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Fix resample to G711 for WebRTC

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This commit is contained in:
Alexey Khit
2023-07-16 06:36:04 +03:00
parent 13ca991c37
commit ade4c035b7
2 changed files with 4 additions and 4 deletions
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pkg/pcm/pcm.go
+3 -3
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@@ -7,15 +7,15 @@ import (
"github.com/pion/rtp" "github.com/pion/rtp"
) )
// ResampleToPCMA - convert PCMA/PCMU/PCM/PCML to PCMA with decreasing sample rate // ResampleToG711 - convert PCMA/PCM/PCML to PCMA and PCMU to PCMU with decreasing sample rate
func ResampleToPCMA(codec *core.Codec, sampleRate uint32, handler core.HandlerFunc) core.HandlerFunc { func ResampleToG711(codec *core.Codec, sampleRate uint32, handler core.HandlerFunc) core.HandlerFunc {
n := float32(codec.ClockRate) / float32(sampleRate) n := float32(codec.ClockRate) / float32(sampleRate)
switch codec.Name { switch codec.Name {
case core.CodecPCMA: case core.CodecPCMA:
return DownsampleByte(PCMAtoPCM, PCMtoPCMA, n, handler) return DownsampleByte(PCMAtoPCM, PCMtoPCMA, n, handler)
case core.CodecPCMU: case core.CodecPCMU:
return DownsampleByte(PCMUtoPCM, PCMtoPCMA, n, handler) return DownsampleByte(PCMUtoPCM, PCMtoPCMU, n, handler)
case core.CodecPCM, core.CodecPCML: case core.CodecPCM, core.CodecPCML:
if n == 1 { if n == 1 {
handler = ResamplePCM(PCMtoPCMA, handler) handler = ResamplePCM(PCMtoPCMA, handler)
pkg/webrtc/consumer.go
+1 -1
View File
@@ -70,7 +70,7 @@ func (c *Conn) AddTrack(media *core.Media, codec *core.Codec, track *core.Receiv
codec.Name = core.CodecPCMA codec.Name = core.CodecPCMA
} }
codec.ClockRate = 8000 codec.ClockRate = 8000
sender.Handler = pcm.ResampleToPCMA(track.Codec, 8000, sender.Handler) sender.Handler = pcm.ResampleToG711(track.Codec, 8000, sender.Handler)
} }
// Fix audio quality https://github.com/AlexxIT/WebRTC/issues/500 // Fix audio quality https://github.com/AlexxIT/WebRTC/issues/500