91 lines
3.5 KiB
C++
91 lines
3.5 KiB
C++
/*
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* Copyright (c) 2014-15, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef ANDROID_EFFECTS_HW_ACC_H
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#define ANDROID_EFFECTS_HW_ACC_H
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#include <media/AudioBufferProvider.h>
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namespace android {
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// ----------------------------------------------------------------------------
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class EffectsHwAcc {
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public:
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EffectsHwAcc(uint32_t sampleRate);
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virtual ~EffectsHwAcc();
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virtual void setSampleRate(uint32_t inpSR, uint32_t outSR);
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virtual void unprepareEffects(AudioBufferProvider **trackBufferProvider);
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virtual status_t prepareEffects(AudioBufferProvider **trackInputBufferProvider,
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AudioBufferProvider **trackBufferProvider,
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int sessionId, audio_channel_mask_t channelMask,
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int frameCount);
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virtual void setBufferProvider(AudioBufferProvider **trackInputbufferProvider,
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AudioBufferProvider **trackBufferProvider);
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#ifdef HW_ACC_HPX
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virtual void updateHPXState(uint32_t state);
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#endif
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/* AudioBufferProvider that wraps a track AudioBufferProvider by a call to
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h/w accelerated effect */
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class EffectsBufferProvider : public AudioBufferProvider {
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public:
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EffectsBufferProvider();
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virtual ~EffectsBufferProvider();
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virtual status_t getNextBuffer(Buffer* buffer, int64_t pts);
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virtual void releaseBuffer(Buffer* buffer);
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AudioBufferProvider* mTrackInputBufferProvider;
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AudioBufferProvider* mTrackBufferProvider;
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effect_handle_t mEffectsHandle;
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effect_config_t mEffectsConfig;
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void *mInputBuffer;
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void *mOutputBuffer;
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uint32_t mInputBufferFrameCountOffset;
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};
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bool mEnabled;
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int32_t mFd;
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EffectsBufferProvider* mBufferProvider;
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private:
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uint32_t mInputSampleRate;
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uint32_t mOutputSampleRate;
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};
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// ----------------------------------------------------------------------------
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}; // namespace android
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#endif // ANDROID_EFFECTS_HW_ACC_H
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