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reworked audio output to 32-bit float

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This commit is contained in:
itsmattkc
2019-04-07 14:09:33 +10:00
parent 644d096f3c
commit 8e3d664061
3 changed files with 18 additions and 22 deletions
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rendering/cacher.cpp
+5 -7
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@@ -422,23 +422,21 @@ void Cacher::CacheAudioWorker() {
audio_write_lock.lock();
int sample_skip = 4*qMax(0, qAbs(playback_speed_)-1);
int sample_skip = qMax(0, qAbs(playback_speed_)-1);
while (frame_sample_index_ < nb_samples
&& audio_buffer_write < audio_ibuffer_read+(audio_ibuffer_size>>1)
&& audio_buffer_write < buffer_timeline_out) {
for (int i=0;i<frame->channels;i++) {
int buffer_index = audio_buffer_write%audio_ibuffer_size;
int frame_index = frame_sample_index_ * sizeof(float);
audio_ibuffer[buffer_index] += static_cast<float>((frame->data[0][frame_index+3] & 0xFF) << 24
| (frame->data[0][frame_index+2] & 0xFF) << 16
| (frame->data[0][frame_index+1] & 0xFF) << 8
| (frame->data[0][frame_index] & 0xFF));
audio_ibuffer[buffer_index] += reinterpret_cast<float*>(frame->data[i])[frame_sample_index_];
audio_buffer_write++;
frame_sample_index_++;
}
frame_sample_index_++;
frame_sample_index_ += sample_skip;
if (audio_reset_) break;