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pbutils: Move DiscovererStreamInfo iterators to an extension trait

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This way it can also be called directly on subclasses.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1273>
This commit is contained in:
Sebastian Dröge 2023-06-06 14:09:48 +03:00
parent 2becc79dfb
commit b89b135c93
2 changed files with 11 additions and 5 deletions
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15
gstreamer-pbutils/src/discoverer_stream_info.rs
View file

@ -28,20 +28,25 @@ impl Iterator for Iter {
}
}
impl DiscovererStreamInfo {
pub fn next_iter(&self) -> Iter {
impl std::iter::FusedIterator for Iter {}
pub trait DiscovererStreamInfoExtManual: 'static {
fn next_iter(&self) -> Iter;
fn previous_iter(&self) -> Iter;
}
impl<O: IsA<DiscovererStreamInfo>> DiscovererStreamInfoExtManual for O {
fn next_iter(&self) -> Iter {
Iter {
stream_info: self.next(),
direction_forward: true,
}
}
pub fn previous_iter(&self) -> Iter {
fn previous_iter(&self) -> Iter {
Iter {
stream_info: self.previous(),
direction_forward: false,
}
}
}
impl std::iter::FusedIterator for Iter {}

1
gstreamer-pbutils/src/lib.rs
View file

@ -62,6 +62,7 @@ pub mod prelude {
pub use crate::{
audio_visualizer::*,
auto::traits::*,
discoverer_stream_info::DiscovererStreamInfoExtManual,
encoding_profile::{
EncodingProfileBuilder, EncodingProfileExtManual, EncodingProfileHasRestrictionGetter,
},