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webrtcsink: Don't reject caps events if the codec_data changes

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We only care if actually incompatible changes are happening, which would
be reflected by other caps fields.

Use the same codec caps cleanup function as elsewhere for this purpose.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/merge_requests/2315>
This commit is contained in:
Sebastian Dröge 2025-06-23 11:51:25 +03:00 committed by GStreamer Marge Bot
parent 88dbe2dc4e
commit 7cd277e56b
1 changed files with 10 additions and 8 deletions
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18
net/webrtc/src/webrtcsink/imp.rs
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@ -4184,10 +4184,15 @@ impl BaseWebRTCSink {
/// Check if the caps of a sink pad can be changed from `current` to `new` without requiring a WebRTC renegotiation
fn input_caps_change_allowed(&self, current: &gst::CapsRef, new: &gst::CapsRef) -> bool {
let Some(current) = current.structure(0) else {
let mut current = cleanup_codec_caps(current.to_owned());
let current = current.get_mut().unwrap();
let mut new = cleanup_codec_caps(new.to_owned());
let new = new.get_mut().unwrap();
let Some(current) = current.structure_mut(0) else {
return false;
};
let Some(new) = new.structure(0) else {
let Some(new) = new.structure_mut(0) else {
return false;
};
@ -4195,9 +4200,6 @@ impl BaseWebRTCSink {
return false;
}
let mut current = current.to_owned();
let mut new = new.to_owned();
// Allow changes of fields which should not be part of the SDP, and so can be updated without requiring
// a renegotiation.
let caps_type = current.name();
@ -4215,7 +4217,7 @@ impl BaseWebRTCSink {
new.remove_fields(VIDEO_ALLOWED_CHANGES.iter().copied());
// Multiview can be part of SDP, but missing field should be treated the same as mono view.
fn remove_multiview(s: &mut gst::Structure) {
fn remove_multiview(s: &mut gst::StructureRef) {
let is_mono = match s.get::<VideoMultiviewMode>("multiview-mode") {
Ok(mode) => mode == VideoMultiviewMode::Mono,
Err(_) => true,
@ -4224,8 +4226,8 @@ impl BaseWebRTCSink {
s.remove_fields(["multiview-mode", "multiview-flags"])
}
}
remove_multiview(&mut current);
remove_multiview(&mut new);
remove_multiview(current);
remove_multiview(new);
} else if caps_type.starts_with("audio/") {
// TODO
}