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-rwxr-xr-xlibvideoeditor/lvpp/VideoEditorBGAudioProcessing.h110
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diff --git a/libvideoeditor/lvpp/VideoEditorBGAudioProcessing.h b/libvideoeditor/lvpp/VideoEditorBGAudioProcessing.h
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--- a/libvideoeditor/lvpp/VideoEditorBGAudioProcessing.h
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-/*
- * Copyright (C) 2011 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef VE_BACKGROUND_AUDIO_PROC_H
-#define VE_BACKGROUND_AUDIO_PROC_H
-
-#include "M4OSA_Error.h"
-#include "M4OSA_Types.h"
-#include "M4OSA_Memory.h"
-#include "M4OSA_Export.h"
-#include "M4OSA_CoreID.h"
-
-
-namespace android {
-
-typedef struct {
- M4OSA_UInt16* m_dataAddress; // Android SRC needs a Int16 pointer
- M4OSA_UInt32 m_bufferSize;
-} M4AM_Buffer16; // Structure contains Int16_t pointer
-
-enum AudioFormat {
- MONO_16_BIT,
- STEREO_16_BIT
-};
-
-// Following struct will be used by app to supply the PT and BT properties
-// along with ducking values
-typedef struct {
- M4OSA_Int32 lvInSampleRate; // Sampling audio freq (8000,16000 or more )
- M4OSA_Int32 lvOutSampleRate; //Sampling audio freq (8000,16000 or more )
- AudioFormat lvBTFormat;
-
- M4OSA_Int32 lvInDucking_threshold;
- M4OSA_Float lvInDucking_lowVolume;
- M4OSA_Bool lvInDucking_enable;
- M4OSA_Float lvPTVolLevel;
- M4OSA_Float lvBTVolLevel;
- M4OSA_Int32 lvBTChannelCount;
- M4OSA_Int32 lvPTChannelCount;
-} AudioMixSettings;
-
-// This class is defined to get SF SRC access
-class VideoEditorBGAudioProcessing {
-public:
- VideoEditorBGAudioProcessing();
- ~VideoEditorBGAudioProcessing() {}
-
- void setMixParams(const AudioMixSettings& params);
-
- M4OSA_Int32 mixAndDuck(
- void* primaryTrackBuffer,
- void* backgroundTrackBuffer,
- void* mixedOutputBuffer);
-
-private:
- enum {
- kProcessingWindowSize = 10,
- };
-
- M4OSA_Int32 mInSampleRate;
- M4OSA_Int32 mOutSampleRate;
- AudioFormat mBTFormat;
-
- M4OSA_Bool mIsSSRCneeded;
- M4OSA_Int32 mBTChannelCount;
- M4OSA_Int32 mPTChannelCount;
- M4OSA_UInt8 mChannelConversion;
-
- M4OSA_UInt32 mDucking_threshold;
- M4OSA_Float mDucking_lowVolume;
- M4OSA_Float mDuckingFactor ;
- M4OSA_Bool mDucking_enable;
- M4OSA_Int32 mAudioVolumeArray[kProcessingWindowSize];
- M4OSA_Int32 mAudVolArrIndex;
- M4OSA_Bool mDoDucking;
- M4OSA_Float mPTVolLevel;
- M4OSA_Float mBTVolLevel;
-
- M4AM_Buffer16 mBTBuffer;
-
- M4OSA_Int32 getDecibelSound(M4OSA_UInt32 value);
- M4OSA_Bool isThresholdBreached(M4OSA_Int32* averageValue,
- M4OSA_Int32 storeCount, M4OSA_Int32 thresholdValue);
-
- // This returns the size of buffer which needs to allocated
- // before resampling is called
- M4OSA_Int32 calculateOutResampleBufSize();
-
- // Don't call me.
- VideoEditorBGAudioProcessing(const VideoEditorBGAudioProcessing&);
- VideoEditorBGAudioProcessing& operator=(
- const VideoEditorBGAudioProcessing&);
-};
-
-} // namespace android
-
-#endif // VE_BACKGROUND_AUDIO_PROC_H