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Silence/fix various clippy warnings

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This commit is contained in:
Sebastian Dröge 2019-02-28 10:54:32 +02:00
parent 8c39da4e5b
commit 86a31b4139
23 changed files with 117 additions and 99 deletions
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2
examples/src/bin/decodebin.rs
View file

@ -33,7 +33,7 @@
extern crate gstreamer as gst;
use gst::prelude::*;
#[macro_use]
#[cfg_attr(feature = "v1_10", macro_use)]
extern crate glib;
use std::env;

5
examples/src/bin/discoverer.rs
View file

@ -49,9 +49,8 @@ fn print_tags(info: &DiscovererInfo) {
fn print_stream_info(stream: &DiscovererStreamInfo) {
println!("Stream: ");
match stream.get_stream_id() {
Some(id) => println!(" Stream id: {}", id),
None => {}
if let Some(id) = stream.get_stream_id() {
println!(" Stream id: {}", id);
}
let caps_str = match stream.get_caps() {
Some(caps) => caps.to_string(),

2
examples/src/bin/encodebin.rs
View file

@ -19,7 +19,7 @@ use gst::prelude::*;
extern crate gstreamer_pbutils as gst_pbutils;
use gst_pbutils::prelude::*;
#[macro_use]
#[cfg_attr(feature = "v1_10", macro_use)]
extern crate glib;
use std::env;

17
examples/src/bin/glupload.rs
View file

@ -51,10 +51,6 @@ struct ErrorMessage {
cause: glib::Error,
}
#[derive(Debug, Fail)]
#[fail(display = "Glutin error")]
struct GlutinError();
#[rustfmt::skip]
static VERTICES: [f32; 20] = [
1.0, 1.0, 0.0, 1.0, 0.0,
@ -73,7 +69,7 @@ static IDENTITY: [f32; 16] = [
0.0, 0.0, 0.0, 1.0,
];
const VS_SRC: &'static [u8] = b"
const VS_SRC: &[u8] = b"
uniform mat4 u_transformation;
attribute vec4 a_position;
attribute vec2 a_texcoord;
@ -85,7 +81,7 @@ void main() {
}
\0";
const FS_SRC: &'static [u8] = b"
const FS_SRC: &[u8] = b"
#ifdef GL_ES
precision mediump float;
#endif
@ -97,6 +93,9 @@ void main() {
}
\0";
#[allow(clippy::unreadable_literal)]
#[allow(clippy::unused_unit)]
#[allow(clippy::too_many_arguments)]
mod gl {
pub use self::Gles2 as Gl;
include!(concat!(env!("OUT_DIR"), "/test_gl_bindings.rs"));
@ -315,7 +314,7 @@ fn load(gl_context: &glutin::Context) -> Gl {
};
Gl {
gl: gl,
gl,
program,
attr_position,
attr_texture,
@ -374,6 +373,7 @@ impl App {
unsafe { gst_gl::GLContext::new_wrapped(&gl_display, egl_context, platform, api) }
.unwrap();
#[allow(clippy::single_match)]
bus.set_sync_handler(move |_, msg| {
use gst::MessageView;
@ -417,7 +417,7 @@ impl App {
appsink,
bus,
events_loop: Arc::new(events_loop),
combined_context: combined_context,
combined_context,
})
}
@ -556,6 +556,7 @@ fn main_loop(mut app: App) -> Result<(), Error> {
let events_loop = Arc::get_mut(&mut app.events_loop).unwrap();
let combined_context = app.combined_context.clone();
while running {
#[allow(clippy::single_match)]
events_loop.poll_events(|event| match event {
glutin::Event::WindowEvent { event, .. } => match event {
glutin::WindowEvent::CloseRequested => running = false,

11
examples/src/bin/pango-cairo.rs
View file

@ -170,7 +170,10 @@ fn create_pipeline() -> Result<gst::Pipeline, Error> {
// Calling multiple transformation methods after each other will apply the
// new transformation on top. If you repeat the cr.rotate(angle) line below
// this a second time, everything in the canvas will rotate twice as fast.
cr.translate(info.width() as f64 / 2.0, info.height() as f64 / 2.0);
cr.translate(
f64::from(info.width()) / 2.0,
f64::from(info.height()) / 2.0,
);
cr.rotate(angle);
// This loop will render 10 times the string "GStreamer" in a circle
@ -181,7 +184,7 @@ fn create_pipeline() -> Result<gst::Pipeline, Error> {
// previous transformations.
cr.save();
let angle = (360. * i as f64) / 10.0;
let angle = (360. * f64::from(i)) / 10.0;
let red = (1.0 + f64::cos((angle - 60.0) * PI / 180.0)) / 2.0;
cr.set_source_rgb(red, 0.0, 1.0 - red);
cr.rotate(angle * PI / 180.0);
@ -194,8 +197,8 @@ fn create_pipeline() -> Result<gst::Pipeline, Error> {
// Using width and height of the text, we can properly possition it within
// our canvas.
cr.move_to(
-(width as f64 / pango::SCALE as f64) / 2.0,
-(info.height() as f64) / 2.0,
-(f64::from(width) / f64::from(pango::SCALE)) / 2.0,
-(f64::from(info.height())) / 2.0,
);
// After telling the layout object where to draw itself, we actually tell
// it to draw itself into our cairo context.

7
examples/src/bin/rtpfecclient.rs
View file

@ -270,8 +270,8 @@ fn example_main() -> Result<(), Error> {
}
.into());
}
MessageView::StateChanged(s) => match msg.get_src() {
Some(element) => {
MessageView::StateChanged(s) => {
if let Some(element) = msg.get_src() {
if element == pipeline && s.get_current() == gst::State::Playing {
eprintln!("PLAYING");
gst::debug_bin_to_dot_file(
@ -281,8 +281,7 @@ fn example_main() -> Result<(), Error> {
);
}
}
None => (),
},
}
_ => (),
}
}

7
examples/src/bin/rtpfecserver.rs
View file

@ -201,8 +201,8 @@ fn example_main() -> Result<(), Error> {
}
.into());
}
MessageView::StateChanged(s) => match msg.get_src() {
Some(element) => {
MessageView::StateChanged(s) => {
if let Some(element) = msg.get_src() {
if element == pipeline && s.get_current() == gst::State::Playing {
eprintln!("PLAYING");
gst::debug_bin_to_dot_file(
@ -212,8 +212,7 @@ fn example_main() -> Result<(), Error> {
);
}
}
None => (),
},
}
_ => (),
}
}

1
gstreamer-app/src/app_sink.rs
View file

@ -36,6 +36,7 @@ unsafe impl Send for AppSinkCallbacks {}
unsafe impl Sync for AppSinkCallbacks {}
impl AppSinkCallbacks {
#[allow(clippy::new_ret_no_self)]
pub fn new() -> AppSinkCallbacksBuilder {
skip_assert_initialized!();
AppSinkCallbacksBuilder {

1
gstreamer-app/src/app_src.rs
View file

@ -27,6 +27,7 @@ unsafe impl Send for AppSrcCallbacks {}
unsafe impl Sync for AppSrcCallbacks {}
impl AppSrcCallbacks {
#[allow(clippy::new_ret_no_self)]
pub fn new() -> AppSrcCallbacksBuilder {
skip_assert_initialized!();

8
gstreamer-base/src/flow_combiner.rs
View file

@ -17,12 +17,8 @@ glib_wrapper! {
pub struct FlowCombiner(Shared<ffi::GstFlowCombiner>);
match fn {
ref => |ptr| {
gobject_ffi::g_boxed_copy(ffi::gst_flow_combiner_get_type(), ptr as *mut _)
},
unref => |ptr| {
gobject_ffi::g_boxed_free(ffi::gst_flow_combiner_get_type(), ptr as *mut _)
},
ref => |ptr| gobject_ffi::g_boxed_copy(ffi::gst_flow_combiner_get_type(), ptr as *mut _),
unref => |ptr| gobject_ffi::g_boxed_free(ffi::gst_flow_combiner_get_type(), ptr as *mut _),
get_type => || ffi::gst_flow_combiner_get_type(),
}
}

2
gstreamer-base/src/lib.rs
View file

@ -8,7 +8,7 @@
extern crate glib_sys as glib_ffi;
extern crate gobject_sys as gobject_ffi;
#[macro_use]
#[cfg_attr(feature = "subclassing", macro_use)]
extern crate gstreamer as gst;
extern crate gstreamer_base_sys as ffi;
extern crate gstreamer_sys as gst_ffi;

6
gstreamer-pbutils/src/encoding_profile.rs
View file

@ -298,6 +298,12 @@ pub trait EncodingProfileBuilder<'a>: Sized {
macro_rules! declare_encoding_profile_builder_common(
($name:ident) => {
impl<'a> Default for $name<'a> {
fn default() -> Self {
Self::new()
}
}
impl<'a> EncodingProfileBuilder<'a> for $name<'a> {
fn name(mut self, name: &'a str) -> $name<'a> {
self.base.name = Some(name);

1
gstreamer-video/src/video_meta.rs
View file

@ -42,6 +42,7 @@ impl VideoMeta {
}
}
#[allow(clippy::too_many_arguments)]
pub fn add_full<'a>(
buffer: &'a mut gst::BufferRef,
flags: ::VideoFrameFlags,

2
gstreamer-video/src/video_time_code.rs
View file

@ -39,6 +39,7 @@ impl VideoTimeCode {
}
}
#[allow(clippy::too_many_arguments)]
pub fn new(
fps: gst::Fraction,
latest_daily_jam: Option<&glib::DateTime>,
@ -153,6 +154,7 @@ impl VideoTimeCode {
}
impl ValidVideoTimeCode {
#[allow(clippy::too_many_arguments)]
pub fn new(
fps: gst::Fraction,
latest_daily_jam: Option<&glib::DateTime>,

2
gstreamer/src/caps_features_serde.rs
View file

@ -111,7 +111,7 @@ impl<'de> Visitor<'de> for CapsFeaturesVariantKindsVisitor {
CAPS_FEATURES_VARIANT_ANY_ID => Ok(CapsFeaturesVariantKinds::Any),
CAPS_FEATURES_VARIANT_SOME_ID => Ok(CapsFeaturesVariantKinds::Some),
_ => Err(de::Error::invalid_value(
de::Unexpected::Unsigned(value as u64),
de::Unexpected::Unsigned(u64::from(value)),
&self,
)),
}

2
gstreamer/src/caps_serde.rs
View file

@ -174,7 +174,7 @@ impl<'de> Visitor<'de> for CapsVariantKindsVisitor {
CAPS_VARIANT_EMPTY_ID => Ok(CapsVariantKinds::Empty),
CAPS_VARIANT_SOME_ID => Ok(CapsVariantKinds::Some),
_ => Err(de::Error::invalid_value(
de::Unexpected::Unsigned(value as u64),
de::Unexpected::Unsigned(u64::from(value)),
&self,
)),
}

3
gstreamer/src/date_time_serde.rs
View file

@ -29,7 +29,7 @@ impl<'a> Serialize for DateTime {
self.get_day(),
self.get_hour(),
self.get_minute(),
(self.get_second() as f64) + (self.get_microsecond() as f64) / 1_000_000f64,
f64::from(self.get_second()) + f64::from(self.get_microsecond()) / 1_000_000f64,
self.get_time_zone_offset(),
)
} else if self.has_time() {
@ -58,6 +58,7 @@ impl<'a> Serialize for DateTime {
}
}
#[allow(clippy::many_single_char_names)]
impl From<DateTimeVariants> for DateTime {
fn from(dt_variant: DateTimeVariants) -> Self {
match dt_variant {

12
gstreamer/src/error.rs
View file

@ -113,12 +113,12 @@ impl Error for ErrorMessage {
macro_rules! gst_loggable_error(
// Plain strings
($cat:expr, $msg:expr) => {
$crate::LoggableError::new(&$cat, glib_bool_error!($msg))
$crate::LoggableError::new($cat.clone(), glib_bool_error!($msg))
};
// Format strings
($cat:expr, $($msg:tt)*) => { {
$crate::LoggableError::new(&$cat, glib_bool_error!($($msg)*))
$crate::LoggableError::new($cat.clone(), glib_bool_error!($($msg)*))
}};
);
@ -127,13 +127,13 @@ macro_rules! gst_result_from_gboolean(
// Plain strings
($ffi_bool:expr, $cat:expr, $msg:expr) => {
glib_result_from_gboolean!($ffi_bool, $msg)
.map_err(|bool_err| $crate::LoggableError::new(&$cat, bool_err))
.map_err(|bool_err| $crate::LoggableError::new($cat.clone(), bool_err))
};
// Format strings
($ffi_bool:expr, $cat:expr, $($msg:tt)*) => { {
glib_result_from_gboolean!($ffi_bool, $($msg)*)
.map_err(|bool_err| $crate::LoggableError::new(&$cat, bool_err))
.map_err(|bool_err| $crate::LoggableError::new($cat.clone(), bool_err))
}};
);
@ -144,9 +144,9 @@ pub struct LoggableError {
}
impl LoggableError {
pub fn new(category: &::DebugCategory, bool_error: glib::BoolError) -> LoggableError {
pub fn new(category: ::DebugCategory, bool_error: glib::BoolError) -> LoggableError {
LoggableError {
category: *category,
category,
bool_error,
}
}

1
gstreamer/src/iterator.rs
View file

@ -59,6 +59,7 @@ impl<T> Iterator<T>
where
for<'a> T: FromValueOptional<'a> + 'static,
{
#[allow(clippy::should_implement_trait)]
pub fn next(&mut self) -> Result<Option<T>, IteratorError> {
unsafe {
let mut value = Value::uninitialized();

53
gstreamer/src/log.rs
View file

@ -20,7 +20,6 @@ use glib::IsA;
#[derive(PartialEq, Eq, Clone, Copy)]
pub struct DebugCategory(ptr::NonNull<ffi::GstDebugCategory>);
#[allow(clippy::trivially_copy_pass_by_ref)]
impl DebugCategory {
pub fn new<'a, P: Into<Option<&'a str>>>(
name: &str,
@ -64,23 +63,23 @@ impl DebugCategory {
}
}
pub fn get_threshold(&self) -> ::DebugLevel {
pub fn get_threshold(self) -> ::DebugLevel {
from_glib(unsafe { ffi::gst_debug_category_get_threshold(self.0.as_ptr()) })
}
pub fn set_threshold(&self, threshold: ::DebugLevel) {
pub fn set_threshold(self, threshold: ::DebugLevel) {
unsafe { ffi::gst_debug_category_set_threshold(self.0.as_ptr(), threshold.to_glib()) }
}
pub fn reset_threshold(&self) {
pub fn reset_threshold(self) {
unsafe { ffi::gst_debug_category_reset_threshold(self.0.as_ptr()) }
}
pub fn get_color(&self) -> ::DebugColorFlags {
pub fn get_color(self) -> ::DebugColorFlags {
unsafe { from_glib(ffi::gst_debug_category_get_color(self.0.as_ptr())) }
}
pub fn get_name(&self) -> &str {
pub fn get_name<'a>(self) -> &'a str {
unsafe {
CStr::from_ptr(ffi::gst_debug_category_get_name(self.0.as_ptr()))
.to_str()
@ -88,9 +87,9 @@ impl DebugCategory {
}
}
pub fn get_description(&self) -> Option<&str> {
pub fn get_description<'a>(self) -> Option<&'a str> {
unsafe {
let ptr = ffi::gst_debug_category_get_name(self.0.as_ptr());
let ptr = ffi::gst_debug_category_get_description(self.0.as_ptr());
if ptr.is_null() {
None
@ -102,7 +101,7 @@ impl DebugCategory {
#[inline]
pub fn log<O: IsA<::Object>>(
&self,
self,
obj: Option<&O>,
level: ::DebugLevel,
file: &str,
@ -199,91 +198,91 @@ declare_debug_category_from_name!(CAT_CONTEXT, "GST_CONTEXT");
#[macro_export]
macro_rules! gst_error(
($cat:expr, obj: $obj:expr, $($args:tt)*) => { {
gst_log_with_level!($cat, level: $crate::DebugLevel::Error, obj: $obj, $($args)*)
gst_log_with_level!($cat.clone(), level: $crate::DebugLevel::Error, obj: $obj, $($args)*)
}};
($cat:expr, $($args:tt)*) => { {
gst_log_with_level!($cat, level: $crate::DebugLevel::Error, $($args)*)
gst_log_with_level!($cat.clone(), level: $crate::DebugLevel::Error, $($args)*)
}};
);
#[macro_export]
macro_rules! gst_warning(
($cat:expr, obj: $obj:expr, $($args:tt)*) => { {
gst_log_with_level!($cat, level: $crate::DebugLevel::Warning, obj: $obj, $($args)*)
gst_log_with_level!($cat.clone(), level: $crate::DebugLevel::Warning, obj: $obj, $($args)*)
}};
($cat:expr, $($args:tt)*) => { {
gst_log_with_level!($cat, level: $crate::DebugLevel::Warning, $($args)*)
gst_log_with_level!($cat.clone(), level: $crate::DebugLevel::Warning, $($args)*)
}};
);
#[macro_export]
macro_rules! gst_fixme(
($cat:expr, obj: $obj:expr, $($args:tt)*) => { {
gst_log_with_level!($cat, level: $crate::DebugLevel::Fixme, obj: $obj, $($args)*)
gst_log_with_level!($cat.clone(), level: $crate::DebugLevel::Fixme, obj: $obj, $($args)*)
}};
($cat:expr, $($args:tt)*) => { {
gst_log_with_level!($cat, level: $crate::DebugLevel::Fixme, $($args)*)
gst_log_with_level!($cat.clone(), level: $crate::DebugLevel::Fixme, $($args)*)
}};
);
#[macro_export]
macro_rules! gst_info(
($cat:expr, obj: $obj:expr, $($args:tt)*) => { {
gst_log_with_level!($cat, level: $crate::DebugLevel::Info, obj: $obj, $($args)*)
gst_log_with_level!($cat.clone(), level: $crate::DebugLevel::Info, obj: $obj, $($args)*)
}};
($cat:expr, $($args:tt)*) => { {
gst_log_with_level!($cat, level: $crate::DebugLevel::Info, $($args)*)
gst_log_with_level!($cat.clone(), level: $crate::DebugLevel::Info, $($args)*)
}};
);
#[macro_export]
macro_rules! gst_debug(
($cat:expr, obj: $obj:expr, $($args:tt)*) => { {
gst_log_with_level!($cat, level: $crate::DebugLevel::Debug, obj: $obj, $($args)*)
gst_log_with_level!($cat.clone(), level: $crate::DebugLevel::Debug, obj: $obj, $($args)*)
}};
($cat:expr, $($args:tt)*) => { {
gst_log_with_level!($cat, level: $crate::DebugLevel::Debug, $($args)*)
gst_log_with_level!($cat.clone(), level: $crate::DebugLevel::Debug, $($args)*)
}};
);
#[macro_export]
macro_rules! gst_log(
($cat:expr, obj: $obj:expr, $($args:tt)*) => { {
gst_log_with_level!($cat, level: $crate::DebugLevel::Log, obj: $obj, $($args)*)
gst_log_with_level!($cat.clone(), level: $crate::DebugLevel::Log, obj: $obj, $($args)*)
}};
($cat:expr, $($args:tt)*) => { {
gst_log_with_level!($cat, level: $crate::DebugLevel::Log, $($args)*)
gst_log_with_level!($cat.clone(), level: $crate::DebugLevel::Log, $($args)*)
}};
);
#[macro_export]
macro_rules! gst_trace(
($cat:expr, obj: $obj:expr, $($args:tt)*) => { {
gst_log_with_level!($cat, level: $crate::DebugLevel::Trace, obj: $obj, $($args)*)
gst_log_with_level!($cat.clone(), level: $crate::DebugLevel::Trace, obj: $obj, $($args)*)
}};
($cat:expr, $($args:tt)*) => { {
gst_log_with_level!($cat, level: $crate::DebugLevel::Trace, $($args)*)
gst_log_with_level!($cat.clone(), level: $crate::DebugLevel::Trace, $($args)*)
}};
);
#[macro_export]
macro_rules! gst_memdump(
($cat:expr, obj: $obj:expr, $($args:tt)*) => { {
gst_log_with_level!($cat, level: $crate::DebugLevel::Memdump, obj: $obj, $($args)*)
gst_log_with_level!($cat.clone(), level: $crate::DebugLevel::Memdump, obj: $obj, $($args)*)
}};
($cat:expr, $($args:tt)*) => { {
gst_log_with_level!($cat, level: $crate::DebugLevel::Memdump, $($args)*)
gst_log_with_level!($cat.clone(), level: $crate::DebugLevel::Memdump, $($args)*)
}};
);
#[macro_export]
macro_rules! gst_log_with_level(
($cat:expr, level: $level:expr, obj: $obj:expr, $($args:tt)*) => { {
$crate::DebugCategory::log(&$cat, Some($obj), $level, file!(),
$crate::DebugCategory::log($cat.clone(), Some($obj), $level, file!(),
module_path!(), line!(), format_args!($($args)*))
}};
($cat:expr, level: $level:expr, $($args:tt)*) => { {
$crate::DebugCategory::log(&$cat, None as Option<&$crate::Object>, $level, file!(),
$crate::DebugCategory::log($cat.clone(), None as Option<&$crate::Object>, $level, file!(),
module_path!(), line!(), format_args!($($args)*))
}};
);

6
gstreamer/src/subclass/bin.rs
View file

@ -80,9 +80,9 @@ impl<T: BinImpl + ObjectImpl> BinImplExt for T {
unsafe {
let data = self.get_type_data();
let parent_class = data.as_ref().get_parent_class() as *mut ffi::GstBinClass;
(*parent_class)
.handle_message
.map(move |f| f(bin.to_glib_none().0, message.into_ptr()));
if let Some(ref f) = (*parent_class).handle_message {
f(bin.to_glib_none().0, message.into_ptr());
}
}
}
}

64
tutorials/src/bin/basic-tutorial-5.rs
View file

@ -158,10 +158,13 @@ mod tutorial5 {
let slider_update_signal_id = slider.connect_value_changed(move |slider| {
let pipeline = &pipeline;
let value = slider.get_value() as u64;
if let Err(_) = pipeline.seek_simple(
gst::SeekFlags::FLUSH | gst::SeekFlags::KEY_UNIT,
value * gst::SECOND,
) {
if pipeline
.seek_simple(
gst::SeekFlags::FLUSH | gst::SeekFlags::KEY_UNIT,
value * gst::SECOND,
)
.is_err()
{
eprintln!("Seeking to {} failed", value);
}
});
@ -257,30 +260,30 @@ mod tutorial5 {
streams_list.set_editable(false);
let pipeline_weak = playbin.downgrade();
let streams_list_weak = glib::SendWeakRef::from(streams_list.downgrade());
playbin
.get_bus()
.unwrap()
.connect_message(move |_, msg| match msg.view() {
gst::MessageView::Application(application) => {
let pipeline = match pipeline_weak.upgrade() {
Some(pipeline) => pipeline,
None => return,
};
let bus = playbin.get_bus().unwrap();
let streams_list = match streams_list_weak.upgrade() {
Some(streams_list) => streams_list,
None => return,
};
#[allow(clippy::single_match)]
bus.connect_message(move |_, msg| match msg.view() {
gst::MessageView::Application(application) => {
let pipeline = match pipeline_weak.upgrade() {
Some(pipeline) => pipeline,
None => return,
};
if application.get_structure().map(|s| s.get_name()) == Some("tags-changed") {
let textbuf = streams_list
.get_buffer()
.expect("Couldn't get buffer from text_view");
analyze_streams(&pipeline, &textbuf);
}
let streams_list = match streams_list_weak.upgrade() {
Some(streams_list) => streams_list,
None => return,
};
if application.get_structure().map(|s| s.get_name()) == Some("tags-changed") {
let textbuf = streams_list
.get_buffer()
.expect("Couldn't get buffer from text_view");
analyze_streams(&pipeline, &textbuf);
}
_ => (),
});
}
_ => (),
});
let vbox = Box::new(Orientation::Horizontal, 0);
vbox.pack_start(&video_window, true, true, 0);
@ -309,10 +312,15 @@ mod tutorial5 {
pub fn run() {
// Make sure the right features were activated
if !cfg!(feature = "tutorial5-x11") && !cfg!(feature = "tutorial5-quartz") {
eprintln!("No Gdk backend selected, compile with --features tutorial5[-x11][-quartz].");
#[allow(clippy::eq_op)]
{
if !cfg!(feature = "tutorial5-x11") && !cfg!(feature = "tutorial5-quartz") {
eprintln!(
"No Gdk backend selected, compile with --features tutorial5[-x11][-quartz]."
);
return;
return;
}
}
// Initialize GTK

1
tutorials/src/bin/basic-tutorial-8.rs
View file

@ -243,6 +243,7 @@ fn main() {
let main_loop = glib::MainLoop::new(None, false);
let main_loop_clone = main_loop.clone();
let bus = pipeline.get_bus().unwrap();
#[allow(clippy::single_match)]
bus.connect_message(move |_, msg| match msg.view() {
gst::MessageView::Error(err) => {
let main_loop = &main_loop_clone;