1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef CONTENT_COMMON_GPU_MEDIA_VT_VIDEO_DECODE_ACCELERATOR_H_
6 #define CONTENT_COMMON_GPU_MEDIA_VT_VIDEO_DECODE_ACCELERATOR_H_
10 #include "base/memory/ref_counted.h"
11 #include "base/memory/weak_ptr.h"
12 #include "base/message_loop/message_loop.h"
13 #include "base/message_loop/message_loop_proxy.h"
14 #include "media/video/video_decode_accelerator.h"
15 #include "ui/gl/gl_context_cgl.h"
19 // (Stub of a) VideoToolbox.framework implementation of the
20 // VideoDecodeAccelerator interface for Mac OS X.
21 class VTVideoDecodeAccelerator
22 : public media::VideoDecodeAccelerator,
23 public base::NonThreadSafe {
25 explicit VTVideoDecodeAccelerator(CGLContextObj cgl_context);
26 virtual ~VTVideoDecodeAccelerator();
28 // VideoDecodeAccelerator implementation.
29 virtual bool Initialize(
30 media::VideoCodecProfile profile,
31 Client* client) OVERRIDE;
32 virtual void Decode(const media::BitstreamBuffer& bitstream) OVERRIDE;
33 virtual void AssignPictureBuffers(
34 const std::vector<media::PictureBuffer>& pictures) OVERRIDE;
35 virtual void ReusePictureBuffer(int32_t picture_id) OVERRIDE;
36 virtual void Flush() OVERRIDE;
37 virtual void Reset() OVERRIDE;
38 virtual void Destroy() OVERRIDE;
39 virtual bool CanDecodeOnIOThread() OVERRIDE;
42 scoped_refptr<base::MessageLoopProxy> loop_proxy_;
43 CGLContextObj cgl_context_;
44 media::VideoDecodeAccelerator::Client* client_;
46 // Member variables should appear before the WeakPtrFactory, to ensure
47 // that any WeakPtrs to Controller are invalidated before its members
48 // variable's destructors are executed, rendering them invalid.
49 base::WeakPtrFactory<VTVideoDecodeAccelerator> weak_this_factory_;
51 DISALLOW_COPY_AND_ASSIGN(VTVideoDecodeAccelerator);
54 } // namespace content
56 #endif // CONTENT_COMMON_GPU_MEDIA_VT_VIDEO_DECODE_ACCELERATOR_H_