mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer-rs.git
synced 2024-06-02 04:59:51 +00:00
7423b1dea6
As a side-effect, this also now includes the element factory name in the error messages instead of giving the same error string for every factory. Partially fixes https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/issues/318 Also let them all go through the same, single object construction code.
63 lines
1.8 KiB
Rust
63 lines
1.8 KiB
Rust
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")
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.name("source")
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.property_from_str("pattern", "smpte")
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.build()
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.expect("Could not create source element.");
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let sink = gst::ElementFactory::make("autovideosink")
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.name("sink")
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.build()
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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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// 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.bus().unwrap();
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for msg in bus.iter_timed(gst::ClockTime::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.src().map(|s| s.path_string()),
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err.error()
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);
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eprintln!("Debugging information: {:?}", err.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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