func ChannelLayouts() []ChannelLayout {
var cls []ChannelLayout
for index := C.unsigned(0); ; index++ {
var cCL C.uint64_t
if C.av_get_standard_channel_layout(index, &cCL, nil) != 0 {
break
}
cls = append(cls, ChannelLayout(cCL))
}
return cls
}
func (cl ChannelLayout) NameOk() (string, bool) {
for index := C.unsigned(0); ; index++ {
var cCL C.uint64_t
var cName *C.char
if C.av_get_standard_channel_layout(index, &cCL, &cName) != 0 {
break
}
if ChannelLayout(cCL) == cl {
return cStringToStringOk(cName)
}
}
return "", false
}