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/*
* Copyright (C) 2014 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 WEBMFRAMETHREAD_H_
#define WEBMFRAMETHREAD_H_
#include "WebmFrame.h"
#include "LinkedBlockingQueue.h"
#include <media/stagefright/FileSource.h>
#include <media/stagefright/MediaSource.h>
#include <utils/List.h>
#include <utils/Errors.h>
#include <pthread.h>
namespace android {
class WebmFrameThread : public LightRefBase<WebmFrameThread> {
public:
virtual void run() = 0;
virtual bool running() { return false; }
virtual status_t start();
virtual status_t pause() { return OK; }
virtual status_t resume() { return OK; }
virtual status_t stop();
virtual ~WebmFrameThread() { stop(); }
static void *wrap(void *arg);
protected:
WebmFrameThread()
: mThread(0) {
}
private:
pthread_t mThread;
DISALLOW_EVIL_CONSTRUCTORS(WebmFrameThread);
};
//=================================================================================================
class WebmFrameSourceThread;
class WebmFrameSinkThread : public WebmFrameThread {
public:
WebmFrameSinkThread(
const int& fd,
const uint64_t& off,
sp<WebmFrameSourceThread> videoThread,
sp<WebmFrameSourceThread> audioThread,
List<sp<WebmElement> >& cues);
WebmFrameSinkThread(
const int& fd,
const uint64_t& off,
LinkedBlockingQueue<const sp<WebmFrame> >& videoSource,
LinkedBlockingQueue<const sp<WebmFrame> >& audioSource,
List<sp<WebmElement> >& cues);
void run();
bool running() {
return !mDone;
}
status_t start();
status_t stop();
private:
const int& mFd;
const uint64_t& mSegmentDataStart;
LinkedBlockingQueue<const sp<WebmFrame> >& mVideoFrames;
LinkedBlockingQueue<const sp<WebmFrame> >& mAudioFrames;
List<sp<WebmElement> >& mCues;
volatile bool mDone;
static void initCluster(
List<const sp<WebmFrame> >& frames,
uint64_t& clusterTimecodeL,
List<sp<WebmElement> >& children);
void writeCluster(List<sp<WebmElement> >& children);
void flushFrames(List<const sp<WebmFrame> >& frames, bool last);
};
//=================================================================================================
class WebmFrameSourceThread : public WebmFrameThread {
public:
WebmFrameSourceThread(int type, LinkedBlockingQueue<const sp<WebmFrame> >& sink);
virtual int64_t getDurationUs() = 0;
protected:
const int mType;
LinkedBlockingQueue<const sp<WebmFrame> >& mSink;
friend class WebmFrameSinkThread;
};
//=================================================================================================
class WebmFrameEmptySourceThread : public WebmFrameSourceThread {
public:
WebmFrameEmptySourceThread(int type, LinkedBlockingQueue<const sp<WebmFrame> >& sink)
: WebmFrameSourceThread(type, sink) {
}
void run() { mSink.push(WebmFrame::EOS); }
int64_t getDurationUs() { return 0; }
};
//=================================================================================================
class WebmFrameMediaSourceThread: public WebmFrameSourceThread {
public:
WebmFrameMediaSourceThread(
const sp<MediaSource>& source,
int type,
LinkedBlockingQueue<const sp<WebmFrame> >& sink,
uint64_t timeCodeScale,
int64_t startTimeRealUs,
int32_t startTimeOffsetMs,
int numPeers,
bool realTimeRecording);
void run();
status_t start();
status_t resume();
status_t pause();
status_t stop();
int64_t getDurationUs() {
return mTrackDurationUs;
}
private:
const sp<MediaSource> mSource;
const uint64_t mTimeCodeScale;
uint64_t mStartTimeUs;
volatile bool mDone;
volatile bool mPaused;
volatile bool mResumed;
volatile bool mStarted;
volatile bool mReachedEOS;
int64_t mTrackDurationUs;
void clearFlags();
};
} /* namespace android */
#endif /* WEBMFRAMETHREAD_H_ */
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