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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 WebrtcImageBuffer_h__
#define WebrtcImageBuffer_h__
#include "common_video/include/video_frame_buffer.h"
namespace mozilla {
namespace layers {
class Image;
}
class ImageBuffer : public webrtc::VideoFrameBuffer {
public:
explicit ImageBuffer(RefPtr<layers::Image>&& aImage)
: mImage(std::move(aImage)) {}
rtc::scoped_refptr<webrtc::I420BufferInterface> ToI420() override {
RefPtr<layers::PlanarYCbCrImage> image = mImage->AsPlanarYCbCrImage();
MOZ_ASSERT(image);
if (!image) {
// TODO. YUV420 ReadBack, Image only provides a RGB readback.
return nullptr;
}
const layers::PlanarYCbCrData* data = image->GetData();
rtc::scoped_refptr<webrtc::I420BufferInterface> buf =
webrtc::WrapI420Buffer(
data->mPictureRect.width, data->mPictureRect.height,
data->mYChannel, data->mYStride, data->mCbChannel,
data->mCbCrStride, data->mCrChannel, data->mCbCrStride,
[image] { /* keep reference alive*/ });
return buf;
}
Type type() const override { return Type::kNative; }
int width() const override { return mImage->GetSize().width; }
int height() const override { return mImage->GetSize().height; }
RefPtr<layers::Image> GetNativeImage() const { return mImage; }
private:
const RefPtr<layers::Image> mImage;
};
} // namespace mozilla
#endif // WebrtcImageBuffer_h__
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