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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 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 CONTENT_RENDERER_MEDIA_WEBRTC_VIDEO_DESTINATION_HANDLER_H_ | 5 #ifndef CONTENT_RENDERER_MEDIA_WEBRTC_VIDEO_DESTINATION_HANDLER_H_ |
6 #define CONTENT_RENDERER_MEDIA_WEBRTC_VIDEO_DESTINATION_HANDLER_H_ | 6 #define CONTENT_RENDERER_MEDIA_WEBRTC_VIDEO_DESTINATION_HANDLER_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
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53 int max_requested_width, | 53 int max_requested_width, |
54 int max_requested_height, | 54 int max_requested_height, |
55 double max_requested_frame_rate, | 55 double max_requested_frame_rate, |
56 const VideoCaptureDeviceFormatsCB& callback) override; | 56 const VideoCaptureDeviceFormatsCB& callback) override; |
57 void StartSourceImpl( | 57 void StartSourceImpl( |
58 const media::VideoCaptureFormat& format, | 58 const media::VideoCaptureFormat& format, |
59 const VideoCaptureDeliverFrameCB& frame_callback) override; | 59 const VideoCaptureDeliverFrameCB& frame_callback) override; |
60 void StopSourceImpl() override; | 60 void StopSourceImpl() override; |
61 | 61 |
62 private: | 62 private: |
63 // Endian in memory order, e.g. AXXX stands for uint8 pixel[4] = {A, x, x, x}; | |
64 enum PixelEndian { | |
65 UNKNOWN, | |
66 AXXX, | |
67 XXXA, | |
68 }; | |
69 | |
70 media::VideoFramePool frame_pool_; | 63 media::VideoFramePool frame_pool_; |
71 | 64 |
72 class FrameWriterDelegate; | 65 class FrameWriterDelegate; |
73 scoped_refptr<FrameWriterDelegate> delegate_; | 66 scoped_refptr<FrameWriterDelegate> delegate_; |
74 PixelEndian endian_; | |
75 | 67 |
76 DISALLOW_COPY_AND_ASSIGN(PpFrameWriter); | 68 DISALLOW_COPY_AND_ASSIGN(PpFrameWriter); |
77 }; | 69 }; |
78 | 70 |
79 // VideoDestinationHandler is a glue class between the content MediaStream and | 71 // VideoDestinationHandler is a glue class between the content MediaStream and |
80 // the effects pepper plugin host. | 72 // the effects pepper plugin host. |
81 class CONTENT_EXPORT VideoDestinationHandler { | 73 class CONTENT_EXPORT VideoDestinationHandler { |
82 public: | 74 public: |
83 // Instantiates and adds a new video track to the MediaStream specified by | 75 // Instantiates and adds a new video track to the MediaStream specified by |
84 // |url|. Returns a handler for delivering frames to the new video track as | 76 // |url|. Returns a handler for delivering frames to the new video track as |
85 // |frame_writer|. | 77 // |frame_writer|. |
86 // If |registry| is NULL the global blink::WebMediaStreamRegistry will be | 78 // If |registry| is NULL the global blink::WebMediaStreamRegistry will be |
87 // used to look up the media stream. | 79 // used to look up the media stream. |
88 // The caller of the function takes the ownership of |frame_writer|. | 80 // The caller of the function takes the ownership of |frame_writer|. |
89 // Returns true on success and false on failure. | 81 // Returns true on success and false on failure. |
90 static bool Open(MediaStreamRegistryInterface* registry, | 82 static bool Open(MediaStreamRegistryInterface* registry, |
91 const std::string& url, | 83 const std::string& url, |
92 FrameWriterInterface** frame_writer); | 84 FrameWriterInterface** frame_writer); |
93 | 85 |
94 private: | 86 private: |
95 DISALLOW_COPY_AND_ASSIGN(VideoDestinationHandler); | 87 DISALLOW_COPY_AND_ASSIGN(VideoDestinationHandler); |
96 }; | 88 }; |
97 | 89 |
98 } // namespace content | 90 } // namespace content |
99 | 91 |
100 #endif // CONTENT_RENDERER_MEDIA_VIDEO_DESTINATION_HANDLER_H_ | 92 #endif // CONTENT_RENDERER_MEDIA_VIDEO_DESTINATION_HANDLER_H_ |
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