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added videorate limit

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This commit is contained in:
Nickiel12 2024-05-18 15:55:50 -07:00
parent ee0b8d571c
commit 36e5afeb57
1 changed files with 14 additions and 4 deletions
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18
src/gstreamer_pipeline.rs
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@ -30,6 +30,9 @@ impl WebcamPipeline {
let convert = ElementFactory::make("videoconvert") let convert = ElementFactory::make("videoconvert")
.build() .build()
.expect("Could not build video convert for GStreamer"); .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") let tee = ElementFactory::make("tee")
.build() .build()
@ -51,11 +54,10 @@ impl WebcamPipeline {
.build() .build()
.expect("Could not build videoscale for GStreamer"); .expect("Could not build videoscale for GStreamer");
let caps_string = let caps_string = "video/x-raw,format=RGB,width=640,height=480,max-buffers=1,drop=true";
String::from("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 caps_string = String::from("video/x-raw,format=RGB,max-buffers=1,drop=true");
let appsrc_caps = 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") // let sink_frame = ElementFactory::make("appsink")
@ -82,6 +84,7 @@ impl WebcamPipeline {
.add_many(&[ .add_many(&[
&source, &source,
&convert, &convert,
&rate,
&tee, &tee,
&queue_app, &queue_app,
&sink_paintable, &sink_paintable,
@ -94,7 +97,14 @@ impl WebcamPipeline {
source source
.link(&convert) .link(&convert)
.expect("Could not link video source to converter"); .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 let tee_src_1 = tee
.request_pad_simple("src_%u") .request_pad_simple("src_%u")