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x/image/tiff: no support for cJPEG or cJPEGOld #23115

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golang/image
#7
@gdunstone

Description

@gdunstone

What did you do?

tried to decode a jpeg compressed tiff or a canon raw (weird tiff with jpeg data)

What did you expect to see?

the image to be decoded correctly without errors.

What did you see instead?

with a cr2:
tiff: unsupported feature: compression value 6
with a tiff with proper jpeg compressed image data:
tiff: unsupported feature: compression value 7

System details

go version go1.9.2 linux/amd64
GOARCH="amd64"
GOBIN=""
GOEXE=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOOS="linux"
GOPATH="/home/gareth/go"
GORACE=""
GOROOT="/usr/lib/go"
GOTOOLDIR="/usr/lib/go/pkg/tool/linux_amd64"
GCCGO="gccgo"
CC="gcc"
GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build053335415=/tmp/go-build -gno-record-gcc-switches"
CXX="g++"
CGO_ENABLED="1"
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOROOT/bin/go version: go version go1.9.2 linux/amd64
GOROOT/bin/go tool compile -V: compile version go1.9.2
uname -sr: Linux 4.14.4-1-ARCH
LSB Version:	1.4
Distributor ID:	Arch
Description:	Arch Linux
Release:	rolling
Codename:	n/a
/usr/lib/libc.so.6: GNU C Library (GNU libc) stable release version 2.26, by Roland McGrath et al.
gdb --version: GNU gdb (GDB) 8.0.1

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