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65 lines
1.4 KiB
Go
65 lines
1.4 KiB
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/pkg/decode"
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"github.com/wader/fq/pkg/interp"
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"github.com/wader/fq/pkg/scalar"
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)
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var imageGroup decode.Group
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var pictureTypeNames = scalar.UintMapSymStr{
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0: "Other",
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1: "32x32_pixels",
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2: "other_file_icon",
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3: "cover_front",
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4: "cover_back",
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5: "leaflet_page",
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6: "media",
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7: "lead_artist",
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8: "artist",
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9: "conductor",
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10: "band",
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11: "composer",
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12: "lyricist",
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13: "recording_location",
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14: "during_recording",
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15: "during_performance",
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16: "movie",
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17: "a_bright_colored_fish",
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18: "illustration",
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19: "artist_logotype",
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20: "publisher_logotype",
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}
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func init() {
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interp.RegisterFormat(
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format.FLAC_Picture,
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&decode.Format{
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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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{Groups: []*decode.Group{format.Image}, Out: &imageGroup},
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},
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})
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}
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func pictureDecode(d *decode.D) any {
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lenStr := func(name string) {
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l := d.FieldU32(name + "_length")
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d.FieldUTF8(name, int(l))
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}
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d.FieldU32("picture_type", pictureTypeNames)
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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.FieldFormatOrRawLen("picture_data", int64(pictureLen)*8, &imageGroup, nil)
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return nil
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}
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