On Sun, Dec 8, 2024 at 9:23 PM Jan Ekström <jee...@gmail.com> wrote: > > On Sun, Dec 1, 2024 at 4:21 PM Leo Izen <leo.i...@gmail.com> wrote: > > > > The PNGv3 Specification Draft [1] has changed the capitalization > > of mDCV and cLLI chunks (formerly mDCv and cLLi). This patch updates > > FFmpeg to work with the new chunk names while retaining decode-side > > compatibility with files created using the old names. > > > > [1]: https://w3c.github.io/png/ > > > > Code-wise LGTM. I'd like the semantic change to be mentioned in the > commit message, so if you can add that when applying I'd be much > obliged. > > BTW, I noticed that locally more bytes changed on > tests/data/fate/png-mdcv.image2pipe than I would have expected when > visualizing with vbindiff (not just the identifiers but some bytes > following them, specifically the four bytes starting on the 9th byte > after "cLLI" and from the 25th byte after "mDCV"). Is this also > something you see or is this just my Fedora giving me grievances > again? >
Alright, according to responses on IRC it seems like these were block checksums, so those additional differences are OK. TIL we wrote such. Jan _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".