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39 lines
913 B
Go
39 lines
913 B
Go
package flac
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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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)
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var images []*decode.Format
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func init() {
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registry.MustRegister(&decode.Format{
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Name: format.FLAC_PICTURE,
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Description: "FLAC metadatablock picture",
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DecodeFn: pictureDecode,
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Dependencies: []decode.Dependency{
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{Names: []string{format.IMAGE}, Formats: &images},
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},
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})
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}
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func pictureDecode(d *decode.D, in interface{}) interface{} {
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lenStr := func(name string) string { //nolint:unparam
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l := d.FieldU32(name + "_length")
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return d.FieldUTF8(name, int(l))
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}
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d.FieldU32("picture_type")
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lenStr("mime")
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lenStr("description")
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d.FieldU32("width")
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d.FieldU32("height")
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d.FieldU32("color_depth")
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d.FieldU32("number_of_index_colors")
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pictureLen := d.FieldU32("picture_length")
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d.FieldFormatLen("picture_data", int64(pictureLen)*8, images)
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return nil
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}
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