_black = Empty (_film, playlist(), bind(&have_video, _1), _playback_length);
_silent = Empty (_film, playlist(), bind(&have_audio, _1), _playback_length);
- _last_video_time = boost::optional<dcpomatic::DCPTime>();
- _last_video_eyes = Eyes::BOTH;
- _last_audio_time = boost::optional<dcpomatic::DCPTime>();
+ _next_video_time = boost::optional<dcpomatic::DCPTime>();
+ _next_video_eyes = Eyes::BOTH;
+ _next_audio_time = boost::optional<dcpomatic::DCPTime>();
}
earliest_content->done = earliest_content->decoder->pass ();
auto dcp = dynamic_pointer_cast<DCPContent>(earliest_content->content);
if (dcp && !_play_referenced && dcp->reference_audio()) {
- /* We are skipping some referenced DCP audio content, so we need to update _last_audio_time
+ /* We are skipping some referenced DCP audio content, so we need to update _next_audio_time
to `hide' the fact that no audio was emitted during the referenced DCP (though
we need to behave as though it was).
*/
- _last_audio_time = dcp->end (_film);
+ _next_audio_time = dcp->end (_film);
}
break;
}
{
LOG_DEBUG_PLAYER ("Emit silence for gap at %1", to_string(_silent.position()));
DCPTimePeriod period (_silent.period_at_position());
- if (_last_audio_time) {
+ if (_next_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.
*/
- int64_t const error = labs(period.from.get() - _last_audio_time->get());
+ int64_t const error = labs(period.from.get() - _next_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;
+ period.from = *_next_audio_time;
}
if (period.duration() > one_video_frame()) {
period.to = period.from + one_video_frame();
LOG_DEBUG_PLAYER("Emitting audio up to %1", to_string(pull_to));
auto audio = _audio_merger.pull (pull_to);
for (auto i = audio.begin(); i != audio.end(); ++i) {
- if (_last_audio_time && i->second < *_last_audio_time) {
+ if (_next_audio_time && i->second < *_next_audio_time) {
/* This new data comes before the last we emitted (or the last seek); discard it */
- auto cut = discard_audio (i->first, i->second, *_last_audio_time);
+ auto cut = discard_audio (i->first, i->second, *_next_audio_time);
if (!cut.first) {
continue;
}
*i = cut;
- } else if (_last_audio_time && i->second > *_last_audio_time) {
+ } else if (_next_audio_time && i->second > *_next_audio_time) {
/* There's a gap between this data and the last we emitted; fill with silence */
- fill_audio (DCPTimePeriod (*_last_audio_time, i->second));
+ fill_audio (DCPTimePeriod (*_next_audio_time, i->second));
}
emit_audio (i->first, i->second);
if it's after the content's period here as in that case we still need to fill any gap between
`now' and the end of the content's period.
*/
- if (time < piece->content->position() || (_last_video_time && time < *_last_video_time)) {
+ if (time < piece->content->position() || (_next_video_time && time < *_next_video_time)) {
return;
}
*/
DCPTime fill_to = min (time, piece->content->end(_film));
- if (_last_video_time) {
- DCPTime fill_from = max (*_last_video_time, piece->content->position());
+ if (_next_video_time) {
+ DCPTime fill_from = max (*_next_video_time, piece->content->position());
/* Fill if we have more than half a frame to do */
if ((fill_to - fill_from) > one_video_frame() / 2) {
fill_to_eyes = Eyes::LEFT;
}
auto j = fill_from;
- auto eyes = _last_video_eyes.get_value_or(Eyes::LEFT);
+ auto eyes = _next_video_eyes.get_value_or(Eyes::LEFT);
if (eyes == Eyes::BOTH) {
eyes = Eyes::LEFT;
}
}
if (accurate) {
- _last_video_time = time;
- _last_video_eyes = Eyes::LEFT;
- _last_audio_time = time;
+ _next_video_time = time;
+ _next_video_eyes = Eyes::LEFT;
+ _next_audio_time = time;
} else {
- _last_video_time = optional<DCPTime>();
- _last_video_eyes = optional<Eyes>();
- _last_audio_time = optional<DCPTime>();
+ _next_video_time = optional<DCPTime>();
+ _next_video_eyes = optional<Eyes>();
+ _next_audio_time = optional<DCPTime>();
}
_black.set_position (time);
_delay.push_back (make_pair (pv, time));
if (pv->eyes() == Eyes::BOTH || pv->eyes() == Eyes::RIGHT) {
- _last_video_time = time + one_video_frame();
+ _next_video_time = time + one_video_frame();
}
- _last_video_eyes = increment_eyes (pv->eyes());
+ _next_video_eyes = increment_eyes (pv->eyes());
if (_delay.size() < 3) {
return;
Player::emit_audio (shared_ptr<AudioBuffers> data, DCPTime time)
{
/* Log if the assert below is about to fail */
- if (_last_audio_time && labs(time.get() - _last_audio_time->get()) > 1) {
- _film->log()->log(String::compose("Out-of-sequence emit %1 vs %2", to_string(time), to_string(*_last_audio_time)), LogEntry::TYPE_WARNING);
+ if (_next_audio_time && labs(time.get() - _next_audio_time->get()) > 1) {
+ _film->log()->log(String::compose("Out-of-sequence emit %1 vs %2", to_string(time), to_string(*_next_audio_time)), LogEntry::TYPE_WARNING);
}
/* This audio must follow on from the previous, allowing for half a sample (at 48kHz) leeway */
- DCPOMATIC_ASSERT (!_last_audio_time || labs(time.get() - _last_audio_time->get()) < 2);
+ DCPOMATIC_ASSERT (!_next_audio_time || labs(time.get() - _next_audio_time->get()) < 2);
Audio (data, time, _film->audio_frame_rate());
- _last_audio_time = time + DCPTime::from_frames (data->frames(), _film->audio_frame_rate());
+ _next_audio_time = time + DCPTime::from_frames (data->frames(), _film->audio_frame_rate());
}