[FFmpeg-devel] Re: [PATCH 0/3] tests: improve FATE coverage for film_grain_params, CNG, aderivative/aintegral

[hassan hany via ffmpeg-devel <ffmpeg-devel@ffmpeg.org>]

you probably want to make a pr over at https://code.ffmpeg.org

On Fri, Feb 20, 2026 at 8:41 PM marcos ashton via ffmpeg-devel <
ffmpeg-devel@ffmpeg.org> wrote:

> Hi, this is my qualification task for the GSoC 2026
> "Improving FATE Test Coverage" project.
>
> This series adds 7 new FATE tests for three previously untested files:
>
> 1/3: Unit test for libavutil/film_grain_params.c (~98% coverage)
> 2/3: Encode/decode roundtrip for libavcodec/cngdec.c (~92% coverage)
> 3/3: Filter tests for libavfilter/af_aderivative.c (~87% coverage)
>
> marcos ashton (3):
>   tests/fate/libavutil: add FATE test for film_grain_params
>   tests/fate/voice: add FATE test for CNG encoder roundtrip
>   tests/fate/filter-audio: add FATE tests for aderivative and aintegral
>
>  libavutil/Makefile                     |   1 +
>  libavutil/tests/film_grain_params.c    | 240 +++++++++++++++++++++++++
>  tests/fate/filter-audio.mak            |  25 +++
>  tests/fate/libavutil.mak               |   4 +
>  tests/fate/voice.mak                   |   8 +
>  tests/ref/fate/cng-encode              |  84 +++++++++
>  tests/ref/fate/film_grain_params       |  30 ++++
>  tests/ref/fate/filter-aderivative      |  70 ++++++++
>  tests/ref/fate/filter-aderivative-fltp |  70 ++++++++
>  tests/ref/fate/filter-aderivative-s32p |  70 ++++++++
>  tests/ref/fate/filter-aintegral        |  70 ++++++++
>  tests/ref/fate/filter-aintegral-dblp   |  70 ++++++++
>  12 files changed, 742 insertions(+)
>  create mode 100644 libavutil/tests/film_grain_params.c
>  create mode 100644 tests/ref/fate/cng-encode
>  create mode 100644 tests/ref/fate/film_grain_params
>  create mode 100644 tests/ref/fate/filter-aderivative
>  create mode 100644 tests/ref/fate/filter-aderivative-fltp
>  create mode 100644 tests/ref/fate/filter-aderivative-s32p
>  create mode 100644 tests/ref/fate/filter-aintegral
>  create mode 100644 tests/ref/fate/filter-aintegral-dblp
>
> --
> 2.53.0
>
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