A complete program that can play back a file
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parent
ee56513299
commit
04a6e607a3
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@ -1,49 +1,103 @@
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use gstreamer::prelude::*;
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use gstreamer::{prelude::*, Element, Pad};
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use pipewire::{context::Context, main_loop::MainLoop};
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use pipewire::{context::Context, main_loop::MainLoop};
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fn main() {
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fn main() {
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gstreamer::init();
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gstreamer::init();
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// let srcfactory = gstreamer::ElementFactory::find("filesrc").unwrap().load().unwrap();
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// let srcfactory = gstreamer::ElementFactory::find("filesrc").unwrap().load().unwrap();
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let srcfactory = gstreamer::ElementFactory::find("videotestsrc")
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let source = gstreamer::ElementFactory::find("filesrc")
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.unwrap()
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.unwrap()
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.load()
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.load()
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.unwrap()
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.create()
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.name("source")
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.property(
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"location",
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"/home/savanni/Music/tavern-music.ogg",
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)
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// .property(
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// "location",
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// "/home/savanni/Music/Night at Work _ Instrumental Chill Music Mix [n9Y2Eb4BaSg].m4a",
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// )
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.build()
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.unwrap();
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.unwrap();
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let sinkfactory = gstreamer::ElementFactory::find("autovideosink")
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let decoder = gstreamer::ElementFactory::find("decodebin")
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.unwrap()
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.unwrap()
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.load()
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.load()
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.unwrap()
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.create()
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.name("decoder")
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.build()
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.unwrap();
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.unwrap();
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let video_effect = gstreamer::ElementFactory::find("vertigotv")
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let sink = gstreamer::ElementFactory::find("autoaudiosink")
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.unwrap()
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.unwrap()
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.load()
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.load()
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.unwrap()
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.create()
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.name("sink")
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.build()
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.unwrap();
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let convert = gstreamer::ElementFactory::find("audioconvert")
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.unwrap()
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.load()
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.unwrap()
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.create()
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.name("convert")
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.build()
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.unwrap();
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let resample = gstreamer::ElementFactory::find("audioresample")
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.unwrap()
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.load()
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.unwrap()
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.create()
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.name("resample")
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.build()
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.unwrap();
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.unwrap();
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println!("source factory type: {:?}", srcfactory.element_type());
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println!("sink factory type: {:?}", sinkfactory.element_type());
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println!("video factory type: {:?}", video_effect.element_type());
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let source = srcfactory.create().name("source").build().unwrap();
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let sink = sinkfactory.create().name("sink").build().unwrap();
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let filter = video_effect.create().name("filter").build().unwrap();
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// let source = gstreamer::ElementFactory::make("videotestsrc");
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// let sink = gstreamer::ElementFactory::make("autovideosink");
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let pipeline = gstreamer::Pipeline::new();
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let pipeline = gstreamer::Pipeline::new();
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pipeline.add(&source).unwrap();
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pipeline.add(&source).unwrap();
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pipeline.add(&sink).unwrap();
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pipeline.add(&sink).unwrap();
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pipeline.add(&filter).unwrap();
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pipeline.add(&decoder).unwrap();
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source.link(&filter).unwrap();
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pipeline.add(&convert).unwrap();
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filter.link(&sink).unwrap();
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pipeline.add(&resample).unwrap();
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source.link(&decoder).unwrap();
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convert.link(&resample).unwrap();
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resample.link(&sink).unwrap();
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decoder.connect_pad_added(move |element, pad| handle_pad_added(element, pad, &convert));
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/*
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println!("source: {:?}", source);
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source.foreach_pad(|_, pad| {
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println!("\tpad: {:?} {}, {:?}", pad, pad.name(), pad.direction());
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true
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});
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let source_pad = source.get_pad(pad.name());
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source_pad
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*/
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// source.connect_pad_added(handle_pad_added);
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// source.link(&convert).unwrap();
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pipeline.set_state(gstreamer::State::Playing).unwrap();
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pipeline.set_state(gstreamer::State::Playing).unwrap();
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let bus = pipeline.bus().unwrap();
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let bus = pipeline.bus().unwrap();
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let msg = bus.timed_pop_filtered(
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// let msg = bus.timed_pop_filtered(
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gstreamer::ClockTime::NONE,
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// gstreamer::ClockTime::NONE,
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&[gstreamer::MessageType::Error, gstreamer::MessageType::Eos],
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// &[gstreamer::MessageType::Error, gstreamer::MessageType::Eos],
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);
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// );
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while let Some(msg) = bus.timed_pop(gstreamer::ClockTime::NONE) {
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println!("message: {:?}", msg);
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}
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println!("message: {:?}", msg);
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pipeline.set_state(gstreamer::State::Null).unwrap();
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}
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pipeline.set_state(gstreamer::State::Null);
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fn handle_pad_added(element: &Element, pad: &Pad, converter: &Element) {
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println!("handle_pad_added");
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println!("\t{:?}", element);
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println!("\t{:?}, {:?}", pad, pad.current_caps());
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let converter_pad = converter.static_pad("sink").unwrap();
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pad.link(&converter_pad).unwrap();
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}
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}
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