, _always_burn_subtitles (false)
, _fast (false)
, _play_referenced (false)
- , _audio_merger (_film->audio_channels(), _film->audio_frame_rate())
+ , _audio_merger (_film->audio_frame_rate())
{
_film_changed_connection = _film->Changed.connect (bind (&Player::film_changed, this, _1));
_playlist_changed_connection = _playlist->Changed.connect (bind (&Player::playlist_changed, this));
set_video_container_size (_film->frame_size ());
film_changed (Film::AUDIO_PROCESSOR);
+
+ seek (DCPTime (), true);
}
void
}
if (decoder->subtitle) {
- decoder->subtitle->ImageData.connect (bind (&Player::image_subtitle, this, weak_ptr<Piece> (piece), _1));
- decoder->subtitle->TextData.connect (bind (&Player::text_subtitle, this, weak_ptr<Piece> (piece), _1));
+ decoder->subtitle->ImageStart.connect (bind (&Player::image_subtitle_start, this, weak_ptr<Piece> (piece), _1));
+ decoder->subtitle->TextStart.connect (bind (&Player::text_subtitle_start, this, weak_ptr<Piece> (piece), _1));
+ decoder->subtitle->Stop.connect (bind (&Player::subtitle_stop, this, weak_ptr<Piece> (piece), _1));
}
}
}
}
+ if (!_play_referenced) {
+ BOOST_FOREACH (shared_ptr<Piece> i, _pieces) {
+ shared_ptr<DCPContent> dc = dynamic_pointer_cast<DCPContent> (i->content);
+ if (dc) {
+ if (dc->reference_video()) {
+ _no_video.push_back (DCPTimePeriod (dc->position(), dc->end()));
+ }
+ if (dc->reference_audio()) {
+ _no_audio.push_back (DCPTimePeriod (dc->position(), dc->end()));
+ }
+ }
+ }
+ }
+
+ _last_video_time = optional<DCPTime> ();
+ _last_audio_time = optional<DCPTime> ();
_have_valid_pieces = true;
}
void
Player::set_video_container_size (dcp::Size s)
{
+ if (s == _video_container_size) {
+ return;
+ }
+
_video_container_size = s;
_black_image.reset (new Image (AV_PIX_FMT_RGB24, _video_container_size, true));
_black_image->make_black ();
+
+ Changed (false);
}
void
Player::resampled_audio_to_dcp (shared_ptr<const Piece> piece, Frame f) const
{
/* See comment in dcp_to_content_video */
- DCPTime const d = DCPTime::from_frames (f, _film->audio_frame_rate()) - DCPTime (piece->content->trim_start (), piece->frc);
+ DCPTime const d = DCPTime::from_frames (f, _film->audio_frame_rate()) - DCPTime (piece->content->trim_start(), piece->frc);
return max (DCPTime (), d + piece->content->position ());
}
_ignore_video = true;
}
-/** Set this player never to produce any audio data */
-void
-Player::set_ignore_audio ()
-{
- _ignore_audio = true;
-}
-
/** Set whether or not this player should always burn text subtitles into the image,
* regardless of the content settings.
* @param burn true to always burn subtitles, false to obey content settings.
}
if (!earliest) {
- /* No more content; fill up to the length of our playlist with silent black */
-
- DCPTime const length = _playlist->length ();
-
- DCPTime const frame = DCPTime::from_frames (1, _film->video_frame_rate());
- DCPTime from;
- if (_last_time) {
- from = _last_time.get() + frame;
+ /* No more content; fill up with silent black */
+ DCPTimePeriod remaining_video (DCPTime(), _playlist->length());
+ if (_last_video_time) {
+ remaining_video.from = _last_video_time.get();
}
- for (DCPTime i = from; i < length; i += frame) {
- Video (black_player_video_frame (), i);
+ fill_video (remaining_video);
+ DCPTimePeriod remaining_audio (DCPTime(), _playlist->length());
+ if (_last_audio_time) {
+ remaining_audio.from = _last_audio_time.get();
}
-
- DCPTime t = _last_audio_time;
- while (t < length) {
- DCPTime block = min (DCPTime::from_seconds (0.5), length - t);
- shared_ptr<AudioBuffers> silence (new AudioBuffers (_film->audio_channels(), block.frames_round(_film->audio_frame_rate())));
- silence->make_silent ();
- Audio (silence, t);
- t += block;
- }
-
+ fill_audio (remaining_audio);
return true;
}
earliest->done = earliest->decoder->pass ();
+ if (earliest->done && earliest->content->audio) {
+ /* Flush the Player audio system for this piece */
+ BOOST_FOREACH (AudioStreamPtr i, earliest->content->audio->streams()) {
+ audio_flush (earliest, i);
+ }
+ }
/* Emit any audio that is ready */
}
}
-// cout << "PULL " << to_string(pull_from) << "\n";
- pair<shared_ptr<AudioBuffers>, DCPTime> audio = _audio_merger.pull (pull_from);
- if (audio.first->frames() > 0) {
- DCPOMATIC_ASSERT (audio.second >= _last_audio_time);
- DCPTime t = _last_audio_time;
- while (t < audio.second) {
- /* Silence up to the time of this new audio */
- DCPTime block = min (DCPTime::from_seconds (0.5), audio.second - t);
- shared_ptr<AudioBuffers> silence (new AudioBuffers (_film->audio_channels(), block.frames_round(_film->audio_frame_rate())));
- silence->make_silent ();
- Audio (silence, t);
- t += block;
+ list<pair<shared_ptr<AudioBuffers>, DCPTime> > audio = _audio_merger.pull (pull_from);
+ for (list<pair<shared_ptr<AudioBuffers>, DCPTime> >::iterator i = audio.begin(); i != audio.end(); ++i) {
+ if (_last_audio_time && i->second < _last_audio_time.get()) {
+ /* There has been an accurate seek and we have received some audio before the seek time;
+ discard it.
+ */
+ pair<shared_ptr<AudioBuffers>, DCPTime> cut = discard_audio (i->first, i->second, *_last_audio_time);
+ if (!cut.first) {
+ continue;
+ }
+ *i = cut;
+ }
+
+ if (_last_audio_time) {
+ fill_audio (DCPTimePeriod (_last_audio_time.get(), i->second));
}
- Audio (audio.first, audio.second);
- _last_audio_time = audio.second + DCPTime::from_frames(audio.first->frames(), _film->audio_frame_rate());
+ Audio (i->first, i->second);
+ _last_audio_time = i->second + DCPTime::from_frames(i->first->frames(), _film->audio_frame_rate());
}
return false;
return;
}
+ FrameRateChange frc(piece->content->active_video_frame_rate(), _film->video_frame_rate());
+ if (frc.skip && (video.frame % 2) == 1) {
+ return;
+ }
+
/* Time and period of the frame we will emit */
DCPTime const time = content_video_to_dcp (piece, video.frame);
- DCPTimePeriod const period (time, time + DCPTime::from_frames (1, _film->video_frame_rate()));
+ DCPTimePeriod const period (time, time + one_video_frame());
- /* Discard if it's outside the content's period */
- if (time < piece->content->position() || time >= piece->content->end()) {
+ /* Discard if it's outside the content's period or if it's before the last accurate seek */
+ if (time < piece->content->position() || time >= piece->content->end() || (_last_video_time && time < _last_video_time)) {
return;
}
optional<PositionImage> subtitles;
- for (list<pair<PlayerSubtitles, DCPTimePeriod> >::const_iterator i = _subtitles.begin(); i != _subtitles.end(); ++i) {
+ for (ActiveSubtitles::const_iterator i = _active_subtitles.begin(); i != _active_subtitles.end(); ++i) {
- if (!i->second.overlap (period)) {
+ shared_ptr<Piece> sub_piece = i->first.lock ();
+ if (!sub_piece) {
continue;
}
+ if (!sub_piece->content->subtitle->use() || (!_always_burn_subtitles && !piece->content->subtitle->burn())) {
+ continue;
+ }
+
+ pair<PlayerSubtitles, DCPTime> sub = i->second;
+
list<PositionImage> sub_images;
/* Image subtitles */
- list<PositionImage> c = transform_image_subtitles (i->first.image);
+ list<PositionImage> c = transform_image_subtitles (sub.first.image);
copy (c.begin(), c.end(), back_inserter (sub_images));
/* Text subtitles (rendered to an image) */
- if (!i->first.text.empty ()) {
- list<PositionImage> s = render_subtitles (i->first.text, i->first.fonts, _video_container_size, time);
+ if (!sub.first.text.empty ()) {
+ list<PositionImage> s = render_subtitles (sub.first.text, sub.first.fonts, _video_container_size, time);
copy (s.begin (), s.end (), back_inserter (sub_images));
}
/* Fill gaps */
- if (_last_time) {
- /* XXX: this may not work for 3D */
- DCPTime const frame = DCPTime::from_frames (1, _film->video_frame_rate());
- for (DCPTime i = _last_time.get() + frame; i < time; i += frame) {
- if (_playlist->video_content_at(i) && _last_video) {
- Video (shared_ptr<PlayerVideo> (new PlayerVideo (*_last_video)), i);
- } else {
- Video (black_player_video_frame (), i);
- }
- }
+ if (_last_video_time) {
+ fill_video (DCPTimePeriod (_last_video_time.get(), time));
}
_last_video.reset (
_last_video->set_subtitle (subtitles.get ());
}
- _last_time = time;
-
- Video (_last_video, *_last_time);
-
- /* Discard any subtitles we no longer need */
-
- for (list<pair<PlayerSubtitles, DCPTimePeriod> >::iterator i = _subtitles.begin (); i != _subtitles.end(); ) {
- list<pair<PlayerSubtitles, DCPTimePeriod> >::iterator tmp = i;
- ++tmp;
-
- if (i->second.to < time) {
- _subtitles.erase (i);
- }
+ Video (_last_video, time);
- i = tmp;
- }
+ _last_video_time = time + one_video_frame ();
}
void
-Player::audio (weak_ptr<Piece> wp, AudioStreamPtr stream, ContentAudio content_audio)
+Player::audio_flush (shared_ptr<Piece> piece, AudioStreamPtr stream)
{
- shared_ptr<Piece> piece = wp.lock ();
- if (!piece) {
- return;
- }
-
shared_ptr<AudioContent> content = piece->content->audio;
DCPOMATIC_ASSERT (content);
- /* Gain */
- if (content->gain() != 0) {
- shared_ptr<AudioBuffers> gain (new AudioBuffers (content_audio.audio));
- gain->apply_gain (content->gain ());
- content_audio.audio = gain;
+ shared_ptr<Resampler> r = resampler (content, stream, false);
+ if (!r) {
+ return;
}
- /* Resample */
- if (stream->frame_rate() != content->resampled_frame_rate()) {
- shared_ptr<Resampler> r = resampler (content, stream, true);
- pair<shared_ptr<const AudioBuffers>, Frame> ro = r->run (content_audio.audio, content_audio.frame);
- content_audio.audio = ro.first;
- content_audio.frame = ro.second;
+ pair<shared_ptr<const AudioBuffers>, Frame> ro = r->flush ();
+ if (ro.first->frames() == 0) {
+ return;
}
- /* XXX: end-trimming used to be checked here */
+ ContentAudio content_audio;
+ content_audio.audio = ro.first;
+ content_audio.frame = ro.second;
/* Compute time in the DCP */
DCPTime time = resampled_audio_to_dcp (piece, content_audio.frame) + DCPTime::from_seconds (content->delay() / 1000.0);
- /* Remove anything that comes before the start of the content */
- if (time < piece->content->position()) {
- DCPTime const discard_time = piece->content->position() - time;
- Frame discard_frames = discard_time.frames_round(_film->audio_frame_rate());
- Frame remaining_frames = content_audio.audio->frames() - discard_frames;
- if (remaining_frames <= 0) {
- /* This audio is entirely discarded */
- return;
- }
- shared_ptr<AudioBuffers> cut (new AudioBuffers (content_audio.audio->channels(), remaining_frames));
- cut->copy_from (content_audio.audio.get(), remaining_frames, discard_frames, 0);
- content_audio.audio = cut;
- time += discard_time;
+ audio_transform (content, stream, content_audio, time);
+}
+
+/** Do our common processing on some audio */
+void
+Player::audio_transform (shared_ptr<AudioContent> content, AudioStreamPtr stream, ContentAudio content_audio, DCPTime time)
+{
+ DCPOMATIC_ASSERT (content_audio.audio->frames() > 0);
+
+ /* Gain */
+
+ if (content->gain() != 0) {
+ shared_ptr<AudioBuffers> gain (new AudioBuffers (content_audio.audio));
+ gain->apply_gain (content->gain ());
+ content_audio.audio = gain;
}
- /* Remap channels */
+ /* Remap */
+
shared_ptr<AudioBuffers> dcp_mapped (new AudioBuffers (_film->audio_channels(), content_audio.audio->frames()));
dcp_mapped->make_silent ();
content_audio.audio = dcp_mapped;
+ /* Process */
+
if (_audio_processor) {
content_audio.audio = _audio_processor->run (content_audio.audio, _film->audio_channels ());
}
-// cout << "PUSH " << content_audio.audio->frames() << " @ " << to_string(time) << "\n";
- _audio_merger.push (content_audio.audio, time);
+ /* Push */
+ _audio_merger.push (content_audio.audio, time);
DCPOMATIC_ASSERT (_stream_states.find (stream) != _stream_states.end ());
_stream_states[stream].last_push_end = time + DCPTime::from_frames (content_audio.audio->frames(), _film->audio_frame_rate());
}
void
-Player::image_subtitle (weak_ptr<Piece> wp, ContentImageSubtitle subtitle)
+Player::audio (weak_ptr<Piece> wp, AudioStreamPtr stream, ContentAudio content_audio)
+{
+ DCPOMATIC_ASSERT (content_audio.audio->frames() > 0);
+
+ shared_ptr<Piece> piece = wp.lock ();
+ if (!piece) {
+ return;
+ }
+
+ shared_ptr<AudioContent> content = piece->content->audio;
+ DCPOMATIC_ASSERT (content);
+
+ /* Resample */
+ if (stream->frame_rate() != content->resampled_frame_rate()) {
+ shared_ptr<Resampler> r = resampler (content, stream, true);
+ pair<shared_ptr<const AudioBuffers>, Frame> ro = r->run (content_audio.audio, content_audio.frame);
+ if (ro.first->frames() == 0) {
+ return;
+ }
+ content_audio.audio = ro.first;
+ content_audio.frame = ro.second;
+ }
+
+ /* Compute time in the DCP */
+ DCPTime time = resampled_audio_to_dcp (piece, content_audio.frame) + DCPTime::from_seconds (content->delay() / 1000.0);
+ /* And the end of this block in the DCP */
+ DCPTime end = time + DCPTime::from_frames(content_audio.audio->frames(), content->resampled_frame_rate());
+
+ /* Remove anything that comes before the start or after the end of the content */
+ if (time < piece->content->position()) {
+ pair<shared_ptr<AudioBuffers>, DCPTime> cut = discard_audio (content_audio.audio, time, piece->content->position());
+ if (!cut.first) {
+ /* This audio is entirely discarded */
+ return;
+ }
+ content_audio.audio = cut.first;
+ time = cut.second;
+ } else if (time > piece->content->end()) {
+ /* Discard it all */
+ return;
+ } else if (end > piece->content->end()) {
+ Frame const remaining_frames = DCPTime(piece->content->end() - time).frames_round(_film->audio_frame_rate());
+ DCPOMATIC_ASSERT (remaining_frames > 0);
+ shared_ptr<AudioBuffers> cut (new AudioBuffers (content_audio.audio->channels(), remaining_frames));
+ cut->copy_from (content_audio.audio.get(), remaining_frames, 0, 0);
+ content_audio.audio = cut;
+ }
+
+ audio_transform (content, stream, content_audio, time);
+}
+
+void
+Player::image_subtitle_start (weak_ptr<Piece> wp, ContentImageSubtitle subtitle)
{
shared_ptr<Piece> piece = wp.lock ();
if (!piece) {
PlayerSubtitles ps;
ps.image.push_back (subtitle.sub);
- DCPTimePeriod period (content_time_to_dcp (piece, subtitle.period().from), content_time_to_dcp (piece, subtitle.period().to));
+ DCPTime from (content_time_to_dcp (piece, subtitle.from()));
- if (piece->content->subtitle->use() && (piece->content->subtitle->burn() || _always_burn_subtitles)) {
- _subtitles.push_back (make_pair (ps, period));
- } else {
- Subtitle (ps, period);
- }
+ _active_subtitles[wp] = make_pair (ps, from);
}
void
-Player::text_subtitle (weak_ptr<Piece> wp, ContentTextSubtitle subtitle)
+Player::text_subtitle
_start (weak_ptr<Piece> wp, ContentTextSubtitle subtitle)
{
shared_ptr<Piece> piece = wp.lock ();
if (!piece) {
}
PlayerSubtitles ps;
- DCPTimePeriod const period (content_time_to_dcp (piece, subtitle.period().from), content_time_to_dcp (piece, subtitle.period().to));
+ DCPTime const from (content_time_to_dcp (piece, subtitle.from()));
BOOST_FOREACH (dcp::SubtitleString s, subtitle.subs) {
s.set_h_position (s.h_position() + piece->content->subtitle->x_offset ());
s.set_aspect_adjust (xs / ys);
}
- s.set_in (dcp::Time(period.from.seconds(), 1000));
- s.set_out (dcp::Time(period.to.seconds(), 1000));
+ s.set_in (dcp::Time(from.seconds(), 1000));
ps.text.push_back (SubtitleString (s, piece->content->subtitle->outline_width()));
ps.add_fonts (piece->content->subtitle->fonts ());
}
- if (piece->content->subtitle->use() && (piece->content->subtitle->burn() || _always_burn_subtitles)) {
- _subtitles.push_back (make_pair (ps, period));
- } else {
- Subtitle (ps, period);
+ _active_subtitles[wp] = make_pair (ps, from);
+}
+
+void
+Player::subtitle_stop (weak_ptr<Piece> wp, ContentTime to)
+{
+ if (_active_subtitles.find (wp) == _active_subtitles.end ()) {
+ return;
}
+
+ shared_ptr<Piece> piece = wp.lock ();
+ if (!piece) {
+ return;
+ }
+
+ if (piece->content->subtitle->use() && !_always_burn_subtitles && !piece->content->subtitle->burn()) {
+ Subtitle (_active_subtitles[wp].first, DCPTimePeriod (_active_subtitles[wp].second, content_time_to_dcp (piece, to)));
+ }
+
+ _active_subtitles.erase (wp);
}
void
Player::seek (DCPTime time, bool accurate)
{
+ if (_audio_processor) {
+ _audio_processor->flush ();
+ }
+
+ for (ResamplerMap::iterator i = _resamplers.begin(); i != _resamplers.end(); ++i) {
+ i->second->flush ();
+ i->second->reset ();
+ }
+
+ _audio_merger.clear ();
+ _active_subtitles.clear ();
+
BOOST_FOREACH (shared_ptr<Piece> i, _pieces) {
- if (i->content->position() <= time && time < i->content->end()) {
+ if (time < i->content->position()) {
+ /* Before; seek to 0 */
+ i->decoder->seek (ContentTime(), accurate);
+ i->done = false;
+ } else if (i->content->position() <= time && time < i->content->end()) {
+ /* During; seek to position */
i->decoder->seek (dcp_to_content_time (i, time), accurate);
i->done = false;
+ } else {
+ /* After; this piece is done */
+ i->done = true;
}
}
if (accurate) {
- _last_time = time - DCPTime::from_frames (1, _film->video_frame_rate ());
+ _last_video_time = time;
+ _last_audio_time = time;
} else {
- _last_time = optional<DCPTime> ();
+ _last_video_time = optional<DCPTime> ();
+ _last_audio_time = optional<DCPTime> ();
}
}
_resamplers[make_pair(content, stream)] = r;
return r;
}
+
+void
+Player::fill_video (DCPTimePeriod period)
+{
+ /* XXX: this may not work for 3D */
+ BOOST_FOREACH (DCPTimePeriod i, subtract(period, _no_video)) {
+ for (DCPTime j = i.from; j < i.to; j += one_video_frame()) {
+ if (_playlist->video_content_at(j) && _last_video) {
+ Video (shared_ptr<PlayerVideo> (new PlayerVideo (*_last_video)), j);
+ } else {
+ Video (black_player_video_frame(), j);
+ }
+ }
+ }
+}
+
+void
+Player::fill_audio (DCPTimePeriod period)
+{
+ BOOST_FOREACH (DCPTimePeriod i, subtract(period, _no_audio)) {
+ DCPTime t = i.from;
+ while (t < i.to) {
+ DCPTime block = min (DCPTime::from_seconds (0.5), i.to - t);
+ Frame const samples = block.frames_round(_film->audio_frame_rate());
+ if (samples) {
+ shared_ptr<AudioBuffers> silence (new AudioBuffers (_film->audio_channels(), samples));
+ silence->make_silent ();
+ Audio (silence, t);
+ }
+ t += block;
+ }
+ }
+}
+
+DCPTime
+Player::one_video_frame () const
+{
+ return DCPTime::from_frames (1, _film->video_frame_rate ());
+}
+
+pair<shared_ptr<AudioBuffers>, DCPTime>
+Player::discard_audio (shared_ptr<const AudioBuffers> audio, DCPTime time, DCPTime discard_to) const
+{
+ DCPTime const discard_time = discard_to - time;
+ Frame const discard_frames = discard_time.frames_round(_film->audio_frame_rate());
+ Frame remaining_frames = audio->frames() - discard_frames;
+ if (remaining_frames <= 0) {
+ return make_pair(shared_ptr<AudioBuffers>(), DCPTime());
+ }
+ shared_ptr<AudioBuffers> cut (new AudioBuffers (audio->channels(), remaining_frames));
+ cut->copy_from (audio.get(), remaining_frames, discard_frames, 0);
+ return make_pair(cut, time + discard_time);
+}
projects / dcpomatic.git / blobdiff