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/*
* Copyright (C) 2010 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 AAC_ENCODER_H
#define AAC_ENCODER_H
#include <media/stagefright/MediaSource.h>
#include <media/stagefright/MetaData.h>
struct VO_AUDIO_CODECAPI;
struct VO_MEM_OPERATOR;
namespace android {
struct MediaBufferGroup;
class AACEncoder: public MediaSource {
public:
AACEncoder(const sp<MediaSource> &source, const sp<MetaData> &meta);
virtual status_t start(MetaData *params);
virtual status_t stop();
virtual sp<MetaData> getFormat();
virtual status_t read(
MediaBuffer **buffer, const ReadOptions *options);
protected:
virtual ~AACEncoder();
private:
sp<MediaSource> mSource;
sp<MetaData> mMeta;
bool mStarted;
MediaBufferGroup *mBufferGroup;
MediaBuffer *mInputBuffer;
status_t mInitCheck;
int32_t mSampleRate;
int32_t mChannels;
int32_t mBitRate;
int32_t mFrameCount;
int64_t mAnchorTimeUs;
int64_t mNumInputSamples;
enum {
kNumSamplesPerFrame = 1024,
};
int16_t *mInputFrame;
uint8_t mAudioSpecificConfigData[2]; // auido specific data
void *mEncoderHandle;
VO_AUDIO_CODECAPI *mApiHandle;
VO_MEM_OPERATOR *mMemOperator;
status_t setAudioSpecificConfigData();
status_t initCheck();
AACEncoder& operator=(const AACEncoder &rhs);
AACEncoder(const AACEncoder& copy);
};
}
#endif //#ifndef AAC_ENCODER_H
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