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fq/format/mpeg/mpeg_ts.go
Mattias Wadman 2fc0a71a47 decode: Refactor scalar usage
Move scalar into own package.
Split scalar code into decode related scalar code (that reads etc) and
scalar code that just transform the scalar value.
Use a scalar.Mapper interface instead of just a function.
Make mappers, assert and validat impement the interface.
2021-12-02 17:39:26 +01:00

34 lines
813 B
Go

package mpeg
import (
"github.com/wader/fq/format"
"github.com/wader/fq/format/registry"
"github.com/wader/fq/pkg/decode"
"github.com/wader/fq/pkg/scalar"
)
func init() {
registry.MustRegister(decode.Format{
Name: format.MPEG_TS,
ProbeOrder: 10, // make sure to be after gif, both start with 0x47
Description: "MPEG Transport Stream",
Groups: []string{format.PROBE},
DecodeFn: tsDecode,
})
}
// TODO: ts_packet
func tsDecode(d *decode.D, in interface{}) interface{} {
d.FieldU8("sync", d.AssertU(0x47), scalar.Hex)
d.FieldBool("transport_error_indicator")
d.FieldBool("payload_unit_start")
d.FieldBool("transport_priority")
d.FieldU13("pid")
d.FieldU2("transport_scrambling_control")
d.FieldU2("adaptation_field_control")
d.FieldU4("continuity_counter")
return nil
}