GMPVideoEncodedFrameImpl.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

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#ifndef GMPVideoEncodedFrameImpl_h_

#define GMPVideoEncodedFrameImpl_h_

#include "gmp-errors.h"

#include "gmp-video-frame.h"

#include "gmp-video-frame-encoded.h"

#include "mozilla/ipc/Shmem.h"

namespace mozilla {

class CryptoSample;

namespace gmp {

class GMPVideoHostImpl;

class GMPVideoEncodedFrameData;

class GMPVideoEncodedFrameImpl : public GMPVideoEncodedFrame {

  friend struct IPC::ParamTraits<mozilla::gmp::GMPVideoEncodedFrameImpl>;

 public:

  explicit GMPVideoEncodedFrameImpl(GMPVideoHostImpl* aHost);

  GMPVideoEncodedFrameImpl(const GMPVideoEncodedFrameData& aFrameData,

                           GMPVideoHostImpl* aHost);

  virtual ~GMPVideoEncodedFrameImpl();

  // This is called during a normal destroy sequence, which is

  // when a consumer is finished or during XPCOM shutdown.

  void DoneWithAPI();

  // Does not attempt to release Shmem, as the Shmem has already been released.

  void ActorDestroyed();

  bool RelinquishFrameData(GMPVideoEncodedFrameData& aFrameData);

  // GMPVideoFrame

  GMPVideoFrameFormat GetFrameFormat() override;

  void Destroy() override;

  // GMPVideoEncodedFrame

  GMPErr CreateEmptyFrame(uint32_t aSize) override;

  GMPErr CopyFrame(const GMPVideoEncodedFrame& aFrame) override;

  void SetEncodedWidth(uint32_t aEncodedWidth) override;

  uint32_t EncodedWidth() override;

  void SetEncodedHeight(uint32_t aEncodedHeight) override;

  uint32_t EncodedHeight() override;

  // Microseconds

  void SetTimeStamp(uint64_t aTimeStamp) override;

  uint64_t TimeStamp() override;

  // Set frame duration (microseconds)

  // NOTE: next-frame's Timestamp() != this-frame's TimeStamp()+Duration()

  // depending on rounding to avoid having to track roundoff errors

  // and dropped/missing frames(!) (which may leave a large gap)

  void SetDuration(uint64_t aDuration) override;

  uint64_t Duration() const override;

  void SetFrameType(GMPVideoFrameType aFrameType) override;

  GMPVideoFrameType FrameType() override;

  void SetAllocatedSize(uint32_t aNewSize) override;

  uint32_t AllocatedSize() override;

  void SetSize(uint32_t aSize) override;

  uint32_t Size() override;

  void SetCompleteFrame(bool aCompleteFrame) override;

  bool CompleteFrame() override;

  const uint8_t* Buffer() const override;

  uint8_t* Buffer() override;

  GMPBufferType BufferType() const override;

  void SetBufferType(GMPBufferType aBufferType) override;

 private:

  void DestroyBuffer();

  uint32_t mEncodedWidth;

  uint32_t mEncodedHeight;

  uint64_t mTimeStamp;

  uint64_t mDuration;

  GMPVideoFrameType mFrameType;

  uint32_t mSize;

  bool mCompleteFrame;

  GMPVideoHostImpl* mHost;

  ipc::Shmem mBuffer;

  GMPBufferType mBufferType;

};

}  // namespace gmp

}  // namespace mozilla

#endif  // GMPVideoEncodedFrameImpl_h_