mirror of
https://github.com/wader/fq.git
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e9d9f8aef9
Rename s/interface{}/any/g
Preparation for using generics in decode API and native jq funcations etc
Remove some unused linter ignores as linter has been fixed
48 lines
1.1 KiB
Go
48 lines
1.1 KiB
Go
package mp4
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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.PSSH_PLAYREADY,
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Description: "PlayReady PSSH",
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DecodeFn: playreadyPsshDecode,
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})
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}
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const (
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recordTypeRightsManagementHeader = 1
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recordTypeLicenseStore = 2
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)
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var recordTypeNames = scalar.UToSymStr{
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recordTypeRightsManagementHeader: "Rights management header",
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recordTypeLicenseStore: "License store",
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}
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func playreadyPsshDecode(d *decode.D, in any) any {
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d.Endian = decode.LittleEndian
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d.FieldU32("size")
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count := d.FieldU16("count")
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i := uint64(0)
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d.FieldStructArrayLoop("records", "record", func() bool { return i < count }, func(d *decode.D) {
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recordType := d.FieldU16("type", recordTypeNames)
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recordLen := d.FieldU16("len")
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switch recordType {
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case recordTypeRightsManagementHeader, recordTypeLicenseStore:
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d.FieldUTF16LE("xml", int(recordLen))
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default:
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d.FieldRawLen("data", int64(recordLen)*8)
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}
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i++
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})
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return nil
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}
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