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Add VideoInfo::convert()

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This commit is contained in:
Sebastian Dröge 2017-08-11 12:54:01 +03:00
parent b08980cd5e
commit 18871110cd
1 changed files with 22 additions and 0 deletions
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22
gstreamer-video/src/video_info.rs
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@ -540,6 +540,28 @@ impl VideoInfo {
pub fn n_components(&self) -> u32 {
self.format_info().n_components()
}
pub fn convert(
&self,
src_fmt: gst::Format,
src_val: i64,
dest_fmt: gst::Format,
) -> Option<i64> {
unsafe {
let mut dest_val = mem::uninitialized();
if from_glib(ffi::gst_video_info_convert(
&self.0 as *const _ as *mut _,
src_fmt.to_glib(),
src_val,
dest_fmt.to_glib(),
&mut dest_val,
)) {
Some(dest_val)
} else {
None
}
}
}
}
impl Clone for VideoInfo {