Revert of 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::AddOrUpdateSink(
-    VideoSinkInterface<cricket::VideoFrame>* sink,
-    const VideoSinkWants& wants) {
-  RTC_DCHECK(thread_checker_.CalledOnValidThread());
-  RTC_DCHECK(sink != nullptr);
-
-  SinkPair* sink_pair = FindSinkPair(sink);
-  if (!sink_pair) {
-    sinks_.push_back(SinkPair(sink, wants));
-  } else {
-    sink_pair->wants = wants;
-  }
-
-  // Rotation must be applied by the source if one sink wants it.
-  current_wants_.rotation_applied = false;
-  for (auto& sink_pair : sinks_) {
-    current_wants_.rotation_applied |= sink_pair.wants.rotation_applied;
-  }
-}
-
-void VideoBroadcaster::RemoveSink(
-    VideoSinkInterface<cricket::VideoFrame>* sink) {
-  RTC_DCHECK(thread_checker_.CalledOnValidThread());
-  RTC_DCHECK(sink != nullptr);
-  RTC_DCHECK(FindSinkPair(sink));
-
-  sinks_.erase(std::remove_if(sinks_.begin(), sinks_.end(),
-                              [sink](const SinkPair& sink_pair) {
-                                return sink_pair.sink == sink;
-                              }),
-               sinks_.end());
-}
-
-bool VideoBroadcaster::frame_wanted() const {
-  RTC_DCHECK(thread_checker_.CalledOnValidThread());
-  return !sinks_.empty();
-}
-
-VideoSinkWants VideoBroadcaster::wants() const {
-  RTC_DCHECK(thread_checker_.CalledOnValidThread());
-  return current_wants_;
-}
-
-void VideoBroadcaster::OnFrame(const cricket::VideoFrame& frame) {
-  RTC_DCHECK(thread_checker_.CalledOnValidThread());
-  for (auto& sink_pair : sinks_) {
-    sink_pair.sink->OnFrame(frame);
-  }
-}
-
-VideoBroadcaster::SinkPair* VideoBroadcaster::FindSinkPair(
-    const VideoSinkInterface<cricket::VideoFrame>* sink) {
-  auto sink_pair_it = std::find_if(
-      sinks_.begin(), sinks_.end(),
-      [sink](const SinkPair& sink_pair) { return sink_pair.sink == sink; });
-  if (sink_pair_it != sinks_.end()) {
-    return &*sink_pair_it;
-  }
-  return nullptr;
-}
-
-}  // namespace rtc