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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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