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// Copyright 2014 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 CONTENT_COMMON_GPU_MEDIA_FAKE_VIDEO_DECODE_ACCELERATOR_H_
#define CONTENT_COMMON_GPU_MEDIA_FAKE_VIDEO_DECODE_ACCELERATOR_H_
#include <stdint.h>
#include <queue>
#include <vector>
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "content/common/content_export.h"
#include "content/common/gpu/media/gpu_video_decode_accelerator_helpers.h"
#include "media/video/video_decode_accelerator.h"
#include "ui/gfx/geometry/size_f.h"
#include "ui/gl/gl_context.h"
namespace content {
class CONTENT_EXPORT FakeVideoDecodeAccelerator
: public media::VideoDecodeAccelerator {
public:
FakeVideoDecodeAccelerator(
const gfx::Size& size,
const MakeGLContextCurrentCallback& make_context_current_cb);
~FakeVideoDecodeAccelerator() override;
bool Initialize(const Config& config, Client* client) override;
void Decode(const media::BitstreamBuffer& bitstream_buffer) override;
void AssignPictureBuffers(
const std::vector<media::PictureBuffer>& buffers) override;
void ReusePictureBuffer(int32_t picture_buffer_id) override;
void Flush() override;
void Reset() override;
void Destroy() override;
bool TryToSetupDecodeOnSeparateThread(
const base::WeakPtr<Client>& decode_client,
const scoped_refptr<base::SingleThreadTaskRunner>& decode_task_runner)
override;
private:
void DoPictureReady();
// The message loop that created the class. Used for all callbacks. This
// class expects all calls to this class to be on this message loop (not
// checked).
const scoped_refptr<base::SingleThreadTaskRunner> child_task_runner_;
Client* client_;
// Make our context current before running any GL entry points.
MakeGLContextCurrentCallback make_context_current_cb_;
// Output picture size.
gfx::Size frame_buffer_size_;
// Picture buffer ids that are available for putting fake frames in.
std::queue<int> free_output_buffers_;
// BitstreamBuffer ids for buffers that contain new data to decode.
std::queue<int> queued_bitstream_ids_;
bool flushing_;
// The WeakPtrFactory for |weak_this_|.
base::WeakPtrFactory<FakeVideoDecodeAccelerator> weak_this_factory_;
DISALLOW_COPY_AND_ASSIGN(FakeVideoDecodeAccelerator);
};
} // namespace content
#endif // CONTENT_COMMON_GPU_MEDIA_FAKE_VIDEO_DECODE_ACCELERATOR_H_
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