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1 /* | 1 /* |
2 * Copyright 2012 The WebRTC project authors. All Rights Reserved. | 2 * Copyright 2012 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
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126 virtual bool GetStats(Stats* stats) = 0; | 126 virtual bool GetStats(Stats* stats) = 0; |
127 | 127 |
128 protected: | 128 protected: |
129 virtual ~VideoTrackSourceInterface() {} | 129 virtual ~VideoTrackSourceInterface() {} |
130 }; | 130 }; |
131 | 131 |
132 class VideoTrackInterface | 132 class VideoTrackInterface |
133 : public MediaStreamTrackInterface, | 133 : public MediaStreamTrackInterface, |
134 public rtc::VideoSourceInterface<VideoFrame> { | 134 public rtc::VideoSourceInterface<VideoFrame> { |
135 public: | 135 public: |
| 136 // Video track content hint, used to override the source is_screencast |
| 137 // property. |
| 138 // See https://crbug.com/653531 and https://github.com/WICG/mst-content-hint. |
| 139 enum class ContentHint { kNone, kFluid, kDetailed }; |
| 140 |
136 // Register a video sink for this track. | 141 // Register a video sink for this track. |
137 void AddOrUpdateSink(rtc::VideoSinkInterface<VideoFrame>* sink, | 142 void AddOrUpdateSink(rtc::VideoSinkInterface<VideoFrame>* sink, |
138 const rtc::VideoSinkWants& wants) override{}; | 143 const rtc::VideoSinkWants& wants) override {} |
139 void RemoveSink(rtc::VideoSinkInterface<VideoFrame>* sink) override{}; | 144 void RemoveSink(rtc::VideoSinkInterface<VideoFrame>* sink) override {} |
140 | 145 |
141 virtual VideoTrackSourceInterface* GetSource() const = 0; | 146 virtual VideoTrackSourceInterface* GetSource() const = 0; |
142 | 147 |
| 148 virtual ContentHint content_hint() const { return ContentHint::kNone; } |
| 149 virtual void set_content_hint(ContentHint hint) {} |
| 150 |
143 protected: | 151 protected: |
144 virtual ~VideoTrackInterface() {} | 152 virtual ~VideoTrackInterface() {} |
145 }; | 153 }; |
146 | 154 |
147 // Interface for receiving audio data from a AudioTrack. | 155 // Interface for receiving audio data from a AudioTrack. |
148 class AudioTrackSinkInterface { | 156 class AudioTrackSinkInterface { |
149 public: | 157 public: |
150 virtual void OnData(const void* audio_data, | 158 virtual void OnData(const void* audio_data, |
151 int bits_per_sample, | 159 int bits_per_sample, |
152 int sample_rate, | 160 int sample_rate, |
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264 virtual bool RemoveTrack(AudioTrackInterface* track) = 0; | 272 virtual bool RemoveTrack(AudioTrackInterface* track) = 0; |
265 virtual bool RemoveTrack(VideoTrackInterface* track) = 0; | 273 virtual bool RemoveTrack(VideoTrackInterface* track) = 0; |
266 | 274 |
267 protected: | 275 protected: |
268 virtual ~MediaStreamInterface() {} | 276 virtual ~MediaStreamInterface() {} |
269 }; | 277 }; |
270 | 278 |
271 } // namespace webrtc | 279 } // namespace webrtc |
272 | 280 |
273 #endif // WEBRTC_API_MEDIASTREAMINTERFACE_H_ | 281 #endif // WEBRTC_API_MEDIASTREAMINTERFACE_H_ |
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