fmp4mux: Ignore framerate update

like mp4mux in -good does already

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/merge_requests/1094>

1 files changed, 6 insertions, 1 deletions

diff --git a/mux/fmp4/src/fmp4mux/imp.rs b/mux/fmp4/src/fmp4mux/imp.rs
index ce0ec41f5..08c39d1be 100644
--- a/mux/fmp4/src/fmp4mux/imp.rs
+++ b/mux/fmp4/src/fmp4mux/imp.rs
@@ -2942,10 +2942,15 @@ impl AggregatorImpl for FMP4Mux {
 
         match query.view_mut() {
             QueryViewMut::Caps(q) => {
-                let allowed_caps = aggregator_pad
+                let mut allowed_caps = aggregator_pad
                     .current_caps()
                     .unwrap_or_else(|| aggregator_pad.pad_template_caps());
 
+                // Allow framerate change
+                for s in allowed_caps.make_mut().iter_mut() {
+                    s.remove_field("framerate");
+                }
+
                 if let Some(filter_caps) = q.filter() {
                     let res = filter_caps
                         .intersect_with_mode(&allowed_caps, gst::CapsIntersectMode::First);