gst-plugins-rs/net/rtp/tests/rtpav1.rs

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//
// Copyright (C) 2022 Vivienne Watermeier <vwatermeier@igalia.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::{event::Eos, prelude::*, Buffer, Caps, ClockTime};
use gst_check::Harness;
use gst_rtp::{rtp_buffer::RTPBufferExt, RTPBuffer};
fn init() {
use std::sync::Once;
static INIT: Once = Once::new();
INIT.call_once(|| {
gst::init().unwrap();
gstrsrtp::plugin_register_static().expect("rtpav1 test");
});
}
#[test]
#[rustfmt::skip]
fn test_depayloader() {
let test_packets: [(Vec<u8>, bool, u32); 4] = [
( // simple packet, complete TU
vec![ // RTP payload
0b0001_1000,
0b0011_0000, 1, 2, 3, 4, 5, 6,
],
true, // marker bit
100_000, // timestamp
), ( // 2 OBUs, last is fragmented
vec![
0b0110_0000,
0b0000_0110, 0b0111_1000, 1, 2, 3, 4, 5,
0b0011_0000, 1, 2, 3,
],
false,
190_000,
), ( // continuation of the last OBU
vec![
0b1100_0000,
0b0000_0100, 4, 5, 6, 7,
],
false,
190_000,
), ( // finishing the OBU fragment
vec![
0b1001_0000,
8, 9, 10,
],
true,
190_000,
)
];
let expected: [Vec<u8>; 3] = [
vec![
0b0001_0010, 0,
0b0011_0010, 0b0000_0110, 1, 2, 3, 4, 5, 6,
],
vec![
0b0001_0010, 0,
0b0111_1010, 0b0000_0101, 1, 2, 3, 4, 5,
],
vec![
0b0011_0010, 0b0000_1010, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
],
];
init();
let mut h = Harness::new("rtpav1depay");
h.play();
let caps = Caps::builder("application/x-rtp")
.field("media", "video")
.field("payload", 96)
.field("clock-rate", 90000)
.field("encoding-name", "AV1")
.build();
h.set_src_caps(caps);
for (idx, (bytes, marker, timestamp)) in test_packets.iter().enumerate() {
let mut buf = Buffer::new_rtp_with_sizes(bytes.len() as u32, 0, 0).unwrap();
{
let buf_mut = buf.get_mut().unwrap();
let mut rtp_mut = RTPBuffer::from_buffer_writable(buf_mut).unwrap();
rtp_mut.set_marker(*marker);
rtp_mut.set_timestamp(*timestamp);
rtp_mut.set_payload_type(96);
rtp_mut.set_seq(idx as u16);
rtp_mut.payload_mut().unwrap().copy_from_slice(bytes);
}
h.push(buf).unwrap();
}
h.push_event(Eos::new());
for (idx, ex) in expected.iter().enumerate() {
println!("checking buffer {idx}...");
let buffer = h.pull().unwrap();
let actual = buffer.into_mapped_buffer_readable().unwrap();
assert_eq!(actual.as_slice(), ex.as_slice());
}
}
#[test]
#[rustfmt::skip]
fn test_payloader() {
let test_buffers: [(u64, Vec<u8>); 3] = [
(
0,
vec![ // this should result in exactly 25 bytes for the RTP payload
0b0001_0010, 0,
0b0011_0010, 0b0000_1100, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
0b0011_0010, 0b0000_1001, 1, 2, 3, 4, 5, 6, 7, 8, 9,
],
), (
0,
vec![ // these all have to go in separate packets since their IDs mismatch
0b0111_1010, 0b0000_0100, 1, 2, 3, 4,
0b0011_0110, 0b0010_1000, 0b0000_0101, 1, 2, 3, 4, 5,
0b0011_0110, 0b0100_1000, 0b0000_0001, 1,
],
), (
1_000_000_000,
vec![
0b0001_0010, 0,
0b0011_0010, 0b0000_0100, 1, 2, 3, 4,
]
)
];
let expected = [
(
false, // marker bit
0, // relative RTP timestamp
vec![ // payload bytes
0b0010_1000,
0b0000_1101, 0b0011_0000, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
0b0011_0000, 1, 2, 3, 4, 5, 6, 7, 8, 9,
],
), (
false,
0,
vec![
0b0001_0000,
0b0111_1000, 1, 2, 3, 4,
]
), (
false,
0,
vec![
0b0001_0000,
0b0011_0100, 0b0010_1000, 1, 2, 3, 4, 5,
]
), (
true,
0,
vec![
0b0001_0000,
0b0011_0100, 0b0100_1000, 1,
]
), (
true, // because of EOS
90_000,
vec![
0b0001_0000,
0b0011_0000, 1, 2, 3, 4,
]
)
];
init();
let mut h = Harness::new("rtpav1pay");
{
let pay = h.element().unwrap();
pay.set_property(
"mtu",
2022-10-18 16:26:29 +00:00
gst_rtp::calc_packet_len(25, 0, 0)
);
}
h.play();
let caps = Caps::builder("video/x-av1")
.field("parsed", true)
.field("stream-format", "obu-stream")
.field("alignment", "obu")
.build();
h.set_src_caps(caps);
for (pts, bytes) in &test_buffers {
let mut buffer = Buffer::with_size(bytes.len())
.unwrap()
.into_mapped_buffer_writable()
.unwrap();
buffer.copy_from_slice(bytes);
let mut buffer = buffer.into_buffer();
buffer.get_mut().unwrap().set_pts(ClockTime::try_from(*pts).unwrap());
h.push(buffer).unwrap();
}
h.push_event(Eos::new());
let mut base_ts = None;
for (idx, (marker, ts_offset, payload)) in expected.iter().enumerate() {
println!("checking packet {idx}...");
let buffer = h.pull().unwrap();
let packet = RTPBuffer::from_buffer_readable(&buffer).unwrap();
if base_ts.is_none() {
base_ts = Some(packet.timestamp());
}
assert_eq!(packet.payload().unwrap(), payload.as_slice());
assert_eq!(packet.is_marker(), *marker);
assert_eq!(packet.timestamp(), base_ts.unwrap() + ts_offset);
}
}