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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 "base/memory/weak_ptr.h" | 9 #include "base/memory/weak_ptr.h" |
10 #include "media/base/demuxer_stream.h" | 10 #include "media/base/demuxer_stream.h" |
11 #include "media/base/video_decoder.h" | 11 #include "media/base/video_decoder.h" |
12 #include "media/base/video_decoder_config.h" | 12 #include "media/base/video_decoder_config.h" |
13 #include "media/base/video_frame.h" | 13 #include "media/base/video_frame.h" |
14 | 14 |
15 struct vpx_codec_ctx; | 15 struct vpx_codec_ctx; |
16 struct vpx_image; | 16 struct vpx_image; |
17 | 17 |
18 namespace base { | 18 namespace base { |
19 class MessageLoopProxy; | 19 class SingleThreadTaskRunner; |
20 } | 20 } |
21 | 21 |
22 namespace media { | 22 namespace media { |
23 | 23 |
24 // Libvpx video decoder wrapper. | 24 // Libvpx video decoder wrapper. |
25 // Note: VpxVideoDecoder accepts only YV12A VP8 content or VP9 content. This is | 25 // Note: VpxVideoDecoder accepts only YV12A VP8 content or VP9 content. This is |
26 // done to avoid usurping FFmpeg for all vp8 decoding, because the FFmpeg VP8 | 26 // done to avoid usurping FFmpeg for all vp8 decoding, because the FFmpeg VP8 |
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::MessageLoopProxy>& message_loop); | 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 const PipelineStatusCB& status_cb) OVERRIDE; | 36 const PipelineStatusCB& status_cb) OVERRIDE; |
37 virtual void Decode(const scoped_refptr<DecoderBuffer>& buffer, | 37 virtual void Decode(const scoped_refptr<DecoderBuffer>& buffer, |
38 const DecodeCB& decode_cb) OVERRIDE; | 38 const DecodeCB& decode_cb) OVERRIDE; |
39 virtual void Reset(const base::Closure& closure) OVERRIDE; | 39 virtual void Reset(const base::Closure& closure) OVERRIDE; |
40 virtual void Stop(const base::Closure& closure) OVERRIDE; | 40 virtual void Stop(const base::Closure& closure) OVERRIDE; |
41 virtual bool HasAlpha() const OVERRIDE; | 41 virtual bool HasAlpha() const OVERRIDE; |
(...skipping 17 matching lines...) Expand all Loading... |
59 bool VpxDecode(const scoped_refptr<DecoderBuffer>& buffer, | 59 bool VpxDecode(const scoped_refptr<DecoderBuffer>& buffer, |
60 scoped_refptr<VideoFrame>* video_frame); | 60 scoped_refptr<VideoFrame>* video_frame); |
61 | 61 |
62 // Reset decoder and call |reset_cb_|. | 62 // Reset decoder and call |reset_cb_|. |
63 void DoReset(); | 63 void DoReset(); |
64 | 64 |
65 void CopyVpxImageTo(const vpx_image* vpx_image, | 65 void CopyVpxImageTo(const vpx_image* vpx_image, |
66 const struct vpx_image* vpx_image_alpha, | 66 const struct vpx_image* vpx_image_alpha, |
67 scoped_refptr<VideoFrame>* video_frame); | 67 scoped_refptr<VideoFrame>* video_frame); |
68 | 68 |
69 scoped_refptr<base::MessageLoopProxy> message_loop_; | 69 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; |
70 base::WeakPtrFactory<VpxVideoDecoder> weak_factory_; | 70 base::WeakPtrFactory<VpxVideoDecoder> weak_factory_; |
71 base::WeakPtr<VpxVideoDecoder> weak_this_; | 71 base::WeakPtr<VpxVideoDecoder> weak_this_; |
72 | 72 |
73 DecoderState state_; | 73 DecoderState state_; |
74 | 74 |
75 DecodeCB decode_cb_; | 75 DecodeCB decode_cb_; |
76 base::Closure reset_cb_; | 76 base::Closure reset_cb_; |
77 | 77 |
78 VideoDecoderConfig config_; | 78 VideoDecoderConfig config_; |
79 | 79 |
80 vpx_codec_ctx* vpx_codec_; | 80 vpx_codec_ctx* vpx_codec_; |
81 vpx_codec_ctx* vpx_codec_alpha_; | 81 vpx_codec_ctx* vpx_codec_alpha_; |
82 | 82 |
83 DISALLOW_COPY_AND_ASSIGN(VpxVideoDecoder); | 83 DISALLOW_COPY_AND_ASSIGN(VpxVideoDecoder); |
84 }; | 84 }; |
85 | 85 |
86 } // namespace media | 86 } // namespace media |
87 | 87 |
88 #endif // MEDIA_FILTERS_VPX_VIDEO_DECODER_H_ | 88 #endif // MEDIA_FILTERS_VPX_VIDEO_DECODER_H_ |
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