Re: [FFmpeg-devel] [PATCH] avcodec/libjxlenc: support negative linesizes

2024-01-30 Thread Andreas Rheinhardt
Leo Izen: > libjxl doesn't support negative strides, but JPEG XL has an orientation > flag inside the codestream. We can use this to work around the library > limitation, by taking the absolute value of the negative row stride, > sending the image up-side-down, and telling the library that the imag

Re: [FFmpeg-devel] [PATCH] avcodec/libjxlenc: support negative linesizes

2024-01-30 Thread Tomas Härdin
mån 2024-01-29 klockan 19:37 -0500 skrev Leo Izen: > libjxl doesn't support negative strides, but JPEG XL has an > orientation > flag inside the codestream. We can use this to work around the > library > limitation, by taking the absolute value of the negative row stride, > sending the image up-sid