From f545e1886a02c96890cb1f7a7b02c4b28dc5a5d0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?St=C3=A9phane=20Cerveau?= <scerveau@igalia.com>
Date: Tue, 26 Nov 2024 10:51:14 +0100
Subject: [PATCH] PadInfo: add caps_compatible

Returns true if 2 caps described by a string can
intersect.
---
 src/gps/pad.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/gps/pad.rs b/src/gps/pad.rs
index d9fc1d1..5338fe0 100644
--- a/src/gps/pad.rs
+++ b/src/gps/pad.rs
@@ -12,6 +12,7 @@ use crate::gps::ElementInfo;
 use crate::graphmanager::{PortDirection, PortPresence};
 
 use gst::prelude::*;
+use std::str::FromStr;
 
 #[derive(Debug, PartialOrd, PartialEq, Eq)]
 pub struct PadInfo {
@@ -50,6 +51,12 @@ impl PadInfo {
         self.caps.as_ref().unwrap()
     }
 
+    pub fn caps_compatible(caps1: &str, caps2: &str) -> bool {
+        let caps1 = gst::Caps::from_str(caps1).unwrap();
+        let caps2 = gst::Caps::from_str(caps2).unwrap();
+        caps1.can_intersect(&caps2)
+    }
+
     pub fn pads(element_name: &str, include_on_request: bool) -> (Vec<PadInfo>, Vec<PadInfo>) {
         let mut input = vec![];
         let mut output = vec![];