/*
- Copyright (C) 2013-2019 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2020 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
Player::Player (shared_ptr<const Film> film, shared_ptr<const Playlist> playlist)
: _film (film)
, _playlist (playlist)
- , _suspended (false)
+ , _suspended (0)
, _ignore_video (false)
, _ignore_audio (false)
, _ignore_text (false)
_last_video_time = DCPTime ();
_last_video_eyes = EYES_BOTH;
_last_audio_time = DCPTime ();
+
+ /* Cached value to save recalculating it on every ::pass */
+ _film_length = _film->length ();
}
void
Player::playlist_content_change (ChangeType type, int property, bool frequent)
{
if (type == CHANGE_TYPE_PENDING) {
- boost::mutex::scoped_lock lm (_mutex);
/* The player content is probably about to change, so we can't carry on
until that has happened and we've rebuilt our pieces. Stop pass()
and seek() from working until then.
*/
- _suspended = true;
+ ++_suspended;
} else if (type == CHANGE_TYPE_DONE) {
/* A change in our content has gone through. Re-build our pieces. */
setup_pieces ();
- _suspended = false;
+ --_suspended;
} else if (type == CHANGE_TYPE_CANCELLED) {
- boost::mutex::scoped_lock lm (_mutex);
- _suspended = false;
+ --_suspended;
}
Change (type, property, frequent);
PresetColourConversion::all().front().conversion,
VIDEO_RANGE_FULL,
boost::weak_ptr<Content>(),
- boost::optional<Frame>()
+ boost::optional<Frame>(),
+ false
)
);
}
Player::pass ()
{
boost::mutex::scoped_lock lm (_mutex);
+ DCPOMATIC_ASSERT (_film_length);
if (_suspended) {
/* We can't pass in this state */
return false;
}
- if (_playlist->length(_film) == DCPTime()) {
+ if (*_film_length == DCPTime()) {
/* Special case of an empty Film; just give one black frame */
emit_video (black_player_video_frame(EYES_BOTH), DCPTime());
return true;
if (_last_audio_time) {
/* Sometimes the thing that happened last finishes fractionally before
or after this silence. Bodge the start time of the silence to fix it.
+ I think this is nothing to worry about since we will just add or
+ remove a little silence at the end of some content.
*/
- DCPOMATIC_ASSERT (labs(period.from.get() - _last_audio_time->get()) < 2);
+ int64_t const error = labs(period.from.get() - _last_audio_time->get());
+ /* Let's not worry about less than a frame at 24fps */
+ int64_t const too_much_error = DCPTime::from_frames(1, 24).get();
+ if (error >= too_much_error) {
+ _film->log()->log(String::compose("Silence starting before or after last audio by %1", error), LogEntry::TYPE_ERROR);
+ }
+ DCPOMATIC_ASSERT (error < too_much_error);
period.from = *_last_audio_time;
}
if (period.duration() > one_video_frame()) {
/* Work out the time before which the audio is definitely all here. This is the earliest last_push_end of one
of our streams, or the position of the _silent.
*/
- DCPTime pull_to = _film->length ();
+ DCPTime pull_to = *_film_length;
for (map<AudioStreamPtr, StreamState>::const_iterator i = _stream_states.begin(); i != _stream_states.end(); ++i) {
if (!i->second.piece->done && i->second.last_push_end < pull_to) {
pull_to = i->second.last_push_end;
piece->content->video->colour_conversion(),
piece->content->video->range(),
piece->content,
- video.frame
+ video.frame,
+ false
)
);
if (remaining_frames == 0) {
return;
}
- 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;
+ content_audio.audio.reset (new AudioBuffers(content_audio.audio, remaining_frames, 0));
}
DCPOMATIC_ASSERT (content_audio.audio->frames() > 0);
PlayerText ps;
shared_ptr<Image> image = subtitle.sub.image;
+
/* We will scale the subtitle up to fit _video_container_size */
- dcp::Size scaled_size (subtitle.sub.rectangle.width * _video_container_size.width, subtitle.sub.rectangle.height * _video_container_size.height);
+ int const width = subtitle.sub.rectangle.width * _video_container_size.width;
+ int const height = subtitle.sub.rectangle.height * _video_container_size.height;
+ if (width == 0 || height == 0) {
+ return;
+ }
+
+ dcp::Size scaled_size (width, height);
ps.bitmap.push_back (BitmapText(image->scale(scaled_size, dcp::YUV_TO_RGB_REC601, image->pixel_format(), true, _fast), subtitle.sub.rectangle));
DCPTime from (content_time_to_dcp (piece, subtitle.from()));
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);
+ shared_ptr<AudioBuffers> cut (new AudioBuffers(audio, remaining_frames, discard_frames));
return make_pair(cut, time + discard_time);
}