On Di, 2023-08-15 at 16:34 +0800, wenbin.chen-at-intel....@ffmpeg.org wrote:
> From: Wenbin Chen <wenbin.c...@intel.com>
>
> If user doesn't set framerate when he creates a filter, the filter uses
> default framerate {0, 1}. This causes error when setting timebase to
> 1/framerate. Now change it to pass inlink->time_base to outlink when
> framerate is not set.
> This patch fixes ticket: #10476 #10468
>
> Signed-off-by: Wenbin Chen <wenbin.c...@intel.com>
> ---
> libavfilter/vf_vpp_qsv.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/libavfilter/vf_vpp_qsv.c b/libavfilter/vf_vpp_qsv.c
> index 92ef0f1d89..c07b45fedb 100644
> --- a/libavfilter/vf_vpp_qsv.c
> +++ b/libavfilter/vf_vpp_qsv.c
> @@ -536,7 +536,10 @@ static int config_output(AVFilterLink *outlink)
> outlink->w = vpp->out_width;
> outlink->h = vpp->out_height;
> outlink->frame_rate = vpp->framerate;
> - outlink->time_base = av_inv_q(vpp->framerate);
> + if (vpp->framerate.num == 0 || vpp->framerate.den == 0)
> + outlink->time_base = inlink->time_base;
> + else
> + outlink->time_base = av_inv_q(vpp->framerate);
>
> param.filter_frame = NULL;
> param.set_frame_ext_params = vpp_set_frame_ext_params;
LGTM, will apply
Thanks
Haihao
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