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package mpeg
import (
"github.com/wader/fq/format"
"github.com/wader/fq/pkg/decode"
"github.com/wader/fq/pkg/interp"
)
var adtsFrameGroup decode.Group
func init() {
interp.RegisterFormat(
format.ADTS,
&decode.Format{
Description: "Audio Data Transport Stream",
Groups: []*decode.Group{format.Probe},
DecodeFn: adtsDecoder,
RootArray: true,
RootName: "frames",
Dependencies: []decode.Dependency{
{Groups: []*decode.Group{format.ADTS_Frame}, Out: &adtsFrameGroup},
},
})
}
func adtsDecoder(d *decode.D) any {
validFrames := 0
for !d.End() {
if dv, _, _ := d.TryFieldFormat("frame", &adtsFrameGroup, nil); dv == nil {
break
}
validFrames++
}
if validFrames == 0 {
d.Fatalf("no valid frames")
}
return nil
}
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