forked from mirrors/gstreamer-rs
109 lines
3 KiB
Rust
109 lines
3 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 ffi;
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use glib::translate::*;
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use std::ptr;
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use Element;
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use Error;
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use ParseContext;
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use ParseFlags;
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pub fn parse_bin_from_description_full<'a, P: Into<Option<&'a mut ParseContext>>>(
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bin_description: &str,
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ghost_unlinked_pads: bool,
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context: P,
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flags: ParseFlags,
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) -> Result<Element, Error> {
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assert_initialized_main_thread!();
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let mut context = context.into();
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unsafe {
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let mut error = ptr::null_mut();
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let ret = ffi::gst_parse_bin_from_description_full(
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bin_description.to_glib_none().0,
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ghost_unlinked_pads.to_glib(),
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context.to_glib_none_mut().0,
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flags.to_glib(),
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&mut error,
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);
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if error.is_null() {
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Ok(from_glib_none(ret))
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} else {
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Err(from_glib_full(error))
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}
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}
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}
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pub fn parse_launch_full<'a, P: Into<Option<&'a mut ParseContext>>>(
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pipeline_description: &str,
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context: P,
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flags: ParseFlags,
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) -> Result<Element, Error> {
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assert_initialized_main_thread!();
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let mut context = context.into();
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unsafe {
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let mut error = ptr::null_mut();
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let ret = ffi::gst_parse_launch_full(
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pipeline_description.to_glib_none().0,
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context.to_glib_none_mut().0,
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flags.to_glib(),
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&mut error,
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);
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if error.is_null() {
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Ok(from_glib_none(ret))
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} else {
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Err(from_glib_full(error))
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}
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}
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}
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pub fn parse_launchv_full<'a, P: Into<Option<&'a mut ParseContext>>>(
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argv: &[&str],
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context: P,
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flags: ParseFlags,
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) -> Result<Element, Error> {
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assert_initialized_main_thread!();
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let mut context = context.into();
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unsafe {
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let mut error = ptr::null_mut();
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let ret = ffi::gst_parse_launchv_full(
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argv.to_glib_none().0,
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context.to_glib_none_mut().0,
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flags.to_glib(),
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&mut error,
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);
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if error.is_null() {
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Ok(from_glib_none(ret))
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} else {
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Err(from_glib_full(error))
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}
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}
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}
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pub fn util_group_id_next() -> ::GroupId {
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assert_initialized_main_thread!();
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unsafe {
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let v = from_glib(ffi::gst_util_group_id_next());
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if v == ::GROUP_ID_INVALID {
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return from_glib(ffi::gst_util_group_id_next());
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}
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v
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}
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}
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pub fn util_seqnum_next() -> ::Seqnum {
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assert_initialized_main_thread!();
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unsafe {
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let v = from_glib(ffi::gst_util_seqnum_next());
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if v == ::SEQNUM_INVALID {
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return from_glib(ffi::gst_util_seqnum_next());
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}
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v
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}
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}
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