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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/media/systemservices/VideoFrameUtils.h | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/media/systemservices/VideoFrameUtils.h')
-rw-r--r-- | dom/media/systemservices/VideoFrameUtils.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/dom/media/systemservices/VideoFrameUtils.h b/dom/media/systemservices/VideoFrameUtils.h new file mode 100644 index 0000000000..23ebf4f316 --- /dev/null +++ b/dom/media/systemservices/VideoFrameUtils.h @@ -0,0 +1,48 @@ +/* -*- 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/. */ + +#ifndef mozilla_VideoFrameUtil_h +#define mozilla_VideoFrameUtil_h + +#include "mozilla/camera/PCameras.h" + +namespace webrtc { +class VideoFrame; +} + +namespace mozilla { +class ShmemBuffer; + +// 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 + static void 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. + static void 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. + static void CopyVideoFrameBuffers(ShmemBuffer& aDestShmem, + const webrtc::VideoFrame& aVideoFrame); +}; + +} /* namespace mozilla */ + +#endif |