From 36e5afeb579ee6242748d909a820232edeafc866 Mon Sep 17 00:00:00 2001
From: Nickiel12 <35903114+Nickiel12@users.noreply.github.com>
Date: Sat, 18 May 2024 15:55:50 -0700
Subject: [PATCH] added videorate limit

---
 src/gstreamer_pipeline.rs | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/src/gstreamer_pipeline.rs b/src/gstreamer_pipeline.rs
index b9dc810..c6f05c2 100644
--- a/src/gstreamer_pipeline.rs
+++ b/src/gstreamer_pipeline.rs
@@ -30,6 +30,9 @@ impl WebcamPipeline {
         let convert = ElementFactory::make("videoconvert")
             .build()
             .expect("Could not build video convert for GStreamer");
+        let rate = ElementFactory::make("videorate")
+            .build()
+            .expect("Could not build the video rate element");
 
         let tee = ElementFactory::make("tee")
             .build()
@@ -51,11 +54,10 @@ impl WebcamPipeline {
             .build()
             .expect("Could not build videoscale for GStreamer");
 
-        let caps_string =
-            String::from("video/x-raw,format=RGB,width=640,height=480,max-buffers=1,drop=true");
+        let caps_string = "video/x-raw,format=RGB,width=640,height=480,max-buffers=1,drop=true";
         // let caps_string = String::from("video/x-raw,format=RGB,max-buffers=1,drop=true");
         let appsrc_caps =
-            gstreamer::Caps::from_str(&caps_string).expect("Couldn't create appsrc caps");
+            gstreamer::Caps::from_str(caps_string).expect("Couldn't create appsrc caps");
 
         /*
         // let sink_frame = ElementFactory::make("appsink")
@@ -82,6 +84,7 @@ impl WebcamPipeline {
             .add_many(&[
                 &source,
                 &convert,
+                &rate,
                 &tee,
                 &queue_app,
                 &sink_paintable,
@@ -94,7 +97,14 @@ impl WebcamPipeline {
         source
             .link(&convert)
             .expect("Could not link video source to converter");
-        convert.link(&tee).expect("Could not link converter to tee");
+        
+        convert.link(&rate)
+            .expect("Could not link rate to tee");
+
+        rate.link_filtered(
+            &tee,
+            &gstreamer::caps::Caps::from_str("video/x-raw,framerate=15/1").expect("Could not build framerate caps"),
+        ).expect("Could not link converter to rate");
 
         let tee_src_1 = tee
             .request_pad_simple("src_%u")