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

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// Copyright (C) 2020 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.
#[macro_use]
extern crate pretty_assertions;
use gst::prelude::*;
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: [(gst::ClockTime, gst::ClockTime, &'static str); 4] = [
(
15_048_366_666.into(),
3_236_566_667.into(),
"From New York,\r\nthis is Democracy Now!",
),
(
18_985_633_333.into(),
1_234_566_667.into(),
"Yes, Im supporting\r\nDonald Trump.",
),
(
20_220_200_000.into(),
2_168_833_333.into(),
"Im doing so as enthusiastically\r\nas I can,",
),
(
22_389_033_333.into(),
2_235_566_667.into(),
"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.get_pts(), "Unexpected PTS for {}th buffer", i + 1);
assert_eq!(
e.1,
buf.get_duration(),
"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
.get_sinkpad()
.expect("harness has no sinkpad")
.get_current_caps()
.expect("pad has no caps");
assert_eq!(
caps,
gst::Caps::builder("text/x-raw")
.field("format", &"utf8")
.build()
);
}