gst-plugins-rs/utils/uriplaylistbin/tests/uriplaylistbin.rs

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// Copyright (C) 2021 OneStream Live <guillaume.desmottes@onestream.live>
//
// This Source Code Form is subject to the terms of the Mozilla Public License, v2.0.
// If a copy of the MPL was not distributed with this file, You can obtain one at
// <https://mozilla.org/MPL/2.0/>.
//
// SPDX-License-Identifier: MPL-2.0
use std::path::PathBuf;
use gst::prelude::*;
use gst::MessageView;
use more_asserts::assert_ge;
struct TestMedia {
uri: String,
len: gst::ClockTime,
}
fn file_name_to_uri(name: &str) -> String {
let input_path = {
let mut r = PathBuf::new();
r.push(env!("CARGO_MANIFEST_DIR"));
r.push("tests");
r.push(name);
r
};
let url = url::Url::from_file_path(&input_path).unwrap();
url.to_string()
}
impl TestMedia {
fn ogg() -> Self {
Self {
uri: file_name_to_uri("sample.ogg"),
len: gst::ClockTime::from_mseconds(510),
}
}
fn mkv() -> Self {
Self {
uri: file_name_to_uri("sample.mkv"),
len: gst::ClockTime::from_mseconds(510),
}
}
fn missing_file() -> Self {
Self {
uri: "file:///not-there.ogg".to_string(),
len: gst::ClockTime::from_mseconds(10),
}
}
fn missing_http() -> Self {
Self {
uri: "http:///not-there.ogg".to_string(),
len: gst::ClockTime::from_mseconds(10),
}
}
}
fn init() {
use std::sync::Once;
static INIT: Once = Once::new();
INIT.call_once(|| {
gst::init().unwrap();
gsturiplaylistbin::plugin_register_static()
.expect("Failed to register uriplaylistbin plugin");
});
}
fn test(
medias: Vec<TestMedia>,
n_streams: u32,
iterations: u32,
check_streams: bool,
) -> (Vec<gst::Message>, u32, u64) {
init();
let playlist_len = medias.len() * (iterations as usize);
let pipeline = gst::Pipeline::new(None);
let playlist = gst::ElementFactory::make("uriplaylistbin", None).unwrap();
let mq = gst::ElementFactory::make("multiqueue", None).unwrap();
pipeline.add_many(&[&playlist, &mq]).unwrap();
let total_len = gst::ClockTime::from_nseconds(
medias
.iter()
.map(|t| t.len.nseconds() * (iterations as u64))
.sum(),
);
let uris: Vec<String> = medias.iter().map(|t| t.uri.clone()).collect();
playlist.set_property("uris", &uris);
playlist.set_property("iterations", &iterations);
assert_eq!(playlist.property::<u32>("current-iteration"), 0);
assert_eq!(playlist.property::<u64>("current-uri-index"), 0);
let mq_clone = mq.clone();
playlist.connect_pad_added(move |_playlist, src_pad| {
let mq_sink = mq_clone.request_pad_simple("sink_%u").unwrap();
src_pad.link(&mq_sink).unwrap();
});
let pipeline_weak = pipeline.downgrade();
mq.connect_pad_added(move |_mq, pad| {
if pad.direction() != gst::PadDirection::Src {
return;
}
let pipeline = match pipeline_weak.upgrade() {
Some(pipeline) => pipeline,
None => return,
};
let sink = gst::ElementFactory::make("fakesink", None).unwrap();
pipeline.add(&sink).unwrap();
sink.sync_state_with_parent().unwrap();
pad.link(&sink.static_pad("sink").unwrap()).unwrap();
});
pipeline.set_state(gst::State::Playing).unwrap();
let bus = pipeline.bus().unwrap();
let mut events = vec![];
loop {
let msg = bus.iter_timed(gst::ClockTime::NONE).next().unwrap();
match msg.view() {
MessageView::Error(_) | MessageView::Eos(..) => {
events.push(msg.clone());
break;
}
// check stream related messages
MessageView::StreamCollection(_) | MessageView::StreamsSelected(_) => {
events.push(msg.clone())
}
_ => {}
}
}
// check we actually played all files and all streams
fn stream_end_ts(sink: &gst::Element) -> gst::ClockTime {
let sample: gst::Sample = sink.property("last-sample");
let buffer = sample.buffer().unwrap();
let pts = buffer.pts().unwrap();
let segment = sample.segment().unwrap();
let segment = segment.downcast_ref::<gst::ClockTime>().unwrap();
let rt = segment.to_running_time(pts).unwrap();
rt + buffer.duration().unwrap()
}
if check_streams {
// check all streams have been fully played
let mut n = 0;
for sink in pipeline.iterate_sinks() {
let sink = sink.unwrap();
assert_ge!(
stream_end_ts(&sink),
total_len,
"{}: {} < {}",
sink.name(),
stream_end_ts(&sink),
total_len
);
n += 1;
}
assert_eq!(n, n_streams);
// check stream-collection and streams-selected message ordering
let mut events = events.clone().into_iter();
for _ in 0..playlist_len {
let decodebin = assert_stream_collection(events.next().unwrap(), n_streams as usize);
assert_eq!(
assert_stream_selected(events.next().unwrap(), n_streams as usize),
decodebin
);
}
}
let current_iteration = playlist.property::<u32>("current-iteration");
let current_uri_index = playlist.property::<u64>("current-uri-index");
pipeline.set_state(gst::State::Null).unwrap();
(events, current_iteration, current_uri_index)
}
fn assert_eos(msg: gst::Message) {
assert!(matches!(msg.view(), MessageView::Eos(_)));
}
fn assert_error(msg: gst::Message, failing: TestMedia) {
match msg.view() {
MessageView::Error(err) => {
let details = err.details().unwrap();
assert_eq!(details.get::<&str>("uri").unwrap(), failing.uri);
}
_ => {
panic!("last message is not an error");
}
}
}
fn assert_stream_collection(msg: gst::Message, n_streams: usize) -> gst::Object {
match msg.view() {
MessageView::StreamCollection(sc) => {
let collection = sc.stream_collection();
assert_eq!(collection.len(), n_streams);
sc.src().unwrap()
}
_ => {
panic!("message is not a stream collection");
}
}
}
fn assert_stream_selected(msg: gst::Message, n_streams: usize) -> gst::Object {
match msg.view() {
MessageView::StreamsSelected(ss) => {
let collection = ss.stream_collection();
assert_eq!(collection.len(), n_streams);
ss.src().unwrap()
}
_ => {
panic!("message is not stream selected");
}
}
}
#[test]
// FIXME: test deadlocks: https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/issues/194
#[ignore]
fn single_audio() {
let (events, current_iteration, current_uri_index) = test(vec![TestMedia::ogg()], 1, 1, true);
assert_eos(events.into_iter().last().unwrap());
assert_eq!(current_iteration, 0);
assert_eq!(current_uri_index, 0);
}
#[test]
// FIXME: test deadlocks: https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/issues/194
#[ignore]
fn single_video() {
let (events, current_iteration, current_uri_index) = test(vec![TestMedia::mkv()], 2, 1, true);
assert_eos(events.into_iter().last().unwrap());
assert_eq!(current_iteration, 0);
assert_eq!(current_uri_index, 0);
}
#[test]
// FIXME: this test hits deadlocks, see https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/issues/184
#[ignore]
fn multi_audio() {
let (events, current_iteration, current_uri_index) = test(
vec![TestMedia::ogg(), TestMedia::ogg(), TestMedia::ogg()],
1,
1,
true,
);
assert_eos(events.into_iter().last().unwrap());
assert_eq!(current_iteration, 0);
assert_eq!(current_uri_index, 2);
}
#[test]
// FIXME: test deadlocks: https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/issues/194
#[ignore]
fn multi_audio_video() {
let (events, current_iteration, current_uri_index) =
test(vec![TestMedia::mkv(), TestMedia::mkv()], 2, 1, true);
assert_eos(events.into_iter().last().unwrap());
assert_eq!(current_iteration, 0);
assert_eq!(current_uri_index, 1);
}
#[test]
// FIXME: test deadlocks: https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/issues/194
#[ignore]
fn iterations() {
let (events, current_iteration, current_uri_index) =
test(vec![TestMedia::mkv(), TestMedia::mkv()], 2, 2, true);
assert_eos(events.into_iter().last().unwrap());
assert_eq!(current_iteration, 1);
assert_eq!(current_uri_index, 1);
}
#[test]
// FIXME: test deadlocks: https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/issues/194
#[ignore]
fn nb_streams_increasing() {
let (events, current_iteration, current_uri_index) =
test(vec![TestMedia::ogg(), TestMedia::mkv()], 2, 1, false);
assert_eos(events.into_iter().last().unwrap());
assert_eq!(current_iteration, 0);
assert_eq!(current_uri_index, 1);
}
#[test]
fn missing_file() {
let (events, current_iteration, current_uri_index) = test(
vec![TestMedia::ogg(), TestMedia::missing_file()],
1,
1,
false,
);
assert_error(
events.into_iter().last().unwrap(),
TestMedia::missing_file(),
);
assert_eq!(current_iteration, 0);
assert_eq!(current_uri_index, 0);
}
#[test]
// FIXME: test deadlocks: https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/issues/194
#[ignore]
fn missing_http() {
let (events, current_iteration, current_uri_index) = test(
vec![TestMedia::ogg(), TestMedia::missing_http()],
1,
1,
false,
);
assert_error(
events.into_iter().last().unwrap(),
TestMedia::missing_http(),
);
assert_eq!(current_iteration, 0);
assert_eq!(current_uri_index, 0);
}