forked from mirrors/gstreamer-rs
Remove utils module from examples
It's unused now
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1 changed files with 0 additions and 64 deletions
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@ -1,64 +0,0 @@
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extern crate gstreamer as gst;
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use gst::prelude::*;
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extern crate glib;
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use std::fmt;
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#[derive(Debug, Clone)]
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pub enum ExampleError {
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InitFailed(glib::Error),
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ElementNotFound(&'static str),
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ElementLinkFailed(::std::string::String, ::std::string::String),
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SetStateError(::std::string::String),
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ElementError(::std::string::String, glib::Error, ::std::string::String),
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MissingFeature(&'static str),
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}
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impl fmt::Display for ExampleError {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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match *self {
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ExampleError::InitFailed(ref e) => {
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write!(f, "GStreamer initialization failed: {:?}", e)
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}
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ExampleError::ElementNotFound(e) => write!(f, "Element {} not found", e),
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ExampleError::ElementLinkFailed(ref e1, ref e2) => {
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write!(f, "Link failed between {} and {}", e1, e2)
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}
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ExampleError::SetStateError(ref state) => {
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write!(f, "Pipeline failed to switch to state {}", state)
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}
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ExampleError::ElementError(ref element, ref err, ref debug) => {
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write!(f, "Error from {}: {} ({:?})", element, err, debug)
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}
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ExampleError::MissingFeature(feature) => write!(
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f,
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"Feature {} is required. Please rebuild with --features {}",
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feature,
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feature
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),
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}
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}
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}
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pub fn create_element(name: &'static str) -> Result<gst::Element, ExampleError> {
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gst::ElementFactory::make(name, None).ok_or_else(|| ExampleError::ElementNotFound(name))
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}
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pub fn link_elements(e1: &gst::Element, e2: &gst::Element) -> Result<(), ExampleError> {
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match gst::Element::link(e1, e2) {
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Ok(o) => Ok(o),
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Err(_) => Err(ExampleError::ElementLinkFailed(
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e1.get_name(),
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e2.get_name(),
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)),
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}
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}
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pub fn set_state(e: &gst::Pipeline, state: gst::State) -> Result<(), ExampleError> {
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if let gst::StateChangeReturn::Failure = e.set_state(state) {
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return Err(ExampleError::SetStateError(
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gst::Element::state_get_name(state).unwrap(),
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));
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}
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Ok(())
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}
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