Hi Hank On Sat, Mar 28, 2026 at 09:01:25AM -0700, Hank Li via ffmpeg-devel wrote: > Hello, > > I'm a bit late to the party, but I'm interested in proposing a GSoC > project on VVC x86 SIMD optimization. This was on the 2025 ideas list > but there are currently no SIMD overrides for itx or intra_pred in > avcodec/x86/vvc/dsp_init.c, only ALF and inter prediction have x86 > assembly. > > I would like to propose implementing: > -AVX2 inverse transforms for DCT-II, DST-VII, and DCT-VIII > -Intra prediction for DC, planar, and angular modes > -Corresponding checkasm tests and benchmarks > > For qualification, I'm currently working on a checkasm test for VVC > inverse transforms (tests/checkasm/vvc_itx.c). > > I've emailed Nuo Mi about mentoring since he mentored the VVC SIMD > projects in 2023 and 2024. If anyone else is interested in mentoring > or has thoughts, I'd appreciate it.
If you can find a mentor and backup mentor and can pass a qualification task,
sure its a good idea.
The most important ATM is: submit a project proposal to google before
googles deadline.
Finding a mentor and doing a qualification task can be finished after
the project submission deadline, of course it must be finished
all WELL before the deadline we have to select projects/contributors
The 2 relevant deadlines are:
March 31 - 18:00 UTC
GSoC contributor application deadline
April 21 - 18:00 UTC
GSoC contributor proposal rankings due from Org Admins
now keep im mind if you finish your qualification task on the 21th
april your chances are very low to be accepted (but they are not 0)
Also keep in mind to be selected ALL of teh following must be true
1. you must submit a contributor application to google before the 31 march
deadline
2. you need to have a mentor and backup mentor
3. you need to pass qualification
4. google needs to give us enough slots
thx
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
The greatest way to live with honor in this world is to be what we pretend
to be. -- Socrates
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