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|
use gst::glib;
use once_cell::sync::Lazy;
mod args;
use args::*;
#[macro_use]
mod macros;
mod sink;
mod src;
use std::sync::atomic::{AtomicU32, Ordering};
use std::sync::Arc;
static CAT: Lazy<gst::DebugCategory> = Lazy::new(|| {
gst::DebugCategory::new(
"ts-standalone-main",
gst::DebugColorFlags::empty(),
Some("Thread-sharing standalone test main"),
)
});
fn plugin_init(plugin: &gst::Plugin) -> Result<(), glib::BoolError> {
src::register(plugin)?;
sink::async_mutex::register(plugin)?;
sink::sync_mutex::register(plugin)?;
sink::task::register(plugin)?;
Ok(())
}
gst::plugin_define!(
threadshare_standalone_test,
env!("CARGO_PKG_DESCRIPTION"),
plugin_init,
concat!(env!("CARGO_PKG_VERSION"), "-", env!("COMMIT_ID")),
"LGPL",
env!("CARGO_PKG_NAME"),
env!("CARGO_PKG_NAME"),
env!("CARGO_PKG_REPOSITORY"),
env!("BUILD_REL_DATE")
);
fn main() {
use gst::prelude::*;
use std::time::Instant;
gst::init().unwrap();
self::plugin_register_static().unwrap();
#[cfg(debug_assertions)]
gst::warning!(CAT, "RUNNING DEBUG BUILD");
let args = args();
let pipeline = gst::Pipeline::default();
for i in 0..args.streams {
let ctx_name = format!("standalone {}", i % args.groups);
let src = gst::ElementFactory::make(src::ELEMENT_NAME)
.name(format!("src-{i}").as_str())
.property("context", &ctx_name)
.property("context-wait", args.wait)
.property("push-period", args.push_period)
.property("num-buffers", args.num_buffers)
.build()
.unwrap();
let sink = gst::ElementFactory::make(args.sink.element_name())
.name(format!("sink-{i}").as_str())
.property("context", &ctx_name)
.property("context-wait", args.wait)
.build()
.unwrap();
if i == 0 {
src.set_property("main-elem", true);
sink.set_property("main-elem", true);
if !args.disable_stats_log {
// Don't use the last 5 secs in stats
// otherwise we get outliers when reaching EOS.
// Note that stats don't start before the 20 first seconds
// and we get 50 buffers per sec.
const BUFFERS_BEFORE_LOGS: i32 = 20 * 50;
const BUFFERS_TO_SKIP: i32 = BUFFERS_BEFORE_LOGS + 5 * 50;
if args.num_buffers > BUFFERS_TO_SKIP {
sink.set_property("push-period", args.push_period);
sink.set_property("logs-stats", true);
let max_buffers = args.num_buffers - BUFFERS_TO_SKIP;
sink.set_property("max-buffers", max_buffers);
} else {
gst::warning!(CAT, "Not enough buffers to log, disabling stats");
}
}
}
let elements = &[&src, &sink];
pipeline.add_many(elements).unwrap();
gst::Element::link_many(elements).unwrap();
}
let l = glib::MainLoop::new(None, false);
let bus = pipeline.bus().unwrap();
let terminated_count = Arc::new(AtomicU32::new(0));
let pipeline_clone = pipeline.clone();
let l_clone = l.clone();
let _bus_watch = bus
.add_watch(move |_, msg| {
use gst::MessageView;
match msg.view() {
MessageView::Eos(_) => {
// Actually, we don't post EOS (see sinks impl).
gst::info!(CAT, "Received eos");
l_clone.quit();
glib::Continue(false)
}
MessageView::Error(msg) => {
if let gst::MessageView::Error(msg) = msg.message().view() {
if msg.error().matches(gst::LibraryError::Shutdown) {
if terminated_count.fetch_add(1, Ordering::SeqCst) == args.streams - 1 {
gst::info!(CAT, "Received all shutdown requests");
l_clone.quit();
return glib::Continue(false);
} else {
return glib::Continue(true);
}
}
}
gst::error!(
CAT,
"Error from {:?}: {} ({:?})",
msg.src().map(|s| s.path_string()),
msg.error(),
msg.debug()
);
l_clone.quit();
glib::Continue(false)
}
_ => glib::Continue(true),
}
})
.expect("Failed to add bus watch");
gst::info!(CAT, "Switching to Ready");
let start = Instant::now();
pipeline.set_state(gst::State::Ready).unwrap();
gst::info!(CAT, "Switching to Ready took {:.2?}", start.elapsed());
gst::info!(CAT, "Switching to Playing");
let start = Instant::now();
pipeline.set_state(gst::State::Playing).unwrap();
gst::info!(CAT, "Switching to Playing took {:.2?}", start.elapsed());
l.run();
gst::info!(CAT, "Switching to Ready");
let stop = Instant::now();
pipeline_clone.set_state(gst::State::Ready).unwrap();
gst::info!(CAT, "Switching to Ready took {:.2?}", stop.elapsed());
gst::info!(CAT, "Shutting down");
let stop = Instant::now();
pipeline_clone.set_state(gst::State::Null).unwrap();
gst::info!(CAT, "Shutting down took {:.2?}", stop.elapsed());
}
|
