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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* Copyright (c) 2011, The WebRTC project authors. All rights reserved.
* Copyright (c) 2014, Mozilla
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
** Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
** 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.
*
** Neither the name of Google nor the names of its contributors may
* be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* 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 GMP_VIDEO_FRAME_ENCODED_h_
#define GMP_VIDEO_FRAME_ENCODED_h_
#include <stdint.h>
#include "gmp-decryption.h"
#include "gmp-video-frame.h"
#include "gmp-video-codec.h"
enum GMPVideoFrameType
{
kGMPKeyFrame = 0,
kGMPDeltaFrame = 1,
kGMPGoldenFrame = 2,
kGMPAltRefFrame = 3,
kGMPSkipFrame = 4,
kGMPVideoFrameInvalid = 5 // Must always be last.
};
// The implementation backing this interface uses shared memory for the
// buffer(s). This means it can only be used by the "owning" process.
// At first the process which created the object owns it. When the object
// is passed to an interface the creator loses ownership and must Destroy()
// the object. Further attempts to use it may fail due to not being able to
// access the underlying buffer(s).
//
// Methods that create or destroy shared memory must be called on the main
// thread. They are marked below.
class GMPVideoEncodedFrame : public GMPVideoFrame
{
public:
// MAIN THREAD ONLY
virtual GMPErr CreateEmptyFrame(uint32_t aSize) = 0;
// MAIN THREAD ONLY
virtual GMPErr CopyFrame(const GMPVideoEncodedFrame& aVideoFrame) = 0;
virtual void SetEncodedWidth(uint32_t aEncodedWidth) = 0;
virtual uint32_t EncodedWidth() = 0;
virtual void SetEncodedHeight(uint32_t aEncodedHeight) = 0;
virtual uint32_t EncodedHeight() = 0;
// Microseconds
virtual void SetTimeStamp(uint64_t aTimeStamp) = 0;
virtual uint64_t TimeStamp() = 0;
// 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)
virtual void SetDuration(uint64_t aDuration) = 0;
virtual uint64_t Duration() const = 0;
virtual void SetFrameType(GMPVideoFrameType aFrameType) = 0;
virtual GMPVideoFrameType FrameType() = 0;
virtual void SetAllocatedSize(uint32_t aNewSize) = 0;
virtual uint32_t AllocatedSize() = 0;
virtual void SetSize(uint32_t aSize) = 0;
virtual uint32_t Size() = 0;
virtual void SetCompleteFrame(bool aCompleteFrame) = 0;
virtual bool CompleteFrame() = 0;
virtual const uint8_t* Buffer() const = 0;
virtual uint8_t* Buffer() = 0;
virtual GMPBufferType BufferType() const = 0;
virtual void SetBufferType(GMPBufferType aBufferType) = 0;
// Get metadata describing how this frame is encrypted, or nullptr if the
// frame is not encrypted.
virtual const GMPEncryptedBufferMetadata* GetDecryptionData() const = 0;
};
#endif // GMP_VIDEO_FRAME_ENCODED_h_
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