On 27/01/16 22:15, Derek Buitenhuis wrote:
> It could accidentally divide by zero if num was zero.
> 
> Signed-off-by: Derek Buitenhuis <[email protected]>
> ---
>  libavcodec/utils.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/libavcodec/utils.c b/libavcodec/utils.c
> index e06ee66..a3cb341 100644
> --- a/libavcodec/utils.c
> +++ b/libavcodec/utils.c
> @@ -1050,7 +1050,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
>          if (!avctx->rc_initial_buffer_occupancy)
>              avctx->rc_initial_buffer_occupancy = avctx->rc_buffer_size * 3 / 
> 4;
>  
> -        if (avctx->ticks_per_frame &&
> +        if (avctx->ticks_per_frame && avctx->time_base.num &&
>              avctx->ticks_per_frame > INT_MAX / avctx->time_base.num) {
>              av_log(avctx, AV_LOG_ERROR,
>                     "ticks_per_frame %d too large for the timebase %d/%d.",
> 

When it is zero? (isn't there a check before to sanitize the time_base ?)

lu
_______________________________________________
libav-devel mailing list
[email protected]
https://lists.libav.org/mailman/listinfo/libav-devel

Reply via email to