feat: Added PipelineExt trait for all Children of Pipelines

gst/src/plugins/app/appsink.rs

@@ -23,7 +23,6 @@ impl AppSink {
     }
 
     pub fn with_caps(mut self, caps: Caps) -> Self {
-        use gstreamer::prelude::*;
         self.inner.set_property("caps", caps.inner);
         self
     }
@@ -34,7 +33,6 @@ impl AppSink {
     }
 
     pub fn pull_sample(&self) -> Result<Sample> {
-        use gstreamer::prelude::*;
         self.appsink()
             .pull_sample()
             .change_context(Error)
@@ -45,7 +43,6 @@ impl AppSink {
         &self,
         timeout: impl Into<Option<core::time::Duration>>,
     ) -> Result<Option<Sample>> {
-        use gstreamer::prelude::*;
         Ok(self
             .appsink()
             .try_pull_sample(duration_to_clocktime(timeout)?)
@@ -53,7 +50,6 @@ impl AppSink {
     }
 
     pub fn pull_preroll(&self) -> Result<Sample> {
-        use gstreamer::prelude::*;
         self.appsink()
             .pull_preroll()
             .change_context(Error)
@@ -65,7 +61,6 @@ impl AppSink {
         &self,
         timeout: impl Into<Option<core::time::Duration>>,
     ) -> Result<Option<Sample>> {
-        use gstreamer::prelude::*;
         Ok(self
             .appsink()
             .try_pull_preroll(duration_to_clocktime(timeout)?)