This repository has been archived by the owner on Dec 8, 2024. It is now read-only.
EXT-X-MEDIA audio missing from VariantParams.Alternatives for master playlist decode #160
Comments
|
type ExtXMediaTagValue struct {
Type string
GroupID string
Channels string
Name string
Language string
Default bool
AutoSelect bool
Forced bool
URI string
}
type ExtXMediaTag struct {
Values []*ExtXMediaTagValue
}
func (tag *ExtXMediaTag) TagName() string {
return "#EXT-X-MEDIA:"
}
func (tag *ExtXMediaTag) Decode(line string) (m3u8.CustomTag, error) {
val := &ExtXMediaTagValue{}
for k, v := range m3u8.DecodeAttributeList(line) {
switch k {
case "TYPE":
val.Type = v
case "GROUP-ID":
val.GroupID = v
case "CHANNELS":
val.Channels = v
case "NAME":
val.Name = v
case "LANGUAGE":
val.Language = v
case "DEFAULT":
val.Default = v == "YES"
case "AUTOSELECT":
val.AutoSelect = v == "YES"
case "FORCED":
val.Forced = v == "YES"
case "URI":
val.URI = v
}
}
tag.Values = append(tag.Values, val)
return tag, nil
}
func (tag *ExtXMediaTag) SegmentTag() bool {
return false
}
func (tag *ExtXMediaTag) Encode() *bytes.Buffer {
b := bytes.NewBuffer(nil)
for i, val := range tag.Values {
if i != 0 {
b.WriteByte('\n')
}
b.WriteString(tag.TagName())
writeStringTagAttr(b, "TYPE", val.Type, false)
b.WriteRune(',')
writeStringTagAttr(b, "GROUP-ID", val.GroupID, true)
if val.Type == "AUDIO" {
b.WriteRune(',')
writeStringTagAttr(b, "CHANNELS", val.Channels, true)
}
b.WriteRune(',')
writeStringTagAttr(b, "NAME", val.Name, true)
b.WriteRune(',')
writeStringTagAttr(b, "LANGUAGE", val.Language, true)
b.WriteRune(',')
writeBoolTagAttr(b, "DEFAULT", val.Default)
b.WriteRune(',')
writeBoolTagAttr(b, "AUTOSELECT", val.AutoSelect)
if val.Type == "SUBTITLES" {
b.WriteRune(',')
writeBoolTagAttr(b, "FORCED", val.Forced)
}
b.WriteRune(',')
writeStringTagAttr(b, "URI", val.URI, true)
}
return b
}
func (tag *ExtXMediaTag) String() string {
return tag.Encode().String()
}
func writeStringTagAttr(b *bytes.Buffer, k string, v string, quote bool) {
b.WriteString(k)
b.WriteRune('=')
if quote {
b.WriteRune('"')
}
b.WriteString(v)
if quote {
b.WriteRune('"')
}
}
func writeBoolTagAttr(b *bytes.Buffer, k string, v bool) {
b.WriteString(k)
b.WriteRune('=')
if v {
b.WriteString("YES")
} else {
b.WriteString("NO")
}
} |
Sign up for free
to subscribe to this conversation on GitHub.
Already have an account?
Sign in.
For the master playlist below, the
MasterPlaylistobject (after decoding) is missing the audio stream withGROUP-ID="audio-aacl-128". That is,MasterPlaylist.Variants[9].VariantParams.Alternativesisnil.Also, only the first variant's
Alternativesis populated, which I believe is this ticket: #96. However, I can't work around this by accessing theaudio-aacl-128stream using the first variant, because it specifiesAUDIO="audio-aacl-64".The text was updated successfully, but these errors were encountered: