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fallbacksrc: Remove imagefreeze if it becomes unneeded

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This commit is contained in:
Sebastian Dröge 2022-04-12 14:37:29 +03:00
parent 874063668b
commit 7233d6936c
1 changed files with 22 additions and 5 deletions
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17
utils/fallbackswitch/src/fallbacksrc/imp.rs
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@ -123,6 +123,9 @@ struct Stream {
// clocksync for source source pad
clocksync: gst::Element,
// imagefreeze if this is an image stream
imagefreeze: Option<gst::Element>,
clocksync_queue: gst::Element,
clocksync_queue_srcpad: gst::Pad,
@ -983,6 +986,7 @@ impl FallbackSrc {
source_srcpad: None,
source_srcpad_block: None,
clocksync,
imagefreeze: None,
clocksync_queue_srcpad: clocksync_queue.static_pad("src").unwrap(),
clocksync_queue,
switch,
@ -1318,12 +1322,19 @@ impl FallbackSrc {
};
let sinkpad = if is_image {
let imagefreeze = if let Some(ref imagefreeze) = stream.imagefreeze {
imagefreeze
} else {
let imagefreeze =
gst::ElementFactory::make("imagefreeze", None).expect("no imagefreeze found");
gst::debug!(CAT, "image stream, inserting imagefreeze");
element.add(&imagefreeze).unwrap();
imagefreeze.set_property("is-live", true);
stream.imagefreeze = Some(imagefreeze);
stream.imagefreeze.as_ref().unwrap()
};
if imagefreeze.sync_state_with_parent().is_err() {
gst::error!(CAT, obj: element, "imagefreeze failed to change state",);
return Err(gst::error_msg!(
@ -1334,6 +1345,12 @@ impl FallbackSrc {
imagefreeze.link(&stream.clocksync_queue).unwrap();
imagefreeze.static_pad("sink").unwrap()
} else {
if let Some(imagefreeze) = stream.imagefreeze.take() {
imagefreeze.set_locked_state(true);
let _ = imagefreeze.set_state(gst::State::Null);
element.remove(&imagefreeze).unwrap();
}
stream.clocksync_queue.static_pad("sink").unwrap()
};