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a381e0b7c6
#rb phil.popp #jira UE-178166, UE-178167, UE-178169, UE-178180 #preflight 641a3a0fa6092dfb8d752a67 [CL 24756329 by Brian Chrisman in ue5-main branch]
45 lines
1.6 KiB
C++
45 lines
1.6 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "AudioCaptureCore.h"
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#include <AudioToolbox/AudioToolbox.h>
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#include <AudioUnit/AudioUnit.h>
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namespace Audio
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{
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class FAudioCaptureAudioUnitStream : public IAudioCaptureStream
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{
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public:
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FAudioCaptureAudioUnitStream();
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virtual bool GetCaptureDeviceInfo(FCaptureDeviceInfo& OutInfo, int32 DeviceIndex) override;
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virtual bool OpenAudioCaptureStream(const FAudioCaptureDeviceParams& InParams, FOnAudioCaptureFunction InOnCapture, uint32 NumFramesDesired) override;
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virtual bool CloseStream() override;
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virtual bool StartStream() override;
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virtual bool StopStream() override;
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virtual bool AbortStream() override;
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virtual bool GetStreamTime(double& OutStreamTime) override;
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virtual int32 GetSampleRate() const override { return SampleRate; }
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virtual bool IsStreamOpen() const override;
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virtual bool IsCapturing() const override;
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virtual void OnAudioCapture(void* InBuffer, uint32 InBufferFrames, double StreamTime, bool bOverflow) override;
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virtual bool GetInputDevicesAvailable(TArray<FCaptureDeviceInfo>& OutDevices) override;
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virtual void SetHardwareFeatureEnabled(EHardwareInputFeature FeatureType, bool bEnabled);
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OSStatus OnCaptureCallback( AudioUnitRenderActionFlags* ioActionFlags, const AudioTimeStamp* inTimeStamp, UInt32 inBusNumber, UInt32 inNumberFrames, AudioBufferList* ioData );
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private:
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void AllocateBuffer(int SizeInBytes);
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AudioComponentInstance IOUnit;
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FOnAudioCaptureFunction OnCapture;
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int32 NumChannels;
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int32 SampleRate;
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TArray<uint8> CaptureBuffer;
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int BufferSize = 0;
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bool bIsStreamOpen;
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bool bHasCaptureStarted;
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};
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}
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