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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef REMOTING_BASE_DECODER_VP8_H_ | |
6 #define REMOTING_BASE_DECODER_VP8_H_ | |
7 | |
8 #include "base/compiler_specific.h" | |
9 #include "remoting/base/decoder.h" | |
10 | |
11 typedef struct vpx_codec_ctx vpx_codec_ctx_t; | |
12 typedef struct vpx_image vpx_image_t; | |
13 | |
14 namespace remoting { | |
15 | |
16 class DecoderVp8 : public Decoder { | |
17 public: | |
18 DecoderVp8(); | |
19 virtual ~DecoderVp8(); | |
20 | |
21 // Decoder implementations. | |
22 virtual void Initialize(const SkISize& screen_size) OVERRIDE; | |
23 virtual DecodeResult DecodePacket(const VideoPacket* packet) OVERRIDE; | |
24 virtual bool IsReadyForData() OVERRIDE; | |
25 virtual VideoPacketFormat::Encoding Encoding() OVERRIDE; | |
26 virtual void Invalidate(const SkISize& view_size, | |
27 const SkRegion& region) OVERRIDE; | |
28 virtual void RenderFrame(const SkISize& view_size, | |
29 const SkIRect& clip_area, | |
30 uint8* image_buffer, | |
31 int image_stride, | |
32 SkRegion* output_region) OVERRIDE; | |
33 | |
34 private: | |
35 enum State { | |
36 kUninitialized, | |
37 kReady, | |
38 kError, | |
39 }; | |
40 | |
41 // The internal state of the decoder. | |
42 State state_; | |
43 | |
44 vpx_codec_ctx_t* codec_; | |
45 | |
46 // Pointer to the last decoded image. | |
47 vpx_image_t* last_image_; | |
48 | |
49 // The region updated that hasn't been copied to the screen yet. | |
50 SkRegion updated_region_; | |
51 | |
52 // Output dimensions. | |
53 SkISize screen_size_; | |
54 | |
55 DISALLOW_COPY_AND_ASSIGN(DecoderVp8); | |
56 }; | |
57 | |
58 } // namespace remoting | |
59 | |
60 #endif // REMOTING_BASE_DECODER_VP8_H_ | |
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