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2fc0a71a47
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.
34 lines
813 B
Go
34 lines
813 B
Go
package mpeg
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import (
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"github.com/wader/fq/format"
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"github.com/wader/fq/format/registry"
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"github.com/wader/fq/pkg/decode"
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"github.com/wader/fq/pkg/scalar"
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)
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func init() {
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registry.MustRegister(decode.Format{
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Name: format.MPEG_TS,
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ProbeOrder: 10, // make sure to be after gif, both start with 0x47
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Description: "MPEG Transport Stream",
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Groups: []string{format.PROBE},
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DecodeFn: tsDecode,
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})
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}
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// TODO: ts_packet
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func tsDecode(d *decode.D, in interface{}) interface{} {
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d.FieldU8("sync", d.AssertU(0x47), scalar.Hex)
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d.FieldBool("transport_error_indicator")
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d.FieldBool("payload_unit_start")
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d.FieldBool("transport_priority")
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d.FieldU13("pid")
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d.FieldU2("transport_scrambling_control")
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d.FieldU2("adaptation_field_control")
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d.FieldU4("continuity_counter")
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return nil
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}
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