/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim: set sw=2 ts=8 et ft=cpp : */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
// Util methods for working with webrtc::VideoFrame(s) and // the IPC classes that are used to deliver their contents to the // MediaEnginge
class VideoFrameUtils { public: // Returns the total number of bytes necessary to copy a VideoFrame's buffer // across all planes. static uint32_t TotalRequiredBufferSize(const webrtc::VideoFrame& frame);
// Initializes a camera::VideoFrameProperties from a VideoFrameBuffer staticvoid InitFrameBufferProperties( const webrtc::VideoFrame& aVideoFrame,
camera::VideoFrameProperties& aDestProperties);
// Copies the buffers out of a VideoFrameBuffer into a buffer. // Attempts to make as few memcopies as possible. staticvoid CopyVideoFrameBuffers(uint8_t* aDestBuffer, const size_t aDestBufferSize, const webrtc::VideoFrame& aVideoFrame);
// Copies the buffers in a VideoFrameBuffer into a Shmem // returns the eno from the underlying memcpy. staticvoid CopyVideoFrameBuffers(ShmemBuffer& aDestShmem, const webrtc::VideoFrame& aVideoFrame);
};
} /* namespace mozilla */
#endif
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