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Add new HEIC magic numbers for 10 bit images #490

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Add new HEIC magic numbers for 10 bit images #490

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6 changes: 6 additions & 0 deletions vips/foreign.go
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Original file line number Diff line number Diff line change
Expand Up @@ -227,12 +227,18 @@ func isWEBP(buf []byte) bool {
// https://github.com/strukturag/libheif/blob/master/libheif/heif.cc
var ftyp = []byte("ftyp")
var heic = []byte("heic")
var heix = []byte("heix")
var heim = []byte("heim")
var heis = []byte("heis")
var mif1 = []byte("mif1")
var msf1 = []byte("msf1")
var avif = []byte("avif")

func isHEIF(buf []byte) bool {
return bytes.Equal(buf[4:8], ftyp) && (bytes.Equal(buf[8:12], heic) ||
bytes.Equal(buf[8:12], heix) ||
bytes.Equal(buf[8:12], heim) ||
bytes.Equal(buf[8:12], heis) ||
bytes.Equal(buf[8:12], mif1) ||
bytes.Equal(buf[8:12], msf1)) ||
isAVIF(buf)
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