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No longer zero out VST3 audio buffers

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Apparently we also never did this for VST2 plugins, so this should be
safe. Filling the vectors with zeroes here had a non-negligible
performance impact according to perf.
This commit is contained in:
Robbert van der Helm
2021-05-23 15:55:29 +02:00
parent 8429919dfe
commit d2965e048d
2 changed files with 6 additions and 2 deletions
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src/common/serialization/vst3/process-data.cpp
+2 -2
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@@ -33,7 +33,7 @@ void YaAudioBusBuffers::clear(int32 sample_size,
std::get<std::vector<std::vector<double>>>(buffers);
vector_buffers.resize(num_channels);
for (size_t i = 0; i < vector_buffers.size(); i++) {
vector_buffers[i].assign(num_samples, 0.0);
vector_buffers[i].resize(num_samples);
}
} else {
if (!std::holds_alternative<std::vector<std::vector<float>>>(buffers)) {
@@ -44,7 +44,7 @@ void YaAudioBusBuffers::clear(int32 sample_size,
std::get<std::vector<std::vector<float>>>(buffers);
vector_buffers.resize(num_channels);
for (size_t i = 0; i < vector_buffers.size(); i++) {
vector_buffers[i].assign(num_samples, 0.0f);
vector_buffers[i].resize(num_samples);
}
}
}