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/*
* 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 "media/base/video_source_base.h"
#include <algorithm>
#include "absl/algorithm/container.h"
#include "rtc_base/checks.h"
namespace rtc {
VideoSourceBase::VideoSourceBase() = default;
VideoSourceBase::~VideoSourceBase() = default;
void VideoSourceBase::AddOrUpdateSink(
VideoSinkInterface<webrtc::VideoFrame>* sink,
const VideoSinkWants& wants) {
RTC_DCHECK(sink != nullptr);
SinkPair* sink_pair = FindSinkPair(sink);
if (!sink_pair) {
sinks_.push_back(SinkPair(sink, wants));
} else {
sink_pair->wants = wants;
}
}
void VideoSourceBase::RemoveSink(VideoSinkInterface<webrtc::VideoFrame>* sink) {
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());
}
VideoSourceBase::SinkPair* VideoSourceBase::FindSinkPair(
const VideoSinkInterface<webrtc::VideoFrame>* sink) {
auto sink_pair_it = absl::c_find_if(
sinks_,
[sink](const SinkPair& sink_pair) { return sink_pair.sink == sink; });
if (sink_pair_it != sinks_.end()) {
return &*sink_pair_it;
}
return nullptr;
}
VideoSourceBaseGuarded::VideoSourceBaseGuarded() = default;
VideoSourceBaseGuarded::~VideoSourceBaseGuarded() = default;
void VideoSourceBaseGuarded::AddOrUpdateSink(
VideoSinkInterface<webrtc::VideoFrame>* sink,
const VideoSinkWants& wants) {
RTC_DCHECK_RUN_ON(&source_sequence_);
RTC_DCHECK(sink != nullptr);
SinkPair* sink_pair = FindSinkPair(sink);
if (!sink_pair) {
sinks_.push_back(SinkPair(sink, wants));
} else {
sink_pair->wants = wants;
}
}
void VideoSourceBaseGuarded::RemoveSink(
VideoSinkInterface<webrtc::VideoFrame>* sink) {
RTC_DCHECK_RUN_ON(&source_sequence_);
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());
}
VideoSourceBaseGuarded::SinkPair* VideoSourceBaseGuarded::FindSinkPair(
const VideoSinkInterface<webrtc::VideoFrame>* sink) {
RTC_DCHECK_RUN_ON(&source_sequence_);
auto sink_pair_it = absl::c_find_if(
sinks_,
[sink](const SinkPair& sink_pair) { return sink_pair.sink == sink; });
if (sink_pair_it != sinks_.end()) {
return &*sink_pair_it;
}
return nullptr;
}
const std::vector<VideoSourceBaseGuarded::SinkPair>&
VideoSourceBaseGuarded::sink_pairs() const {
RTC_DCHECK_RUN_ON(&source_sequence_);
return sinks_;
}
} // namespace rtc