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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 REMOTING_BASE_DECODER_VP8_H_ | 5 #ifndef REMOTING_BASE_DECODER_VP8_H_ |
6 #define REMOTING_BASE_DECODER_VP8_H_ | 6 #define REMOTING_BASE_DECODER_VP8_H_ |
7 | 7 |
8 #include "remoting/base/decoder.h" | 8 #include "remoting/base/decoder.h" |
9 | 9 |
10 typedef struct vpx_codec_ctx vpx_codec_ctx_t; | 10 typedef struct vpx_codec_ctx vpx_codec_ctx_t; |
11 typedef struct vpx_image vpx_image_t; | 11 typedef struct vpx_image vpx_image_t; |
12 | 12 |
13 namespace remoting { | 13 namespace remoting { |
14 | 14 |
15 class DecoderVp8 : public Decoder { | 15 class DecoderVp8 : public Decoder { |
16 public: | 16 public: |
17 DecoderVp8(); | 17 DecoderVp8(); |
18 virtual ~DecoderVp8(); | 18 virtual ~DecoderVp8(); |
19 | 19 |
20 // Decoder implementations. | 20 // Decoder implementations. |
21 virtual void Initialize(scoped_refptr<media::VideoFrame> frame) OVERRIDE; | 21 virtual void Initialize(scoped_refptr<media::VideoFrame> frame) OVERRIDE; |
22 virtual DecodeResult DecodePacket(const VideoPacket* packet) OVERRIDE; | 22 virtual DecodeResult DecodePacket(const VideoPacket* packet) OVERRIDE; |
23 virtual void GetUpdatedRegion(SkRegion* region) OVERRIDE; | 23 virtual void GetUpdatedRects(RectVector* rects) OVERRIDE; |
24 virtual bool IsReadyForData() OVERRIDE; | 24 virtual bool IsReadyForData() OVERRIDE; |
25 virtual void Reset() OVERRIDE; | 25 virtual void Reset() OVERRIDE; |
26 virtual VideoPacketFormat::Encoding Encoding() OVERRIDE; | 26 virtual VideoPacketFormat::Encoding Encoding() OVERRIDE; |
27 virtual void SetOutputSize(const SkISize& size) OVERRIDE; | 27 virtual void SetOutputSize(const SkISize& size) OVERRIDE; |
28 virtual void SetClipRect(const SkIRect& clip_rect) OVERRIDE; | 28 virtual void SetClipRect(const SkIRect& clip_rect) OVERRIDE; |
29 virtual void RefreshRegion(const SkRegion& region) OVERRIDE; | 29 virtual void RefreshRects(const RectVector& rects) OVERRIDE; |
30 | 30 |
31 private: | 31 private: |
32 enum State { | 32 enum State { |
33 kUninitialized, | 33 kUninitialized, |
34 kReady, | 34 kReady, |
35 kError, | 35 kError, |
36 }; | 36 }; |
37 | 37 |
38 // Return true if scaling is enabled | 38 // Return true if scaling is enabled |
39 bool DoScaling() const; | 39 bool DoScaling() const; |
40 | 40 |
41 // Perform color space conversion on the specified region. | 41 // Perform color space conversion on the specified rectangles. |
42 // Writes the updated region to |output_region|. | 42 // Write the updated rectangles to |output_rects|. |
43 void ConvertRegion(const SkRegion& region, | 43 void ConvertRects(const RectVector& rects, |
44 SkRegion* output_region); | 44 RectVector* output_rects); |
45 | 45 |
46 // Perform scaling and color space conversion on the specified | 46 // Perform scaling and color space conversion on the specified |
47 // region. Writes the updated rectangles to |output_region|. | 47 // rectangles. |
48 void ScaleAndConvertRegion(const SkRegion& region, | 48 // Write the updated rectangles to |output_rects|. |
49 SkRegion* output_region); | 49 void ScaleAndConvertRects(const RectVector& rects, |
| 50 RectVector* output_rects); |
50 | 51 |
51 // The internal state of the decoder. | 52 // The internal state of the decoder. |
52 State state_; | 53 State state_; |
53 | 54 |
54 // The video frame to write to. | 55 // The video frame to write to. |
55 scoped_refptr<media::VideoFrame> frame_; | 56 scoped_refptr<media::VideoFrame> frame_; |
56 | 57 |
57 vpx_codec_ctx_t* codec_; | 58 vpx_codec_ctx_t* codec_; |
58 | 59 |
59 // Pointer to the last decoded image. | 60 // Pointer to the last decoded image. |
60 vpx_image_t* last_image_; | 61 vpx_image_t* last_image_; |
61 | 62 |
62 // The region updated by the most recent decode. | 63 // Record the updated rects in the last decode. |
63 SkRegion updated_region_; | 64 RectVector updated_rects_; |
64 | 65 |
65 // Clipping rect for the output of the decoder. | 66 // Clipping rect for the output of the decoder. |
66 SkIRect clip_rect_; | 67 SkIRect clip_rect_; |
67 | 68 |
68 // Output dimensions. | 69 // Output dimensions. |
69 SkISize output_size_; | 70 SkISize output_size_; |
70 | 71 |
71 DISALLOW_COPY_AND_ASSIGN(DecoderVp8); | 72 DISALLOW_COPY_AND_ASSIGN(DecoderVp8); |
72 }; | 73 }; |
73 | 74 |
74 } // namespace remoting | 75 } // namespace remoting |
75 | 76 |
76 #endif // REMOTING_BASE_DECODER_VP8_H_ | 77 #endif // REMOTING_BASE_DECODER_VP8_H_ |
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