Squash: Set Opus PT clock rate and channels properly.

Author: JonathanLennox

jitsi-media-transform/src/main/kotlin/org/jitsi/nlj/format/PayloadType.kt

@@ -172,8 +172,10 @@ abstract class AudioPayloadType(
 
 class OpusPayloadType(
     pt: Byte,
+    clockRate: Int = 48000,
+    channels: Int = 2,
     parameters: PayloadTypeParams = ConcurrentHashMap()
-) : AudioPayloadType(pt, PayloadTypeEncoding.OPUS, parameters = parameters)
+) : AudioPayloadType(pt, PayloadTypeEncoding.OPUS, clockRate, channels, parameters = parameters)
 
 class TelephoneEventPayloadType(
     pt: Byte,

jvb/src/main/kotlin/org/jitsi/videobridge/util/PayloadTypeUtil.kt

@@ -99,7 +99,7 @@ class PayloadTypeUtil {
                 AV1 -> Av1PayloadType(id, parameters, rtcpFeedbackSet)
                 H264 -> H264PayloadType(id, parameters, rtcpFeedbackSet)
                 RTX -> RtxPayloadType(id, parameters)
-                OPUS -> OpusPayloadType(id, parameters)
+                OPUS -> OpusPayloadType(id, clockRate, channels, parameters)
                 TELEPHONE_EVENT -> TelephoneEventPayloadType(id, clockRate, channels, parameters)
                 RED -> when (mediaType) {
                     AUDIO -> AudioRedPayloadType(id, clockRate, channels, parameters)