| // Copyright 2015 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef THIRD_PARTY_BLINK_PUBLIC_WEB_MODULES_MEDIASTREAM_WEB_MEDIA_STREAM_UTILS_H_ |
| #define THIRD_PARTY_BLINK_PUBLIC_WEB_MODULES_MEDIASTREAM_WEB_MEDIA_STREAM_UTILS_H_ |
| |
| #include <memory> |
| |
| #include "media/capture/video_capture_types.h" |
| #include "third_party/blink/public/common/media/video_capture.h" |
| #include "third_party/blink/public/platform/web_common.h" |
| #include "third_party/blink/public/web/modules/mediastream/media_stream_video_source.h" |
| |
| namespace blink { |
| |
| class WebMediaStreamSink; |
| class WebMediaStreamTrack; |
| |
| // TODO(crbug.com/704136): Move these helper functions out of the Blink |
| // public API. Note for while moving it: there is an existing |
| // media_stream_utils.h on renderer/modules/mediastream. |
| |
| // Calls to these methods must be done on the main render thread. |
| // Note that |callback| for frame delivery happens on the IO thread. |
| // Warning: Calling RemoveSinkFromMediaStreamTrack does not immediately stop |
| // frame delivery through the |callback|, since frames are being delivered on |
| // a different thread. |
| // |is_sink_secure| indicates if |sink| meets output protection requirement. |
| // Generally, this should be false unless you know what you are doing. |
| BLINK_MODULES_EXPORT void AddSinkToMediaStreamTrack( |
| const WebMediaStreamTrack& track, |
| WebMediaStreamSink* sink, |
| const VideoCaptureDeliverFrameCB& callback, |
| bool is_sink_secure); |
| BLINK_MODULES_EXPORT void RemoveSinkFromMediaStreamTrack( |
| const WebMediaStreamTrack& track, |
| WebMediaStreamSink* sink); |
| |
| // See documentation of MediaStreamVideoTrack::CreateVideoTrack(). |
| BLINK_MODULES_EXPORT WebMediaStreamTrack CreateWebMediaStreamVideoTrack( |
| MediaStreamVideoSource* source, |
| MediaStreamVideoSource::ConstraintsOnceCallback callback, |
| bool enabled); |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_PUBLIC_WEB_MODULES_MEDIASTREAM_WEB_MEDIA_STREAM_UTILS_H_ |
