chromium/media/gpu/vaapi/vaapi_video_encoder_delegate.h

// Copyright 2018 The Chromium Authors
// 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_VIDEO_ENCODER_DELEGATE_H_
#define MEDIA_GPU_VAAPI_VAAPI_VIDEO_ENCODER_DELEGATE_H_

#include <va/va.h>

#include <optional>
#include <vector>

#include "base/containers/queue.h"
#include "base/functional/callback.h"
#include "base/memory/scoped_refptr.h"
#include "base/sequence_checker.h"
#include "base/time/time.h"
#include "media/base/video_bitrate_allocation.h"
#include "media/base/video_codecs.h"
#include "media/video/video_encode_accelerator.h"
#include "media/video/video_encoder_info.h"
#include "ui/gfx/geometry/size.h"

namespace media {
struct BitstreamBufferMetadata;
class CodecPicture;
class ScopedVABuffer;
class VideoFrame;
class VaapiWrapper;

// An VaapiVideoEncoderDelegate  performs high-level, platform-independent
// encoding process tasks, such as managing codec state, reference frames, etc.,
// but may require support from an external accelerator (typically a hardware
// accelerator) to offload some stages of the actual encoding process, using
// the parameters that the Delegate prepares beforehand.
//
// For each frame to be encoded, clients provide an EncodeJob object to be set
// up by a Delegate subclass with job parameters, and execute the job
// afterwards. Any resources required for the job are also provided by the
// clients, and associated with the EncodeJob object.
class VaapiVideoEncoderDelegate { … };
}  // namespace media

#endif  // MEDIA_GPU_VAAPI_VAAPI_VIDEO_ENCODER_DELEGATE_H_