From e44911142914783c9ec717f329bd9b6a8bb9b70e Mon Sep 17 00:00:00 2001 From: wm4 Date: Tue, 17 Dec 2013 00:53:22 +0100 Subject: Move mpvcore/player/ to player/ --- player/playloop.c | 1343 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 1343 insertions(+) create mode 100644 player/playloop.c (limited to 'player/playloop.c') diff --git a/player/playloop.c b/player/playloop.c new file mode 100644 index 0000000000..dbc87a7ec6 --- /dev/null +++ b/player/playloop.c @@ -0,0 +1,1343 @@ +/* + * 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 "mpvcore/mp_msg.h" +#include "mpvcore/options.h" +#include "mpvcore/mp_common.h" +#include "mpvcore/encode.h" +#include "mpvcore/m_property.h" +#include "mpvcore/playlist.h" +#include "mpvcore/input/input.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 "mp_core.h" +#include "screenshot.h" +#include "command.h" + +#define WAKEUP_PERIOD 0.5 + +static const char av_desync_help_text[] = _( +"\n\n" +" *************************************************\n" +" **** Audio/Video desynchronisation detected! ****\n" +" *************************************************\n\n" +"This means either the audio or the video is played too slowly.\n" +"Possible reasons, problems, workarounds:\n" +"- Your system is simply too slow for this file.\n" +" Transcode it to a lower bitrate file with tools like HandBrake.\n" +"- Broken/buggy _audio_ driver.\n" +" Experiment with different values for --autosync, 30 is a good start.\n" +" If you have PulseAudio, try --ao=alsa .\n" +"- Slow video output.\n" +" Try a different -vo driver (-vo help for a list) or try -framedrop!\n" +"- Playing a video file with --vo=opengl with higher FPS than the monitor.\n" +" This is due to vsync limiting the framerate.\n" +"- Playing from a slow network source.\n" +" Download the file instead.\n" +"- Try to find out whether audio or video is causing this by experimenting\n" +" with --no-video and --no-audio.\n" +"- If you swiched audio or video tracks, try seeking to force synchronization.\n" +"If none of this helps you, file a bug report.\n\n"); + + +void pause_player(struct MPContext *mpctx) +{ + mp_notify_property(mpctx, "pause"); + + mpctx->opts->pause = 1; + + if (mpctx->video_out) + vo_control(mpctx->video_out, VOCTRL_RESTORE_SCREENSAVER, NULL); + + if (mpctx->paused) + return; + mpctx->paused = true; + mpctx->step_frames = 0; + mpctx->time_frame -= get_relative_time(mpctx); + mpctx->osd_function = 0; + mpctx->paused_for_cache = false; + + if (mpctx->video_out && mpctx->d_video && mpctx->video_out->config_ok) + vo_control(mpctx->video_out, VOCTRL_PAUSE, NULL); + + if (mpctx->ao && mpctx->d_audio) + ao_pause(mpctx->ao); // pause audio, keep data if possible + + // Only print status if there's actually a file being played. + if (mpctx->num_sources) + print_status(mpctx); + + if (!mpctx->opts->quiet) + mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_PAUSED\n"); +} + +void unpause_player(struct MPContext *mpctx) +{ + mp_notify_property(mpctx, "pause"); + + mpctx->opts->pause = 0; + + if (mpctx->video_out && mpctx->opts->stop_screensaver) + vo_control(mpctx->video_out, VOCTRL_KILL_SCREENSAVER, NULL); + + if (!mpctx->paused) + return; + // Don't actually unpause while cache is loading. + if (mpctx->paused_for_cache) + return; + mpctx->paused = false; + mpctx->osd_function = 0; + + if (mpctx->ao && mpctx->d_audio) + ao_resume(mpctx->ao); + if (mpctx->video_out && mpctx->d_video && mpctx->video_out->config_ok) + vo_control(mpctx->video_out, VOCTRL_RESUME, NULL); // resume video + (void)get_relative_time(mpctx); // ignore time that passed during pause +} + +static void draw_osd(struct MPContext *mpctx) +{ + struct vo *vo = mpctx->video_out; + + mpctx->osd->vo_pts = mpctx->video_pts; + vo_draw_osd(vo, mpctx->osd); +} + +static bool redraw_osd(struct MPContext *mpctx) +{ + struct vo *vo = mpctx->video_out; + if (vo_redraw_frame(vo) < 0) + return false; + + draw_osd(mpctx); + + vo_flip_page(vo, 0, -1); + return true; +} + +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); + } + } +} + +static void seek_reset(struct MPContext *mpctx, bool reset_ao) +{ + if (mpctx->d_video) { + video_reset_decoding(mpctx->d_video); + vo_seek_reset(mpctx->video_out); + } + + if (mpctx->d_audio) { + audio_reset_decoding(mpctx->d_audio); + if (reset_ao) + clear_audio_output_buffers(mpctx); + } + + reset_subtitles(mpctx); + + mpctx->video_pts = MP_NOPTS_VALUE; + mpctx->video_next_pts = MP_NOPTS_VALUE; + mpctx->playing_last_frame = false; + mpctx->last_frame_duration = 0; + mpctx->delay = 0; + mpctx->time_frame = 0; + mpctx->restart_playback = true; + mpctx->hrseek_active = false; + mpctx->hrseek_framedrop = false; + mpctx->total_avsync_change = 0; + mpctx->drop_frame_cnt = 0; + mpctx->dropped_frames = 0; + mpctx->playback_pts = MP_NOPTS_VALUE; + +#if HAVE_ENCODING + encode_lavc_discontinuity(mpctx->encode_lavc_ctx); +#endif +} + +// return -1 if seek failed (non-seekable stream?), 0 otherwise +// timeline_fallthrough: true if used to explicitly switch timeline - in this +// case, don't drop buffered AO audio data, so that +// timeline segment transition is seemless +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; + // 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 (seek.exact > 1) + hr_seek_offset = MPMAX(hr_seek_offset, 0.5); // arbitrary + + bool hr_seek = mpctx->demuxer->accurate_seek && opts->correct_pts; + hr_seek &= seek.exact >= 0 && seek.type != MPSEEK_FACTOR; + 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) { + double len = get_time_length(mpctx); + if (len > 0 && !mpctx->demuxer->ts_resets_possible) { + seek.amount = seek.amount * len + get_start_time(mpctx); + seek.type = MPSEEK_ABSOLUTE; + } + } + if ((mpctx->demuxer->accurate_seek || mpctx->timeline) + && seek.type == MPSEEK_RELATIVE) { + seek.type = MPSEEK_ABSOLUTE; + seek.direction = seek.amount > 0 ? 1 : -1; + seek.amount += get_current_time(mpctx); + } + + bool need_reset = false; + double demuxer_amount = seek.amount; + if (mpctx->timeline) { + demuxer_amount = timeline_set_from_time(mpctx, seek.amount, + &need_reset); + if (demuxer_amount == -1) { + assert(!need_reset); + mpctx->stop_play = AT_END_OF_FILE; + if (mpctx->d_audio && !timeline_fallthrough) { + // Seek outside of the file -> clear audio from current position + clear_audio_decode_buffers(mpctx); + clear_audio_output_buffers(mpctx); + } + return -1; + } + } + if (need_reset) { + reinit_video_chain(mpctx); + reinit_audio_chain(mpctx); + reinit_subs(mpctx); + } + + 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 || seek.direction < 0) + demuxer_style |= SEEK_BACKWARD; + else if (seek.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; + int seekresult = demux_seek(mpctx->demuxer, demuxer_amount, demuxer_style); + if (seekresult == 0) { + if (need_reset) + seek_reset(mpctx, !timeline_fallthrough); + return -1; + } + + // If audio or demuxer subs come from different files, seek them too: + bool have_external_tracks = false; + for (int type = 0; type < STREAM_TYPE_COUNT; type++) { + struct track *track = mpctx->current_track[type]; + have_external_tracks |= track && track->is_external && track->demuxer; + } + if (have_external_tracks) { + double main_new_pos; + if (seek.type == MPSEEK_ABSOLUTE) { + main_new_pos = seek.amount - mpctx->video_offset; + } else { + main_new_pos = get_main_demux_pts(mpctx); + } + for (int type = 0; type < STREAM_TYPE_COUNT; type++) { + struct track *track = mpctx->current_track[type]; + if (track && track->is_external && track->demuxer) + demux_seek(track->demuxer, main_new_pos, SEEK_ABSOLUTE); + } + } + + seek_reset(mpctx, !timeline_fallthrough); + + 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->video_pts = seek.amount; + mpctx->last_seek_pts = seek.amount; + } else + mpctx->last_seek_pts = MP_NOPTS_VALUE; + + // 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 = true; + mpctx->hrseek_pts = hr_seek ? seek.amount + : mpctx->timeline[mpctx->timeline_part].start; + } + + mpctx->start_timestamp = mp_time_sec(); + + return 0; +} + +void queue_seek(struct MPContext *mpctx, enum seek_type type, double amount, + int exact) +{ + struct seek_params *seek = &mpctx->seek; + switch (type) { + case MPSEEK_RELATIVE: + 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, + }; + return; + case MPSEEK_NONE: + *seek = (struct seek_params){ 0 }; + return; + } + abort(); +} + +void execute_queued_seek(struct MPContext *mpctx) +{ + if (mpctx->seek.type) { + mp_seek(mpctx, mpctx->seek, false); + mpctx->seek = (struct seek_params){0}; + } +} + +double get_time_length(struct MPContext *mpctx) +{ + struct demuxer *demuxer = mpctx->demuxer; + if (!demuxer) + return 0; + + if (mpctx->timeline) + return mpctx->timeline[mpctx->num_timeline_parts].start; + + double len = demuxer_get_time_length(demuxer); + if (len >= 0) + return len; + + // Unknown + return 0; +} + +/* 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 (demuxer->stream_pts != MP_NOPTS_VALUE) + return demuxer->stream_pts; + 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; +} + +// 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, + MP_NOPTS_VALUE); + double endpos = get_play_end_pts(mpctx); + if (endpos == MP_NOPTS_VALUE || endpos > start + len) + endpos = start + 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 { + struct stream *s = demuxer->stream; + int64_t size = s->end_pos - s->start_pos; + int64_t fpos = demuxer->filepos >= 0 ? + demuxer->filepos : stream_tell(demuxer->stream); + if (size > 0) + ans = MPCLAMP((double)(fpos - s->start_pos) / 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) +{ + double current_pts = get_current_time(mpctx); + if (mpctx->chapters) { + int i; + for (i = 1; i < mpctx->num_chapters; i++) + if (current_pts < mpctx->chapters[i].start) + break; + return MPMAX(mpctx->last_chapter_seek, i - 1); + } + if (mpctx->master_demuxer) + return MPMAX(mpctx->last_chapter_seek, + demuxer_get_current_chapter(mpctx->master_demuxer, current_pts)); + return -2; +} + +char *chapter_display_name(struct MPContext *mpctx, int chapter) +{ + char *name = chapter_name(mpctx, chapter); + char *dname = name; + 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); + } + if (dname != name) + talloc_free(name); + return dname; +} + +// returns NULL if chapter name unavailable +char *chapter_name(struct MPContext *mpctx, int chapter) +{ + if (mpctx->chapters) { + if (chapter < 0 || chapter >= mpctx->num_chapters) + return NULL; + return talloc_strdup(NULL, mpctx->chapters[chapter].name); + } + if (mpctx->master_demuxer) + return demuxer_chapter_name(mpctx->master_demuxer, chapter); + return NULL; +} + +// 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 (mpctx->chapters) + return mpctx->chapters[chapter].start; + if (mpctx->master_demuxer) + return demuxer_chapter_time(mpctx->master_demuxer, chapter); + return -1; +} + +int get_chapter_count(struct MPContext *mpctx) +{ + if (mpctx->chapters) + return mpctx->num_chapters; + if (mpctx->master_demuxer) + return demuxer_chapter_count(mpctx->master_demuxer); + return 0; +} + +// Seek to a given chapter. Tries to queue the seek, but might seek immediately +// in some cases. Returns success, no matter if seek is queued or immediate. +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; + if (chapter == -1) { + pts = get_start_time(mpctx); + goto do_seek; + } else if (mpctx->chapters) { + pts = mpctx->chapters[chapter].start; + goto do_seek; + } else if (mpctx->master_demuxer) { + int res = demuxer_seek_chapter(mpctx->master_demuxer, chapter, &pts); + if (res >= 0) { + if (pts == -1) { + // for DVD/BD - seek happened via stream layer + seek_reset(mpctx, true); + mpctx->seek = (struct seek_params){0}; + return true; + } + chapter = res; + goto do_seek; + } + } + return false; + +do_seek: + queue_seek(mpctx, MPSEEK_ABSOLUTE, pts, 0); + mpctx->last_chapter_seek = chapter; + mpctx->last_chapter_pts = pts; + return true; +} + +static void update_avsync(struct MPContext *mpctx) +{ + if (!mpctx->d_audio || !mpctx->d_video) + return; + + double a_pos = playing_audio_pts(mpctx); + + mpctx->last_av_difference = a_pos - mpctx->video_pts - mpctx->audio_delay; + if (mpctx->time_frame > 0) + mpctx->last_av_difference += + mpctx->time_frame * mpctx->opts->playback_speed; + if (a_pos == MP_NOPTS_VALUE || mpctx->video_pts == MP_NOPTS_VALUE) + mpctx->last_av_difference = MP_NOPTS_VALUE; + if (mpctx->last_av_difference > 0.5 && mpctx->drop_frame_cnt > 50 + && !mpctx->drop_message_shown) { + MP_WARN(mpctx, "%s", av_desync_help_text); + mpctx->drop_message_shown = true; + } +} + +/* Modify video timing to match the audio timeline. There are two main + * reasons this is needed. First, video and audio can start from different + * positions at beginning of file or after a seek (MPlayer starts both + * immediately even if they have different pts). Second, the file can have + * audio timestamps that are inconsistent with the duration of the audio + * packets, for example two consecutive timestamp values differing by + * one second but only a packet with enough samples for half a second + * of playback between them. + */ +static void adjust_sync(struct MPContext *mpctx, double frame_time) +{ + struct MPOpts *opts = mpctx->opts; + + if (!mpctx->d_audio || mpctx->syncing_audio) + return; + + double a_pts = written_audio_pts(mpctx) - mpctx->delay; + double v_pts = mpctx->video_next_pts; + double av_delay = a_pts - v_pts; + // Try to sync vo_flip() so it will *finish* at given time + av_delay += mpctx->last_vo_flip_duration; + av_delay -= mpctx->audio_delay; // This much pts difference is desired + + double change = av_delay * 0.1; + double max_change = opts->default_max_pts_correction >= 0 ? + opts->default_max_pts_correction : frame_time * 0.1; + if (change < -max_change) + change = -max_change; + else if (change > max_change) + change = max_change; + mpctx->delay += change; + mpctx->total_avsync_change += change; +} + +static bool handle_osd_redraw(struct MPContext *mpctx) +{ + if (!mpctx->video_out || !mpctx->video_out->config_ok) + return false; + bool want_redraw = vo_get_want_redraw(mpctx->video_out); + if (mpctx->video_out->driver->draw_osd) + want_redraw |= mpctx->osd->want_redraw; + mpctx->osd->want_redraw = false; + if (want_redraw) { + if (redraw_osd(mpctx)) + return true; + } + return false; +} + +static void handle_metadata_update(struct MPContext *mpctx) +{ + if (mp_time_sec() > mpctx->last_metadata_update + 2) { + demux_info_update(mpctx->demuxer); + mpctx->last_metadata_update = mp_time_sec(); + } +} + +static void handle_pause_on_low_cache(struct MPContext *mpctx) +{ + struct MPOpts *opts = mpctx->opts; + int cache = mp_get_cache_percent(mpctx); + bool idle = mp_get_cache_idle(mpctx); + if (mpctx->paused && mpctx->paused_for_cache) { + if (cache < 0 || cache >= opts->stream_cache_min_percent || idle) { + mpctx->paused_for_cache = false; + if (!opts->pause) + unpause_player(mpctx); + } + } else { + if (cache >= 0 && cache <= opts->stream_cache_pause && !idle && + opts->stream_cache_pause < opts->stream_cache_min_percent) + { + bool prev_paused_user = opts->pause; + pause_player(mpctx); + mpctx->paused_for_cache = true; + opts->pause = prev_paused_user; + } + } +} + +static void handle_heartbeat_cmd(struct MPContext *mpctx) +{ + struct MPOpts *opts = mpctx->opts; + if (opts->heartbeat_cmd && !mpctx->paused) { + double now = mp_time_sec(); + if (now - mpctx->last_heartbeat > opts->heartbeat_interval) { + mpctx->last_heartbeat = now; + system(opts->heartbeat_cmd); + } + } +} + +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; + + 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 = + mp_time_sec() + opts->cursor_autohide_delay / 1000.0; + mouse_cursor_visible = true; + } + + if (mp_time_sec() >= mpctx->mouse_timer) + 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_input_and_seek_coalesce(struct MPContext *mpctx) +{ + mp_flush_events(mpctx); + + mp_cmd_t *cmd; + while ((cmd = mp_input_get_cmd(mpctx->input, 0, 1)) != NULL) { + /* Allow running consecutive seek commands to combine them, + * but execute the seek before running other commands. + * 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.type && cmd->id != MP_CMD_SEEK) || + (mpctx->restart_playback && cmd->id == MP_CMD_SEEK && + mp_time_sec() - mpctx->start_timestamp < 0.3)) + break; + cmd = mp_input_get_cmd(mpctx->input, 0, 0); + run_command(mpctx, cmd); + mp_cmd_free(cmd); + if (mpctx->stop_play) + break; + } +} + +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; + } + 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; + bool demuxer_ok = mpctx->demuxer && mpctx->demuxer->accurate_seek; + if (demuxer_ok && 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); + } 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); + } 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 (opts->step_sec > 0 && !mpctx->stop_play && !mpctx->paused && + !mpctx->restart_playback) + { + set_osd_function(mpctx, OSD_FFW); + queue_seek(mpctx, MPSEEK_RELATIVE, opts->step_sec, 0); + } +} + +static void handle_keep_open(struct MPContext *mpctx) +{ + struct MPOpts *opts = mpctx->opts; + if (opts->keep_open && mpctx->stop_play == AT_END_OF_FILE) { + mpctx->stop_play = KEEP_PLAYING; + mpctx->playback_pts = mpctx->last_vo_pts; + pause_player(mpctx); + } +} + +// 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. +void handle_force_window(struct MPContext *mpctx, bool reconfig) +{ + // Don't interfere with real video playback + if (mpctx->d_video) + return; + + struct vo *vo = mpctx->video_out; + if (!vo) + return; + + if (!vo->config_ok || reconfig) { + 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->driver->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, + }; + vo_reconfig(vo, &p, 0); + redraw_osd(mpctx); + } +} + +static double timing_sleep(struct MPContext *mpctx, double time_frame) +{ + // assume kernel HZ=100 for softsleep, works with larger HZ but with + // unnecessarily high CPU usage + struct MPOpts *opts = mpctx->opts; + double margin = opts->softsleep ? 0.011 : 0; + while (time_frame > margin) { + mp_sleep_us(1000000 * (time_frame - margin)); + time_frame -= get_relative_time(mpctx); + } + if (opts->softsleep) { + if (time_frame < 0) + MP_WARN(mpctx, "Warning! Softsleep underflow!\n"); + while (time_frame > 0) + time_frame -= get_relative_time(mpctx); // burn the CPU + } + return time_frame; +} + +static double get_wakeup_period(struct MPContext *mpctx) +{ + /* Even if we can immediately wake up in response to most input events, + * there are some timers which are not registered to the event loop + * and need to be checked periodically (like automatic mouse cursor hiding). + * OSD content updates behave similarly. Also some uncommon input devices + * may not have proper FD event support. + */ + double sleeptime = WAKEUP_PERIOD; + +#ifndef HAVE_POSIX_SELECT + // No proper file descriptor event handling; keep waking up to poll input + sleeptime = MPMIN(sleeptime, 0.02); +#endif + + if (mpctx->video_out) + if (mpctx->video_out->wakeup_period > 0) + sleeptime = MPMIN(sleeptime, mpctx->video_out->wakeup_period); + + return sleeptime; +} + +void run_playloop(struct MPContext *mpctx) +{ + struct MPOpts *opts = mpctx->opts; + bool full_audio_buffers = false; + bool audio_left = false, video_left = false; + double endpts = get_play_end_pts(mpctx); + bool end_is_chapter = false; + double sleeptime = get_wakeup_period(mpctx); + bool was_restart = mpctx->restart_playback; + bool new_frame_shown = false; + +#if HAVE_ENCODING + if (encode_lavc_didfail(mpctx->encode_lavc_ctx)) { + mpctx->stop_play = PT_QUIT; + return; + } +#endif + + // Add tracks that were added by the demuxer later (e.g. MPEG) + if (!mpctx->timeline && mpctx->demuxer) + add_demuxer_tracks(mpctx, mpctx->demuxer); + + if (mpctx->timeline) { + double end = mpctx->timeline[mpctx->timeline_part + 1].start; + if (endpts == MP_NOPTS_VALUE || end < endpts) { + endpts = end; + end_is_chapter = true; + } + } + + if (opts->chapterrange[1] > 0) { + int cur_chapter = get_current_chapter(mpctx); + if (cur_chapter != -1 && cur_chapter + 1 > opts->chapterrange[1]) + mpctx->stop_play = PT_NEXT_ENTRY; + } + + if (mpctx->d_audio && !mpctx->restart_playback && !mpctx->ao->untimed) { + int status = fill_audio_out_buffers(mpctx, endpts); + full_audio_buffers = status >= 0; + // Not at audio stream EOF yet + audio_left = status > -2; + } + + if (mpctx->video_out) { + vo_check_events(mpctx->video_out); + handle_cursor_autohide(mpctx); + } + + double buffered_audio = -1; + while (mpctx->d_video) { // never loops, for "break;" only + struct vo *vo = mpctx->video_out; + update_fps(mpctx); + + video_left = vo->hasframe || vo->frame_loaded || mpctx->playing_last_frame; + if (!vo->frame_loaded && (!mpctx->paused || mpctx->restart_playback)) { + + double frame_time = update_video(mpctx, endpts); + if (frame_time < 0) { + if (!mpctx->playing_last_frame && mpctx->last_frame_duration > 0) { + mpctx->time_frame += mpctx->last_frame_duration; + mpctx->last_frame_duration = 0; + mpctx->playing_last_frame = true; + } + if (mpctx->playing_last_frame) { + frame_time = 0; // don't stop playback yet + } else if (mpctx->d_video->waiting_decoded_mpi) { + // Format changes behave like EOF, and this call "unstucks" + // the EOF condition (after waiting for the previous frame + // to finish displaying). + video_execute_format_change(mpctx); + frame_time = update_video(mpctx, endpts); + // We just displayed the previous frame, so display the + // new frame immediately. + if (frame_time > 0) + frame_time = 0; + } + } + + mp_msg(MSGT_AVSYNC, MSGL_DBG2, "*** ftime=%5.3f ***\n", frame_time); + if (mpctx->d_video->vfilter && mpctx->d_video->vfilter->initialized < 0) + { + MP_FATAL(mpctx, "\nFATAL: Could not initialize video filters " + "(-vf) or video output (-vo).\n"); + int uninit = INITIALIZED_VCODEC; + if (!opts->force_vo) + uninit |= INITIALIZED_VO; + uninit_player(mpctx, uninit); + mpctx->current_track[STREAM_VIDEO] = NULL; + if (!mpctx->current_track[STREAM_AUDIO]) + mpctx->stop_play = PT_NEXT_ENTRY; + mpctx->error_playing = true; + handle_force_window(mpctx, true); + break; + } + video_left = frame_time >= 0; + if (video_left && !mpctx->restart_playback) { + mpctx->time_frame += frame_time / opts->playback_speed; + adjust_sync(mpctx, frame_time); + } + if (!video_left) { + mpctx->delay = 0; + mpctx->last_av_difference = 0; + } + } + + if (endpts != MP_NOPTS_VALUE) + video_left &= mpctx->video_next_pts < endpts; + + handle_heartbeat_cmd(mpctx); + + if (!video_left || (mpctx->paused && !mpctx->restart_playback)) + break; + if (!vo->frame_loaded && !mpctx->playing_last_frame) { + sleeptime = 0; + break; + } + + mpctx->time_frame -= get_relative_time(mpctx); + if (full_audio_buffers && !mpctx->restart_playback) { + buffered_audio = ao_get_delay(mpctx->ao); + mp_msg(MSGT_AVSYNC, MSGL_DBG2, "delay=%f\n", buffered_audio); + + if (opts->autosync) { + /* Smooth reported playback position from AO by averaging + * it with the value expected based on previus value and + * time elapsed since then. May help smooth video timing + * with audio output that have inaccurate position reporting. + * This is badly implemented; the behavior of the smoothing + * now undesirably depends on how often this code runs + * (mainly depends on video frame rate). */ + float predicted = (mpctx->delay / opts->playback_speed + + mpctx->time_frame); + float difference = buffered_audio - predicted; + buffered_audio = predicted + difference / opts->autosync; + } + + mpctx->time_frame = (buffered_audio - + mpctx->delay / opts->playback_speed); + } else { + /* If we're more than 200 ms behind the right playback + * position, don't try to speed up display of following + * frames to catch up; continue with default speed from + * the current frame instead. + * If untimed is set always output frames immediately + * without sleeping. + */ + if (mpctx->time_frame < -0.2 || opts->untimed || vo->untimed) + mpctx->time_frame = 0; + } + + double vsleep = mpctx->time_frame - vo->flip_queue_offset; + if (vsleep > 0.050) { + sleeptime = MPMIN(sleeptime, vsleep - 0.040); + break; + } + sleeptime = 0; + mpctx->playing_last_frame = false; + + // last frame case (don't set video_left - consider format changes) + if (!vo->frame_loaded) + break; + + //=================== FLIP PAGE (VIDEO BLT): ====================== + + vo_new_frame_imminent(vo); + mpctx->video_pts = mpctx->video_next_pts; + mpctx->last_vo_pts = mpctx->video_pts; + mpctx->playback_pts = mpctx->video_pts; + update_subtitles(mpctx); + update_osd_msg(mpctx); + draw_osd(mpctx); + + mpctx->time_frame -= get_relative_time(mpctx); + mpctx->time_frame -= vo->flip_queue_offset; + if (mpctx->time_frame > 0.001) + mpctx->time_frame = timing_sleep(mpctx, mpctx->time_frame); + mpctx->time_frame += vo->flip_queue_offset; + + int64_t t2 = mp_time_us(); + /* Playing with playback speed it's possible to get pathological + * cases with mpctx->time_frame negative enough to cause an + * overflow in pts_us calculation, thus the MPMAX. */ + double time_frame = MPMAX(mpctx->time_frame, -1); + int64_t pts_us = mpctx->last_time + time_frame * 1e6; + int duration = -1; + double pts2 = vo->next_pts2; + if (mpctx->video_pts != MP_NOPTS_VALUE && pts2 == MP_NOPTS_VALUE) { + // Make up a frame duration. Using the frame rate is not a good + // choice, since the frame rate could be unset/broken/random. + float fps = mpctx->d_video->fps; + double frame_time = fps > 0 ? 1.0 / fps : 0; + pts2 = mpctx->video_pts + frame_time; + } + if (pts2 != MP_NOPTS_VALUE) { + // expected A/V sync correction is ignored + double diff = (pts2 - mpctx->video_pts); + diff /= opts->playback_speed; + if (mpctx->time_frame < 0) + diff += mpctx->time_frame; + if (diff < 0) + diff = 0; + if (diff > 10) + diff = 10; + duration = diff * 1e6; + mpctx->last_frame_duration = diff; + } + if (mpctx->restart_playback) + duration = -1; + vo_flip_page(vo, pts_us | 1, duration); + + mpctx->last_vo_flip_duration = (mp_time_us() - t2) * 0.000001; + if (vo->driver->flip_page_timed) { + // No need to adjust sync based on flip speed + mpctx->last_vo_flip_duration = 0; + // For print_status - VO call finishing early is OK for sync + mpctx->time_frame -= get_relative_time(mpctx); + } + mpctx->shown_vframes++; + if (mpctx->restart_playback) { + if (mpctx->sync_audio_to_video) { + mpctx->syncing_audio = true; + if (mpctx->d_audio) + fill_audio_out_buffers(mpctx, endpts); + mpctx->restart_playback = false; + } + mpctx->time_frame = 0; + get_relative_time(mpctx); + } + update_avsync(mpctx); + print_status(mpctx); + screenshot_flip(mpctx); + new_frame_shown = true; + + break; + } // video + + video_left &= mpctx->sync_audio_to_video; // force no-video semantics + + if (mpctx->d_audio && (mpctx->restart_playback ? !video_left : + mpctx->ao->untimed && (mpctx->delay <= 0 || + !video_left))) { + int status = fill_audio_out_buffers(mpctx, endpts); + full_audio_buffers = status >= 0 && !mpctx->ao->untimed; + // Not at audio stream EOF yet + audio_left = status > -2; + } + if (!video_left) + mpctx->restart_playback = false; + if (mpctx->d_audio && buffered_audio == -1) + buffered_audio = mpctx->paused ? 0 : ao_get_delay(mpctx->ao); + + update_osd_msg(mpctx); + + // The cache status is part of the status line. Possibly update it. + if (mpctx->paused && mp_get_cache_percent(mpctx) >= 0) + print_status(mpctx); + + if (!video_left && (!mpctx->paused || was_restart)) { + double a_pos = 0; + if (mpctx->d_audio) { + a_pos = (written_audio_pts(mpctx) - + mpctx->opts->playback_speed * buffered_audio); + } + mpctx->playback_pts = a_pos; + print_status(mpctx); + } + + update_subtitles(mpctx); + + /* 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. + * + * When all audio has been written to output driver, stay in the + * main loop handling commands until it has been mostly consumed, + * except in the gapless case, where the next file will be started + * while audio from the current one still remains to be played. + * + * We want this check to trigger if we seeked to this position, + * but not if we paused at it with audio possibly still buffered in + * the AO. There's currently no working way to check buffered audio + * inside AO while paused. Thus the "was_restart" check below, which + * should trigger after seek only, when we know there's no audio + * buffered. + */ + if ((mpctx->d_audio || mpctx->d_video) && !audio_left && !video_left + && (opts->gapless_audio || buffered_audio < 0.05) + && (!mpctx->paused || was_restart)) { + if (end_is_chapter) { + 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); + + if (!mpctx->stop_play && !mpctx->restart_playback) { + + // If no more video is available, one frame means one playloop iteration. + // Otherwise, one frame means one video frame. + if (!video_left) + new_frame_shown = true; + + if (opts->playing_msg && !mpctx->playing_msg_shown && new_frame_shown) { + mpctx->playing_msg_shown = true; + char *msg = mp_property_expand_string(mpctx, opts->playing_msg); + MP_INFO(mpctx, "%s\n", msg); + talloc_free(msg); + } + + if (mpctx->max_frames >= 0) { + if (new_frame_shown) + mpctx->max_frames--; + if (mpctx->max_frames <= 0) + mpctx->stop_play = PT_NEXT_ENTRY; + } + + if (mpctx->step_frames > 0 && !mpctx->paused) { + if (new_frame_shown) + mpctx->step_frames--; + if (mpctx->step_frames == 0) + pause_player(mpctx); + } + + } + + if (!mpctx->stop_play) { + double audio_sleep = 9; + if (mpctx->restart_playback) + sleeptime = 0; + if (mpctx->d_audio && !mpctx->paused) { + if (mpctx->ao->untimed) { + if (!video_left) + audio_sleep = 0; + } else if (full_audio_buffers) { + audio_sleep = buffered_audio - 0.050; + // Keep extra safety margin if the buffers are large + if (audio_sleep > 0.100) + audio_sleep = MPMAX(audio_sleep - 0.200, 0.100); + else + audio_sleep = MPMAX(audio_sleep, 0.020); + } else + audio_sleep = 0.020; + } + sleeptime = MPMIN(sleeptime, audio_sleep); + if (sleeptime > 0) { + if (handle_osd_redraw(mpctx)) + sleeptime = 0; + } + if (sleeptime > 0) + mp_input_get_cmd(mpctx->input, sleeptime * 1000, true); + } + + handle_metadata_update(mpctx); + + handle_pause_on_low_cache(mpctx); + + handle_input_and_seek_coalesce(mpctx); + + handle_backstep(mpctx); + + handle_sstep(mpctx); + + handle_keep_open(mpctx); + + handle_force_window(mpctx, false); + + execute_queued_seek(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) + handle_force_window(mpctx, true); + need_reinit = false; + int uninit = INITIALIZED_AO; + if (!mpctx->opts->force_vo) + uninit |= INITIALIZED_VO; + uninit_player(mpctx, uninit); + handle_force_window(mpctx, false); + if (mpctx->video_out) + vo_check_events(mpctx->video_out); + update_osd_msg(mpctx); + handle_osd_redraw(mpctx); + mp_cmd_t *cmd = mp_input_get_cmd(mpctx->input, + get_wakeup_period(mpctx) * 1000, + false); + if (cmd) + run_command(mpctx, cmd); + mp_cmd_free(cmd); + mp_flush_events(mpctx); + } +} -- cgit v1.2.3