On 3/26/25 07:09, softworkz . wrote: > Hi Ronald, > >> -----Original Message----- >> From: ffmpeg-devel <ffmpeg-devel-boun...@ffmpeg.org> On Behalf Of Ronald >> S. Bultje >> Sent: Dienstag, 25. März 2025 19:05 >> To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org> >> Subject: Re: [FFmpeg-devel] [PATCH] avfilter: Proof of Concept: enable >> out-of-tree filters >> >> Hi, >> >> On Mon, Mar 24, 2025 at 12:20 PM Leandro Santiago >> <leandrosansi...@gmail.com> >> wrote: >> >>> I really hope this can be the last iteration, as I ran out of ideas on >> how >>> to simplify the process, so please let me know your thoughts :-) >> >> I'm not sure I understand the rationale or goal of this. It seems you're >> trying to create a process for extending the source/build tree with >> components not part of our git. Is this something people are interested >> in? > Yes. > >> I've never heard this use case before. > > It had been discussed here (tangentially): > > https://ffmpeg.org/pipermail/ffmpeg-devel/2025-January/338807.html > > and here: > > https://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2025-February/340030.html > > > It's kind of an alternative to a run-time plugin-model to which some have > expressed reservations. > Interests are multifold. It makes it easier to maintain custom filters across > branches and versions of the main code, it allows people to create things > which don't have a chance to get into the codebase for various reasons: like > being too specific for general use, being tied to a specific vendor, using > remote APIs that are too volatile, being too experimental or whatever else > can be. > Needless to mention the many AI related use cases. Without providing any kind > of extensibility, other solutions will fill that gap and Ffmpeg relevancy > will drop in the coming years IMO.
That's a great summary, thank you. As a follow up, I've just ported (albeit being still very ugly and with build system workarounds) a filter written in Rust to use this implementation of "external filters", and it seems to be working, although I need to test it more. The code can be found at https://gitlab.com/leandrosansilva/ffmpeg-track-sort-filter . In short, one can build it with: ``` cd ffmpeg mkdir -p ext/libavfilter/ git clone https://gitlab.com/leandrosansilva/ffmpeg-track-sort-filter ext/libavfilter/track-sort ./configure --enable-libopenvino --enable-libharfbuzz --enable-libfreetype --enable-openssl --disable-static --enable-shared make make install ``` And then use the `tracksort` filter as described in the repository (it requires some setup, as it's quite niche, so I won't get into details here). Leandro > > Best, > sw > _______________________________________________ > 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".
