/* * 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 "config.h" #include "talloc.h" #include "common/msg.h" #include "options/options.h" #include "common/common.h" #include "common/encode.h" #include "options/m_property.h" #include "common/playlist.h" #include "input/input.h" #include "misc/dispatch.h" #include "osdep/terminal.h" #include "osdep/timer.h" #include "audio/mixer.h" #include "audio/decode/dec_audio.h" #include "audio/filter/af.h" #include "audio/out/ao.h" #include "demux/demux.h" #include "stream/stream.h" #include "sub/osd.h" #include "video/filter/vf.h" #include "video/decode/dec_video.h" #include "video/out/vo.h" #include "core.h" #include "client.h" #include "command.h" // Wait until mp_input_wakeup(mpctx->input) is called, since the last time // mp_wait_events() was called. (But see mp_process_input().) void mp_wait_events(struct MPContext *mpctx, double sleeptime) { mp_input_wait(mpctx->input, sleeptime); } // Process any queued input, whether it's user input, or requests from client // API threads. This also resets the "wakeup" flag used with mp_wait_events(). void mp_process_input(struct MPContext *mpctx) { mp_dispatch_queue_process(mpctx->dispatch, 0); for (;;) { mp_cmd_t *cmd = mp_input_read_cmd(mpctx->input); if (!cmd) break; run_command(mpctx, cmd); mp_cmd_free(cmd); mp_dispatch_queue_process(mpctx->dispatch, 0); } } void pause_player(struct MPContext *mpctx) { mpctx->opts->pause = 1; if (mpctx->video_out) vo_control(mpctx->video_out, VOCTRL_RESTORE_SCREENSAVER, NULL); if (mpctx->paused) goto end; mpctx->paused = true; mpctx->step_frames = 0; mpctx->time_frame -= get_relative_time(mpctx); mpctx->osd_function = 0; mpctx->osd_force_update = true; mpctx->paused_for_cache = false; if (mpctx->ao && mpctx->d_audio) ao_pause(mpctx->ao); if (mpctx->video_out) vo_set_paused(mpctx->video_out, true); end: mp_notify(mpctx, mpctx->opts->pause ? MPV_EVENT_PAUSE : MPV_EVENT_UNPAUSE, 0); } void unpause_player(struct MPContext *mpctx) { mpctx->opts->pause = 0; if (mpctx->video_out && mpctx->opts->stop_screensaver) vo_control(mpctx->video_out, VOCTRL_KILL_SCREENSAVER, NULL); if (!mpctx->paused) goto end; // Don't actually unpause while cache is loading. if (mpctx->paused_for_cache) goto end; mpctx->paused = false; mpctx->osd_function = 0; mpctx->osd_force_update = true; if (mpctx->ao && mpctx->d_audio) ao_resume(mpctx->ao); if (mpctx->video_out) vo_set_paused(mpctx->video_out, false); (void)get_relative_time(mpctx); // ignore time that passed during pause end: mp_notify(mpctx, mpctx->opts->pause ? MPV_EVENT_PAUSE : MPV_EVENT_UNPAUSE, 0); } void add_step_frame(struct MPContext *mpctx, int dir) { if (!mpctx->d_video) return; if (dir > 0) { mpctx->step_frames += 1; unpause_player(mpctx); } else if (dir < 0) { if (!mpctx->backstep_active && !mpctx->hrseek_active) { mpctx->backstep_active = true; mpctx->backstep_start_seek_ts = mpctx->vo_pts_history_seek_ts; pause_player(mpctx); } } } // Clear some playback-related fields on file loading or after seeks. void reset_playback_state(struct MPContext *mpctx) { reset_video_state(mpctx); reset_audio_state(mpctx); reset_subtitle_state(mpctx); mpctx->hrseek_active = false; mpctx->hrseek_framedrop = false; mpctx->playback_pts = MP_NOPTS_VALUE; mpctx->last_seek_pts = MP_NOPTS_VALUE; mpctx->cache_wait_time = 0; mpctx->restart_complete = false; #if HAVE_ENCODING encode_lavc_discontinuity(mpctx->encode_lavc_ctx); #endif } // return -1 if seek failed (non-seekable stream?), 0 otherwise static int mp_seek(MPContext *mpctx, struct seek_params seek, bool timeline_fallthrough) { struct MPOpts *opts = mpctx->opts; uint64_t prev_seek_ts = mpctx->vo_pts_history_seek_ts; if (!mpctx->demuxer) return -1; if (!mpctx->demuxer->seekable) { MP_ERR(mpctx, "Can't seek in this file.\n"); return -1; } if (mpctx->stop_play == AT_END_OF_FILE) mpctx->stop_play = KEEP_PLAYING; double hr_seek_offset = opts->hr_seek_demuxer_offset; bool hr_seek_very_exact = seek.exact > 1; // Always try to compensate for possibly bad demuxers in "special" // situations where we need more robustness from the hr-seek code, even // if the user doesn't use --hr-seek-demuxer-offset. // The value is arbitrary, but should be "good enough" in most situations. if (hr_seek_very_exact) hr_seek_offset = MPMAX(hr_seek_offset, 0.5); // arbitrary bool hr_seek = opts->correct_pts && seek.exact >= 0; hr_seek &= (opts->hr_seek == 0 && seek.type == MPSEEK_ABSOLUTE) || opts->hr_seek > 0 || seek.exact > 0; if (seek.type == MPSEEK_FACTOR || seek.amount < 0 || (seek.type == MPSEEK_ABSOLUTE && seek.amount < mpctx->last_chapter_pts)) mpctx->last_chapter_seek = -2; if (seek.type == MPSEEK_FACTOR && !mpctx->demuxer->ts_resets_possible) { double len = get_time_length(mpctx); if (len >= 0) { seek.amount = seek.amount * len + get_start_time(mpctx); seek.type = MPSEEK_ABSOLUTE; } } int direction = 0; if (seek.type == MPSEEK_RELATIVE) { seek.type = MPSEEK_ABSOLUTE; direction = seek.amount > 0 ? 1 : -1; seek.amount += get_current_time(mpctx); } hr_seek &= seek.type == MPSEEK_ABSOLUTE; // otherwise, no target PTS known double demuxer_amount = seek.amount; if (mpctx->timeline) { bool need_reset = false; demuxer_amount = timeline_set_from_time(mpctx, seek.amount, &need_reset); if (demuxer_amount == MP_NOPTS_VALUE) { assert(!need_reset); mpctx->stop_play = AT_END_OF_FILE; // When seeking outside of the file, but not when ending last segment. if (!timeline_fallthrough) { clear_audio_output_buffers(mpctx); reset_playback_state(mpctx); } return -1; } if (need_reset) { reinit_video_chain(mpctx); reinit_audio_chain(mpctx); reinit_subs(mpctx, 0); reinit_subs(mpctx, 1); } } int demuxer_style = 0; switch (seek.type) { case MPSEEK_FACTOR: demuxer_style |= SEEK_ABSOLUTE | SEEK_FACTOR; break; case MPSEEK_ABSOLUTE: demuxer_style |= SEEK_ABSOLUTE; break; } if (hr_seek || direction < 0) demuxer_style |= SEEK_BACKWARD; else if (direction > 0) demuxer_style |= SEEK_FORWARD; if (hr_seek || opts->mkv_subtitle_preroll) demuxer_style |= SEEK_SUBPREROLL; if (hr_seek) demuxer_amount -= hr_seek_offset; demux_seek(mpctx->demuxer, demuxer_amount, demuxer_style); // Seek external, extra files too: for (int t = 0; t < mpctx->num_tracks; t++) { struct track *track = mpctx->tracks[t]; if (track->selected && track->is_external && track->demuxer) { double main_new_pos = seek.amount; if (seek.type != MPSEEK_ABSOLUTE) main_new_pos = get_main_demux_pts(mpctx); main_new_pos -= get_track_video_offset(mpctx, track); demux_seek(track->demuxer, main_new_pos, SEEK_ABSOLUTE | SEEK_BACKWARD); } } if (!timeline_fallthrough) clear_audio_output_buffers(mpctx); reset_playback_state(mpctx); if (timeline_fallthrough) { // Important if video reinit happens. mpctx->vo_pts_history_seek_ts = prev_seek_ts; } else { mpctx->vo_pts_history_seek_ts++; mpctx->backstep_active = false; } /* Use the target time as "current position" for further relative * seeks etc until a new video frame has been decoded */ if (seek.type == MPSEEK_ABSOLUTE) mpctx->last_seek_pts = seek.amount; // The hr_seek==false case is for skipping frames with PTS before the // current timeline chapter start. It's not really known where the demuxer // level seek will end up, so the hrseek mechanism is abused to skip all // frames before chapter start by setting hrseek_pts to the chapter start. // It does nothing when the seek is inside of the current chapter, and // seeking past the chapter is handled elsewhere. if (hr_seek || mpctx->timeline) { mpctx->hrseek_active = true; mpctx->hrseek_framedrop = !hr_seek_very_exact; mpctx->hrseek_pts = hr_seek ? seek.amount : mpctx->timeline[mpctx->timeline_part].start; } mpctx->start_timestamp = mp_time_sec(); mpctx->sleeptime = 0; mp_notify(mpctx, MPV_EVENT_SEEK, NULL); mp_notify(mpctx, MPV_EVENT_TICK, NULL); return 0; } // This combines consecutive seek requests. void queue_seek(struct MPContext *mpctx, enum seek_type type, double amount, int exact, bool immediate) { struct seek_params *seek = &mpctx->seek; switch (type) { case MPSEEK_RELATIVE: seek->immediate |= immediate; if (seek->type == MPSEEK_FACTOR) return; // Well... not common enough to bother doing better seek->amount += amount; seek->exact = MPMAX(seek->exact, exact); if (seek->type == MPSEEK_NONE) seek->exact = exact; if (seek->type == MPSEEK_ABSOLUTE) return; if (seek->amount == 0) { *seek = (struct seek_params){ 0 }; return; } seek->type = MPSEEK_RELATIVE; return; case MPSEEK_ABSOLUTE: case MPSEEK_FACTOR: *seek = (struct seek_params) { .type = type, .amount = amount, .exact = exact, .immediate = immediate, }; return; case MPSEEK_NONE: *seek = (struct seek_params){ 0 }; return; } abort(); } void execute_queued_seek(struct MPContext *mpctx) { if (mpctx->seek.type) { // Let explicitly imprecise seeks cancel precise seeks: if (mpctx->hrseek_active && mpctx->seek.exact < 0) mpctx->start_timestamp = -1e9; /* If the user seeks continuously (keeps arrow key down) * try to finish showing a frame from one location before doing * another seek (which could lead to unchanging display). */ if (!mpctx->seek.immediate && mpctx->video_status < STATUS_READY && mp_time_sec() - mpctx->start_timestamp < 0.3) return; mp_seek(mpctx, mpctx->seek, false); mpctx->seek = (struct seek_params){0}; } } // -1 if unknown double get_time_length(struct MPContext *mpctx) { struct demuxer *demuxer = mpctx->demuxer; if (!demuxer) return -1; if (mpctx->timeline) return mpctx->timeline[mpctx->num_timeline_parts].start; double len = demuxer_get_time_length(demuxer); if (len >= 0) return len; return -1; // unknown } /* If there are timestamps from stream level then use those (for example * DVDs can have consistent times there while the MPEG-level timestamps * reset). */ double get_current_time(struct MPContext *mpctx) { struct demuxer *demuxer = mpctx->demuxer; if (!demuxer) return 0; if (mpctx->playback_pts != MP_NOPTS_VALUE) return mpctx->playback_pts; if (mpctx->last_seek_pts != MP_NOPTS_VALUE) return mpctx->last_seek_pts; return 0; } double get_playback_time(struct MPContext *mpctx) { double cur = get_current_time(mpctx); double start = get_start_time(mpctx); return cur >= start ? cur - start : cur; } // Return playback position in 0.0-1.0 ratio, or -1 if unknown. double get_current_pos_ratio(struct MPContext *mpctx, bool use_range) { struct demuxer *demuxer = mpctx->demuxer; if (!demuxer) return -1; double ans = -1; double start = get_start_time(mpctx); double len = get_time_length(mpctx); if (use_range) { double startpos = rel_time_to_abs(mpctx, mpctx->opts->play_start); double endpos = get_play_end_pts(mpctx); if (endpos == MP_NOPTS_VALUE || endpos > start + MPMAX(0, len)) endpos = start + MPMAX(0, len); if (startpos == MP_NOPTS_VALUE || startpos < start) startpos = start; if (endpos < startpos) endpos = startpos; start = startpos; len = endpos - startpos; } double pos = get_current_time(mpctx); if (len > 0 && !demuxer->ts_resets_possible) { ans = MPCLAMP((pos - start) / len, 0, 1); } else { int64_t size; if (demux_stream_control(demuxer, STREAM_CTRL_GET_SIZE, &size) > 0) { if (size > 0 && demuxer->filepos >= 0) ans = MPCLAMP(demuxer->filepos / (double)size, 0, 1); } } if (use_range) { if (mpctx->opts->play_frames > 0) ans = MPMAX(ans, 1.0 - mpctx->max_frames / (double) mpctx->opts->play_frames); } return ans; } int get_percent_pos(struct MPContext *mpctx) { int pos = get_current_pos_ratio(mpctx, false) * 100; return MPCLAMP(pos, 0, 100); } // -2 is no chapters, -1 is before first chapter int get_current_chapter(struct MPContext *mpctx) { if (!mpctx->num_chapters) return -2; double current_pts = get_current_time(mpctx); int i; for (i = 0; i < mpctx->num_chapters; i++) if (current_pts < mpctx->chapters[i].pts) break; return MPMAX(mpctx->last_chapter_seek, i - 1); } char *chapter_display_name(struct MPContext *mpctx, int chapter) { char *name = chapter_name(mpctx, chapter); char *dname = NULL; if (name) { dname = talloc_asprintf(NULL, "(%d) %s", chapter + 1, name); } else if (chapter < -1) { dname = talloc_strdup(NULL, "(unavailable)"); } else { int chapter_count = get_chapter_count(mpctx); if (chapter_count <= 0) dname = talloc_asprintf(NULL, "(%d)", chapter + 1); else dname = talloc_asprintf(NULL, "(%d) of %d", chapter + 1, chapter_count); } talloc_free(name); return dname; } // returns NULL if chapter name unavailable char *chapter_name(struct MPContext *mpctx, int chapter) { if (chapter < 0 || chapter >= mpctx->num_chapters) return NULL; return talloc_strdup(NULL, mpctx->chapters[chapter].name); } // returns the start of the chapter in seconds (-1 if unavailable) double chapter_start_time(struct MPContext *mpctx, int chapter) { if (chapter == -1) return get_start_time(mpctx); if (chapter >= 0 && chapter < mpctx->num_chapters) return mpctx->chapters[chapter].pts; return MP_NOPTS_VALUE; } int get_chapter_count(struct MPContext *mpctx) { return mpctx->num_chapters; } // Seek to a given chapter. Queues the seek. bool mp_seek_chapter(struct MPContext *mpctx, int chapter) { int num = get_chapter_count(mpctx); if (num == 0) return false; if (chapter < -1 || chapter >= num) return false; mpctx->last_chapter_seek = -2; double pts = chapter_start_time(mpctx, chapter); if (pts == MP_NOPTS_VALUE) return false; queue_seek(mpctx, MPSEEK_ABSOLUTE, pts, 0, true); mpctx->last_chapter_seek = chapter; mpctx->last_chapter_pts = pts; return true; } static void handle_osd_redraw(struct MPContext *mpctx) { if (!mpctx->video_out || !mpctx->video_out->config_ok) return; // If we're playing normally, let OSD be redrawn naturally as part of // video display. if (!mpctx->paused) { if (mpctx->sleeptime < 0.1 && mpctx->video_status == STATUS_PLAYING) return; } // Don't redraw immediately during a seek (makes it significantly slower). if (mpctx->d_video && mp_time_sec() - mpctx->start_timestamp < 0.1) { mpctx->sleeptime = MPMIN(mpctx->sleeptime, 0.1); return; } bool want_redraw = osd_query_and_reset_want_redraw(mpctx->osd) || vo_want_redraw(mpctx->video_out); if (!want_redraw) return; vo_redraw(mpctx->video_out); mpctx->sleeptime = 0; } static void handle_pause_on_low_cache(struct MPContext *mpctx) { struct MPOpts *opts = mpctx->opts; if (!mpctx->demuxer) return; int idle = -1; demux_stream_control(mpctx->demuxer, STREAM_CTRL_GET_CACHE_IDLE, &idle); struct demux_ctrl_reader_state s = {.idle = true, .ts_duration = -1}; demux_control(mpctx->demuxer, DEMUXER_CTRL_GET_READER_STATE, &s); if (mpctx->restart_complete && idle != -1) { if (mpctx->paused && mpctx->paused_for_cache) { if (!opts->cache_pausing || s.ts_duration >= mpctx->cache_wait_time || s.idle) { double elapsed_time = mp_time_sec() - mpctx->cache_stop_time; if (elapsed_time > mpctx->cache_wait_time) { mpctx->cache_wait_time *= 1.5 + 0.1; } else { mpctx->cache_wait_time /= 1.5 - 0.1; } mpctx->paused_for_cache = false; if (!opts->pause) unpause_player(mpctx); mp_notify(mpctx, MP_EVENT_CACHE_UPDATE, NULL); } mpctx->sleeptime = MPMIN(mpctx->sleeptime, 0.2); } else { if (opts->cache_pausing && s.underrun) { bool prev_paused_user = opts->pause; pause_player(mpctx); mpctx->paused_for_cache = true; opts->pause = prev_paused_user; mpctx->cache_stop_time = mp_time_sec(); mp_notify(mpctx, MP_EVENT_CACHE_UPDATE, NULL); } } mpctx->cache_wait_time = MPCLAMP(mpctx->cache_wait_time, 1, 10); } // Also update cache properties. bool busy = idle == 0; if (!s.idle) { busy |= idle != -1; busy |= mp_client_event_is_registered(mpctx, MP_EVENT_CACHE_UPDATE); } if (busy || mpctx->next_cache_update > 0) { double now = mp_time_sec(); if (mpctx->next_cache_update <= now) { mpctx->next_cache_update = busy ? now + 0.25 : 0; mp_notify(mpctx, MP_EVENT_CACHE_UPDATE, NULL); } if (mpctx->next_cache_update > 0) { mpctx->sleeptime = MPMIN(mpctx->sleeptime, mpctx->next_cache_update - now); } } } double get_cache_buffering_percentage(struct MPContext *mpctx) { if (mpctx->demuxer && mpctx->paused_for_cache && mpctx->cache_wait_time > 0) { struct demux_ctrl_reader_state s = {.idle = true, .ts_duration = -1}; demux_control(mpctx->demuxer, DEMUXER_CTRL_GET_READER_STATE, &s); if (s.ts_duration < 0) s.ts_duration = 0; return MPCLAMP(s.ts_duration / mpctx->cache_wait_time, 0.0, 1.0); } if (mpctx->demuxer && !mpctx->paused_for_cache) return 1.0; return -1; } static void handle_heartbeat_cmd(struct MPContext *mpctx) { struct MPOpts *opts = mpctx->opts; if (opts->heartbeat_cmd && !mpctx->paused && mpctx->video_out) { double now = mp_time_sec(); if (mpctx->next_heartbeat <= now) { mpctx->next_heartbeat = now + opts->heartbeat_interval; system(opts->heartbeat_cmd); } mpctx->sleeptime = MPMIN(mpctx->sleeptime, mpctx->next_heartbeat - now); } } static void handle_cursor_autohide(struct MPContext *mpctx) { struct MPOpts *opts = mpctx->opts; struct vo *vo = mpctx->video_out; if (!vo) return; bool mouse_cursor_visible = mpctx->mouse_cursor_visible; double now = mp_time_sec(); unsigned mouse_event_ts = mp_input_get_mouse_event_counter(mpctx->input); if (mpctx->mouse_event_ts != mouse_event_ts) { mpctx->mouse_event_ts = mouse_event_ts; mpctx->mouse_timer = now + opts->cursor_autohide_delay / 1000.0; mouse_cursor_visible = true; } if (mpctx->mouse_timer > now) { mpctx->sleeptime = MPMIN(mpctx->sleeptime, mpctx->mouse_timer - now); } else { mouse_cursor_visible = false; } if (opts->cursor_autohide_delay == -1) mouse_cursor_visible = true; if (opts->cursor_autohide_delay == -2) mouse_cursor_visible = false; if (opts->cursor_autohide_fs && !opts->vo.fullscreen) mouse_cursor_visible = true; if (mouse_cursor_visible != mpctx->mouse_cursor_visible) vo_control(vo, VOCTRL_SET_CURSOR_VISIBILITY, &mouse_cursor_visible); mpctx->mouse_cursor_visible = mouse_cursor_visible; } static void handle_vo_events(struct MPContext *mpctx) { struct vo *vo = mpctx->video_out; int events = vo ? vo_query_and_reset_events(vo, VO_EVENTS_USER) : 0; if (events & VO_EVENT_RESIZE) mp_notify(mpctx, MP_EVENT_WIN_RESIZE, NULL); if (events & VO_EVENT_WIN_STATE) mp_notify(mpctx, MP_EVENT_WIN_STATE, NULL); } void add_frame_pts(struct MPContext *mpctx, double pts) { if (pts == MP_NOPTS_VALUE || mpctx->hrseek_framedrop) { mpctx->vo_pts_history_seek_ts++; // mark discontinuity return; } if (mpctx->vo_pts_history_pts[0] == pts) // may be called multiple times return; for (int n = MAX_NUM_VO_PTS - 1; n >= 1; n--) { mpctx->vo_pts_history_seek[n] = mpctx->vo_pts_history_seek[n - 1]; mpctx->vo_pts_history_pts[n] = mpctx->vo_pts_history_pts[n - 1]; } mpctx->vo_pts_history_seek[0] = mpctx->vo_pts_history_seek_ts; mpctx->vo_pts_history_pts[0] = pts; } static double find_previous_pts(struct MPContext *mpctx, double pts) { for (int n = 0; n < MAX_NUM_VO_PTS - 1; n++) { if (pts == mpctx->vo_pts_history_pts[n] && mpctx->vo_pts_history_seek[n] != 0 && mpctx->vo_pts_history_seek[n] == mpctx->vo_pts_history_seek[n + 1]) { return mpctx->vo_pts_history_pts[n + 1]; } } return MP_NOPTS_VALUE; } static double get_last_frame_pts(struct MPContext *mpctx) { if (mpctx->vo_pts_history_seek[0] == mpctx->vo_pts_history_seek_ts) return mpctx->vo_pts_history_pts[0]; return MP_NOPTS_VALUE; } static void handle_backstep(struct MPContext *mpctx) { if (!mpctx->backstep_active) return; double current_pts = mpctx->last_vo_pts; mpctx->backstep_active = false; if (mpctx->d_video && current_pts != MP_NOPTS_VALUE) { double seek_pts = find_previous_pts(mpctx, current_pts); if (seek_pts != MP_NOPTS_VALUE) { queue_seek(mpctx, MPSEEK_ABSOLUTE, seek_pts, 2, true); } else { double last = get_last_frame_pts(mpctx); if (last != MP_NOPTS_VALUE && last >= current_pts && mpctx->backstep_start_seek_ts != mpctx->vo_pts_history_seek_ts) { MP_ERR(mpctx, "Backstep failed.\n"); queue_seek(mpctx, MPSEEK_ABSOLUTE, current_pts, 2, true); } else if (!mpctx->hrseek_active) { MP_VERBOSE(mpctx, "Start backstep indexing.\n"); // Force it to index the video up until current_pts. // The whole point is getting frames _before_ that PTS, // so apply an arbitrary offset. (In theory the offset // has to be large enough to reach the previous frame.) mp_seek(mpctx, (struct seek_params){ .type = MPSEEK_ABSOLUTE, .amount = current_pts - 1.0, }, false); // Don't leave hr-seek mode. If all goes right, hr-seek // mode is cancelled as soon as the frame before // current_pts is found during hr-seeking. // Note that current_pts should be part of the index, // otherwise we can't find the previous frame, so set the // seek target an arbitrary amount of time after it. if (mpctx->hrseek_active) { mpctx->hrseek_pts = current_pts + 10.0; mpctx->hrseek_framedrop = false; mpctx->backstep_active = true; } } else { mpctx->backstep_active = true; } } } } static void handle_sstep(struct MPContext *mpctx) { struct MPOpts *opts = mpctx->opts; if (mpctx->stop_play || !mpctx->restart_complete) return; if (opts->step_sec > 0 && !mpctx->paused) { set_osd_function(mpctx, OSD_FFW); queue_seek(mpctx, MPSEEK_RELATIVE, opts->step_sec, 0, true); } if (mpctx->video_status >= STATUS_EOF) { if (mpctx->max_frames >= 0) mpctx->stop_play = AT_END_OF_FILE; // force EOF even if audio left if (mpctx->step_frames > 0 && !mpctx->paused) pause_player(mpctx); } } static void handle_loop_file(struct MPContext *mpctx) { struct MPOpts *opts = mpctx->opts; if (opts->loop_file && mpctx->stop_play == AT_END_OF_FILE) { mpctx->stop_play = KEEP_PLAYING; set_osd_function(mpctx, OSD_FFW); queue_seek(mpctx, MPSEEK_ABSOLUTE, get_start_time(mpctx), 0, true); if (opts->loop_file > 0) opts->loop_file--; } } static void handle_keep_open(struct MPContext *mpctx) { struct MPOpts *opts = mpctx->opts; if (opts->keep_open && mpctx->stop_play == AT_END_OF_FILE && !playlist_get_next(mpctx->playlist, 1) && opts->loop_times < 0) { mpctx->stop_play = KEEP_PLAYING; if (mpctx->d_video) mpctx->playback_pts = mpctx->last_vo_pts; if (!mpctx->opts->pause) pause_player(mpctx); } } static void handle_chapter_change(struct MPContext *mpctx) { int chapter = get_current_chapter(mpctx); if (chapter != mpctx->last_chapter) { mpctx->last_chapter = chapter; mp_notify(mpctx, MPV_EVENT_CHAPTER_CHANGE, NULL); } } // Execute a forceful refresh of the VO window, if it hasn't had a valid frame // for a while. The problem is that a VO with no valid frame (vo->hasframe==0) // doesn't redraw video and doesn't OSD interaction. So screw it, hard. // It also closes the VO if force_window or video display is not active. void handle_force_window(struct MPContext *mpctx, bool reconfig) { // Don't interfere with real video playback if (mpctx->d_video) return; if (!mpctx->opts->force_vo && mpctx->video_out) uninit_video_out(mpctx); if (mpctx->video_out && (!mpctx->video_out->config_ok || reconfig)) { struct vo *vo = mpctx->video_out; MP_INFO(mpctx, "Creating non-video VO window.\n"); // Pick whatever works int config_format = 0; for (int fmt = IMGFMT_START; fmt < IMGFMT_END; fmt++) { if (vo_query_format(vo, fmt)) { config_format = fmt; break; } } int w = 960; int h = 480; struct mp_image_params p = { .imgfmt = config_format, .w = w, .h = h, .d_w = w, .d_h = h, }; if (vo_reconfig(vo, &p, 0) < 0) { mpctx->opts->force_vo = 0; uninit_video_out(mpctx); return; } vo_control(vo, VOCTRL_RESTORE_SCREENSAVER, NULL); vo_set_paused(vo, true); vo_redraw(vo); mp_notify(mpctx, MPV_EVENT_VIDEO_RECONFIG, NULL); } } // Potentially needed by some Lua scripts, which assume TICK always comes. static void handle_dummy_ticks(struct MPContext *mpctx) { if (mpctx->video_status == STATUS_EOF || mpctx->paused) { if (mp_time_sec() - mpctx->last_idle_tick > 0.5) { mpctx->last_idle_tick = mp_time_sec(); mp_notify(mpctx, MPV_EVENT_TICK, NULL); } } } void run_playloop(struct MPContext *mpctx) { struct MPOpts *opts = mpctx->opts; double endpts = get_play_end_pts(mpctx); bool end_is_new_segment = false; #if HAVE_ENCODING if (encode_lavc_didfail(mpctx->encode_lavc_ctx)) { mpctx->stop_play = PT_QUIT; return; } #endif update_demuxer_properties(mpctx); if (mpctx->timeline) { double end = mpctx->timeline[mpctx->timeline_part + 1].start; if (endpts == MP_NOPTS_VALUE || end < endpts) { end_is_new_segment = true; endpts = end; } } handle_cursor_autohide(mpctx); handle_vo_events(mpctx); handle_heartbeat_cmd(mpctx); fill_audio_out_buffers(mpctx, endpts); write_video(mpctx, endpts); // We always make sure audio and video buffers are filled before actually // starting playback. This code handles starting them at the same time. if (mpctx->audio_status >= STATUS_READY && mpctx->video_status >= STATUS_READY) { if (mpctx->video_status == STATUS_READY) { mpctx->video_status = STATUS_PLAYING; get_relative_time(mpctx); mpctx->sleeptime = 0; } if (mpctx->audio_status == STATUS_READY) fill_audio_out_buffers(mpctx, endpts); // actually play prepared buffer if (!mpctx->restart_complete) { mpctx->hrseek_active = false; mp_notify(mpctx, MPV_EVENT_PLAYBACK_RESTART, NULL); mpctx->restart_complete = true; if (!mpctx->playing_msg_shown) { if (opts->playing_msg) { char *msg = mp_property_expand_escaped_string(mpctx, opts->playing_msg); MP_INFO(mpctx, "%s\n", msg); talloc_free(msg); } if (opts->osd_playing_msg) { char *msg = mp_property_expand_escaped_string(mpctx, opts->osd_playing_msg); set_osd_msg(mpctx, 1, opts->osd_duration, "%s", msg); talloc_free(msg); } } mpctx->playing_msg_shown = true; } } if (mpctx->video_status == STATUS_EOF && mpctx->audio_status >= STATUS_PLAYING && mpctx->audio_status < STATUS_EOF) { mpctx->playback_pts = playing_audio_pts(mpctx); } handle_dummy_ticks(mpctx); update_osd_msg(mpctx); update_subtitles(mpctx); /* Don't quit while paused and we're displaying the last video frame. On the * other hand, if we don't have a video frame, then the user probably seeked * outside of the video, and we do want to quit. */ bool prevent_eof = mpctx->paused && mpctx->video_out && vo_has_frame(mpctx->video_out); /* Handles terminating on end of playback (or switching to next segment). * * It's possible for the user to simultaneously switch both audio * and video streams to "disabled" at runtime. Handle this by waiting * rather than immediately stopping playback due to EOF. */ if ((mpctx->d_audio || mpctx->d_video) && !prevent_eof && mpctx->audio_status == STATUS_EOF && mpctx->video_status == STATUS_EOF) { if (end_is_new_segment) { mp_seek(mpctx, (struct seek_params){ .type = MPSEEK_ABSOLUTE, .amount = mpctx->timeline[mpctx->timeline_part+1].start }, true); } else mpctx->stop_play = AT_END_OF_FILE; } mp_handle_nav(mpctx); handle_loop_file(mpctx); handle_keep_open(mpctx); handle_sstep(mpctx); if (mpctx->stop_play) return; handle_osd_redraw(mpctx); mp_wait_events(mpctx, mpctx->sleeptime); mpctx->sleeptime = 100.0; // infinite for all practical purposes handle_pause_on_low_cache(mpctx); mp_process_input(mpctx); handle_backstep(mpctx); handle_chapter_change(mpctx); handle_force_window(mpctx, false); execute_queued_seek(mpctx); } void mp_idle(struct MPContext *mpctx) { handle_dummy_ticks(mpctx); mp_wait_events(mpctx, mpctx->sleeptime); mpctx->sleeptime = 100.0; mp_process_input(mpctx); handle_cursor_autohide(mpctx); handle_vo_events(mpctx); update_osd_msg(mpctx); handle_osd_redraw(mpctx); } // Waiting for the slave master to send us a new file to play. void idle_loop(struct MPContext *mpctx) { // ================= idle loop (STOP state) ========================= bool need_reinit = true; while (mpctx->opts->player_idle_mode && !mpctx->playlist->current && mpctx->stop_play != PT_QUIT) { if (need_reinit) { mp_notify(mpctx, MPV_EVENT_IDLE, NULL); uninit_audio_out(mpctx); handle_force_window(mpctx, true); mpctx->sleeptime = 0; need_reinit = false; } mp_idle(mpctx); } }