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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_VT_VIDEO_DECODE_ACCELERATOR_H_
#define CONTENT_COMMON_GPU_MEDIA_VT_VIDEO_DECODE_ACCELERATOR_H_
#include <stdint.h>
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "base/message_loop/message_loop.h"
#include "base/message_loop/message_loop_proxy.h"
#include "media/video/video_decode_accelerator.h"
#include "ui/gl/gl_context_cgl.h"
namespace content {
// (Stub of a) VideoToolbox.framework implementation of the
// VideoDecodeAccelerator interface for Mac OS X.
class VTVideoDecodeAccelerator
: public media::VideoDecodeAccelerator,
public base::NonThreadSafe {
public:
explicit VTVideoDecodeAccelerator(CGLContextObj cgl_context);
virtual ~VTVideoDecodeAccelerator();
// VideoDecodeAccelerator implementation.
virtual bool Initialize(
media::VideoCodecProfile profile,
Client* client) OVERRIDE;
virtual void Decode(const media::BitstreamBuffer& bitstream) OVERRIDE;
virtual void AssignPictureBuffers(
const std::vector<media::PictureBuffer>& pictures) OVERRIDE;
virtual void ReusePictureBuffer(int32_t picture_id) OVERRIDE;
virtual void Flush() OVERRIDE;
virtual void Reset() OVERRIDE;
virtual void Destroy() OVERRIDE;
virtual bool CanDecodeOnIOThread() OVERRIDE;
private:
scoped_refptr<base::MessageLoopProxy> loop_proxy_;
CGLContextObj cgl_context_;
media::VideoDecodeAccelerator::Client* client_;
// Member variables should appear before the WeakPtrFactory, to ensure
// that any WeakPtrs to Controller are invalidated before its members
// variable's destructors are executed, rendering them invalid.
base::WeakPtrFactory<VTVideoDecodeAccelerator> weak_this_factory_;
DISALLOW_COPY_AND_ASSIGN(VTVideoDecodeAccelerator);
};
} // namespace content
#endif // CONTENT_COMMON_GPU_MEDIA_VT_VIDEO_DECODE_ACCELERATOR_H_