[FFmpeg-devel] [Internet][PATCH] fftools/ffmpeg_filter: configure min_hard_comp unconditionally

"zhilizhao(赵志立)" quinkblack at foxmail.com
Thu Sep 22 14:50:18 EEST 2022


> On Sep 17, 2022, at 12:30, Zhao Zhili <quinkblack at foxmail.com> wrote:
> 
> From: Zhao Zhili <zhilizhao at tencent.com>
> 
> There are two issues here. Firstly, the floating-point comparison
> is always true. Seconly, the code depends on the default value of
> min_hard_comp implicitly, which can be dangerous.
> 
> Partially fixes ticket 9859.
> ---
> fftools/ffmpeg_filter.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/fftools/ffmpeg_filter.c b/fftools/ffmpeg_filter.c
> index 7a5308425d..17928cea2c 100644
> --- a/fftools/ffmpeg_filter.c
> +++ b/fftools/ffmpeg_filter.c
> @@ -896,8 +896,7 @@ static int configure_input_audio_filter(FilterGraph *fg, InputFilter *ifilter,
>         char args[256] = {0};
> 
>         av_strlcatf(args, sizeof(args), "async=%d", audio_sync_method);
> -        if (audio_drift_threshold != 0.1)
> -            av_strlcatf(args, sizeof(args), ":min_hard_comp=%f", audio_drift_threshold);
> +        av_strlcatf(args, sizeof(args), ":min_hard_comp=%f", audio_drift_threshold);
>         if (!fg->reconfiguration)
>             av_strlcatf(args, sizeof(args), ":first_pts=0");
>         AUTO_INSERT_FILTER_INPUT("-async", "aresample", args);
> -- 

Ping.



More information about the ffmpeg-devel mailing list