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/*
* libjingle
* Copyright 2015 Google Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "talk/app/webrtc/rtpreceiver.h"
#include "talk/app/webrtc/videosourceinterface.h"
namespace webrtc {
AudioRtpReceiver::AudioRtpReceiver(AudioTrackInterface* track,
uint32_t ssrc,
AudioProviderInterface* provider)
: id_(track->id()),
track_(track),
ssrc_(ssrc),
provider_(provider),
cached_track_enabled_(track->enabled()) {
RTC_DCHECK(track_->GetSource()->remote());
track_->RegisterObserver(this);
track_->GetSource()->RegisterAudioObserver(this);
Reconfigure();
}
AudioRtpReceiver::~AudioRtpReceiver() {
track_->GetSource()->UnregisterAudioObserver(this);
track_->UnregisterObserver(this);
Stop();
}
void AudioRtpReceiver::OnChanged() {
if (cached_track_enabled_ != track_->enabled()) {
cached_track_enabled_ = track_->enabled();
Reconfigure();
}
}
void AudioRtpReceiver::OnSetVolume(double volume) {
// When the track is disabled, the volume of the source, which is the
// corresponding WebRtc Voice Engine channel will be 0. So we do not allow
// setting the volume to the source when the track is disabled.
if (provider_ && track_->enabled())
provider_->SetAudioPlayoutVolume(ssrc_, volume);
}
void AudioRtpReceiver::Stop() {
// TODO(deadbeef): Need to do more here to fully stop receiving packets.
if (!provider_) {
return;
}
provider_->SetAudioPlayout(ssrc_, false);
provider_ = nullptr;
}
void AudioRtpReceiver::Reconfigure() {
if (!provider_) {
return;
}
provider_->SetAudioPlayout(ssrc_, track_->enabled());
}
VideoRtpReceiver::VideoRtpReceiver(VideoTrackInterface* track,
uint32_t ssrc,
VideoProviderInterface* provider)
: id_(track->id()), track_(track), ssrc_(ssrc), provider_(provider) {
RTC_DCHECK(track_->GetSource()->remote());
provider_->SetVideoPlayout(ssrc_, true, track_->GetSource()->FrameInput());
}
VideoRtpReceiver::~VideoRtpReceiver() {
// Since cricket::VideoRenderer is not reference counted,
// we need to remove it from the provider before we are deleted.
Stop();
}
void VideoRtpReceiver::Stop() {
// TODO(deadbeef): Need to do more here to fully stop receiving packets.
if (!provider_) {
return;
}
provider_->SetVideoPlayout(ssrc_, false, nullptr);
provider_ = nullptr;
}
} // namespace webrtc
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