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codec.go
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codec.go
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// Copyright 2023 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/livekit/protocol/livekit"
"github.com/livekit/protocol/logger"
"github.com/pion/webrtc/v3"
)
func GetMimeTypeForVideoCodec(codec livekit.VideoCodec) string {
switch codec {
case livekit.VideoCodec_H264_BASELINE,
livekit.VideoCodec_H264_MAIN,
livekit.VideoCodec_H264_HIGH:
return webrtc.MimeTypeH264
case livekit.VideoCodec_VP8:
return webrtc.MimeTypeVP8
default:
logger.Errorw("GetMimeTypeForVideoCodec unimplemented", nil, "codec", codec.String())
return ""
}
}
func GetMimeTypeForAudioCodec(codec livekit.AudioCodec) string {
// AAC is not supported in webrtc
switch codec {
case livekit.AudioCodec_OPUS:
return webrtc.MimeTypeOpus
default:
logger.Errorw("GetMimeTypeForAudioCodec unimplemented", nil, "codec", codec.String())
return ""
}
}