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Merged
anunaym14 merged 1 commit into from
Jan 20, 2026
Merged

move mime to new pkg #1374

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49 changes: 25 additions & 24 deletions codecs/codecs.go
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@ package codecs
import (
"strings"

"github.com/livekit/protocol/codecs/mime"
"github.com/livekit/protocol/livekit"
"github.com/livekit/protocol/logger"
"github.com/pion/webrtc/v4"
Expand All @@ -25,7 +26,7 @@ import (
var (
OpusCodecParameters = webrtc.RTPCodecParameters{
RTPCodecCapability: webrtc.RTPCodecCapability{
MimeType: MimeTypeOpus.String(),
MimeType: mime.MimeTypeOpus.String(),
ClockRate: 48000,
Channels: 2,
SDPFmtpLine: "minptime=10;useinbandfec=1",
Expand All @@ -35,7 +36,7 @@ var (

RedCodecParameters = webrtc.RTPCodecParameters{
RTPCodecCapability: webrtc.RTPCodecCapability{
MimeType: MimeTypeRED.String(),
MimeType: mime.MimeTypeRED.String(),
ClockRate: 48000,
Channels: 2,
SDPFmtpLine: "111/111",
Expand All @@ -45,38 +46,38 @@ var (

PCMUCodecParameters = webrtc.RTPCodecParameters{
RTPCodecCapability: webrtc.RTPCodecCapability{
MimeType: MimeTypePCMU.String(),
MimeType: mime.MimeTypePCMU.String(),
ClockRate: 8000,
},
PayloadType: 0,
}

PCMACodecParameters = webrtc.RTPCodecParameters{
RTPCodecCapability: webrtc.RTPCodecCapability{
MimeType: MimeTypePCMA.String(),
MimeType: mime.MimeTypePCMA.String(),
ClockRate: 8000,
},
PayloadType: 8,
}

VideoRTXCodecParameters = webrtc.RTPCodecParameters{
RTPCodecCapability: webrtc.RTPCodecCapability{
MimeType: MimeTypeRTX.String(),
MimeType: mime.MimeTypeRTX.String(),
ClockRate: 90000,
},
}

VP8CodecParameters = webrtc.RTPCodecParameters{
RTPCodecCapability: webrtc.RTPCodecCapability{
MimeType: MimeTypeVP8.String(),
MimeType: mime.MimeTypeVP8.String(),
ClockRate: 90000,
},
PayloadType: 96,
}

VP9ProfileId0CodecParameters = webrtc.RTPCodecParameters{
RTPCodecCapability: webrtc.RTPCodecCapability{
MimeType: MimeTypeVP9.String(),
MimeType: mime.MimeTypeVP9.String(),
ClockRate: 90000,
SDPFmtpLine: "profile-id=0",
},
Expand All @@ -85,7 +86,7 @@ var (

VP9ProfileId1CodecParameters = webrtc.RTPCodecParameters{
RTPCodecCapability: webrtc.RTPCodecCapability{
MimeType: MimeTypeVP9.String(),
MimeType: mime.MimeTypeVP9.String(),
ClockRate: 90000,
SDPFmtpLine: "profile-id=1",
},
Expand All @@ -94,7 +95,7 @@ var (

H264ProfileLevelId42e01fPacketizationMode0CodecParameters = webrtc.RTPCodecParameters{
RTPCodecCapability: webrtc.RTPCodecCapability{
MimeType: MimeTypeH264.String(),
MimeType: mime.MimeTypeH264.String(),
ClockRate: 90000,
SDPFmtpLine: "level-asymmetry-allowed=1;packetization-mode=0;profile-level-id=42e01f",
},
Expand All @@ -103,7 +104,7 @@ var (

H264ProfileLevelId42e01fPacketizationMode1CodecParameters = webrtc.RTPCodecParameters{
RTPCodecCapability: webrtc.RTPCodecCapability{
MimeType: MimeTypeH264.String(),
MimeType: mime.MimeTypeH264.String(),
ClockRate: 90000,
SDPFmtpLine: "level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42e01f",
},
Expand All @@ -113,7 +114,7 @@ var (
H264HighProfileFmtp = "level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=640032"
H264HighProfileCodecParameters = webrtc.RTPCodecParameters{
RTPCodecCapability: webrtc.RTPCodecCapability{
MimeType: MimeTypeH264.String(),
MimeType: mime.MimeTypeH264.String(),
ClockRate: 90000,
SDPFmtpLine: H264HighProfileFmtp,
},
Expand All @@ -122,15 +123,15 @@ var (

AV1CodecParameters = webrtc.RTPCodecParameters{
RTPCodecCapability: webrtc.RTPCodecCapability{
MimeType: MimeTypeAV1.String(),
MimeType: mime.MimeTypeAV1.String(),
ClockRate: 90000,
},
PayloadType: 35,
}

H265CodecParameters = webrtc.RTPCodecParameters{
RTPCodecCapability: webrtc.RTPCodecCapability{
MimeType: MimeTypeH265.String(),
MimeType: mime.MimeTypeH265.String(),
ClockRate: 90000,
},
PayloadType: 116,
Expand Down Expand Up @@ -176,36 +177,36 @@ func ToWebrtcCodecParameters(codec *livekit.Codec) webrtc.RTPCodecParameters {
fmtp := codec.GetFmtpLine()
var params webrtc.RTPCodecParameters

switch NormalizeMimeType(codec.GetMime()) {
case MimeTypeOpus:
switch mime.NormalizeMimeType(codec.GetMime()) {
case mime.MimeTypeOpus:
params = OpusCodecParameters
case MimeTypeRED:
case mime.MimeTypeRED:
params = RedCodecParameters
case MimeTypePCMU:
case mime.MimeTypePCMU:
params = PCMUCodecParameters
case MimeTypePCMA:
case mime.MimeTypePCMA:
params = PCMACodecParameters
case MimeTypeRTX:
case mime.MimeTypeRTX:
params = VideoRTXCodecParameters
case MimeTypeVP8:
case mime.MimeTypeVP8:
params = VP8CodecParameters
case MimeTypeVP9:
case mime.MimeTypeVP9:
if strings.Contains(fmtp, "profile-id=1") {
params = VP9ProfileId1CodecParameters
} else {
params = VP9ProfileId0CodecParameters
}
case MimeTypeAV1:
case mime.MimeTypeAV1:
params = AV1CodecParameters
case MimeTypeH264:
case mime.MimeTypeH264:
if strings.Contains(fmtp, "profile-level-id=640032") {
params = H264HighProfileCodecParameters
} else if strings.Contains(fmtp, "packetization-mode=0") {
params = H264ProfileLevelId42e01fPacketizationMode0CodecParameters
} else {
params = H264ProfileLevelId42e01fPacketizationMode1CodecParameters
}
case MimeTypeH265:
case mime.MimeTypeH265:
params = H265CodecParameters
default:
return webrtc.RTPCodecParameters{}
Expand Down
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