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60 lines
1.9 KiB
Rust
60 lines
1.9 KiB
Rust
extern crate gstreamer as gst;
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use gst::prelude::*;
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#[path = "../tutorials-common.rs"]
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mod tutorials_common;
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fn tutorial_main() {
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// Initialize GStreamer
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gst::init().unwrap();
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// Create the elements
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let source = gst::ElementFactory::make("videotestsrc", Some("source"))
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.expect("Could not create source element.");
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let sink = gst::ElementFactory::make("autovideosink", Some("sink"))
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.expect("Could not create sink element");
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// Create the empty pipeline
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let pipeline = gst::Pipeline::new(Some("test-pipeline"));
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// Build the pipeline
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pipeline.add_many(&[&source, &sink]).unwrap();
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source.link(&sink).expect("Elements could not be linked.");
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// Modify the source's properties
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source.set_property_from_str("pattern", "smpte");
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// Start playing
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pipeline
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.set_state(gst::State::Playing)
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.expect("Unable to set the pipeline to the `Playing` state");
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// Wait until error or EOS
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let bus = pipeline.get_bus().unwrap();
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for msg in bus.iter_timed(gst::CLOCK_TIME_NONE) {
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use gst::MessageView;
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match msg.view() {
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MessageView::Error(err) => {
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eprintln!(
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"Error received from element {:?}: {}",
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err.get_src().map(|s| s.get_path_string()),
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err.get_error()
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);
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eprintln!("Debugging information: {:?}", err.get_debug());
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break;
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}
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MessageView::Eos(..) => break,
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_ => (),
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}
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}
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pipeline
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.set_state(gst::State::Null)
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.expect("Unable to set the pipeline to the `Null` state");
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}
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fn main() {
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// tutorials_common::run is only required to set up the application environment on macOS
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// (but not necessary in normal Cocoa applications where this is set up automatically)
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tutorials_common::run(tutorial_main);
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}
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