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https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs.git
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83 lines
2.1 KiB
Rust
83 lines
2.1 KiB
Rust
// Copyright (C) 2016 Sebastian Dröge <sebastian@centricular.com>
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Library General Public License for more details.
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//
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// You should have received a copy of the GNU Library General Public
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// License along with this library; if not, write to the
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// Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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// Boston, MA 02110-1301, USA.
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//
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//
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use libc::c_char;
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use std::os::raw::c_void;
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use std::ffi::CString;
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use std::ptr;
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#[macro_export]
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macro_rules! println_err(
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($($arg:tt)*) => { {
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if let Err(_) = writeln!(&mut ::std::io::stderr(), $($arg)*) {
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// Ignore when writing fails
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};
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} }
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);
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#[repr(C)]
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pub enum GstFlowReturn {
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Ok = 0,
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NotLinked = -1,
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Flushing = -2,
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Eos = -3,
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NotNegotiated = -4,
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Error = -5,
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}
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#[repr(C)]
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pub enum GBoolean {
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False = 0,
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True = 1,
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}
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impl GBoolean {
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pub fn from_bool(v: bool) -> GBoolean {
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if v { GBoolean::True } else { GBoolean::False }
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}
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}
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#[no_mangle]
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pub unsafe extern "C" fn cstring_drop(ptr: *mut c_char) {
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CString::from_raw(ptr);
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}
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#[repr(C)]
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pub enum UriError {
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UnsupportedProtocol = 0,
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BadUri,
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BadState,
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BadReference,
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}
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extern "C" {
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fn g_set_error_literal(err: *mut c_void, domain: u32, code: i32, message: *const c_char);
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fn gst_uri_error_quark() -> u32;
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}
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impl UriError {
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pub unsafe fn into_gerror(self, err: *mut c_void, message: Option<&String>) {
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if let Some(msg) = message {
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let cmsg = CString::new(msg.as_str()).unwrap();
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g_set_error_literal(err, gst_uri_error_quark(), self as i32, cmsg.as_ptr());
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} else {
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g_set_error_literal(err, gst_uri_error_quark(), self as i32, ptr::null());
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}
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}
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}
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