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