在Gstreamer Rust中将udpsrc链接到rtpbin的方法如下:
use gst::prelude::*;
use gst::ElementFactory;
let pipeline = gst::Pipeline::new(Some("my-pipeline"));
let udpsrc = ElementFactory::make("udpsrc", Some("my-udpsrc")).unwrap();
udpsrc.set_property("port", &5000).unwrap();
let rtpbin = ElementFactory::make("rtpbin", Some("my-rtpbin")).unwrap();
pipeline.add_many(&[&udpsrc, &rtpbin]).unwrap();
udpsrc.link(&rtpbin).unwrap();
pipeline.set_state(gst::State::Playing).unwrap();
完整的代码示例:
use gst::prelude::*;
use gst::ElementFactory;
fn main() {
// Initialize GStreamer
gst::init().unwrap();
// Create pipeline
let pipeline = gst::Pipeline::new(Some("my-pipeline"));
// Create udpsrc element
let udpsrc = ElementFactory::make("udpsrc", Some("my-udpsrc")).unwrap();
udpsrc.set_property("port", &5000).unwrap();
// Create rtpbin element
let rtpbin = ElementFactory::make("rtpbin", Some("my-rtpbin")).unwrap();
// Add udpsrc and rtpbin to pipeline
pipeline.add_many(&[&udpsrc, &rtpbin]).unwrap();
// Link udpsrc and rtpbin
udpsrc.link(&rtpbin).unwrap();
// Start pipeline
pipeline.set_state(gst::State::Playing).unwrap();
// Wait until error or EOS
let bus = pipeline.get_bus().unwrap();
for msg in bus.iter_timed(gst::CLOCK_TIME_NONE) {
use gst::MessageView;
match msg.view() {
MessageView::Error(err) => {
println!(
"Error received from element {}: {}",
msg.get_src().get_path_string(),
err.get_error()
);
println!("Debugging information: {:?}", err.get_debug());
break;
}
MessageView::Eos(..) => break,
_ => (),
}
}
// Stop pipeline
pipeline.set_state(gst::State::Null).unwrap();
}
这段代码创建了一个GStreamer的管道,将udpsrc元素和rtpbin元素添加到管道中,并通过链接将它们连接起来。udpsrc用于接收UDP数据包,rtpbin用于处理RTP流。你可以根据需要修改端口号和其他属性。
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