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// Copyright 2017 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_MOJO_CLIENTS_MOJO_VIDEO_ENCODE_ACCELERATOR_H_
#define MEDIA_MOJO_CLIENTS_MOJO_VIDEO_ENCODE_ACCELERATOR_H_
#include <stdint.h>
#include <vector>
#include "base/sequence_checker.h"
#include "gpu/config/gpu_info.h"
#include "media/mojo/interfaces/video_encode_accelerator.mojom.h"
#include "media/video/video_encode_accelerator.h"
namespace gfx {
class Size;
} // namespace gfx
namespace media {
class VideoFrame;
} // namespace media
namespace media {
// This class is a renderer-side host bridge from VideoEncodeAccelerator to a
// remote media::mojom::VideoEncodeAccelerator passed on ctor and held as
// |vea_|. An internal mojo::VEA::Client acts as the remote's mojo VEA client,
// trampolining methods to the media::VEA::Client passed on Initialize(). For
// proper operation this class should be managed in a std::unique_ptr that calls
// Destroy() upon destruction.
class MojoVideoEncodeAccelerator : public VideoEncodeAccelerator {
public:
MojoVideoEncodeAccelerator(
mojom::VideoEncodeAcceleratorPtr vea,
const gpu::VideoEncodeAcceleratorSupportedProfiles& supported_profiles);
// VideoEncodeAccelerator implementation.
SupportedProfiles GetSupportedProfiles() override;
bool Initialize(VideoPixelFormat input_format,
const gfx::Size& input_visible_size,
VideoCodecProfile output_profile,
uint32_t initial_bitrate,
Client* client) override;
void Encode(const scoped_refptr<VideoFrame>& frame,
bool force_keyframe) override;
void UseOutputBitstreamBuffer(const BitstreamBuffer& buffer) override;
void RequestEncodingParametersChange(uint32_t bitrate,
uint32_t framerate_num) override;
void Destroy() override;
private:
// Only Destroy() should be deleting |this|.
~MojoVideoEncodeAccelerator() override;
mojom::VideoEncodeAcceleratorPtr vea_;
const gpu::VideoEncodeAcceleratorSupportedProfiles supported_profiles_;
SEQUENCE_CHECKER(sequence_checker_);
DISALLOW_COPY_AND_ASSIGN(MojoVideoEncodeAccelerator);
};
} // namespace media
#endif // MEDIA_MOJO_CLIENTS_MOJO_VIDEO_ENCODE_ACCELERATOR_H_