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net/webrtc: whipserver example

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extend the example to support both audio and video conversions

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/merge_requests/1938>
This commit is contained in:
Diego Nieto 2024-11-25 19:46:03 +01:00
parent 347bee16d4
commit 0135aea9e4
1 changed files with 25 additions and 4 deletions
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29
net/webrtc/examples/whipserver.rs
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@ -14,17 +14,24 @@ fn link_video(pad: &gst::Pad, pipeline: &gst::Pipeline) {
.name(format!("queue_{}", pad.name()))
.build()
.unwrap();
let vc = gst::ElementFactory::make("videoconvert")
.name(format!("videoconvert_{}", pad.name()))
.build()
.unwrap();
let vsink = gst::ElementFactory::make("autovideosink")
.name(format!("vsink_{}", pad.name()))
.build()
.unwrap();
pipeline.add_many([&q, &vsink]).unwrap();
gst::Element::link_many([&q, &vsink]).unwrap();
pipeline.add_many([&q, &vc, &vsink]).unwrap();
gst::Element::link_many([&q, &vc, &vsink]).unwrap();
let qsinkpad = q.static_pad("sink").unwrap();
pad.link(&qsinkpad).expect("linking should work");
q.sync_state_with_parent().unwrap();
vc.sync_state_with_parent().unwrap();
vsink.sync_state_with_parent().unwrap();
}
@ -32,11 +39,15 @@ fn unlink_video(pad: &gst::Pad, pipeline: &gst::Pipeline) {
let q = pipeline
.by_name(format!("queue_{}", pad.name()).as_str())
.unwrap();
let vc = pipeline
.by_name(format!("videoconvert_{}", pad.name()).as_str())
.unwrap();
let vsink = pipeline
.by_name(format!("vsink_{}", pad.name()).as_str())
.unwrap();
q.set_state(gst::State::Null).unwrap();
vc.set_state(gst::State::Null).unwrap();
vsink.set_state(gst::State::Null).unwrap();
pipeline.remove_many([&q, &vsink]).unwrap();
@ -48,17 +59,23 @@ fn link_audio(pad: &gst::Pad, pipeline: &gst::Pipeline) {
.build()
.unwrap();
let ac = gst::ElementFactory::make("audioconvert")
.name(format!("audioconvert_{}", pad.name()))
.build()
.unwrap();
let asink = gst::ElementFactory::make("autoaudiosink")
.name(format!("asink_{}", pad.name()))
.build()
.unwrap();
pipeline.add_many([&aq, &asink]).unwrap();
gst::Element::link_many([&aq, &asink]).unwrap();
pipeline.add_many([&aq, &ac, &asink]).unwrap();
gst::Element::link_many([&aq, &ac, &asink]).unwrap();
let qsinkpad = aq.static_pad("sink").unwrap();
pad.link(&qsinkpad).expect("linking should work");
aq.sync_state_with_parent().unwrap();
ac.sync_state_with_parent().unwrap();
asink.sync_state_with_parent().unwrap();
}
@ -66,11 +83,15 @@ fn unlink_audio(pad: &gst::Pad, pipeline: &gst::Pipeline) {
let aq = pipeline
.by_name(format!("aqueue_{}", pad.name()).as_str())
.unwrap();
let ac = pipeline
.by_name(format!("audioconvert_{}", pad.name()).as_str())
.unwrap();
let asink = pipeline
.by_name(format!("asink_{}", pad.name()).as_str())
.unwrap();
aq.set_state(gst::State::Null).unwrap();
ac.set_state(gst::State::Null).unwrap();
asink.set_state(gst::State::Null).unwrap();
pipeline.remove_many([&aq, &asink]).unwrap();