Re: [FFmpeg-devel] [PATCH v2 00/16] avcodec/vvcdec: support subpicture

[Nuo Mi <nuomi2021@gmail.com>]

On Thu, Apr 4, 2024 at 10:09 AM James Almer <jamrial@gmail.com> wrote:

> On 4/3/2024 11:05 PM, Nuo Mi wrote:
> > On Tue, Apr 2, 2024 at 11:24 PM James Almer <jamrial@gmail.com> wrote:
> >
> >> On 4/2/2024 10:01 AM, Nuo Mi wrote:
> >>> On Wed, Mar 27, 2024 at 9:01 PM Nuo Mi <nuomi2021@gmail.com> wrote:
> >>>
> >>>> Changes since v1:
> >>>> add v2-0004-avcodec-vvcdec-fix-uninitialized-last-element-of-.patch to
> >>>> address
> >>>> the clang-usan and clang-asan failures reported by Frank
> >>>
> >>>
> >>> pushed.
> >>
> >> I added a test for this using SUBPIC_C_ERICSSON_1.bit
> >> Also, i disabled the tests for OPI_B_3.bit and VPS_A_3.bit as they rely
> >> on a non-implemented feature. And while they still output a frame or two
> >> as is, it's not the case on all systems.
> >>
> > Thank you.
> >
> >>
> >> There's not a lot of VVC bitstreams currently in the FATE suite, so if
> >> you know of any that will increase the coverage (See for example
> >>
> >>
> http://coverage.ffmpeg.org/index.vvc_intra.c.5d0b519a39871515a1754ee8847b6d69.html#l678
> ,
> >>
> >> where vvc_predict_ibc() is never run), then please make a test for it
> >> and I'll upload the sample.
> >>
> > Sure. Tracked with https://github.com/ffvvc/FFmpeg/issues/206
>
> FWIW i added a test to cover vvc_predict_ibc() and other functions in
> vvc_intra.c, using IBC_B_Tencent_2.bit
>
Thank  you,
We'll establish the gcov environments on GitHub and incorporate additional
clips from the conformance test into FATE
Achieving 100% coverage might be challenging, but we can aim for 95% and
cover all important branches at the very least.

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