On 2025-02-02 11:27 pm, Gyan Doshi wrote:
The ref input may have its frame rate unset, which would then lead to
SIGFPE. So fall back to the main link frame rate. If that too is unset,
default to 0.
Related to #11428
Plan to push tomorrow.
Regards,
Gyan
---
libavfilter/vf_xpsnr.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/libavfilter/vf_xpsnr.c b/libavfilter/vf_xpsnr.c
index 1b2c2a7c2c..3097db0878 100644
--- a/libavfilter/vf_xpsnr.c
+++ b/libavfilter/vf_xpsnr.c
@@ -552,6 +552,7 @@ static int config_input_ref(AVFilterLink *inlink)
AVFilterContext *ctx = inlink->dst;
XPSNRContext *const s = ctx->priv;
FilterLink *il = ff_filter_link(inlink);
+ FilterLink *ml = ff_filter_link(ctx->inputs[0]);
if ((ctx->inputs[0]->w != ctx->inputs[1]->w) ||
(ctx->inputs[0]->h != ctx->inputs[1]->h)) {
@@ -568,7 +569,9 @@ static int config_input_ref(AVFilterLink *inlink)
s->max_error_64 = (1 << s->depth) - 1; /* conventional limit */
s->max_error_64 *= s->max_error_64;
- s->frame_rate = il->frame_rate.num / il->frame_rate.den;
+ // Avoid division by zero
+ s->frame_rate = il->frame_rate.den ? (il->frame_rate.num /
il->frame_rate.den) :
+ ml->frame_rate.den ? (ml->frame_rate.num /
ml->frame_rate.den) : 0;
s->num_comps = (desc->nb_components > 3 ? 3 : desc->nb_components);
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