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Side by Side Diff: remoting/codec/video_decoder.h

Issue 10873047: Renamed Decoder -> VideoDecoder. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 8 years, 4 months ago
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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 REMOTING_CODEC_VIDEO_DECODER_H_ 5 #ifndef REMOTING_CODEC_VIDEO_DECODER_H_
6 #define REMOTING_CODEC_VIDEO_DECODER_H_ 6 #define REMOTING_CODEC_VIDEO_DECODER_H_
7 7
8 #include "base/basictypes.h" 8 #include "base/basictypes.h"
9 #include "remoting/proto/video.pb.h" 9 #include "remoting/proto/video.pb.h"
10 #include "third_party/skia/include/core/SkRect.h" 10 #include "third_party/skia/include/core/SkRect.h"
11 #include "third_party/skia/include/core/SkRegion.h" 11 #include "third_party/skia/include/core/SkRegion.h"
12 #include "third_party/skia/include/core/SkSize.h" 12 #include "third_party/skia/include/core/SkSize.h"
13 13
14 namespace remoting { 14 namespace remoting {
15 15
16 // Interface for a decoder that takes a stream of bytes from the network and 16 // Interface for a decoder that takes a stream of bytes from the network and
17 // outputs frames of data. 17 // outputs frames of data.
18 // 18 //
19 // TODO(ajwong): Beef up this documentation once the API stablizes. 19 // TODO(ajwong): Beef up this documentation once the API stablizes.
20 class Decoder { 20 class VideoDecoder {
21 public: 21 public:
22 // DecodeResult is returned from DecodePacket() and indicates current state 22 // DecodeResult is returned from DecodePacket() and indicates current state
23 // of the decoder. DECODE_DONE means that last packet for the frame was 23 // of the decoder. DECODE_DONE means that last packet for the frame was
24 // processed, and the frame can be displayed now. DECODE_IN_PROGRESS 24 // processed, and the frame can be displayed now. DECODE_IN_PROGRESS
25 // indicates that the decoder must receive more data before the frame can be 25 // indicates that the decoder must receive more data before the frame can be
26 // displayed. DECODE_ERROR is returned if there was an error in the stream. 26 // displayed. DECODE_ERROR is returned if there was an error in the stream.
27 enum DecodeResult { 27 enum DecodeResult {
28 DECODE_ERROR = -1, 28 DECODE_ERROR = -1,
29 DECODE_IN_PROGRESS, 29 DECODE_IN_PROGRESS,
30 DECODE_DONE, 30 DECODE_DONE,
31 }; 31 };
32 32
33 Decoder() {} 33 VideoDecoder() {}
34 virtual ~Decoder() {} 34 virtual ~VideoDecoder() {}
35 35
36 // Initializes the decoder and sets the output dimensions. 36 // Initializes the decoder and sets the output dimensions.
37 // |screen size| must not be empty. 37 // |screen size| must not be empty.
38 virtual void Initialize(const SkISize& screen_size) = 0; 38 virtual void Initialize(const SkISize& screen_size) = 0;
39 39
40 // Feeds more data into the decoder. 40 // Feeds more data into the decoder.
41 virtual DecodeResult DecodePacket(const VideoPacket* packet) = 0; 41 virtual DecodeResult DecodePacket(const VideoPacket* packet) = 0;
42 42
43 // Returns true if decoder is ready to accept data via DecodePacket. 43 // Returns true if decoder is ready to accept data via DecodePacket.
44 virtual bool IsReadyForData() = 0; 44 virtual bool IsReadyForData() = 0;
(...skipping 21 matching lines...) Expand all
66 virtual void RenderFrame(const SkISize& view_size, 66 virtual void RenderFrame(const SkISize& view_size,
67 const SkIRect& clip_area, 67 const SkIRect& clip_area,
68 uint8* image_buffer, 68 uint8* image_buffer,
69 int image_stride, 69 int image_stride,
70 SkRegion* output_region) = 0; 70 SkRegion* output_region) = 0;
71 }; 71 };
72 72
73 } // namespace remoting 73 } // namespace remoting
74 74
75 #endif // REMOTING_CODEC_VIDEO_DECODER_H_ 75 #endif // REMOTING_CODEC_VIDEO_DECODER_H_
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