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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 // This file contains an implementation of VideoDecoderAccelerator | 5 // This file contains an implementation of VideoDecoderAccelerator |
6 // that utilizes hardware video decoder present on Intel CPUs. | 6 // that utilizes hardware video decoder present on Intel CPUs. |
7 | 7 |
8 #ifndef CONTENT_COMMON_GPU_MEDIA_VAAPI_VIDEO_DECODE_ACCELERATOR_H_ | 8 #ifndef CONTENT_COMMON_GPU_MEDIA_VAAPI_VIDEO_DECODE_ACCELERATOR_H_ |
9 #define CONTENT_COMMON_GPU_MEDIA_VAAPI_VIDEO_DECODE_ACCELERATOR_H_ | 9 #define CONTENT_COMMON_GPU_MEDIA_VAAPI_VIDEO_DECODE_ACCELERATOR_H_ |
10 | 10 |
11 #include <map> | 11 #include <map> |
12 #include <queue> | 12 #include <queue> |
13 #include <utility> | 13 #include <utility> |
14 #include <vector> | 14 #include <vector> |
15 | 15 |
16 #include "base/logging.h" | 16 #include "base/logging.h" |
17 #include "base/memory/linked_ptr.h" | 17 #include "base/memory/linked_ptr.h" |
18 #include "base/memory/shared_memory.h" | 18 #include "base/memory/shared_memory.h" |
19 #include "base/memory/weak_ptr.h" | 19 #include "base/memory/weak_ptr.h" |
20 #include "base/message_loop/message_loop.h" | 20 #include "base/message_loop/message_loop.h" |
21 #include "base/synchronization/condition_variable.h" | 21 #include "base/synchronization/condition_variable.h" |
22 #include "base/synchronization/lock.h" | 22 #include "base/synchronization/lock.h" |
23 #include "base/threading/non_thread_safe.h" | 23 #include "base/threading/non_thread_safe.h" |
24 #include "base/threading/thread.h" | 24 #include "base/threading/thread.h" |
25 #include "content/common/content_export.h" | 25 #include "content/common/content_export.h" |
26 #include "content/common/gpu/media/vaapi_h264_decoder.h" | 26 #include "content/common/gpu/media/vaapi_h264_decoder.h" |
27 #include "content/common/gpu/media/vaapi_wrapper.h" | 27 #include "content/common/gpu/media/vaapi_wrapper.h" |
28 #include "content/common/gpu/media/video_decode_accelerator_impl.h" | |
29 #include "media/base/bitstream_buffer.h" | 28 #include "media/base/bitstream_buffer.h" |
30 #include "media/video/picture.h" | 29 #include "media/video/picture.h" |
31 #include "media/video/video_decode_accelerator.h" | 30 #include "media/video/video_decode_accelerator.h" |
32 #include "ui/gl/gl_bindings.h" | 31 #include "ui/gl/gl_bindings.h" |
33 | 32 |
34 namespace content { | 33 namespace content { |
35 | 34 |
36 // Class to provide video decode acceleration for Intel systems with hardware | 35 // Class to provide video decode acceleration for Intel systems with hardware |
37 // support for it, and on which libva is available. | 36 // support for it, and on which libva is available. |
38 // Decoding tasks are performed in a separate decoding thread. | 37 // Decoding tasks are performed in a separate decoding thread. |
39 // | 38 // |
40 // Threading/life-cycle: this object is created & destroyed on the GPU | 39 // Threading/life-cycle: this object is created & destroyed on the GPU |
41 // ChildThread. A few methods on it are called on the decoder thread which is | 40 // ChildThread. A few methods on it are called on the decoder thread which is |
42 // stopped during |this->Destroy()|, so any tasks posted to the decoder thread | 41 // stopped during |this->Destroy()|, so any tasks posted to the decoder thread |
43 // can assume |*this| is still alive. See |weak_this_| below for more details. | 42 // can assume |*this| is still alive. See |weak_this_| below for more details. |
44 class CONTENT_EXPORT VaapiVideoDecodeAccelerator | 43 class CONTENT_EXPORT VaapiVideoDecodeAccelerator |
45 : public VideoDecodeAcceleratorImpl { | 44 : public media::VideoDecodeAccelerator { |
46 public: | 45 public: |
47 VaapiVideoDecodeAccelerator( | 46 VaapiVideoDecodeAccelerator( |
48 Display* x_display, | 47 Display* x_display, |
49 const base::Callback<bool(void)>& make_context_current); | 48 const base::Callback<bool(void)>& make_context_current); |
50 virtual ~VaapiVideoDecodeAccelerator(); | 49 virtual ~VaapiVideoDecodeAccelerator(); |
51 | 50 |
52 // media::VideoDecodeAccelerator implementation. | 51 // media::VideoDecodeAccelerator implementation. |
53 virtual bool Initialize(media::VideoCodecProfile profile, | 52 virtual bool Initialize(media::VideoCodecProfile profile, |
54 Client* client) OVERRIDE; | 53 Client* client) OVERRIDE; |
55 virtual void Decode(const media::BitstreamBuffer& bitstream_buffer) OVERRIDE; | 54 virtual void Decode(const media::BitstreamBuffer& bitstream_buffer) OVERRIDE; |
56 virtual void AssignPictureBuffers( | 55 virtual void AssignPictureBuffers( |
57 const std::vector<media::PictureBuffer>& buffers) OVERRIDE; | 56 const std::vector<media::PictureBuffer>& buffers) OVERRIDE; |
58 virtual void ReusePictureBuffer(int32 picture_buffer_id) OVERRIDE; | 57 virtual void ReusePictureBuffer(int32 picture_buffer_id) OVERRIDE; |
59 virtual void Flush() OVERRIDE; | 58 virtual void Flush() OVERRIDE; |
60 virtual void Reset() OVERRIDE; | 59 virtual void Reset() OVERRIDE; |
61 virtual void Destroy() OVERRIDE; | 60 virtual void Destroy() OVERRIDE; |
| 61 virtual bool CanDecodeOnIOThread() OVERRIDE; |
62 | 62 |
63 private: | 63 private: |
64 // Notify the client that an error has occurred and decoding cannot continue. | 64 // Notify the client that an error has occurred and decoding cannot continue. |
65 void NotifyError(Error error); | 65 void NotifyError(Error error); |
66 | 66 |
67 // Map the received input buffer into this process' address space and | 67 // Map the received input buffer into this process' address space and |
68 // queue it for decode. | 68 // queue it for decode. |
69 void MapAndQueueNewInputBuffer( | 69 void MapAndQueueNewInputBuffer( |
70 const media::BitstreamBuffer& bitstream_buffer); | 70 const media::BitstreamBuffer& bitstream_buffer); |
71 | 71 |
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270 | 270 |
271 // The WeakPtrFactory for |weak_this_|. | 271 // The WeakPtrFactory for |weak_this_|. |
272 base::WeakPtrFactory<VaapiVideoDecodeAccelerator> weak_this_factory_; | 272 base::WeakPtrFactory<VaapiVideoDecodeAccelerator> weak_this_factory_; |
273 | 273 |
274 DISALLOW_COPY_AND_ASSIGN(VaapiVideoDecodeAccelerator); | 274 DISALLOW_COPY_AND_ASSIGN(VaapiVideoDecodeAccelerator); |
275 }; | 275 }; |
276 | 276 |
277 } // namespace content | 277 } // namespace content |
278 | 278 |
279 #endif // CONTENT_COMMON_GPU_MEDIA_VAAPI_VIDEO_DECODE_ACCELERATOR_H_ | 279 #endif // CONTENT_COMMON_GPU_MEDIA_VAAPI_VIDEO_DECODE_ACCELERATOR_H_ |
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