owncast/core/rtmp/utils.go

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package rtmp
import (
"encoding/json"
"errors"
"fmt"
"regexp"
"github.com/gabek/owncast/models"
"github.com/nareix/joy5/format/flv/flvio"
)
func getInboundDetailsFromMetadata(metadata []interface{}) (models.RTMPStreamMetadata, error) {
metadataComponentsString := fmt.Sprintf("%+v", metadata)
re := regexp.MustCompile(`\{(.*?)\}`)
submatchall := re.FindAllString(metadataComponentsString, 1)
if len(submatchall) == 0 {
return models.RTMPStreamMetadata{}, errors.New("unable to parse inbound metadata")
}
metadataJSONString := submatchall[0]
var details models.RTMPStreamMetadata
json.Unmarshal([]byte(metadataJSONString), &details)
return details, nil
}
func getAudioCodec(codec interface{}) string {
var codecID float64
if assertedCodecID, ok := codec.(float64); ok {
codecID = assertedCodecID
} else {
return codec.(string)
}
switch codecID {
case flvio.SOUND_MP3:
return "MP3"
case flvio.SOUND_AAC:
return "AAC"
case flvio.SOUND_SPEEX:
return "Speex"
}
return "Unknown"
}
func getVideoCodec(codec interface{}) string {
var codecID float64
if assertedCodecID, ok := codec.(float64); ok {
codecID = assertedCodecID
} else {
return codec.(string)
}
switch codecID {
case flvio.VIDEO_H264:
return "H.264"
case flvio.VIDEO_H265:
return "H.265"
}
return "Unknown"
}