[FFmpeg-devel] [PATCH] avformat/riffdec: remove invalid sample rate check

Michael Niedermayer michael at niedermayer.cc
Sat Jan 25 03:19:52 EET 2025


Hi

On Tue, Jan 21, 2025 at 05:30:05PM +0530, Viraaj Raulgaonkar wrote:
> Sample rates up to 2^31 - 1 are considered valid, while greater values
> are invalid.  Removing the check potentially allows the sample rate
> to be decoded in all cases instead of halting demux for values
> greater than 2^31 - 1.
> 
> Fixes Trac ticket #11361.
> ---
>  libavformat/riffdec.c | 5 -----
>  1 file changed, 5 deletions(-)
> 
> diff --git a/libavformat/riffdec.c b/libavformat/riffdec.c
> index b7a85a6ab2..94dccb324e 100644
> --- a/libavformat/riffdec.c
> +++ b/libavformat/riffdec.c
> @@ -179,11 +179,6 @@ int ff_get_wav_header(void *logctx, AVIOContext *pb,
>  
>      par->bit_rate = bitrate;
>  
> -    if (par->sample_rate <= 0) {
> -        av_log(logctx, AV_LOG_ERROR,
> -               "Invalid sample rate: %d\n", par->sample_rate);
> -        return AVERROR_INVALIDDATA;
> -    }

the API does not really allow negative sample rates

thx

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

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