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Remove the jitter buffer in the non transcoded WHIP path (#245)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,90 @@ | ||
| // Copyright 2024 LiveKit, Inc. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package utils | ||
|
|
||
| import "github.com/pion/rtcp" | ||
|
|
||
| func ReplaceRTCPPacketSSRC(pkt rtcp.Packet, newSSRC uint32) (rtcp.Packet, error) { | ||
| switch cpkt := pkt.(type) { | ||
| case *rtcp.SenderReport: | ||
| cpkt.SSRC = newSSRC | ||
| case *rtcp.ReceiverReport: | ||
| cpkt.SSRC = newSSRC | ||
| for i, _ := range cpkt.Reports { | ||
| cpkt.Reports[i].SSRC = newSSRC | ||
| } | ||
| case *rtcp.SourceDescription: | ||
| for i, _ := range cpkt.Chunks { | ||
| cpkt.Chunks[i].Source = newSSRC | ||
| } | ||
| case *rtcp.Goodbye: | ||
| for i, _ := range cpkt.Sources { | ||
| cpkt.Sources[i] = newSSRC | ||
| } | ||
| case *rtcp.TransportLayerNack: | ||
| cpkt.SenderSSRC = newSSRC | ||
| cpkt.MediaSSRC = newSSRC | ||
| case *rtcp.RapidResynchronizationRequest: | ||
| cpkt.SenderSSRC = newSSRC | ||
| cpkt.MediaSSRC = newSSRC | ||
| case *rtcp.TransportLayerCC: | ||
| cpkt.SenderSSRC = newSSRC | ||
| cpkt.MediaSSRC = newSSRC | ||
| case *rtcp.CCFeedbackReport: | ||
| cpkt.SenderSSRC = newSSRC | ||
| case *rtcp.PictureLossIndication: | ||
| cpkt.SenderSSRC = newSSRC | ||
| cpkt.MediaSSRC = newSSRC | ||
| case *rtcp.SliceLossIndication: | ||
| cpkt.SenderSSRC = newSSRC | ||
| cpkt.MediaSSRC = newSSRC | ||
| case *rtcp.ReceiverEstimatedMaximumBitrate: | ||
| cpkt.SenderSSRC = newSSRC | ||
| case *rtcp.FullIntraRequest: | ||
| cpkt.SenderSSRC = newSSRC | ||
| cpkt.MediaSSRC = newSSRC | ||
| case *rtcp.ExtendedReport: | ||
| cpkt.SenderSSRC = newSSRC | ||
| err := handleExtendedReports(cpkt.Reports, newSSRC) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| } | ||
|
|
||
| return pkt, nil | ||
| } | ||
|
|
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| func handleExtendedReports(reports []rtcp.ReportBlock, newSSRC uint32) error { | ||
| for _, report := range reports { | ||
| switch r := report.(type) { | ||
| case *rtcp.LossRLEReportBlock: | ||
| r.SSRC = newSSRC | ||
| case *rtcp.DuplicateRLEReportBlock: | ||
| r.SSRC = newSSRC | ||
| case *rtcp.PacketReceiptTimesReportBlock: | ||
| r.SSRC = newSSRC | ||
| case *rtcp.DLRRReportBlock: | ||
| for i, _ := range r.Reports { | ||
| r.Reports[i].SSRC = newSSRC | ||
| } | ||
| case *rtcp.StatisticsSummaryReportBlock: | ||
| r.SSRC = newSSRC | ||
| case *rtcp.VoIPMetricsReportBlock: | ||
| r.SSRC = newSSRC | ||
| } | ||
| } | ||
|
|
||
| return nil | ||
| } |
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