gst-plugins-rs/video/closedcaption/tests/cea608tott.rs

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// Copyright (C) 2020 Sebastian Dröge <sebastian@centricular.com>
//
// 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 gst::prelude::*;
use gst::ClockTime;
use pretty_assertions::assert_eq;
fn init() {
use std::sync::Once;
static INIT: Once = Once::new();
INIT.call_once(|| {
gst::init().unwrap();
gstrsclosedcaption::plugin_register_static().unwrap();
});
}
#[test]
fn test_parse() {
init();
let data = include_bytes!("dn2018-1217.scc").as_ref();
let mut h = gst_check::Harness::new_parse("sccparse ! cea608tott");
h.set_src_caps_str("application/x-scc");
h.set_sink_caps_str("text/x-raw");
let buf = gst::Buffer::from_mut_slice(Vec::from(data));
assert_eq!(h.push(buf), Ok(gst::FlowSuccess::Ok));
// Check the first 4 output buffers
let expected: [(ClockTime, ClockTime, &'static str); 4] = [
(
ClockTime::from_nseconds(15_048_366_666),
ClockTime::from_nseconds(3_236_566_667),
"From New York,\r\nthis is Democracy Now!",
),
(
ClockTime::from_nseconds(18_985_633_333),
ClockTime::from_nseconds(1_234_566_667),
"Yes, Im supporting\r\nDonald Trump.",
),
(
ClockTime::from_nseconds(20_220_200_000),
ClockTime::from_nseconds(2_168_833_333),
"Im doing so as enthusiastically\r\nas I can,",
),
(
ClockTime::from_nseconds(22_389_033_333),
ClockTime::from_nseconds(2_235_566_667),
"even the fact I think\r\nhes a terrible human being.",
),
];
for (i, e) in expected.iter().enumerate() {
let buf = h.try_pull().unwrap();
assert_eq!(
e.0,
buf.pts().unwrap(),
"Unexpected PTS for {}th buffer",
i + 1
);
assert_eq!(
e.1,
buf.duration().unwrap(),
"Unexpected duration for {}th buffer",
i + 1
);
let data = buf.map_readable().unwrap();
let s = std::str::from_utf8(&*data)
.unwrap_or_else(|_| panic!("Non-UTF8 data for {}th buffer", i + 1));
assert_eq!(e.2, s, "Unexpected data for {}th buffer", i + 1);
}
let caps = h
.sinkpad()
.expect("harness has no sinkpad")
.current_caps()
.expect("pad has no caps");
assert_eq!(
caps,
gst::Caps::builder("text/x-raw")
.field("format", "utf8")
.build()
);
}