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https://gitlab.freedesktop.org/gstreamer/gstreamer-rs.git
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2ba5105b80
They can actually be shared with multiple threads at the same time safely as all functions requiring an immutable reference are thread-safe. OTOH TypeFind can't be shared safely between different threads as not all implementations of the TypeFind struct are thread-safe.
75 lines
1.9 KiB
Rust
75 lines
1.9 KiB
Rust
// Copyright (C) 2018 Sebastian Dröge <sebastian@centricular.com>
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use std::ffi::CStr;
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use std::fmt;
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use std::mem;
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use glib::translate::*;
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use gst_sdp_sys;
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#[repr(C)]
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pub struct SDPAttribute(pub(crate) gst_sdp_sys::GstSDPAttribute);
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unsafe impl Send for SDPAttribute {}
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unsafe impl Sync for SDPAttribute {}
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impl SDPAttribute {
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pub fn new(key: &str, value: Option<&str>) -> Self {
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assert_initialized_main_thread!();
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unsafe {
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let mut attr = mem::MaybeUninit::zeroed();
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gst_sdp_sys::gst_sdp_attribute_set(
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attr.as_mut_ptr(),
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key.to_glib_none().0,
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value.to_glib_none().0,
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);
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SDPAttribute(attr.assume_init())
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}
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}
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pub fn key(&self) -> &str {
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unsafe { CStr::from_ptr(self.0.key).to_str().unwrap() }
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}
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pub fn value(&self) -> Option<&str> {
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unsafe {
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let ptr = self.0.value;
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if ptr.is_null() {
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None
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} else {
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Some(CStr::from_ptr(ptr).to_str().unwrap())
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}
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}
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}
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}
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impl Clone for SDPAttribute {
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fn clone(&self) -> Self {
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SDPAttribute::new(self.key(), self.value())
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}
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}
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impl Drop for SDPAttribute {
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fn drop(&mut self) {
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unsafe {
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gst_sdp_sys::gst_sdp_attribute_clear(&mut self.0);
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}
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}
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}
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impl fmt::Debug for SDPAttribute {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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f.debug_struct("SDPAttribute")
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.field("key", &self.key())
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.field("value", &self.value())
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.finish()
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}
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}
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