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rtp: tests: add functionality to drop RTP packets after payloading

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Add ExpectedPacket::drop() to flag RTP packets that should not
be forwarded to the depayloader.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/merge_requests/1580>
This commit is contained in:
Tim-Philipp Müller 2024-05-20 16:16:29 +01:00
parent de71e9dadd
commit 92a1e222f4
1 changed files with 65 additions and 1 deletions
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66
net/rtp/src/tests.rs
View file

@ -25,6 +25,8 @@ pub struct ExpectedPacket {
pub pt: u8,
pub rtp_time: u32,
pub marker: bool,
/// Whether to drop the packet instead of forwarding it to the depayloader
pub drop: bool,
}
impl ExpectedPacket {
@ -38,6 +40,7 @@ impl ExpectedPacket {
/// * pt: 96
/// * rtp_time: 0
/// * marker: true
/// * drop: false
pub fn builder() -> ExpectedPacketBuilder {
ExpectedPacketBuilder(ExpectedPacket {
pts: gst::ClockTime::ZERO,
@ -46,6 +49,7 @@ impl ExpectedPacket {
pt: 96,
rtp_time: 0,
marker: true,
drop: false,
})
}
}
@ -82,6 +86,11 @@ impl ExpectedPacketBuilder {
self
}
pub fn drop(mut self, drop: bool) -> Self {
self.0.drop = drop;
self
}
pub fn build(self) -> ExpectedPacket {
self.0
}
@ -249,6 +258,7 @@ pub fn run_test_pipeline_full(
.add_probe(
gst::PadProbeType::BUFFER | gst::PadProbeType::BUFFER_LIST,
{
let expected_pay_iter = Mutex::new(expected_pay.clone().into_iter());
let pay_samples = pay_samples.clone();
move |pad, info| {
let segment_event = pad.sticky_event::<gst::event::Segment>(0).unwrap();
@ -267,7 +277,61 @@ pub fn run_test_pipeline_full(
pay_samples.lock().unwrap().push(sample_builder.build());
gst::PadProbeReturn::Ok
// Check if we need to drop anything
let expected_packets = expected_pay_iter
.lock()
.unwrap()
.next()
.expect("Expected packets?!");
let drop_count = expected_packets
.iter()
.filter(|exp_pkt| exp_pkt.drop)
.count();
let probe_return = if drop_count > 0 {
match info.mask
& (gst::PadProbeType::BUFFER | gst::PadProbeType::BUFFER_LIST)
{
gst::PadProbeType::BUFFER => {
assert_eq!(expected_packets.len(), 1);
gst::PadProbeReturn::Drop
}
gst::PadProbeType::BUFFER_LIST => {
let list = info.buffer_list_mut().unwrap();
if drop_count == list.len() {
gst::PadProbeReturn::Drop
} else {
assert_eq!(expected_packets.len(), list.len());
// Copy buffers we want to keep into a new buffer list ..
let decimated_list = list
.iter()
.enumerate()
.filter_map(|(n, buf)| {
let keep = !expected_packets[n].drop;
keep.then_some(buf.to_owned())
})
.collect::<gst::BufferList>();
// .. and install that into the PadProbeInfo
*list = decimated_list;
assert_eq!(expected_packets.len(), list.len() + drop_count);
gst::PadProbeReturn::Ok
}
}
_ => unreachable!(
"Expected only buffer or buffer list!, mask={:?}",
info.mask
),
}
} else {
gst::PadProbeReturn::Ok
};
probe_return
}
},
)