gst-plugins-rs/video/ffv1/tests/ffv1dec.rs

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// Copyright (C) 2019 Sebastian Dröge <sebastian@centricular.com>
// Copyright (C) 2021 Arun Raghavan <arun@asymptotic.io>
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
//
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// SPDX-License-Identifier: MIT OR Apache-2.0
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use gst::glib;
use gst::prelude::*;
use std::fs;
use std::path::PathBuf;
fn init() {
use std::sync::Once;
static INIT: Once = Once::new();
INIT.call_once(|| {
gst::init().unwrap();
gstffv1::plugin_register_static().expect("ffv1 test");
});
}
#[test]
fn test_decode_yuv420p() {
init();
test_decode("yuv420p");
}
fn test_decode(name: &str) {
let mut path = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
path.push(format!("tests/ffv1_v3_{name}.mkv"));
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let bin = gst::parse_bin_from_description(
&format!(
"filesrc location={path:?} ! matroskademux name=m m.video_0 ! ffv1dec name=ffv1dec"
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),
false,
)
.unwrap();
let srcpad = bin.by_name("ffv1dec").unwrap().static_pad("src").unwrap();
let _ = bin.add_pad(&gst::GhostPad::with_target(Some("src"), &srcpad).unwrap());
let mut h = gst_check::Harness::with_element(&bin, None, Some("src"));
h.play();
let buf = h.pull().unwrap();
let frame = buf.into_mapped_buffer_readable().unwrap();
let mut refpath = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
refpath.push(format!("tests/ffv1_v3_{name}.ref"));
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let ref_frame = fs::read(refpath).unwrap();
assert_eq!(frame.len(), ref_frame.len());
assert_eq!(frame.as_slice(), glib::Bytes::from_owned(ref_frame));
}