Re: [darktable-devel] XMP JPEG segment is larger than 65535 bytes

2013-09-28 Thread Ulrich Pegelow
Short feedback on that topic. The JPEG specs seem to require all XMP tags to fit into one single 64k segment. Splitting it up would violate that standard and potentially make the file incompatible. One learning is that for JPEG outputs we can not guarantee to include an arbitrarily sized XMP bl

Re: [darktable-devel] Black squares in output

2013-09-28 Thread Ulrich Pegelow
Hi Matthias, so your system is not using OpenCL but runs on CPU and does a lot of tiling. As you wrote earlier you are running on a 64bit system with 4GB. Normally this should not require darktable to do any tiling with the given file size. Two possibilities: a) although on a 64-bit system yo

Re: [darktable-devel] Black squares in output

2013-09-28 Thread Matthias Moebius
Ok,   in preferences I can't switch off opencl, the checkbox ist checked but grayed out.   with -d opencl I get the following:   [opencl_init] opencl related configuration options: [opencl_init] [opencl_init] opencl: 1 [opencl_init] opencl_library: '' [opencl_init] opencl_memory_requirement: