Adding upstream version 110.0.1.upstream/110.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 54 insertions, 0 deletions

diff --git a/third_party/libwebrtc/test/frame_forwarder.h b/third_party/libwebrtc/test/frame_forwarder.h
new file mode 100644
index 0000000000..6dfba9521d
--- /dev/null
+++ b/third_party/libwebrtc/test/frame_forwarder.h
@@ -0,0 +1,54 @@
+/*
+ *  Copyright (c) 2019 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+#ifndef TEST_FRAME_FORWARDER_H_
+#define TEST_FRAME_FORWARDER_H_
+
+#include "api/video/video_frame.h"
+#include "api/video/video_source_interface.h"
+#include "rtc_base/synchronization/mutex.h"
+
+namespace webrtc {
+namespace test {
+
+// FrameForwarder can be used as an implementation
+// of rtc::VideoSourceInterface<VideoFrame> where the caller controls when
+// a frame should be forwarded to its sink.
+// Currently this implementation only support one sink.
+class FrameForwarder : public rtc::VideoSourceInterface<VideoFrame> {
+ public:
+  FrameForwarder();
+  ~FrameForwarder() override;
+  // Forwards `video_frame` to the registered `sink_`.
+  virtual void IncomingCapturedFrame(const VideoFrame& video_frame)
+      RTC_LOCKS_EXCLUDED(mutex_);
+  rtc::VideoSinkWants sink_wants() const RTC_LOCKS_EXCLUDED(mutex_);
+  bool has_sinks() const RTC_LOCKS_EXCLUDED(mutex_);
+
+ protected:
+  rtc::VideoSinkWants sink_wants_locked() const
+      RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_);
+  void AddOrUpdateSink(rtc::VideoSinkInterface<VideoFrame>* sink,
+                       const rtc::VideoSinkWants& wants)
+      RTC_LOCKS_EXCLUDED(mutex_) override;
+  void AddOrUpdateSinkLocked(rtc::VideoSinkInterface<VideoFrame>* sink,
+                             const rtc::VideoSinkWants& wants)
+      RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_);
+  void RemoveSink(rtc::VideoSinkInterface<VideoFrame>* sink)
+      RTC_LOCKS_EXCLUDED(mutex_) override;
+
+  mutable Mutex mutex_;
+  rtc::VideoSinkInterface<VideoFrame>* sink_ RTC_GUARDED_BY(mutex_);
+  rtc::VideoSinkWants sink_wants_ RTC_GUARDED_BY(mutex_);
+};
+
+}  // namespace test
+}  // namespace webrtc
+
+#endif  // TEST_FRAME_FORWARDER_H_