Le ven. 13 déc. 2024 à 18:07, Kieran Kunhya via ffmpeg-devel <ffmpeg-devel@ffmpeg.org> a écrit : > > On Fri, 13 Dec 2024, 16:38 Romain Beauxis, <romain.beau...@gmail.com> wrote: > > > Le ven. 13 déc. 2024 à 16:42, Romain Beauxis > > <romain.beau...@gmail.com> a écrit : > > > > > > This patch adds parameters to pick specific ports for the two FEC error- > > > correction streams associated with a Pro-MPEG CoP #3-R2 FEC streams. > > > > > > Radio France is currently interested in using this technology to do > > > error-correction on some of their stream. In this context, they may not > > > have full control over their available UDP ports and would like to be > > able to > > > pick any two ports for these streams. > > > > > > The specifications for this protocol is available online: > > https://www.yumpu.com/en/document/read/8808550/pro-mpeg-code-of-practice-3-release-2-pro-mpeg-forum > > > > > > In section 5.2, page 14, port assignments for the FEC streams are under > > > "shall" thus the changes in this patch should still be valid w.r.t. the > > > specs. > > > > A bit surprised, as I re-read the specs now, to learn that "shall" is > > to be interpreted as a mandatory requirement while, usually, "must" is > > used. My understanding of the English language has failed me once > > more! > > > > Still, I believe that this patch should be useful (shall, if > > considering the use-case I came from!). > > > > > What FEC receivers allow custom port selection? All the ones I've seen > expect +2 and +4. If they are internally mapping to +2 and +4, I am not > sure it's a good idea that FFmpeg features are added to work around > someone's firewall limitation.
I am not aware of any. I can see your point. > Kieran > _______________________________________________ > 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". _______________________________________________ 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".
