| Dharmaray Kundargi | 643290d | 2011-01-16 16:02:42 -0800 | [diff] [blame^] | 1 | /*
|
| 2 | * Copyright (C) 2011 NXP Software
|
| 3 | * Copyright (C) 2011 The Android Open Source Project
|
| 4 | *
|
| 5 | * Licensed under the Apache License, Version 2.0 (the "License");
|
| 6 | * you may not use this file except in compliance with the License.
|
| 7 | * You may obtain a copy of the License at
|
| 8 | *
|
| 9 | * http://www.apache.org/licenses/LICENSE-2.0
|
| 10 | *
|
| 11 | * Unless required by applicable law or agreed to in writing, software
|
| 12 | * distributed under the License is distributed on an "AS IS" BASIS,
|
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| 14 | * See the License for the specific language governing permissions and
|
| 15 | * limitations under the License.
|
| 16 | */
|
| 17 |
|
| 18 | #include "M4OSA_Error.h"
|
| 19 | #include "M4OSA_Types.h"
|
| 20 | #include "M4OSA_Memory.h"
|
| 21 | #include "M4OSA_Export.h"
|
| 22 | #include "M4OSA_CoreID.h"
|
| 23 |
|
| 24 | namespace android{
|
| 25 |
|
| 26 | #define WINDOW_SIZE 10
|
| 27 |
|
| 28 | enum veAudioFormat {MONO_16_BIT, STEREO_16_BIT};
|
| 29 |
|
| 30 |
|
| 31 | typedef struct {
|
| 32 | M4OSA_UInt16* m_dataAddress; // Android SRC needs a Int16 pointer
|
| 33 | M4OSA_UInt32 m_bufferSize;
|
| 34 | } M4AM_Buffer;
|
| 35 |
|
| 36 | // Following struct will be used by app to supply the PT and BT properties
|
| 37 | // along with ducking values
|
| 38 | typedef struct {
|
| 39 | M4OSA_Int32 lvInSampleRate; // Sampling audio freq (8000,16000 or more )
|
| 40 | M4OSA_Int32 lvOutSampleRate; //Sampling audio freq (8000,16000 or more )
|
| 41 | veAudioFormat lvBTFormat;
|
| 42 |
|
| 43 | M4OSA_Int32 lvInDucking_threshold;
|
| 44 | M4OSA_Float lvInDucking_lowVolume;
|
| 45 | M4OSA_Bool lvInDucking_enable;
|
| 46 | M4OSA_Float lvPTVolLevel;
|
| 47 | M4OSA_Float lvBTVolLevel;
|
| 48 | M4OSA_Int32 lvBTChannelCount;
|
| 49 | M4OSA_Int32 lvPTChannelCount;
|
| 50 | } veAudMixSettings;
|
| 51 |
|
| 52 | // This class is defined to get SF SRC access
|
| 53 | class VideoEditorBGAudioProcessing {
|
| 54 | public:
|
| 55 | VideoEditorBGAudioProcessing();
|
| 56 | void veSetAudioProcessingParams(veAudMixSettings mixParams);
|
| 57 | M4OSA_Int32 veProcessAudioMixNDuck(void* , void *, void *);
|
| 58 |
|
| 59 | protected:
|
| 60 | ~VideoEditorBGAudioProcessing();
|
| 61 |
|
| 62 | private:
|
| 63 | M4OSA_Int32 mInSampleRate;
|
| 64 | M4OSA_Int32 mOutSampleRate;
|
| 65 | veAudioFormat mBTFormat;
|
| 66 |
|
| 67 | M4OSA_Bool mIsSSRCneeded;
|
| 68 | M4OSA_Int32 mBTChannelCount;
|
| 69 | M4OSA_Int32 mPTChannelCount;
|
| 70 | M4OSA_UInt8 mChannelConversion;
|
| 71 |
|
| 72 | M4OSA_UInt32 mDucking_threshold;
|
| 73 | M4OSA_Float mDucking_lowVolume;
|
| 74 | M4OSA_Float mDuckingFactor ;
|
| 75 | M4OSA_Bool mDucking_enable;
|
| 76 | M4OSA_Int32 mAudioVolumeArray[WINDOW_SIZE];
|
| 77 | M4OSA_Int32 mAudVolArrIndex;
|
| 78 | M4OSA_Bool mDoDucking;
|
| 79 | M4OSA_Float mPTVolLevel;
|
| 80 | M4OSA_Float mBTVolLevel;
|
| 81 |
|
| 82 | M4AM_Buffer mPTBuffer;
|
| 83 | M4AM_Buffer mBTBuffer;
|
| 84 | M4AM_Buffer mOutMixBuffer;
|
| 85 | M4OSA_Int16 *mTempBuffer;
|
| 86 | M4OSA_Int32 mTempFrameCount;
|
| 87 |
|
| 88 | M4OSA_Int32 getDecibelSound(M4OSA_UInt32 value);
|
| 89 | M4OSA_Bool isThresholdBreached(M4OSA_Int32* averageValue,
|
| 90 | M4OSA_Int32 storeCount, M4OSA_Int32 thresholdValue);
|
| 91 |
|
| 92 | // This returns the size of buffer which needs to allocated
|
| 93 | // before resampling is called
|
| 94 | M4OSA_Int32 calculateOutResampleBufSize();
|
| 95 | };
|
| 96 | } // namespace android
|