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Better wait for new tracks

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This commit is contained in:
Pierre HUBERT 2020-05-03 20:57:52 +02:00
parent 698132b070
commit 6e07514c44
1 changed files with 24 additions and 13 deletions
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37
relay.go
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@ -8,6 +8,7 @@ import (
"encoding/json"
"io"
"log"
"strings"
"sync"
"time"
@ -192,7 +193,16 @@ func processCloseRequests() {
/// Start new call
func newCall(mainOffer receivedSignal, r *activeRelay) {
log.Printf("Starting new call: %s / id: %d", r.callHash, r.id)
// I am not sure this is a strong way to determine whether we are having
// a video call or not, but I have not found any better way yet...
isVideoCall := strings.Contains(mainOffer.sdp.SDP, "m=video") || strings.Contains(mainOffer.sdp.SDP, "mid:video")
print(mainOffer.sdp.SDP)
numberTracks := 1
if isVideoCall {
numberTracks = 2
}
log.Printf("Starting new call: %s / id: %d / number of tracks: %d", r.callHash, r.id, numberTracks)
// Ice candidates mutex
var candidatesMux sync.Mutex
@ -279,7 +289,7 @@ func newCall(mainOffer receivedSignal, r *activeRelay) {
return
}
localTrackChan := make(chan *webrtc.Track)
localTrackChan := make(chan *webrtc.Track, numberTracks)
// Set a handler for when a new remote track starts, this just distributes all our packets
// to connected peers
@ -400,17 +410,6 @@ func newCall(mainOffer receivedSignal, r *activeRelay) {
// Enter messags loop
for {
// Receive new channels
stopCheck := len(localTracks) >= 2 // Stop check if we got all the channel
for !stopCheck {
select {
case t := <-localTrackChan:
localTracks = append(localTracks, t)
case <-time.After(time.Millisecond * 100):
stopCheck = true
}
}
newMessage, ok := <-r.channel
if !ok {
@ -426,6 +425,18 @@ func newCall(mainOffer receivedSignal, r *activeRelay) {
val.Close()
}
// First, we must make sure that we got all the tracks we need, before
// creating an offer (in order not to miss a track while building the offer)
stopCheck := len(localTracks) >= numberTracks // Stop check if we got all the channel
for !stopCheck {
select {
case t := <-localTrackChan:
localTracks = append(localTracks, t)
case <-time.After(time.Millisecond * 1000):
stopCheck = true
}
}
// Ice candidates mutex
var newCandidatesMux sync.Mutex
newPendingCandidates := make([]*webrtc.ICECandidate, 0)