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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 #ifndef MEDIA_FILTERS_GPU_VIDEO_DECODER_H_ | 5 #ifndef MEDIA_FILTERS_GPU_VIDEO_DECODER_H_ |
| 6 #define MEDIA_FILTERS_GPU_VIDEO_DECODER_H_ | 6 #define MEDIA_FILTERS_GPU_VIDEO_DECODER_H_ |
| 7 | 7 |
| 8 #include <list> | 8 #include <list> |
| 9 #include <map> | 9 #include <map> |
| 10 #include <set> | 10 #include <set> |
| 11 #include <utility> | 11 #include <utility> |
| 12 #include <vector> | 12 #include <vector> |
| 13 | 13 |
| 14 #include "base/memory/weak_ptr.h" | 14 #include "base/memory/weak_ptr.h" |
| 15 #include "media/base/pipeline_status.h" | 15 #include "media/base/pipeline_status.h" |
| 16 #include "media/base/video_decoder.h" | 16 #include "media/base/video_decoder.h" |
| 17 #include "media/video/video_decode_accelerator.h" | 17 #include "media/video/video_decode_accelerator.h" |
| 18 | 18 |
| 19 template <class T> class scoped_refptr; | 19 template <class T> class scoped_refptr; |
| 20 | 20 |
| 21 namespace base { | 21 namespace base { |
| 22 class MessageLoopProxy; | 22 class MessageLoopProxy; |
| 23 class SharedMemory; | 23 class SharedMemory; |
| 24 } | 24 } |
| 25 | 25 |
| 26 namespace media { | 26 namespace media { |
| 27 | 27 |
| 28 class DecoderBuffer; | 28 class DecoderBuffer; |
| 29 class GpuVideoDecoderFactories; | 29 class GpuVideoAcceleratorFactories; |
| 30 | 30 |
| 31 // GPU-accelerated video decoder implementation. Relies on | 31 // GPU-accelerated video decoder implementation. Relies on |
| 32 // AcceleratedVideoDecoderMsg_Decode and friends. | 32 // AcceleratedVideoDecoderMsg_Decode and friends. |
| 33 class MEDIA_EXPORT GpuVideoDecoder | 33 class MEDIA_EXPORT GpuVideoDecoder |
| 34 : public VideoDecoder, | 34 : public VideoDecoder, |
| 35 public VideoDecodeAccelerator::Client { | 35 public VideoDecodeAccelerator::Client { |
| 36 public: | 36 public: |
| 37 // The message loop of |factories| will be saved to |gvd_loop_proxy_|. | 37 // The message loop of |factories| will be saved to |gvd_loop_proxy_|. |
| 38 explicit GpuVideoDecoder( | 38 explicit GpuVideoDecoder( |
| 39 const scoped_refptr<GpuVideoDecoderFactories>& factories); | 39 const scoped_refptr<GpuVideoAcceleratorFactories>& factories); |
| 40 | 40 |
| 41 // VideoDecoder implementation. | 41 // VideoDecoder implementation. |
| 42 virtual void Initialize(const VideoDecoderConfig& config, | 42 virtual void Initialize(const VideoDecoderConfig& config, |
| 43 const PipelineStatusCB& status_cb) OVERRIDE; | 43 const PipelineStatusCB& status_cb) OVERRIDE; |
| 44 virtual void Decode(const scoped_refptr<DecoderBuffer>& buffer, | 44 virtual void Decode(const scoped_refptr<DecoderBuffer>& buffer, |
| 45 const ReadCB& read_cb) OVERRIDE; | 45 const ReadCB& read_cb) OVERRIDE; |
| 46 virtual void Reset(const base::Closure& closure) OVERRIDE; | 46 virtual void Reset(const base::Closure& closure) OVERRIDE; |
| 47 virtual void Stop(const base::Closure& closure) OVERRIDE; | 47 virtual void Stop(const base::Closure& closure) OVERRIDE; |
| 48 virtual bool HasAlpha() const OVERRIDE; | 48 virtual bool HasAlpha() const OVERRIDE; |
| 49 virtual bool NeedsBitstreamConversion() const OVERRIDE; | 49 virtual bool NeedsBitstreamConversion() const OVERRIDE; |
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| 110 | 110 |
| 111 void DestroyTextures(); | 111 void DestroyTextures(); |
| 112 | 112 |
| 113 bool needs_bitstream_conversion_; | 113 bool needs_bitstream_conversion_; |
| 114 | 114 |
| 115 // Message loop which this class and |factories_| run on. | 115 // Message loop which this class and |factories_| run on. |
| 116 scoped_refptr<base::MessageLoopProxy> gvd_loop_proxy_; | 116 scoped_refptr<base::MessageLoopProxy> gvd_loop_proxy_; |
| 117 base::WeakPtrFactory<GpuVideoDecoder> weak_factory_; | 117 base::WeakPtrFactory<GpuVideoDecoder> weak_factory_; |
| 118 base::WeakPtr<GpuVideoDecoder> weak_this_; | 118 base::WeakPtr<GpuVideoDecoder> weak_this_; |
| 119 | 119 |
| 120 scoped_refptr<GpuVideoDecoderFactories> factories_; | 120 scoped_refptr<GpuVideoAcceleratorFactories> factories_; |
| 121 | 121 |
| 122 // Populated during Initialize() (on success) and unchanged until an error | 122 // Populated during Initialize() (on success) and unchanged until an error |
| 123 // occurs. | 123 // occurs. |
| 124 scoped_ptr<VideoDecodeAccelerator> vda_; | 124 scoped_ptr<VideoDecodeAccelerator> vda_; |
| 125 | 125 |
| 126 // Callbacks that are !is_null() only during their respective operation being | 126 // Callbacks that are !is_null() only during their respective operation being |
| 127 // asynchronously executed. | 127 // asynchronously executed. |
| 128 ReadCB pending_read_cb_; | 128 ReadCB pending_read_cb_; |
| 129 base::Closure pending_reset_cb_; | 129 base::Closure pending_reset_cb_; |
| 130 | 130 |
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| 178 // Set during ProvidePictureBuffers(), used for checking and implementing | 178 // Set during ProvidePictureBuffers(), used for checking and implementing |
| 179 // HasAvailableOutputFrames(). | 179 // HasAvailableOutputFrames(). |
| 180 int available_pictures_; | 180 int available_pictures_; |
| 181 | 181 |
| 182 DISALLOW_COPY_AND_ASSIGN(GpuVideoDecoder); | 182 DISALLOW_COPY_AND_ASSIGN(GpuVideoDecoder); |
| 183 }; | 183 }; |
| 184 | 184 |
| 185 } // namespace media | 185 } // namespace media |
| 186 | 186 |
| 187 #endif // MEDIA_FILTERS_GPU_VIDEO_DECODER_H_ | 187 #endif // MEDIA_FILTERS_GPU_VIDEO_DECODER_H_ |
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