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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_VPX_VIDEO_DECODER_H_ | 5 #ifndef MEDIA_FILTERS_VPX_VIDEO_DECODER_H_ |
6 #define MEDIA_FILTERS_VPX_VIDEO_DECODER_H_ | 6 #define MEDIA_FILTERS_VPX_VIDEO_DECODER_H_ |
7 | 7 |
8 #include "base/callback.h" | 8 #include "base/callback.h" |
9 #include "media/base/demuxer_stream.h" | 9 #include "media/base/demuxer_stream.h" |
10 #include "media/base/video_decoder.h" | 10 #include "media/base/video_decoder.h" |
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27 // decoder is faster than the libvpx VP8 decoder. | 27 // decoder is faster than the libvpx VP8 decoder. |
28 class MEDIA_EXPORT VpxVideoDecoder : public VideoDecoder { | 28 class MEDIA_EXPORT VpxVideoDecoder : public VideoDecoder { |
29 public: | 29 public: |
30 explicit VpxVideoDecoder( | 30 explicit VpxVideoDecoder( |
31 const scoped_refptr<base::SingleThreadTaskRunner>& task_runner); | 31 const scoped_refptr<base::SingleThreadTaskRunner>& task_runner); |
32 virtual ~VpxVideoDecoder(); | 32 virtual ~VpxVideoDecoder(); |
33 | 33 |
34 // VideoDecoder implementation. | 34 // VideoDecoder implementation. |
35 virtual void Initialize(const VideoDecoderConfig& config, | 35 virtual void Initialize(const VideoDecoderConfig& config, |
36 bool low_delay, | 36 bool low_delay, |
37 const PipelineStatusCB& status_cb, | 37 const PipelineStatusCB& status_cb) OVERRIDE; |
38 const OutputCB& output_cb) OVERRIDE; | |
39 virtual void Decode(const scoped_refptr<DecoderBuffer>& buffer, | 38 virtual void Decode(const scoped_refptr<DecoderBuffer>& buffer, |
40 const DecodeCB& decode_cb) OVERRIDE; | 39 const DecodeCB& decode_cb) OVERRIDE; |
41 virtual void Reset(const base::Closure& closure) OVERRIDE; | 40 virtual void Reset(const base::Closure& closure) OVERRIDE; |
42 virtual void Stop() OVERRIDE; | 41 virtual void Stop() OVERRIDE; |
43 | 42 |
44 private: | 43 private: |
45 enum DecoderState { | 44 enum DecoderState { |
46 kUninitialized, | 45 kUninitialized, |
47 kNormal, | 46 kNormal, |
48 kFlushCodec, | 47 kFlushCodec, |
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61 scoped_refptr<VideoFrame>* video_frame); | 60 scoped_refptr<VideoFrame>* video_frame); |
62 | 61 |
63 void CopyVpxImageTo(const vpx_image* vpx_image, | 62 void CopyVpxImageTo(const vpx_image* vpx_image, |
64 const struct vpx_image* vpx_image_alpha, | 63 const struct vpx_image* vpx_image_alpha, |
65 scoped_refptr<VideoFrame>* video_frame); | 64 scoped_refptr<VideoFrame>* video_frame); |
66 | 65 |
67 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; | 66 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; |
68 | 67 |
69 DecoderState state_; | 68 DecoderState state_; |
70 | 69 |
71 OutputCB output_cb_; | |
72 | |
73 // TODO(xhwang): Merge DecodeBuffer() into Decode() and remove this. | 70 // TODO(xhwang): Merge DecodeBuffer() into Decode() and remove this. |
74 DecodeCB decode_cb_; | 71 DecodeCB decode_cb_; |
75 | 72 |
76 VideoDecoderConfig config_; | 73 VideoDecoderConfig config_; |
77 | 74 |
78 vpx_codec_ctx* vpx_codec_; | 75 vpx_codec_ctx* vpx_codec_; |
79 vpx_codec_ctx* vpx_codec_alpha_; | 76 vpx_codec_ctx* vpx_codec_alpha_; |
80 | 77 |
81 // Memory pool used for VP9 decoding. | 78 // Memory pool used for VP9 decoding. |
82 class MemoryPool; | 79 class MemoryPool; |
83 scoped_refptr<MemoryPool> memory_pool_; | 80 scoped_refptr<MemoryPool> memory_pool_; |
84 | 81 |
85 VideoFramePool frame_pool_; | 82 VideoFramePool frame_pool_; |
86 | 83 |
87 DISALLOW_COPY_AND_ASSIGN(VpxVideoDecoder); | 84 DISALLOW_COPY_AND_ASSIGN(VpxVideoDecoder); |
88 }; | 85 }; |
89 | 86 |
90 } // namespace media | 87 } // namespace media |
91 | 88 |
92 #endif // MEDIA_FILTERS_VPX_VIDEO_DECODER_H_ | 89 #endif // MEDIA_FILTERS_VPX_VIDEO_DECODER_H_ |
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