Use while-let and CLOCK_TIME_NONE for the bus.timed_pop() loops in the examples/tutorials

examples/src/bin/appsink.rs

@@ -6,7 +6,6 @@ extern crate gstreamer_audio as gst_audio;
 extern crate byte_slice_cast;
 use byte_slice_cast::*;
 
-use std::u64;
 use std::i16;
 use std::i32;
 
@@ -90,14 +89,9 @@ fn main_loop() -> Result<(), utils::ExampleError> {
         .get_bus()
         .expect("Pipeline without bus. Shouldn't happen!");
 
-    loop {
+    while let Some(msg) = bus.timed_pop(gst::CLOCK_TIME_NONE) {
         use gst::MessageView;
 
-        let msg = match bus.timed_pop(u64::MAX) {
-            None => break,
-            Some(msg) => msg,
-        };
-
         match msg.view() {
             MessageView::Eos(..) => break,
             MessageView::Error(err) => {

examples/src/bin/appsrc.rs

@@ -3,7 +3,6 @@ use gst::prelude::*;
 extern crate gstreamer_app as gst_app;
 extern crate gstreamer_video as gst_video;
 
-use std::u64;
 use std::thread;
 
 pub mod utils;
@@ -83,14 +82,9 @@ fn main_loop() -> Result<(), utils::ExampleError> {
         .get_bus()
         .expect("Pipeline without bus. Shouldn't happen!");
 
-    loop {
+    while let Some(msg) = bus.timed_pop(gst::CLOCK_TIME_NONE) {
         use gst::MessageView;
 
-        let msg = match bus.timed_pop(u64::MAX) {
-            None => break,
-            Some(msg) => msg,
-        };
-
         match msg.view() {
             MessageView::Eos(..) => break,
             MessageView::Error(err) => {

examples/src/bin/decodebin.rs

@@ -4,7 +4,6 @@ use gst::prelude::*;
 extern crate glib;
 
 use std::env;
-use std::u64;
 
 fn main() {
     gst::init().unwrap();
@@ -81,14 +80,9 @@ fn main() {
 
     let bus = pipeline.get_bus().unwrap();
 
-    loop {
+    while let Some(msg) = bus.timed_pop(gst::CLOCK_TIME_NONE) {
         use gst::MessageView;
 
-        let msg = match bus.timed_pop(u64::MAX) {
-            None => break,
-            Some(msg) => msg,
-        };
-
         match msg.view() {
             MessageView::Eos(..) => break,
             MessageView::Error(err) => {

examples/src/bin/launch.rs

 extern crate gstreamer as gst;
 use gst::prelude::*;
 
-use std::u64;
 use std::env;
 use std::process;
 
@@ -29,14 +28,9 @@ fn main() {
     let ret = pipeline.set_state(gst::State::Playing);
     assert_ne!(ret, gst::StateChangeReturn::Failure);
 
-    loop {
+    while let Some(msg) = bus.timed_pop(gst::CLOCK_TIME_NONE) {
         use gst::MessageView;
 
-        let msg = match bus.timed_pop(u64::MAX) {
-            None => break,
-            Some(msg) => msg,
-        };
-
         match msg.view() {
             MessageView::Eos(..) => break,
             MessageView::Error(err) => {

examples/src/bin/pad_probes.rs

@@ -5,7 +5,6 @@ extern crate gstreamer_audio as gst_audio;
 extern crate byte_slice_cast;
 use byte_slice_cast::*;
 
-use std::u64;
 use std::i16;
 
 fn main() {
@@ -51,14 +50,9 @@ fn main() {
     let ret = pipeline.set_state(gst::State::Playing);
     assert_ne!(ret, gst::StateChangeReturn::Failure);
 
-    loop {
+    while let Some(msg) = bus.timed_pop(gst::CLOCK_TIME_NONE) {
         use gst::MessageView;
 
-        let msg = match bus.timed_pop(u64::MAX) {
-            None => break,
-            Some(msg) => msg,
-        };
-
         match msg.view() {
             MessageView::Eos(..) => break,
             MessageView::Error(err) => {

examples/src/bin/playbin.rs

@@ -4,7 +4,6 @@ use gst::prelude::*;
 extern crate glib;
 
 use std::env;
-use std::u64;
 
 fn main() {
     gst::init().unwrap();
@@ -65,14 +64,9 @@ fn main() {
     let ret = playbin.set_state(gst::State::Playing);
     assert_ne!(ret, gst::StateChangeReturn::Failure);
 
-    loop {
+    while let Some(msg) = bus.timed_pop(gst::CLOCK_TIME_NONE) {
         use gst::MessageView;
 
-        let msg = match bus.timed_pop(u64::MAX) {
-            None => break,
-            Some(msg) => msg,
-        };
-
         match msg.view() {
             MessageView::Eos(..) => break,
             MessageView::Error(err) => {

examples/src/bin/toc.rs

@@ -4,7 +4,6 @@ use gst::prelude::*;
 extern crate glib;
 
 use std::env;
-use std::u64;
 
 fn main() {
     gst::init().unwrap();
@@ -52,14 +51,9 @@ fn main() {
 
     let bus = pipeline.get_bus().unwrap();
 
-    loop {
+    while let Some(msg) = bus.timed_pop(gst::CLOCK_TIME_NONE) {
         use gst::MessageView;
 
-        let msg = match bus.timed_pop(u64::MAX) {
-            None => break,
-            Some(msg) => msg,
-        };
-
         match msg.view() {
             MessageView::Eos(_) | MessageView::AsyncDone(_) => break,
             MessageView::Error(err) => {

tutorials/src/bin/basic-tutorial-1.rs

 extern crate gstreamer as gst;
 use gst::prelude::*;
 
-use std::u64;
-
 fn main() {
     // Initialize GStreamer
     gst::init().unwrap();
@@ -17,14 +15,9 @@ fn main() {
 
     // Wait until error or EOS
     let bus = pipeline.get_bus().unwrap();
-    loop {
+    while let Some(msg) = bus.timed_pop(gst::CLOCK_TIME_NONE) {
         use gst::MessageView;
 
-        let msg = match bus.timed_pop(u64::MAX) {
-            None => break,
-            Some(msg) => msg,
-        };
-
         match msg.view() {
             MessageView::Eos(..) => break,
             MessageView::Error(err) => {