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Update transform_caps signature

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See !223
This commit is contained in:
François Laignel 2019-02-01 15:18:50 +01:00
parent 9db02cb55e
commit 288596b7a2
1 changed files with 3 additions and 3 deletions
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6
gst-plugin-tutorial/src/rgb2gray.rs
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@ -309,7 +309,7 @@ impl BaseTransformImpl for Rgb2Gray {
direction: gst::PadDirection,
caps: &gst::Caps,
filter: Option<&gst::Caps>,
) -> gst::Caps {
) -> Option<gst::Caps> {
let other_caps = if direction == gst::PadDirection::Src {
// For src to sink, no matter if we get asked for BGRx or GRAY8 caps, we can only
// accept corresponding BGRx caps on the sinkpad. We will only ever get BGRx and GRAY8
@ -354,9 +354,9 @@ impl BaseTransformImpl for Rgb2Gray {
// In the end we need to filter the caps through an optional filter caps to get rid of any
// unwanted caps.
if let Some(filter) = filter {
filter.intersect_with_mode(&other_caps, gst::CapsIntersectMode::First)
Some(filter.intersect_with_mode(&other_caps, gst::CapsIntersectMode::First))
} else {
other_caps
Some(other_caps)
}
}