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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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