gstreamer-rs/gstreamer/src/context.rs
Sebastian Dröge af01f1bc67 gstreamer: Simplify MiniObject bindings by removing one layer of abstraction
And instead directly implementing this via the macro on the target
types.
2020-06-30 11:06:02 +03:00

84 lines
2.3 KiB
Rust

// Copyright (C) 2017 Sebastian Dröge <sebastian@centricular.com>
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use std::ffi::CStr;
use std::fmt;
use gst_sys;
use glib;
use glib::translate::{from_glib, from_glib_full, ToGlib, ToGlibPtr};
use StructureRef;
gst_define_mini_object_wrapper!(Context, ContextRef, gst_sys::GstContext, || {
gst_sys::gst_context_get_type()
});
impl Context {
pub fn new(context_type: &str, persistent: bool) -> Self {
assert_initialized_main_thread!();
unsafe {
from_glib_full(gst_sys::gst_context_new(
context_type.to_glib_none().0,
persistent.to_glib(),
))
}
}
}
impl ContextRef {
pub fn get_context_type(&self) -> &str {
unsafe {
let raw = gst_sys::gst_context_get_context_type(self.as_mut_ptr());
CStr::from_ptr(raw).to_str().unwrap()
}
}
pub fn has_context_type(&self, context_type: &str) -> bool {
unsafe {
from_glib(gst_sys::gst_context_has_context_type(
self.as_mut_ptr(),
context_type.to_glib_none().0,
))
}
}
pub fn is_persistent(&self) -> bool {
unsafe { from_glib(gst_sys::gst_context_is_persistent(self.as_mut_ptr())) }
}
pub fn get_structure(&self) -> &StructureRef {
unsafe {
StructureRef::from_glib_borrow(gst_sys::gst_context_get_structure(self.as_mut_ptr()))
}
}
pub fn get_mut_structure(&mut self) -> &mut StructureRef {
unsafe {
StructureRef::from_glib_borrow_mut(gst_sys::gst_context_writable_structure(
self.as_mut_ptr(),
))
}
}
}
impl fmt::Debug for Context {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
ContextRef::fmt(self, f)
}
}
impl fmt::Debug for ContextRef {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_struct("Context")
.field("type", &self.get_context_type())
.field("structure", &self.get_structure())
.finish()
}
}