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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CONTENT_COMMON_GPU_MEDIA_VT_VIDEO_DECODE_ACCELERATOR_H_ | 5 #ifndef CONTENT_COMMON_GPU_MEDIA_VT_VIDEO_DECODE_ACCELERATOR_H_ |
6 #define CONTENT_COMMON_GPU_MEDIA_VT_VIDEO_DECODE_ACCELERATOR_H_ | 6 #define CONTENT_COMMON_GPU_MEDIA_VT_VIDEO_DECODE_ACCELERATOR_H_ |
7 | 7 |
8 #include <stdint.h> | 8 #include "base/basictypes.h" |
9 | |
10 #include "base/memory/ref_counted.h" | 9 #include "base/memory/ref_counted.h" |
11 #include "base/memory/weak_ptr.h" | 10 #include "base/memory/weak_ptr.h" |
12 #include "base/message_loop/message_loop.h" | 11 #include "base/message_loop/message_loop.h" |
13 #include "base/message_loop/message_loop_proxy.h" | 12 #include "content/common/gpu/media/vt.h" |
| 13 #include "media/filters/h264_parser.h" |
14 #include "media/video/video_decode_accelerator.h" | 14 #include "media/video/video_decode_accelerator.h" |
15 #include "ui/gl/gl_context_cgl.h" | 15 #include "ui/gl/gl_context_cgl.h" |
16 | 16 |
| 17 namespace base { |
| 18 class SingleThreadTaskRunner; |
| 19 } // namespace base |
| 20 |
17 namespace content { | 21 namespace content { |
18 | 22 |
19 // (Stub of a) VideoToolbox.framework implementation of the | 23 // (Stub of a) VideoToolbox.framework implementation of the |
20 // VideoDecodeAccelerator interface for Mac OS X. | 24 // VideoDecodeAccelerator interface for Mac OS X. |
21 class VTVideoDecodeAccelerator | 25 class VTVideoDecodeAccelerator |
22 : public media::VideoDecodeAccelerator, | 26 : public media::VideoDecodeAccelerator, |
23 public base::NonThreadSafe { | 27 public base::NonThreadSafe { |
24 public: | 28 public: |
25 explicit VTVideoDecodeAccelerator(CGLContextObj cgl_context); | 29 explicit VTVideoDecodeAccelerator(CGLContextObj cgl_context); |
26 virtual ~VTVideoDecodeAccelerator(); | 30 virtual ~VTVideoDecodeAccelerator(); |
27 | 31 |
28 // VideoDecodeAccelerator implementation. | 32 // VideoDecodeAccelerator implementation. |
29 virtual bool Initialize( | 33 virtual bool Initialize( |
30 media::VideoCodecProfile profile, | 34 media::VideoCodecProfile profile, |
31 Client* client) OVERRIDE; | 35 Client* client) OVERRIDE; |
32 virtual void Decode(const media::BitstreamBuffer& bitstream) OVERRIDE; | 36 virtual void Decode(const media::BitstreamBuffer& bitstream) OVERRIDE; |
33 virtual void AssignPictureBuffers( | 37 virtual void AssignPictureBuffers( |
34 const std::vector<media::PictureBuffer>& pictures) OVERRIDE; | 38 const std::vector<media::PictureBuffer>& pictures) OVERRIDE; |
35 virtual void ReusePictureBuffer(int32_t picture_id) OVERRIDE; | 39 virtual void ReusePictureBuffer(int32_t picture_id) OVERRIDE; |
36 virtual void Flush() OVERRIDE; | 40 virtual void Flush() OVERRIDE; |
37 virtual void Reset() OVERRIDE; | 41 virtual void Reset() OVERRIDE; |
38 virtual void Destroy() OVERRIDE; | 42 virtual void Destroy() OVERRIDE; |
39 virtual bool CanDecodeOnIOThread() OVERRIDE; | 43 virtual bool CanDecodeOnIOThread() OVERRIDE; |
40 | 44 |
| 45 // Called by VideoToolbox when a frame is decoded. |
| 46 void Output( |
| 47 int32_t bitstream_id, |
| 48 OSStatus status, |
| 49 VTDecodeInfoFlags info_flags, |
| 50 CVImageBufferRef image_buffer); |
| 51 |
41 private: | 52 private: |
42 scoped_refptr<base::MessageLoopProxy> loop_proxy_; | 53 // Configure a VideoToolbox decompression session from parameter set NALUs. |
| 54 void ConfigureDecoder( |
| 55 const std::vector<const uint8_t*>& nalu_data_ptrs, |
| 56 const std::vector<size_t>& nalu_data_sizes); |
| 57 |
| 58 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; |
43 CGLContextObj cgl_context_; | 59 CGLContextObj cgl_context_; |
44 media::VideoDecodeAccelerator::Client* client_; | 60 media::VideoDecodeAccelerator::Client* client_; |
| 61 media::H264Parser parser_; |
| 62 |
| 63 // Decoder configuration. |
| 64 VTDecompressionOutputCallbackRecord callback_; |
| 65 CMFormatDescriptionRef format_; |
| 66 VTDecompressionSessionRef session_; |
| 67 int32_t coded_width_; |
| 68 int32_t coded_height_; |
45 | 69 |
46 // Member variables should appear before the WeakPtrFactory, to ensure | 70 // Member variables should appear before the WeakPtrFactory, to ensure |
47 // that any WeakPtrs to Controller are invalidated before its members | 71 // that any WeakPtrs to Controller are invalidated before its members |
48 // variable's destructors are executed, rendering them invalid. | 72 // variable's destructors are executed, rendering them invalid. |
49 base::WeakPtrFactory<VTVideoDecodeAccelerator> weak_this_factory_; | 73 base::WeakPtrFactory<VTVideoDecodeAccelerator> weak_factory_; |
50 | 74 |
51 DISALLOW_COPY_AND_ASSIGN(VTVideoDecodeAccelerator); | 75 DISALLOW_COPY_AND_ASSIGN(VTVideoDecodeAccelerator); |
52 }; | 76 }; |
53 | 77 |
54 } // namespace content | 78 } // namespace content |
55 | 79 |
56 #endif // CONTENT_COMMON_GPU_MEDIA_VT_VIDEO_DECODE_ACCELERATOR_H_ | 80 #endif // CONTENT_COMMON_GPU_MEDIA_VT_VIDEO_DECODE_ACCELERATOR_H_ |
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