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Oboe: Avoid allocating on each audio callback

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This commit is contained in:
reuk 2023-03-01 16:14:21 +00:00
parent cb54044c1c
commit 76589ee800
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GPG key ID: FCB43929F012EE5C
1 changed files with 7 additions and 6 deletions
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13
modules/juce_audio_devices/native/juce_android_Oboe.cpp
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@ -797,8 +797,9 @@ private:
jassert (stream->getDirection() == oboe::Direction::Output && stream == outputStream->getNativeStream());
// Read input from Oboe
inputStreamSampleBuffer.clear();
inputStreamNativeBuffer.calloc (static_cast<size_t> (numInputChannels * bufferSize));
const auto expandedBufferSize = jmax (inputStreamNativeBuffer.size(),
static_cast<size_t> (numInputChannels * jmax (bufferSize, numFrames)));
inputStreamNativeBuffer.resize (expandedBufferSize);
if (inputStream != nullptr)
{
@ -811,17 +812,17 @@ private:
return oboe::DataCallbackResult::Continue;
}
auto result = inputStream->getNativeStream()->read (inputStreamNativeBuffer.getData(), numFrames, 0);
auto result = inputStream->getNativeStream()->read (inputStreamNativeBuffer.data(), numFrames, 0);
if (result)
{
auto referringDirectlyToOboeData = OboeAudioIODeviceBufferHelpers<SampleType>
::referAudioBufferDirectlyToOboeIfPossible (inputStreamNativeBuffer.get(),
::referAudioBufferDirectlyToOboeIfPossible (inputStreamNativeBuffer.data(),
inputStreamSampleBuffer,
result.value());
if (! referringDirectlyToOboeData)
OboeAudioIODeviceBufferHelpers<SampleType>::convertFromOboe (inputStreamNativeBuffer.get(), inputStreamSampleBuffer, result.value());
OboeAudioIODeviceBufferHelpers<SampleType>::convertFromOboe (inputStreamNativeBuffer.data(), inputStreamSampleBuffer, result.value());
}
else
{
@ -970,7 +971,7 @@ private:
}
}
HeapBlock<SampleType> inputStreamNativeBuffer;
std::vector<SampleType> inputStreamNativeBuffer;
AudioBuffer<float> inputStreamSampleBuffer,
outputStreamSampleBuffer;
Atomic<int> audioCallbackGuard { 0 },