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fallbackswitch: Allow using compressed video in the example application

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Sebastian Dröge 2019-09-18 14:33:53 +03:00 committed by Sebastian Dröge
parent a6812d852f
commit e708e42dcb
1 changed files with 27 additions and 6 deletions
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33
gst-plugin-fallbackswitch/examples/gtk_fallbackswitch.rs
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@ -30,22 +30,42 @@ use gtk::prelude::*;
use std::cell::RefCell;
use std::env;
const MAIN_PIPELINE: &str = "videotestsrc is-live=true pattern=ball";
const FALLBACK_PIPELINE: &str = "videotestsrc is-live=true pattern=snow";
//const MAIN_PIPELINE: &str = "videotestsrc is-live=true pattern=ball ! x264enc tune=zerolatency";
//const FALLBACK_PIPELINE: &str = "videotestsrc is-live=true pattern=snow ! x264enc tune=zerolatency";
fn create_pipeline() -> (gst::Pipeline, gst::Pad, gst::Element, gtk::Widget) {
let pipeline = gst::Pipeline::new(None);
let video_src = gst::ElementFactory::make("videotestsrc", None).unwrap();
video_src.set_property("is-live", &true).unwrap();
video_src.set_property_from_str("pattern", "ball");
let fallback_video_src = gst::ElementFactory::make("videotestsrc", None).unwrap();
let video_src = gst::parse_bin_from_description(MAIN_PIPELINE, true)
.unwrap()
.upcast();
let fallback_video_src = gst::parse_bin_from_description(&FALLBACK_PIPELINE, true)
.unwrap()
.upcast();
let fallbackswitch = gst::ElementFactory::make("fallbackswitch", None).unwrap();
fallbackswitch
.set_property("timeout", &gst::SECOND)
.unwrap();
let decodebin = gst::ElementFactory::make("decodebin", None).unwrap();
let videoconvert = gst::ElementFactory::make("videoconvert", None).unwrap();
let videoconvert_clone = videoconvert.clone();
decodebin.connect_pad_added(move |_, pad| {
let caps = pad.get_current_caps().unwrap();
let s = caps.get_structure(0).unwrap();
let sinkpad = videoconvert_clone.get_static_pad("sink").unwrap();
if s.get_name() == "video/x-raw" && !sinkpad.is_linked() {
pad.link(&sinkpad).unwrap();
}
});
let (video_sink, video_widget) =
//if let Some(gtkglsink) = gst::ElementFactory::make("gtkglsink", None) {
// let glsinkbin = gst::ElementFactory::make("glsinkbin", None).unwrap();
@ -65,6 +85,7 @@ fn create_pipeline() -> (gst::Pipeline, gst::Pad, gst::Element, gtk::Widget) {
&video_src,
&fallback_video_src,
&fallbackswitch,
&decodebin,
&videoconvert,
&video_sink,
])
@ -77,7 +98,7 @@ fn create_pipeline() -> (gst::Pipeline, gst::Pad, gst::Element, gtk::Widget) {
.link_pads(Some("src"), &fallbackswitch, Some("fallback_sink"))
.unwrap();
fallbackswitch
.link_pads(Some("src"), &videoconvert, Some("sink"))
.link_pads(Some("src"), &decodebin, Some("sink"))
.unwrap();
videoconvert
.link_pads(Some("src"), &video_sink, Some("sink"))