) { mpctx->quit_player_rc = EXIT_SOMENOTPLAYED; } } else if (mpctx->quit_player_rc == EXIT_NOTPLAYED) { mpctx->quit_player_rc = EXIT_SOMENOTPLAYED; } else { mpctx->quit_player_rc = EXIT_PLAYED; } if (mpctx->stop_play == PT_QUIT) break; if (!mpctx->stop_play || mpctx->stop_play == AT_END_OF_FILE) mpctx->stop_play = PT_NEXT_ENTRY; struct playlist_entry *new_entry = NULL; if (mpctx->stop_play == PT_NEXT_ENTRY) { new_entry = mp_next_file(mpctx, +1, false); } else { new_entry = mpctx->playlist->current; } mpctx->playlist->current = new_entry; mpctx->playlist->current_was_replaced = false; mpctx->stop_play = 0; if (!mpctx->playlist->current && !mpctx->opts->player_idle_mode) break; } } // Abort current playback and set the given entry to play next. // e must be on the mpctx->playlist. void mp_set_playlist_entry(struct MPContext *mpctx, struct playlist_entry *e) { assert(playlist_entry_to_index(mpctx->playlist, e) >= 0); mpctx->playlist->current = e; mpctx->playlist->current_was_replaced = false; mpctx->stop_play = PT_CURRENT_ENTRY; }