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Diffstat (limited to 'dom/media/gmp/GMPVideoEncodedFrameImpl.h')
| -rw-r--r-- | dom/media/gmp/GMPVideoEncodedFrameImpl.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/dom/media/gmp/GMPVideoEncodedFrameImpl.h b/dom/media/gmp/GMPVideoEncodedFrameImpl.h new file mode 100644 index 000000000..69858f1c6 --- /dev/null +++ b/dom/media/gmp/GMPVideoEncodedFrameImpl.h @@ -0,0 +1,122 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* Copyright (c) 2014, Mozilla Corporation + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef GMPVideoEncodedFrameImpl_h_ +#define GMPVideoEncodedFrameImpl_h_ + +#include "gmp-errors.h" +#include "gmp-video-frame.h" +#include "gmp-video-frame-encoded.h" +#include "gmp-decryption.h" +#include "mozilla/ipc/Shmem.h" +#include "nsAutoPtr.h" + +namespace mozilla { +class CryptoSample; + +namespace gmp { + +class GMPVideoHostImpl; +class GMPVideoEncodedFrameData; +class GMPEncryptedBufferDataImpl; + +class GMPVideoEncodedFrameImpl: public GMPVideoEncodedFrame +{ + friend struct IPC::ParamTraits<mozilla::gmp::GMPVideoEncodedFrameImpl>; +public: + explicit GMPVideoEncodedFrameImpl(GMPVideoHostImpl* aHost); + GMPVideoEncodedFrameImpl(const GMPVideoEncodedFrameData& aFrameData, GMPVideoHostImpl* aHost); + virtual ~GMPVideoEncodedFrameImpl(); + + void InitCrypto(const CryptoSample& aCrypto); + + // 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; + const GMPEncryptedBufferMetadata* GetDecryptionData() const 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; + nsAutoPtr<GMPEncryptedBufferDataImpl> mCrypto; +}; + +} // namespace gmp + +} // namespace mozilla + +#endif // GMPVideoEncodedFrameImpl_h_ |