forked from mirrors/gstreamer-rs
75 lines
2.3 KiB
Rust
75 lines
2.3 KiB
Rust
use ffi;
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use glib;
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use glib::object::IsA;
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use glib::source::{Continue, Priority};
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use glib::translate::*;
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use glib_ffi;
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use glib_ffi::{gboolean, gpointer};
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use std::cell::RefCell;
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use std::mem::transmute;
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use RTSPSessionPool;
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unsafe extern "C" fn trampoline_watch(
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pool: *mut ffi::GstRTSPSessionPool,
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func: gpointer,
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) -> gboolean {
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#[cfg_attr(feature = "cargo-clippy", allow(transmute_ptr_to_ref))]
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let func: &RefCell<Box<FnMut(&RTSPSessionPool) -> Continue + Send + 'static>> = transmute(func);
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(&mut *func.borrow_mut())(&from_glib_borrow(pool)).to_glib()
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}
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unsafe extern "C" fn destroy_closure_watch(ptr: gpointer) {
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Box::<RefCell<Box<FnMut(&RTSPSessionPool) -> Continue + Send + 'static>>>::from_raw(
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ptr as *mut _,
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);
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}
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fn into_raw_watch<F: FnMut(&RTSPSessionPool) -> Continue + Send + 'static>(func: F) -> gpointer {
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#[cfg_attr(feature = "cargo-clippy", allow(type_complexity))]
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let func: Box<RefCell<Box<FnMut(&RTSPSessionPool) -> Continue + Send + 'static>>> =
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Box::new(RefCell::new(Box::new(func)));
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Box::into_raw(func) as gpointer
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}
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pub trait RTSPSessionPoolExtManual {
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fn create_watch<'a, N: Into<Option<&'a str>>, F>(
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&self,
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name: N,
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priority: Priority,
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func: F,
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) -> glib::Source
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where
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F: FnMut(&RTSPSessionPool) -> Continue + Send + 'static;
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}
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impl<O: IsA<RTSPSessionPool>> RTSPSessionPoolExtManual for O {
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fn create_watch<'a, N: Into<Option<&'a str>>, F>(
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&self,
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name: N,
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priority: Priority,
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func: F,
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) -> glib::Source
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where
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F: FnMut(&RTSPSessionPool) -> Continue + Send + 'static,
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{
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skip_assert_initialized!();
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unsafe {
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let source = ffi::gst_rtsp_session_pool_create_watch(self.to_glib_none().0);
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let trampoline = trampoline_watch as gpointer;
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glib_ffi::g_source_set_callback(
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source,
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Some(transmute(trampoline)),
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into_raw_watch(func),
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Some(destroy_closure_watch),
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);
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glib_ffi::g_source_set_priority(source, priority.to_glib());
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let name = name.into();
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if let Some(name) = name {
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glib_ffi::g_source_set_name(source, name.to_glib_none().0);
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}
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from_glib_full(source)
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}
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}
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}
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