On 6/5/2025 11:54 AM, Jack Lau via ffmpeg-devel wrote:
> Signed-off-by: Jack Lau <jacklau1222@qq.com>
> ---
>   libavformat/whip.c | 6 ++++++
>   1 file changed, 6 insertions(+)
> 
> diff --git a/libavformat/whip.c b/libavformat/whip.c
> index 0671e23635..e7cd57400d 100644
> --- a/libavformat/whip.c
> +++ b/libavformat/whip.c
> @@ -1733,6 +1733,12 @@ static av_cold int whip_init(AVFormatContext *s)
>       int ret;
>       WHIPContext *whip = s->priv_data;
>   
> +    if (s->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
> +        av_log(s, AV_LOG_ERROR,
> +            "WHIP: This muxer is experimental, please set -strict experimental in order to enable it\n");
> +        return AVERROR_EXPERIMENTAL;
> +    }
> +
>       if ((ret = initialize(s)) < 0)
>           goto end;

I think the AVFMT_EXPERIMENTAL flag is used for this.