[FFmpeg-devel] [PATCH v2] avcodec/libjxl: add JPEG XL decoding via libjxl

[Michael Niedermayer]

On Wed, Oct 20, 2021 at 01:33:57PM -0400, Leo Izen wrote:
[...]
> --- a/libavformat/img2dec.c
> +++ b/libavformat/img2dec.c
> @@ -830,6 +830,16 @@ static int jpegls_probe(const AVProbeData *p)
>      return 0;
>  }
>  
> +static int jpegxl_probe(const AVProbeData *p)
> +{
> +    const uint8_t *b = p->buf;
> +
> +    if (AV_RB16(b) == 0xff0a ||
> +        AV_RB64(b) == 0x0000000c4a584c20)
> +        return AVPROBE_SCORE_EXTENSION + 1;
> +    return 0;
> +}

only 16bit for detection is a bit weak

thx

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Rewriting code that is poorly written but fully understood is good.
Rewriting code that one doesnt understand is a sign that one is less smart
than the original author, trying to rewrite it will not make it better.
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