blob: e22e7b9c3058dfb49c0e7be9773b83a604efb043 [file] [log] [blame]
// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef MEDIA_GPU_VAAPI_VAAPI_DMABUF_VIDEO_FRAME_MAPPER_H_
#define MEDIA_GPU_VAAPI_VAAPI_DMABUF_VIDEO_FRAME_MAPPER_H_
#include <memory>
#include "media/gpu/media_gpu_export.h"
#include "media/gpu/video_frame_mapper.h"
namespace media {
class VaapiWrapper;
// VideoFrameMapper that provides access to the memory referred by DMABuf-backed
// video frames using VA-API.
// VaapiDmaBufVideoFrameMapper creates a new VaapiPicture from the given
// VideoFrame and use the VaapiWrapper to access the memory there.
class MEDIA_GPU_EXPORT VaapiDmaBufVideoFrameMapper : public VideoFrameMapper {
public:
static std::unique_ptr<VideoFrameMapper> Create(VideoPixelFormat format);
VaapiDmaBufVideoFrameMapper(const VaapiDmaBufVideoFrameMapper&) = delete;
VaapiDmaBufVideoFrameMapper& operator=(const VaapiDmaBufVideoFrameMapper&) =
delete;
~VaapiDmaBufVideoFrameMapper() override;
// VideoFrameMapper override.
scoped_refptr<VideoFrame> Map(
scoped_refptr<const VideoFrame> video_frame) const override;
private:
explicit VaapiDmaBufVideoFrameMapper(VideoPixelFormat format);
// Vaapi components for mapping.
const scoped_refptr<VaapiWrapper> vaapi_wrapper_;
};
} // namespace media
#endif // MEDIA_GPU_VAAPI_VAAPI_DMABUF_VIDEO_FRAME_MAPPER_H_