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audio: Add AudioInfo::is_valid() and guard against finfo being NULL when retrieving the audio format

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This commit is contained in:
Sebastian Dröge 2020-06-07 14:14:09 +03:00
parent cf33e0acd0
commit be00953ec6
1 changed files with 8 additions and 0 deletions
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8
gstreamer-audio/src/audio_info.rs
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@ -151,6 +151,10 @@ impl AudioInfo {
}
}
pub fn is_valid(&self) -> bool {
!self.0.finfo.is_null() && self.0.channels > 0 && self.0.rate > 0 && self.0.bpf > 0
}
pub fn from_caps(caps: &gst::CapsRef) -> Result<AudioInfo, glib::error::BoolError> {
skip_assert_initialized!();
@ -230,6 +234,10 @@ impl AudioInfo {
}
pub fn format(&self) -> ::AudioFormat {
if self.0.finfo.is_null() {
return ::AudioFormat::Unknown;
}
unsafe { from_glib((*self.0.finfo).format) }
}