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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 DUMMY_AUDIOSOURCE_H_
#define DUMMY_AUDIOSOURCE_H_
#include <media/stagefright/MediaSource.h>
namespace android {
class MetaData;
struct MediaBufferGroup;
struct DummyAudioSource : public MediaSource {
public:
static sp<DummyAudioSource> Create(
int32_t samplingRate, int32_t channelCount,
int64_t frameDurationUs, int64_t audioDurationUs);
virtual status_t start(MetaData *params = NULL);
virtual status_t stop();
virtual sp<MetaData> getFormat();
virtual status_t read(
MediaBuffer **buffer,
const MediaSource::ReadOptions *options = NULL);
void setDuration(int64_t audioDurationUs);
protected:
virtual ~DummyAudioSource();
private:
int32_t mSamplingRate;
int32_t mChannelCount;
int64_t mFrameDurationUs;
int32_t mNumberOfSamplePerFrame;
int64_t mAudioDurationUs;
int64_t mTimeStampUs;
Mutex mLock;
MediaBufferGroup *mBufferGroup;
DummyAudioSource(
int32_t samplingRate, int32_t channelCount,
int64_t frameDurationUs, int64_t audioDurationUs);
// Don't call me
DummyAudioSource(const DummyAudioSource &);
DummyAudioSource &operator=(const DummyAudioSource &);
};
}//namespace android
#endif //DUMMY_AUDIOSOURCE_H_
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