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tutorials: Improve code of tutorial 3 a bit by removing unneeded downgrades and

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using closure parameters instead of capturing variables
This commit is contained in:
Guillaume Gomez 2020-07-10 10:32:49 +02:00
parent 0db75a5186
commit 7d28106c2e
1 changed files with 2 additions and 14 deletions
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16
tutorials/src/bin/basic-tutorial-3.rs
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@ -32,23 +32,11 @@ fn tutorial_main() {
.expect("Can't set uri property on uridecodebin"); .expect("Can't set uri property on uridecodebin");
// Connect the pad-added signal // Connect the pad-added signal
let pipeline_weak = pipeline.downgrade(); source.connect_pad_added(move |src, src_pad| {
let convert_weak = convert.downgrade();
source.connect_pad_added(move |_, src_pad| {
let pipeline = match pipeline_weak.upgrade() {
Some(pipeline) => pipeline,
None => return,
};
let convert = match convert_weak.upgrade() {
Some(convert) => convert,
None => return,
};
println!( println!(
"Received new pad {} from {}", "Received new pad {} from {}",
src_pad.get_name(), src_pad.get_name(),
pipeline.get_name() src.get_name()
); );
let sink_pad = convert let sink_pad = convert