Make cricket::VideoCapturer implement VideoSourceInterface

webrtc/media/base/videobroadcaster.cc

+/*
+ *  Copyright (c) 2016 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.
+ */
+
+#include "webrtc/media/base/videobroadcaster.h"
+
+#include "webrtc/base/checks.h"
+
+namespace rtc {
+
+VideoBroadCaster::VideoBroadCaster() {
+  thread_checker_.DetachFromThread();
+}
+
+void VideoBroadCaster::AddSink(VideoSinkInterface<cricket::VideoFrame>* sink) {
+  RTC_DCHECK(thread_checker_.CalledOnValidThread());
+  RTC_DCHECK(sink != nullptr);
+  RTC_DCHECK(std::find(sinks_.begin(), sinks_.end(), sink) == sinks_.end());
+  sinks_.push_back(sink);
+}
+
+void VideoBroadCaster::AddOrUpdateSink(
+    VideoSinkInterface<cricket::VideoFrame>* sink,
+    const VideoSinkHints& hints) {
+  RTC_DCHECK(thread_checker_.CalledOnValidThread());
+  RTC_DCHECK(sink != nullptr);
+  if (std::find(sinks_.begin(), sinks_.end(), sink) == sinks_.end()) {
+    sinks_.push_back(sink);
+  }
+
+  // TODO(perkj): Handle different sinks with different hints.
+  RTC_DCHECK(current_hints_.first == nullptr || current_hints_.first == sink);
+
+  current_hints_.first = sink;
+  if (hints != current_hints_.second) {
+    current_hints_.second = hints;
+  }
+}
+
+void VideoBroadCaster::RemoveSink(
+    VideoSinkInterface<cricket::VideoFrame>* sink) {
+  RTC_DCHECK(thread_checker_.CalledOnValidThread());
+  RTC_DCHECK(sink != nullptr);
+  RTC_DCHECK(std::find(sinks_.begin(), sinks_.end(), sink) != sinks_.end());
+  sinks_.erase(std::remove(sinks_.begin(), sinks_.end(), sink), sinks_.end());
+  if (current_hints_.first == sink)
+    current_hints_.first = nullptr;

[pthatcher1, 2016/02/08 20:59:39]

{}s please

[perkj_webrtc, 2016/02/09 13:23:57]

Acknowledged.

+}
+
+bool VideoBroadCaster::FrameWillBeDelivered() const {
+  RTC_DCHECK(thread_checker_.CalledOnValidThread());
+  return !sinks_.empty();
+}
+
+VideoSinkHints VideoBroadCaster::DerivedHints() const {
+  RTC_DCHECK(thread_checker_.CalledOnValidThread());
+  return current_hints_.second;
+}
+
+void VideoBroadCaster::OnFrame(const cricket::VideoFrame& frame) {
+  RTC_DCHECK(thread_checker_.CalledOnValidThread());
+  for (auto* sink : sinks_) {
+    sink->OnFrame(frame);
+  }
+}
+
+}  // namespace rtc