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unify add/remove_track arguments for peer connections #523

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unify add/remove_track arguments for peer connections #523

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7 changes: 5 additions & 2 deletions examples/examples/play-from-disk-renegotiation/play-from-disk-renegotiation.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -212,9 +212,12 @@ async fn remove_video(
r: Request<Body>,
) -> Result<Response<Body>, hyper::Error> {
let senders = pc.get_senders().await;

if !senders.is_empty() {
if let Err(err) = pc.remove_track(&senders[0]).await {
panic!("{}", err);
if let Some(track) = senders[0].track().await {
if let Err(err) = pc.remove_track(track).await {
panic!("{}", err);
}
}
}

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16 changes: 7 additions & 9 deletions webrtc/src/peer_connection/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1731,26 +1731,24 @@ impl RTCPeerConnection {
}

/// remove_track removes a Track from the PeerConnection
pub async fn remove_track(&self, sender: &Arc<RTCRtpSender>) -> Result<()> {
pub async fn remove_track(&self, track: Arc<dyn TrackLocal + Send + Sync>) -> Result<()> {
if self.internal.is_closed.load(Ordering::SeqCst) {
return Err(Error::ErrConnectionClosed);
}

let mut transceiver = None;
let mut signals = None;
{
let rtp_transceivers = self.internal.rtp_transceivers.lock().await;
for t in &*rtp_transceivers {
if t.sender().await.id == sender.id {
if sender.track().await.is_none() {
return Ok(());
}
transceiver = Some(t.clone());
let sender = t.sender().await;
if sender.id == track.id() {
signals = Some((t.clone(), sender.clone()));
break;
}
}
}

let t = transceiver.ok_or(Error::ErrSenderNotCreatedByConnection)?;
let (t, s) = signals.ok_or(Error::ErrSenderNotCreatedByConnection)?;

// This also happens in `set_sending_track` but we need to make sure we do this
// before we call sender.stop to avoid a race condition when removing tracks and
Expand All @@ -1760,7 +1758,7 @@ impl RTCPeerConnection {
t.direction().has_recv(),
));
// Stop the sender
let sender_result = sender.stop().await;
let sender_result = s.stop().await;
// This also updates direction
let sending_track_result = t.set_sending_track(None).await;

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