gstreamer-rs/gstreamer-base/src/functions.rs
2021-09-21 23:54:07 +02:00

103 lines
3.5 KiB
Rust

// Take a look at the license at the top of the repository in the LICENSE file.
use glib::prelude::*;
use glib::translate::*;
use std::mem;
#[doc(alias = "gst_type_find_helper_for_data")]
pub fn type_find_helper_for_data(
obj: Option<&impl IsA<gst::Object>>,
data: impl AsRef<[u8]>,
) -> Result<(gst::Caps, gst::TypeFindProbability), glib::error::BoolError> {
assert_initialized_main_thread!();
unsafe {
let mut prob = mem::MaybeUninit::uninit();
let data = data.as_ref();
let (ptr, len) = (data.as_ptr(), data.len());
let ret = ffi::gst_type_find_helper_for_data(
obj.map(|p| p.as_ref()).to_glib_none().0,
mut_override(ptr),
len,
prob.as_mut_ptr(),
);
if ret.is_null() {
Err(glib::bool_error!("No type could be found"))
} else {
Ok((from_glib_full(ret), from_glib(prob.assume_init())))
}
}
}
#[cfg(any(feature = "v1_16", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
#[doc(alias = "gst_type_find_helper_for_data_with_extension")]
pub fn type_find_helper_for_data_with_extension(
obj: Option<&impl IsA<gst::Object>>,
data: impl AsRef<[u8]>,
extension: Option<&str>,
) -> Result<(gst::Caps, gst::TypeFindProbability), glib::error::BoolError> {
assert_initialized_main_thread!();
unsafe {
let mut prob = mem::MaybeUninit::uninit();
let data = data.as_ref();
let (ptr, len) = (data.as_ptr(), data.len());
let ret = ffi::gst_type_find_helper_for_data_with_extension(
obj.map(|p| p.as_ref()).to_glib_none().0,
mut_override(ptr),
len,
extension.to_glib_none().0,
prob.as_mut_ptr(),
);
if ret.is_null() {
Err(glib::bool_error!("No type could be found"))
} else {
Ok((from_glib_full(ret), from_glib(prob.assume_init())))
}
}
}
#[doc(alias = "gst_type_find_helper_for_buffer")]
pub fn type_find_helper_for_buffer<P: IsA<gst::Object>>(
obj: Option<&P>,
buf: &gst::Buffer,
) -> Result<(gst::Caps, gst::TypeFindProbability), glib::error::BoolError> {
assert_initialized_main_thread!();
unsafe {
let mut prob = mem::MaybeUninit::uninit();
let ret = ffi::gst_type_find_helper_for_buffer(
obj.map(|p| p.as_ref()).to_glib_none().0,
buf.to_glib_none().0,
prob.as_mut_ptr(),
);
if ret.is_null() {
Err(glib::bool_error!("No type could be found"))
} else {
Ok((from_glib_full(ret), from_glib(prob.assume_init())))
}
}
}
#[cfg(any(feature = "v1_16", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
#[doc(alias = "gst_type_find_helper_for_buffer_with_extension")]
pub fn type_find_helper_for_buffer_with_extension<P: IsA<gst::Object>>(
obj: Option<&P>,
buf: &gst::Buffer,
extension: Option<&str>,
) -> Result<(gst::Caps, gst::TypeFindProbability), glib::error::BoolError> {
assert_initialized_main_thread!();
unsafe {
let mut prob = mem::MaybeUninit::uninit();
let ret = ffi::gst_type_find_helper_for_buffer_with_extension(
obj.map(|p| p.as_ref()).to_glib_none().0,
buf.to_glib_none().0,
extension.to_glib_none().0,
prob.as_mut_ptr(),
);
if ret.is_null() {
Err(glib::bool_error!("No type could be found"))
} else {
Ok((from_glib_full(ret), from_glib(prob.assume_init())))
}
}
}