copy_from (other.get(), other->_frames, 0, 0);
}
+AudioBuffers::AudioBuffers (boost::shared_ptr<const AudioBuffers> other, int32_t frames_to_copy, int32_t read_offset)
+{
+ allocate (other->_channels, frames_to_copy);
+ copy_from (other.get(), frames_to_copy, read_offset, 0);
+}
+
AudioBuffers &
AudioBuffers::operator= (AudioBuffers const & other)
{
AudioBuffers (int channels, int32_t frames);
AudioBuffers (AudioBuffers const &);
explicit AudioBuffers (boost::shared_ptr<const AudioBuffers>);
+ AudioBuffers (boost::shared_ptr<const AudioBuffers> other, int32_t frames_to_copy, int32_t read_offset);
~AudioBuffers ();
AudioBuffers & operator= (AudioBuffers const &);
out.push_back (make_pair (i.audio, i.time));
} else if (i.time < time) {
/* Overlaps the end of the pull period */
- shared_ptr<AudioBuffers> audio (new AudioBuffers (i.audio->channels(), frames(DCPTime(time - i.time))));
- /* Though time > i.time, audio->frames() could be 0 if the difference in time is less than one frame */
- if (audio->frames() > 0) {
- audio->copy_from (i.audio.get(), audio->frames(), 0, 0);
- out.push_back (make_pair (audio, i.time));
- i.audio->trim_start (audio->frames ());
- i.time += DCPTime::from_frames(audio->frames(), _frame_rate);
+ int32_t const overlap = frames(DCPTime(time - i.time));
+ /* Though time > i.time, overlap could be 0 if the difference in time is less than one frame */
+ if (overlap > 0) {
+ shared_ptr<AudioBuffers> audio(new AudioBuffers(i.audio, overlap, 0));
+ out.push_back (make_pair(audio, i.time));
+ i.audio->trim_start (overlap);
+ i.time += DCPTime::from_frames(overlap, _frame_rate);
DCPOMATIC_ASSERT (i.audio->frames() > 0);
new_buffers.push_back (i);
}
}
/* Get the part of audio that we want to use */
- shared_ptr<AudioBuffers> part (new AudioBuffers (audio->channels(), frames(i.to) - frames(i.from)));
- part->copy_from (audio.get(), part->frames(), frames(DCPTime(i.from - time)), 0);
+ shared_ptr<AudioBuffers> part (new AudioBuffers(audio, frames(i.to) - frames(i.from), frames(DCPTime(i.from - time))));
if (before == _buffers.end() && after == _buffers.end()) {
if (part->frames() > 0) {
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);
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);
}
};
if (part_frames[0]) {
- shared_ptr<AudioBuffers> part (new AudioBuffers (audio->channels(), part_frames[0]));
- part->copy_from (audio.get(), part_frames[0], 0, 0);
+ shared_ptr<AudioBuffers> part (new AudioBuffers(audio, part_frames[0], 0));
_audio_reel->write (part);
}
if (part_frames[1]) {
- shared_ptr<AudioBuffers> part (new AudioBuffers (audio->channels(), part_frames[1]));
- part->copy_from (audio.get(), part_frames[1], part_frames[0], 0);
- audio = part;
+ audio.reset (new AudioBuffers(audio, part_frames[1], part_frames[0]));
} else {
audio.reset ();
}