forked from mirrors/gstreamer-rs
Add futures example using the GLib futures executor
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2 changed files with 69 additions and 0 deletions
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@ -30,6 +30,7 @@ gtkvideooverlay = ["gtk", "gdk", "gio"]
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gtkvideooverlay-x11 = ["gtkvideooverlay"]
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gtkvideooverlay-quartz = ["gtkvideooverlay"]
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generic-futures = ["gstreamer/futures", "futures"]
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glib-futures = ["generic-futures", "glib/futures"]
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gst-rtsp-server = ["gstreamer-rtsp-server"]
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gst-rtsp-server-record = ["gstreamer-rtsp-server", "gstreamer-rtsp", "gio"]
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default-features = []
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@ -100,6 +101,11 @@ name = "toc"
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name = "futures"
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required-features = ["generic-futures"]
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[[bin]]
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name = "glib-futures"
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required-features = ["glib-futures"]
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[[bin]]
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name = "rtsp-server-record"
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required-features = ["gst-rtsp-server-record"]
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63
examples/src/bin/glib-futures.rs
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63
examples/src/bin/glib-futures.rs
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@ -0,0 +1,63 @@
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extern crate gstreamer as gst;
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use gst::prelude::*;
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extern crate glib;
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extern crate futures;
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use futures::prelude::*;
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use std::env;
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#[path = "../examples-common.rs"]
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mod examples_common;
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fn example_main() {
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let ctx = glib::MainContext::default();
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let pipeline_str = env::args().collect::<Vec<String>>()[1..].join(" ");
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gst::init().unwrap();
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let pipeline = gst::parse_launch(&pipeline_str).unwrap();
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let bus = pipeline.get_bus().unwrap();
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let ret = pipeline.set_state(gst::State::Playing);
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assert_ne!(ret, gst::StateChangeReturn::Failure);
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let messages = gst::BusStream::new(&bus)
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.for_each(|msg| {
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use gst::MessageView;
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let quit = match msg.view() {
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MessageView::Eos(..) => true,
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MessageView::Error(err) => {
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println!(
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"Error from {:?}: {} ({:?})",
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err.get_src().map(|s| s.get_path_string()),
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err.get_error(),
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err.get_debug()
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);
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true
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}
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_ => false,
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};
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if quit {
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Err(())
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} else {
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Ok(())
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}
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})
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.and_then(|_| Ok(()));
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let _ = ctx.block_on(messages);
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let ret = pipeline.set_state(gst::State::Null);
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assert_ne!(ret, gst::StateChangeReturn::Failure);
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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 environent on macOS
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// (but not necessary in normal Cocoa applications where this is set up autmatically)
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examples_common::run(example_main);
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}
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