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#ifndef REPEATER_SOURCE_H_
#define REPEATER_SOURCE_H_
#include <media/stagefright/foundation/ABase.h>
#include <media/stagefright/foundation/AHandlerReflector.h>
#include <media/stagefright/MediaSource.h>
namespace android {
// This MediaSource delivers frames at a constant rate by repeating buffers
// if necessary.
struct RepeaterSource : public MediaSource {
RepeaterSource(const sp<MediaSource> &source, double rateHz);
virtual status_t start(MetaData *params);
virtual status_t stop();
virtual sp<MetaData> getFormat();
virtual status_t read(
MediaBuffer **buffer, const ReadOptions *options);
void onMessageReceived(const sp<AMessage> &msg);
// If RepeaterSource is currently dormant, because SurfaceFlinger didn't
// send updates in a while, this is its wakeup call.
void wakeUp();
protected:
virtual ~RepeaterSource();
private:
enum {
kWhatRead,
};
Mutex mLock;
Condition mCondition;
bool mStarted;
sp<MediaSource> mSource;
double mRateHz;
sp<ALooper> mLooper;
sp<AHandlerReflector<RepeaterSource> > mReflector;
MediaBuffer *mBuffer;
status_t mResult;
int64_t mLastBufferUpdateUs;
int64_t mStartTimeUs;
int32_t mFrameCount;
void postRead();
DISALLOW_EVIL_CONSTRUCTORS(RepeaterSource);
};
} // namespace android
#endif // REPEATER_SOURCE_H_
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