webrtc_m130/pc/audiotrack.cc
Niels Möller bf6937a8e9 Reland "Make rtc_base/refcount.h self contained, not including refcountedobject.h."
This is a reland of b7239a9dc825ddb25dbc800aed3a065163b9a10e
Original change's description:
> Make rtc_base/refcount.h self contained, not including refcountedobject.h.
> 
> The refcount.h file doesn't depend on anything from
> refcountedobject.h. The motivation of this change to make it possible
> to add additional declarations to refcount.h, and include it from
> refcountedobject.h.
> 
> Bug: webrtc:8270
> Change-Id: I24f6131f471e675570968d00065ff9b1f55e3373
> Reviewed-on: https://webrtc-review.googlesource.com/5760
> Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
> Commit-Queue: Niels Moller <nisse@webrtc.org>
> Cr-Commit-Position: refs/heads/master@{#20106}

Bug: webrtc:8270
Change-Id: I9738f6680ab52d0f43639a1a39175fdba5957681
Reviewed-on: https://webrtc-review.googlesource.com/5840
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Commit-Queue: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20180}
2017-10-06 10:20:48 +00:00

75 lines
2.0 KiB
C++

/*
* Copyright 2011 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 "pc/audiotrack.h"
#include "rtc_base/checks.h"
#include "rtc_base/refcountedobject.h"
using rtc::scoped_refptr;
namespace webrtc {
// static
scoped_refptr<AudioTrack> AudioTrack::Create(
const std::string& id,
const scoped_refptr<AudioSourceInterface>& source) {
return new rtc::RefCountedObject<AudioTrack>(id, source);
}
AudioTrack::AudioTrack(const std::string& label,
const scoped_refptr<AudioSourceInterface>& source)
: MediaStreamTrack<AudioTrackInterface>(label), audio_source_(source) {
if (audio_source_) {
audio_source_->RegisterObserver(this);
OnChanged();
}
}
AudioTrack::~AudioTrack() {
RTC_DCHECK(thread_checker_.CalledOnValidThread());
set_state(MediaStreamTrackInterface::kEnded);
if (audio_source_)
audio_source_->UnregisterObserver(this);
}
std::string AudioTrack::kind() const {
RTC_DCHECK(thread_checker_.CalledOnValidThread());
return kAudioKind;
}
AudioSourceInterface* AudioTrack::GetSource() const {
RTC_DCHECK(thread_checker_.CalledOnValidThread());
return audio_source_.get();
}
void AudioTrack::AddSink(AudioTrackSinkInterface* sink) {
RTC_DCHECK(thread_checker_.CalledOnValidThread());
if (audio_source_)
audio_source_->AddSink(sink);
}
void AudioTrack::RemoveSink(AudioTrackSinkInterface* sink) {
RTC_DCHECK(thread_checker_.CalledOnValidThread());
if (audio_source_)
audio_source_->RemoveSink(sink);
}
void AudioTrack::OnChanged() {
RTC_DCHECK(thread_checker_.CalledOnValidThread());
if (audio_source_->state() == MediaSourceInterface::kEnded) {
set_state(kEnded);
} else {
set_state(kLive);
}
}
} // namespace webrtc