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73 lines
2.5 KiB
Go
73 lines
2.5 KiB
Go
4 years ago
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package qmc
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var oggPublicHeader1 = []byte{
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0x4f, 0x67, 0x67, 0x53, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff,
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0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x01, 0x1e, 0x01, 0x76, 0x6f, 0x72,
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0x62, 0x69, 0x73, 0x00, 0x00, 0x00, 0x00, 0x02, 0x44, 0xac, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0xee, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0xb8, 0x01, 0x4f, 0x67, 0x67, 0x53, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00,
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0xff, 0xff, 0xff, 0xff}
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var oggPublicHeader2 = []byte{
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0x03, 0x76, 0x6f, 0x72, 0x62, 0x69, 0x73, 0x2c, 0x00, 0x00, 0x00, 0x58, 0x69, 0x70, 0x68, 0x2e,
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0x4f, 0x72, 0x67, 0x20, 0x6c, 0x69, 0x62, 0x56, 0x6f, 0x72, 0x62, 0x69, 0x73, 0x20, 0x49, 0x20,
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0x32, 0x30, 0x31, 0x35, 0x30, 0x31, 0x30, 0x35, 0x20, 0x28, 0xe2, 0x9b, 0x84, 0xe2, 0x9b, 0x84,
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0xe2, 0x9b, 0x84, 0xe2, 0x9b, 0x84, 0x29, 0xff, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x54,
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0x49, 0x54, 0x4c, 0x45, 0x3d}
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var oggPublicConfidence1 = []uint{
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9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0, 0,
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0, 0, 9, 9, 9, 9, 0, 0, 0, 0, 9, 9, 9, 9, 9, 9,
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9, 9, 9, 9, 9, 9, 9, 6, 3, 3, 3, 3, 6, 6, 6, 6,
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3, 3, 3, 3, 6, 6, 6, 6, 6, 9, 9, 9, 9, 9, 9, 9,
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9, 9, 9, 9, 9, 9, 9, 9, 0, 0, 0, 0, 9, 9, 9, 9,
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0, 0, 0, 0}
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var oggPublicConfidence2 = []uint{
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3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
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3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
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3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
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3, 3, 3, 3, 3, 3, 3, 0, 1, 3, 3, 0, 1, 3, 3, 3,
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3, 3, 3, 3, 3}
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var (
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defaultKey256Mask44 = []byte{
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0xde, 0x51, 0xfa, 0xc3, 0x4a, 0xd6, 0xca, 0x90,
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0x7e, 0x67, 0x5e, 0xf7, 0xd5, 0x52, 0x84, 0xd8,
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0x47, 0x95, 0xbb, 0xa1, 0xaa, 0xc6, 0x66, 0x23,
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0x92, 0x62, 0xf3, 0x74, 0xa1, 0x9f, 0xf4, 0xa0,
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0x1d, 0x3f, 0x5b, 0xf0, 0x13, 0x0e, 0x09, 0x3d,
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0xf9, 0xbc, 0x00, 0x11}
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headerFlac = []byte{'f', 'L', 'a', 'C'}
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headerOgg = []byte{'O', 'g', 'g', 'S'}
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)
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var key256MappingAll [][]int //[idx256][idx128]idx44
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var key256Mapping128to44 map[int]int
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func init() {
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{ // init all mapping
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key256MappingAll = make([][]int, 256)
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for i := 0; i < 128; i++ {
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realIdx := (i*i + 27) % 256
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if key256MappingAll[realIdx] == nil {
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key256MappingAll[realIdx] = []int{i}
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} else {
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key256MappingAll[realIdx] = append(key256MappingAll[realIdx], i)
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}
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}
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}
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{ // init
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key256Mapping128to44 = make(map[int]int, 128)
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idx44 := 0
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for _, all128 := range key256MappingAll {
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if all128 != nil {
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for _, _i128 := range all128 {
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key256Mapping128to44[_i128] = idx44
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}
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idx44++
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}
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}
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}
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}
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