blob: 6420a9bf45c28a48dd83111bc1c7250416366ca7 [file] [log] [blame]
/*
* Copyright (c) 2014, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef ANDROID_EFFECTS_HW_ACC_H
#define ANDROID_EFFECTS_HW_ACC_H
#include <media/AudioBufferProvider.h>
namespace android {
// ----------------------------------------------------------------------------
class EffectsHwAcc {
public:
EffectsHwAcc(uint32_t sampleRate);
virtual ~EffectsHwAcc();
virtual void setSampleRate(uint32_t inpSR, uint32_t outSR);
virtual void unprepareEffects(AudioBufferProvider **trackBufferProvider);
virtual status_t prepareEffects(AudioBufferProvider **trackBufferProvider,
int sessionId, audio_channel_mask_t channelMask,
int frameCount);
virtual void setBufferProvider(AudioBufferProvider **bufferProvider,
AudioBufferProvider **trackBufferProvider);
#ifdef HW_ACC_HPX
virtual void updateHPXState(uint32_t state);
#endif
/* AudioBufferProvider that wraps a track AudioBufferProvider by a call to
h/w accelerated effect */
class EffectsBufferProvider : public AudioBufferProvider {
public:
EffectsBufferProvider();
virtual ~EffectsBufferProvider();
virtual status_t getNextBuffer(Buffer* buffer, int64_t pts);
virtual void releaseBuffer(Buffer* buffer);
AudioBufferProvider* mTrackBufferProvider;
effect_handle_t mEffectsHandle;
effect_config_t mEffectsConfig;
void *mInputBuffer;
void *mOutputBuffer;
uint32_t mInputBufferFrameCountOffset;
};
bool mEnabled;
int32_t mFd;
EffectsBufferProvider* mBufferProvider;
private:
uint32_t mInputSampleRate;
uint32_t mOutputSampleRate;
};
// ----------------------------------------------------------------------------
}; // namespace android
#endif // ANDROID_EFFECTS_HW_ACC_H