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// Copyright (C) 2018 Sebastian Dröge <sebastian@centricular.com>
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this library; if not, write to the
// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
// Boston, MA 02110-1335, USA.
use gst::prelude::*;
fn init() {
use std::sync::Once;
static INIT: Once = Once::new();
INIT.call_once(|| {
gst::init().unwrap();
gstthreadshare::plugin_register_static().expect("gstthreadshare appsrc test");
});
}
#[test]
fn push() {
init();
let mut h = gst_check::Harness::new("ts-appsrc");
let caps = gst::Caps::builder("foo/bar").build();
{
let appsrc = h.element().unwrap();
appsrc.set_property("caps", &caps);
appsrc.set_property("do-timestamp", true);
appsrc.set_property("context", "appsrc-push");
}
h.play();
{
let appsrc = h.element().unwrap();
for _ in 0..3 {
assert!(appsrc.emit_by_name::<bool>("push-buffer", &[&gst::Buffer::new()]));
}
assert!(appsrc.emit_by_name::<bool>("end-of-stream", &[]));
}
for _ in 0..3 {
let _buffer = h.pull().unwrap();
}
let mut n_events = 0;
loop {
use gst::EventView;
let event = h.pull_event().unwrap();
match event.view() {
EventView::StreamStart(..) => {
assert_eq!(n_events, 0);
}
EventView::Caps(ev) => {
assert_eq!(n_events, 1);
let event_caps = ev.caps();
assert_eq!(caps.as_ref(), event_caps);
}
EventView::Segment(..) => {
assert_eq!(n_events, 2);
}
EventView::Eos(..) => {
break;
}
_ => (),
}
n_events += 1;
}
assert!(n_events >= 2);
}
#[test]
fn pause_regular() {
init();
let mut h = gst_check::Harness::new("ts-appsrc");
let caps = gst::Caps::builder("foo/bar").build();
{
let appsrc = h.element().unwrap();
appsrc.set_property("caps", &caps);
appsrc.set_property("do-timestamp", true);
appsrc.set_property("context", "appsrc-pause");
}
h.play();
let appsrc = h.element().unwrap();
// Initial buffer
assert!(
appsrc.emit_by_name::<bool>("push-buffer", &[&gst::Buffer::from_slice(vec![1, 2, 3, 4])])
);
let _ = h.pull().unwrap();
// Pre-pause buffer
assert!(appsrc.emit_by_name::<bool>("push-buffer", &[&gst::Buffer::from_slice(vec![5, 6, 7])]));
appsrc
.change_state(gst::StateChange::PlayingToPaused)
.unwrap();
// Buffer is queued during Paused
assert!(appsrc.emit_by_name::<bool>("push-buffer", &[&gst::Buffer::from_slice(vec![8, 9])]));
appsrc
.change_state(gst::StateChange::PausedToPlaying)
.unwrap();
// Pull Pre-pause buffer
let _ = h.pull().unwrap();
// Pull buffer queued while Paused
let _ = h.pull().unwrap();
// Can push again
assert!(appsrc.emit_by_name::<bool>("push-buffer", &[&gst::Buffer::new()]));
let _ = h.pull().unwrap();
assert!(h.try_pull().is_none());
}
#[test]
fn flush_regular() {
init();
let mut h = gst_check::Harness::new("ts-appsrc");
let caps = gst::Caps::builder("foo/bar").build();
{
let appsrc = h.element().unwrap();
appsrc.set_property("caps", &caps);
appsrc.set_property("do-timestamp", true);
appsrc.set_property("context", "appsrc-flush");
}
h.play();
let appsrc = h.element().unwrap();
// Initial buffer
assert!(
appsrc.emit_by_name::<bool>("push-buffer", &[&gst::Buffer::from_slice(vec![1, 2, 3, 4])])
);
let _ = h.pull().unwrap();
// FlushStart
assert!(h.push_upstream_event(gst::event::FlushStart::new()));
// Can't push buffer while flushing
assert!(!appsrc.emit_by_name::<bool>("push-buffer", &[&gst::Buffer::new()]));
assert!(h.try_pull().is_none());
// FlushStop
assert!(h.push_upstream_event(gst::event::FlushStop::new(true)));
// No buffer available due to flush
assert!(h.try_pull().is_none());
// Can push again
assert!(appsrc.emit_by_name::<bool>("push-buffer", &[&gst::Buffer::new()]));
let _ = h.pull().unwrap();
assert!(h.try_pull().is_none());
}
#[test]
fn pause_flush() {
init();
let mut h = gst_check::Harness::new("ts-appsrc");
let caps = gst::Caps::builder("foo/bar").build();
{
let appsrc = h.element().unwrap();
appsrc.set_property("caps", &caps);
appsrc.set_property("do-timestamp", true);
appsrc.set_property("context", "appsrc-pause_flush");
}
h.play();
let appsrc = h.element().unwrap();
// Initial buffer
assert!(
appsrc.emit_by_name::<bool>("push-buffer", &[&gst::Buffer::from_slice(vec![1, 2, 3, 4])])
);
let _ = h.pull().unwrap();
appsrc
.change_state(gst::StateChange::PlayingToPaused)
.unwrap();
// FlushStart
assert!(h.push_upstream_event(gst::event::FlushStart::new()));
// Can't push buffers while flushing
assert!(!appsrc.emit_by_name::<bool>("push-buffer", &[&gst::Buffer::new()]));
assert!(h.try_pull().is_none());
// FlushStop
assert!(h.push_upstream_event(gst::event::FlushStop::new(true)));
appsrc
.change_state(gst::StateChange::PausedToPlaying)
.unwrap();
// No buffer available due to flush
assert!(h.try_pull().is_none());
// Can push again
assert!(appsrc.emit_by_name::<bool>("push-buffer", &[&gst::Buffer::new()]));
let _ = h.pull().unwrap();
assert!(h.try_pull().is_none());
}
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