forked from mirrors/gstreamer-rs
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.
114 lines
3.1 KiB
Rust
114 lines
3.1 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 std::os::raw::c_char;
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use std::ptr;
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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 SDPTime(pub(crate) gst_sdp_sys::GstSDPTime);
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unsafe impl Send for SDPTime {}
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unsafe impl Sync for SDPTime {}
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impl SDPTime {
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pub fn new(start: &str, stop: &str, repeat: &[&str]) -> Self {
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assert_initialized_main_thread!();
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unsafe {
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let mut time = mem::MaybeUninit::zeroed();
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gst_sdp_sys::gst_sdp_time_set(
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time.as_mut_ptr(),
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start.to_glib_none().0,
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stop.to_glib_none().0,
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repeat.to_glib_none().0,
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);
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SDPTime(time.assume_init())
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}
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}
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pub fn start(&self) -> Option<&str> {
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unsafe {
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if self.0.start.is_null() {
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None
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} else {
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Some(CStr::from_ptr(self.0.start).to_str().unwrap())
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}
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}
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}
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pub fn stop(&self) -> Option<&str> {
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unsafe {
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if self.0.stop.is_null() {
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None
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} else {
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Some(CStr::from_ptr(self.0.stop).to_str().unwrap())
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}
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}
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}
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pub fn repeat(&self) -> Vec<&str> {
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#[allow(clippy::cast_ptr_alignment)]
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unsafe {
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if self.0.repeat.is_null() || (*self.0.repeat).data.is_null() {
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return vec![];
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}
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let arr = (*self.0.repeat).data as *const *const c_char;
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let len = (*self.0.repeat).len as usize;
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let mut vec = Vec::with_capacity(len);
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for i in 0..len {
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vec.push(CStr::from_ptr(*arr.add(i)).to_str().unwrap());
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}
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vec
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}
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}
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}
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impl Clone for SDPTime {
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fn clone(&self) -> Self {
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assert_initialized_main_thread!();
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#[allow(clippy::cast_ptr_alignment)]
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unsafe {
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let mut time = mem::MaybeUninit::zeroed();
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gst_sdp_sys::gst_sdp_time_set(
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time.as_mut_ptr(),
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self.0.start,
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self.0.stop,
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if self.0.repeat.is_null() {
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ptr::null_mut()
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} else {
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(*self.0.repeat).data as *mut *const c_char
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},
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);
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SDPTime(time.assume_init())
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}
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}
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}
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impl Drop for SDPTime {
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fn drop(&mut self) {
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unsafe {
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gst_sdp_sys::gst_sdp_time_clear(&mut self.0);
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}
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}
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}
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impl fmt::Debug for SDPTime {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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f.debug_struct("SDPTime")
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.field("start", &self.start())
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.field("stop", &self.stop())
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.field("repeat", &self.repeat())
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.finish()
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}
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}
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