---
libavfilter/vf_vpp_qsv.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/libavfilter/vf_vpp_qsv.c b/libavfilter/vf_vpp_qsv.c
index 29ba220665..cde1acdbb0 100644
--- a/libavfilter/vf_vpp_qsv.c
+++ b/libavfilter/vf_vpp_qsv.c
@@ -255,10 +255,16 @@ static int config_input(AVFilterLink *inlink)
int ret;
int64_t ow, oh;
- if (vpp->framerate.den == 0 || vpp->framerate.num == 0)
+ /* Ignore user's setting for framerate when deinterlacing is used */
+ if (vpp->deinterlace) {
+ av_log(ctx, AV_LOG_WARNING, "Ignore user setting of output framerate "
+ "when bob / advanced deinterlace is used.\n");
+ vpp->framerate = av_mul_q(inlink->frame_rate,
+ (AVRational){ 2, 1 });
+ } else if (vpp->framerate.den == 0 || vpp->framerate.num == 0)
vpp->framerate = inlink->frame_rate;
- if (av_cmp_q(vpp->framerate, inlink->frame_rate))
+ if (!vpp->deinterlace && av_cmp_q(vpp->framerate, inlink->frame_rate))
vpp->use_frc = 1;
ret = eval_expr(ctx);
--
2.25.1
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