mirror of
https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs.git
synced 2024-11-26 13:31:00 +00:00
227 lines
6.9 KiB
Rust
227 lines
6.9 KiB
Rust
// Copyright (C) 2019 Sebastian Dröge <sebastian@centricular.com>
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// Copyright (C) 2019 Jordan Petridis <jordan@centricular.com>
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Library General Public License for more details.
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//
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// You should have received a copy of the GNU Library General Public
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// License along with this library; if not, write to the
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// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
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// Boston, MA 02110-1335, USA.
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#[macro_use]
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extern crate pretty_assertions;
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fn init() {
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use std::sync::Once;
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static INIT: Once = Once::new();
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INIT.call_once(|| {
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gst::init().unwrap();
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gstrsclosedcaption::plugin_register_static().unwrap();
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});
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}
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/// Encode a single raw CEA608 packet and compare the output
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#[test]
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fn test_encode_single_packet() {
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init();
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let input = [148, 44];
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let expected_output = b"Scenarist_SCC V1.0\r\n\r\n11:12:13;14\t942c\r\n\r\n";
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let mut h = gst_check::Harness::new("sccenc");
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h.set_src_caps_str("closedcaption/x-cea-608, format=raw, framerate=(fraction)30000/1001");
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let tc = gst_video::ValidVideoTimeCode::new(
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gst::Fraction::new(30000, 1001),
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None,
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gst_video::VideoTimeCodeFlags::DROP_FRAME,
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11,
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12,
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13,
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14,
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0,
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)
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.unwrap();
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let buf = {
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let mut buf = gst::Buffer::from_mut_slice(Vec::from(&input[..]));
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let buf_ref = buf.get_mut().unwrap();
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gst_video::VideoTimeCodeMeta::add(buf_ref, &tc);
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buf_ref.set_pts(gst::ClockTime::from_seconds(0));
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buf
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};
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assert_eq!(h.push(buf), Ok(gst::FlowSuccess::Ok));
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h.push_event(gst::Event::new_eos().build());
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let buf = h.pull().expect("Couldn't pull buffer");
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let timecode = buf
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.get_meta::<gst_video::VideoTimeCodeMeta>()
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.expect("No timecode for buffer")
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.get_tc();
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assert_eq!(timecode, tc);
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let pts = buf.get_pts();
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assert_eq!(pts, gst::ClockTime::from_seconds(0));
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let map = buf.map_readable().expect("Couldn't map buffer readable");
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assert_eq!(
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std::str::from_utf8(map.as_ref()),
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std::str::from_utf8(expected_output.as_ref())
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);
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}
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/// Encode a multiple raw CEA608 packets and compare the output
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#[test]
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fn test_encode_multiple_packets() {
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init();
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let input1 = [148, 44];
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let input2 = [
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148, 32, 148, 32, 148, 174, 148, 174, 148, 84, 148, 84, 16, 174, 16, 174, 70, 242, 239,
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109, 32, 206, 229, 247, 32, 217, 239, 242, 107, 44, 148, 242, 148, 242, 16, 174, 16, 174,
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244, 104, 233, 115, 32, 233, 115, 32, 196, 229, 109, 239, 227, 242, 97, 227, 121, 32, 206,
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239, 247, 161, 148, 47, 148, 47,
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];
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let expected_output1 = b"Scenarist_SCC V1.0\r\n\r\n00:00:00;00\t942c 942c\r\n\r\n";
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let expected_output2 = b"00:00:14;01\t9420 9420 94ae 94ae 9454 9454 10ae 10ae 46f2 ef6d 20ce e5f7 20d9 eff2 6b2c 94f2\r\n\r\n";
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let expected_output3 = b"00:00:14;17\t94f2 10ae 10ae f468 e973 20e9 7320 c4e5 6def e3f2 61e3 7920 ceef f7a1 942f 942f\r\n\r\n";
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let mut h = gst_check::Harness::new("sccenc");
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h.set_src_caps_str("closedcaption/x-cea-608, format=raw, framerate=(fraction)30000/1001");
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let tc1 = gst_video::ValidVideoTimeCode::new(
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gst::Fraction::new(30000, 1001),
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None,
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gst_video::VideoTimeCodeFlags::DROP_FRAME,
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0,
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0,
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0,
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0,
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0,
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)
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.unwrap();
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let tc2 = gst_video::ValidVideoTimeCode::new(
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gst::Fraction::new(30000, 1001),
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None,
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gst_video::VideoTimeCodeFlags::DROP_FRAME,
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0,
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0,
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14,
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1,
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0,
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)
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.unwrap();
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let buf1 = {
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let mut buf = gst::Buffer::from_mut_slice(Vec::from(&input1[..]));
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let buf_ref = buf.get_mut().unwrap();
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gst_video::VideoTimeCodeMeta::add(buf_ref, &tc1);
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buf_ref.set_pts(gst::ClockTime::from_seconds(0));
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buf
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};
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let buf2 = {
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let mut buf = gst::Buffer::from_mut_slice(Vec::from(&input1[..]));
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let buf_ref = buf.get_mut().unwrap();
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let mut tc = tc1.clone();
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tc.increment_frame();
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gst_video::VideoTimeCodeMeta::add(buf_ref, &tc);
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buf_ref.set_pts(gst::ClockTime::from_seconds(0));
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buf
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};
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let mut t = tc2.clone();
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let mut buffers = input2
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.chunks(2)
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.map(move |bytes| {
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let mut buf = gst::Buffer::from_mut_slice(Vec::from(&bytes[..]));
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let buf_ref = buf.get_mut().unwrap();
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gst_video::VideoTimeCodeMeta::add(buf_ref, &t);
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t.increment_frame();
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buf
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})
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.collect::<Vec<gst::Buffer>>();
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buffers.insert(0, buf1);
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buffers.insert(1, buf2);
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buffers.iter().for_each(|buf| {
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assert_eq!(h.push(buf.clone()), Ok(gst::FlowSuccess::Ok));
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});
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h.push_event(gst::Event::new_eos().build());
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// Pull 1
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let buf = h.pull().expect("Couldn't pull buffer");
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let timecode = buf
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.get_meta::<gst_video::VideoTimeCodeMeta>()
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.expect("No timecode for buffer")
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.get_tc();
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assert_eq!(timecode, tc1);
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let pts = buf.get_pts();
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assert_eq!(pts, gst::ClockTime::from_seconds(0));
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let map = buf.map_readable().expect("Couldn't map buffer readable");
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assert_eq!(
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std::str::from_utf8(map.as_ref()),
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std::str::from_utf8(expected_output1.as_ref())
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);
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// Pull 2
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let buf = h.pull().expect("Couldn't pull buffer");
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let timecode = buf
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.get_meta::<gst_video::VideoTimeCodeMeta>()
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.expect("No timecode for buffer")
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.get_tc();
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assert_eq!(timecode, tc2);
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// let pts = buf.get_pts();
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// assert_eq!(pts, gst::ClockTime::from_seconds(0));
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let map = buf.map_readable().expect("Couldn't map buffer readable");
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assert_eq!(
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std::str::from_utf8(map.as_ref()),
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std::str::from_utf8(expected_output2.as_ref())
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);
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let tc3 = gst_video::ValidVideoTimeCode::new(
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gst::Fraction::new(30000, 1001),
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None,
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gst_video::VideoTimeCodeFlags::DROP_FRAME,
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0,
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0,
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14,
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17,
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0,
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)
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.unwrap();
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// Pull 3
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let buf = h.pull().expect("Couldn't pull buffer");
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let timecode = buf
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.get_meta::<gst_video::VideoTimeCodeMeta>()
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.expect("No timecode for buffer")
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.get_tc();
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assert_eq!(timecode, tc3);
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// let pts = buf.get_pts();
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// assert_eq!(pts, gst::ClockTime::from_seconds(0));
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let map = buf.map_readable().expect("Couldn't map buffer readable");
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assert_eq!(
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std::str::from_utf8(map.as_ref()),
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std::str::from_utf8(expected_output3.as_ref())
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);
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}
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