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renderer: switched audio rendering over to planar buffers

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While planar audio cannot be used for playback, it's much easier for processing.
This should lead to cleaner and easier to write code in the future.
This commit is contained in:
itsmattkc
2020-03-31 18:01:20 +11:00
parent 8413886c17
commit 6f0d72c05d
30 changed files with 436 additions and 221 deletions
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app/node/audio/pan/pan.cpp
+8 -12
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@@ -47,7 +47,7 @@ NodeInput *PanNode::ProcessesSamplesFrom() const
return samples_input_;
}
void PanNode::ProcessSamples(const NodeValueDatabase *values, const AudioRenderingParams &params, const float *input, float *output, int index) const
void PanNode::ProcessSamples(const NodeValueDatabase *values, const AudioRenderingParams &params, const SampleBufferPtr input, SampleBufferPtr output, int index) const
{
if (params.channel_count() != 2) {
// This node currently only works for stereo audio
@@ -56,18 +56,14 @@ void PanNode::ProcessSamples(const NodeValueDatabase *values, const AudioRenderi
float pan_val = (*values)[panning_input_].Get(NodeParam::kFloat).toFloat();
output[index] = input[index];
for (int i=0;i<params.channel_count();i++) {
output->data()[i][index] = input->data()[i][index];
}
if (index%2 == 0) {
// Sample is left channel
if (pan_val > 0) {
output[index] *= (1.0F - pan_val);
}
} else {
// Sample is right channel
if (pan_val < 0) {
output[index] *= (1.0F - qAbs(pan_val));
}
if (pan_val > 0) {
output->data()[0][index] *= (1.0F - pan_val);
} else if (pan_val < 0) {
output->data()[1][index] *= (1.0F - qAbs(pan_val));
}
}