forked from mirrors/gstreamer-rs
105 lines
3.5 KiB
Rust
105 lines
3.5 KiB
Rust
// Copyright (C) 2017 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 glib::object::IsA;
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use glib::translate::*;
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use gst;
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use gst_base_sys;
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use std::mem;
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pub fn type_find_helper_for_data<P: IsA<gst::Object>, R: AsRef<[u8]>>(
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obj: Option<&P>,
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data: R,
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) -> Result<(gst::Caps, gst::TypeFindProbability), glib::error::BoolError> {
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assert_initialized_main_thread!();
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unsafe {
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let mut prob = mem::MaybeUninit::uninit();
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let data = data.as_ref();
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let (ptr, len) = (data.as_ptr(), data.len());
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let ret = gst_base_sys::gst_type_find_helper_for_data(
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obj.map(|p| p.as_ref()).to_glib_none().0,
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mut_override(ptr),
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len,
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prob.as_mut_ptr(),
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);
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if ret.is_null() {
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Err(glib_bool_error!("No type could be found"))
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} else {
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Ok((from_glib_full(ret), from_glib(prob.assume_init())))
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}
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}
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}
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#[cfg(any(feature = "v1_16", feature = "dox"))]
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pub fn type_find_helper_for_data_with_extension<P: IsA<gst::Object>, R: AsRef<[u8]>>(
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obj: Option<&P>,
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data: R,
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extension: Option<&str>,
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) -> Result<(gst::Caps, gst::TypeFindProbability), glib::error::BoolError> {
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assert_initialized_main_thread!();
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unsafe {
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let mut prob = mem::MaybeUninit::uninit();
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let data = data.as_ref();
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let (ptr, len) = (data.as_ptr(), data.len());
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let ret = gst_base_sys::gst_type_find_helper_for_data_with_extension(
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obj.map(|p| p.as_ref()).to_glib_none().0,
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mut_override(ptr),
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len,
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extension.to_glib_none().0,
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prob.as_mut_ptr(),
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);
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if ret.is_null() {
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Err(glib_bool_error!("No type could be found"))
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} else {
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Ok((from_glib_full(ret), from_glib(prob.assume_init())))
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}
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}
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}
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pub fn type_find_helper_for_buffer<P: IsA<gst::Object>>(
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obj: Option<&P>,
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buf: &gst::Buffer,
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) -> Result<(gst::Caps, gst::TypeFindProbability), glib::error::BoolError> {
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assert_initialized_main_thread!();
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unsafe {
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let mut prob = mem::MaybeUninit::uninit();
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let ret = gst_base_sys::gst_type_find_helper_for_buffer(
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obj.map(|p| p.as_ref()).to_glib_none().0,
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buf.to_glib_none().0,
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prob.as_mut_ptr(),
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);
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if ret.is_null() {
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Err(glib_bool_error!("No type could be found"))
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} else {
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Ok((from_glib_full(ret), from_glib(prob.assume_init())))
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}
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}
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}
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#[cfg(any(feature = "v1_16", feature = "dox"))]
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pub fn type_find_helper_for_buffer_with_extension<P: IsA<gst::Object>>(
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obj: Option<&P>,
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buf: &gst::Buffer,
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extension: Option<&str>,
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) -> Result<(gst::Caps, gst::TypeFindProbability), glib::error::BoolError> {
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assert_initialized_main_thread!();
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unsafe {
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let mut prob = mem::MaybeUninit::uninit();
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let ret = gst_base_sys::gst_type_find_helper_for_buffer_with_extension(
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obj.map(|p| p.as_ref()).to_glib_none().0,
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buf.to_glib_none().0,
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extension.to_glib_none().0,
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prob.as_mut_ptr(),
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);
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if ret.is_null() {
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Err(glib_bool_error!("No type could be found"))
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} else {
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Ok((from_glib_full(ret), from_glib(prob.assume_init())))
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}
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}
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}
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