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livesync: Extract audio_info_from_caps

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And adjust it slightly so it never panics.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/merge_requests/1083>
This commit is contained in:
Jan Alexander Steffens (heftig) 2023-02-08 16:41:53 +01:00
parent c971c4d1d5
commit f03ee95bf0
1 changed files with 11 additions and 12 deletions
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23
utils/livesync/src/livesync/imp.rs
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@ -27,6 +27,15 @@ static CAT: Lazy<gst::DebugCategory> = Lazy::new(|| {
)
});
fn audio_info_from_caps(
caps: &gst::CapsRef,
) -> Result<Option<gst_audio::AudioInfo>, glib::BoolError> {
caps.structure(0)
.map_or(false, |s| s.has_name("audio/x-raw"))
.then(|| gst_audio::AudioInfo::from_caps(caps))
.transpose()
}
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
enum BufferLateness {
OnTime,
@ -631,13 +640,7 @@ impl LiveSync {
gst::EventView::Caps(c) => {
let caps = c.caps_owned();
let audio_info = match caps
.structure(0)
.unwrap()
.has_name("audio/x-raw")
.then(|| gst_audio::AudioInfo::from_caps(&caps))
.transpose()
{
let audio_info = match audio_info_from_caps(&caps) {
Ok(ai) => ai,
Err(e) => {
gst::error!(CAT, imp: self, "Failed to parse audio caps: {}", e);
@ -1092,11 +1095,7 @@ impl LiveSync {
MutexGuard::unlocked(&mut state, || self.srcpad.push_event(event));
state.srcresult?;
state.out_audio_info = caps
.structure(0)
.unwrap()
.has_name("audio/x-raw")
.then(|| gst_audio::AudioInfo::from_caps(&caps).unwrap());
state.out_audio_info = audio_info_from_caps(&caps).unwrap();
}
if let Some(segment) = segment {