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extern crate gstreamer as gst;
use gst::prelude::*;
extern crate glib;
use std::env;
#[path = "../examples-common.rs"]
mod examples_common;
fn example_main() {
gst::init().unwrap();
let args: Vec<_> = env::args().collect();
let uri: &str = if args.len() == 2 {
args[1].as_ref()
} else {
println!("Usage: playbin uri");
std::process::exit(-1)
};
let playbin = gst::ElementFactory::make("playbin", None).unwrap();
playbin
.set_property("uri", &glib::Value::from(uri))
.unwrap();
// For flags handling
// let flags = playbin.get_property("flags").unwrap();
// let flags_class = FlagsClass::new(flags.type_()).unwrap();
// let flags = flags_class.builder_with_value(flags).unwrap()
// .unset_by_nick("text")
// .unset_by_nick("video")
// .build()
// .unwrap();
// playbin.set_property("flags", &flags).unwrap();
playbin
.connect("audio-tags-changed", false, |values| {
let playbin = values[0].get::<glib::Object>().unwrap();
let idx = values[1].get::<i32>().unwrap();
println!("audio tags of audio stream {} changed:", idx);
let tags = playbin
.emit("get-audio-tags", &[&idx.to_value()])
.unwrap()
.unwrap();
let tags = tags.get::<gst::TagList>().unwrap();
if let Some(artist) = tags.get::<gst::tags::Artist>() {
println!(" Artist: {}", artist.get().unwrap());
}
if let Some(title) = tags.get::<gst::tags::Title>() {
println!(" Title: {}", title.get().unwrap());
}
if let Some(album) = tags.get::<gst::tags::Album>() {
println!(" Album: {}", album.get().unwrap());
}
None
})
.unwrap();
let bus = playbin.get_bus().unwrap();
let ret = playbin.set_state(gst::State::Playing);
assert_ne!(ret, gst::StateChangeReturn::Failure);
while let Some(msg) = bus.timed_pop(gst::CLOCK_TIME_NONE) {
use gst::MessageView;
match msg.view() {
MessageView::Eos(..) => break,
MessageView::Error(err) => {
println!(
"Error from {:?}: {} ({:?})",
err.get_src().map(|s| s.get_path_string()),
err.get_error(),
err.get_debug()
);
break;
}
_ => (),
}
}
let ret = playbin.set_state(gst::State::Null);
assert_ne!(ret, gst::StateChangeReturn::Failure);
}
fn main() {
// tutorials_common::run is only required to set up the application environent on macOS
// (but not necessary in normal Cocoa applications where this is set up autmatically)
examples_common::run(example_main);
}