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Store pointers for static caps and pad templates

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We don't own them, we don't want to copy them. They're *statically*
allocated things in C.
This commit is contained in:
Sebastian Dröge 2017-10-15 11:27:08 +03:00
parent 9206ddba61
commit 9a6713b901
2 changed files with 22 additions and 30 deletions
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22
gstreamer/src/static_caps.rs
View file

@ -12,17 +12,15 @@ use ffi;
use glib_ffi;
use gobject_ffi;
use std::ptr;
use glib;
use glib::translate::{from_glib_full, from_glib_none, mut_override, FromGlibPtrNone, ToGlibPtr,
ToGlibPtrMut};
use glib::translate::{from_glib_full, FromGlibPtrNone, ToGlibPtr, ToGlibPtrMut};
#[repr(C)]
pub struct StaticCaps(ffi::GstStaticCaps);
pub struct StaticCaps(*mut ffi::GstStaticCaps);
impl StaticCaps {
pub fn get(&self) -> Caps {
unsafe { from_glib_full(ffi::gst_static_caps_get(mut_override(&self.0))) }
unsafe { from_glib_full(ffi::gst_static_caps_get(self.0)) }
}
}
@ -76,7 +74,7 @@ impl<'a> glib::translate::ToGlibPtr<'a, *const ffi::GstStaticCaps> for StaticCap
type Storage = &'a StaticCaps;
fn to_glib_none(&'a self) -> glib::translate::Stash<'a, *const ffi::GstStaticCaps, Self> {
glib::translate::Stash(&self.0, self)
glib::translate::Stash(self.0, self)
}
fn to_glib_full(&self) -> *const ffi::GstStaticCaps {
@ -88,7 +86,7 @@ impl<'a> glib::translate::ToGlibPtr<'a, *const ffi::GstStaticCaps> for StaticCap
impl glib::translate::FromGlibPtrNone<*const ffi::GstStaticCaps> for StaticCaps {
#[inline]
unsafe fn from_glib_none(ptr: *const ffi::GstStaticCaps) -> Self {
StaticCaps(ptr::read(ptr))
StaticCaps(ptr as *mut _)
}
}
@ -96,7 +94,7 @@ impl glib::translate::FromGlibPtrNone<*const ffi::GstStaticCaps> for StaticCaps
impl glib::translate::FromGlibPtrNone<*mut ffi::GstStaticCaps> for StaticCaps {
#[inline]
unsafe fn from_glib_none(ptr: *mut ffi::GstStaticCaps) -> Self {
StaticCaps(ptr::read(ptr))
StaticCaps(ptr)
}
}
@ -104,16 +102,14 @@ impl glib::translate::FromGlibPtrNone<*mut ffi::GstStaticCaps> for StaticCaps {
impl glib::translate::FromGlibPtrBorrow<*mut ffi::GstStaticCaps> for StaticCaps {
#[inline]
unsafe fn from_glib_borrow(ptr: *mut ffi::GstStaticCaps) -> Self {
StaticCaps(ptr::read(ptr))
StaticCaps(ptr)
}
}
#[doc(hidden)]
impl glib::translate::FromGlibPtrFull<*mut ffi::GstStaticCaps> for StaticCaps {
#[inline]
unsafe fn from_glib_full(ptr: *mut ffi::GstStaticCaps) -> Self {
let caps = from_glib_none(ptr);
glib_ffi::g_free(ptr as *mut _);
caps
unsafe fn from_glib_full(_ptr: *mut ffi::GstStaticCaps) -> Self {
unimplemented!();
}
}

30
gstreamer/src/static_pad_template.rs
View file

@ -14,33 +14,31 @@ use glib_ffi;
use gobject_ffi;
use std::ffi::CStr;
use std::ptr;
use glib;
use glib::translate::{from_glib, from_glib_full, from_glib_none, mut_override, FromGlibPtrNone,
ToGlibPtr, ToGlibPtrMut};
use glib::translate::{from_glib, from_glib_full, FromGlibPtrNone, ToGlibPtr, ToGlibPtrMut};
#[repr(C)]
pub struct StaticPadTemplate(ffi::GstStaticPadTemplate);
pub struct StaticPadTemplate(*mut ffi::GstStaticPadTemplate);
impl StaticPadTemplate {
pub fn get(&self) -> PadTemplate {
unsafe { from_glib_full(ffi::gst_static_pad_template_get(mut_override(&self.0))) }
unsafe { from_glib_full(ffi::gst_static_pad_template_get(self.0)) }
}
pub fn get_caps(&self) -> Caps {
unsafe { from_glib_full(ffi::gst_static_pad_template_get_caps(mut_override(&self.0))) }
unsafe { from_glib_full(ffi::gst_static_pad_template_get_caps(self.0)) }
}
pub fn name_template<'a>(&self) -> &'a str {
unsafe { CStr::from_ptr(self.0.name_template).to_str().unwrap() }
unsafe { CStr::from_ptr((*self.0).name_template).to_str().unwrap() }
}
pub fn direction(&self) -> ::PadDirection {
from_glib(self.0.direction)
unsafe { from_glib((*self.0).direction) }
}
pub fn presence(&self) -> ::PadPresence {
from_glib(self.0.presence)
unsafe { from_glib((*self.0).presence) }
}
}
@ -97,7 +95,7 @@ impl<'a> glib::translate::ToGlibPtr<'a, *const ffi::GstStaticPadTemplate> for St
fn to_glib_none(
&'a self,
) -> glib::translate::Stash<'a, *const ffi::GstStaticPadTemplate, Self> {
glib::translate::Stash(&self.0, self)
glib::translate::Stash(self.0, self)
}
fn to_glib_full(&self) -> *const ffi::GstStaticPadTemplate {
@ -109,7 +107,7 @@ impl<'a> glib::translate::ToGlibPtr<'a, *const ffi::GstStaticPadTemplate> for St
impl glib::translate::FromGlibPtrNone<*const ffi::GstStaticPadTemplate> for StaticPadTemplate {
#[inline]
unsafe fn from_glib_none(ptr: *const ffi::GstStaticPadTemplate) -> Self {
StaticPadTemplate(ptr::read(ptr))
StaticPadTemplate(ptr as *mut _)
}
}
@ -117,7 +115,7 @@ impl glib::translate::FromGlibPtrNone<*const ffi::GstStaticPadTemplate> for Stat
impl glib::translate::FromGlibPtrNone<*mut ffi::GstStaticPadTemplate> for StaticPadTemplate {
#[inline]
unsafe fn from_glib_none(ptr: *mut ffi::GstStaticPadTemplate) -> Self {
StaticPadTemplate(ptr::read(ptr))
StaticPadTemplate(ptr)
}
}
@ -125,16 +123,14 @@ impl glib::translate::FromGlibPtrNone<*mut ffi::GstStaticPadTemplate> for Static
impl glib::translate::FromGlibPtrBorrow<*mut ffi::GstStaticPadTemplate> for StaticPadTemplate {
#[inline]
unsafe fn from_glib_borrow(ptr: *mut ffi::GstStaticPadTemplate) -> Self {
StaticPadTemplate(ptr::read(ptr))
StaticPadTemplate(ptr)
}
}
#[doc(hidden)]
impl glib::translate::FromGlibPtrFull<*mut ffi::GstStaticPadTemplate> for StaticPadTemplate {
#[inline]
unsafe fn from_glib_full(ptr: *mut ffi::GstStaticPadTemplate) -> Self {
let templ = from_glib_none(ptr);
glib_ffi::g_free(ptr as *mut _);
templ
unsafe fn from_glib_full(_ptr: *mut ffi::GstStaticPadTemplate) -> Self {
unimplemented!();
}
}