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Adds AVIF support

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* This adds a new type AVIF to the supported type list if libvips >= 8.9.0
 * Calls libheif through libvips with the AV1 compression set to save AVIF images.
This commit is contained in:
Lars Fronius 2020-10-10 10:59:35 +02:00
parent 4f683f98d8
commit 83c14048e0
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GPG key ID: 9799DF92255C2D0C
9 changed files with 86 additions and 9 deletions
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12
vips.go
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@ -190,6 +190,9 @@ func VipsIsTypeSupported(t ImageType) bool {
if t == HEIF {
return int(C.vips_type_find_bridge(C.HEIF)) != 0
}
if t == AVIF {
return int(C.vips_type_find_bridge(C.HEIF)) != 0
}
return false
}
@ -212,6 +215,9 @@ func VipsIsTypeSupportedSave(t ImageType) bool {
if t == HEIF {
return int(C.vips_type_find_save_bridge(C.HEIF)) != 0
}
if t == AVIF {
return int(C.vips_type_find_save_bridge(C.HEIF)) != 0
}
return false
}
@ -501,6 +507,8 @@ func vipsSave(image *C.VipsImage, o vipsSaveOptions) ([]byte, error) {
saveErr = C.vips_tiffsave_bridge(tmpImage, &ptr, &length)
case HEIF:
saveErr = C.vips_heifsave_bridge(tmpImage, &ptr, &length, strip, quality, lossless)
case AVIF:
saveErr = C.vips_avifsave_bridge(tmpImage, &ptr, &length, strip, quality, lossless)
default:
saveErr = C.vips_jpegsave_bridge(tmpImage, &ptr, &length, strip, quality, interlace)
}
@ -735,6 +743,10 @@ func vipsImageType(buf []byte) ImageType {
// This is a HEIFS file, ftyphevc
return HEIF
}
if IsTypeSupported(HEIF) && buf[4] == 0x66 && buf[5] == 0x74 && buf[6] == 0x79 && buf[7] == 0x70 &&
buf[8] == 0x61 && buf[9] == 0x76 && buf[10] == 0x69 && buf[11] == 0x66 {
return AVIF
}
return UNKNOWN
}