gstreamer-rs/gstreamer/src/parse.rs
2023-12-04 16:15:51 +01:00

137 lines
3.9 KiB
Rust

// Take a look at the license at the top of the repository in the LICENSE file.
use std::ptr;
use glib::{prelude::*, translate::*};
use crate::{Bin, Element, Object, ParseContext, ParseFlags};
pub use crate::auto::functions::parse_bin_from_description as bin_from_description;
pub use crate::auto::functions::parse_launch as launch;
pub use crate::auto::functions::parse_launchv as launchv;
#[doc(alias = "gst_parse_bin_from_description_full")]
pub fn bin_from_description_with_name(
bin_description: &str,
ghost_unlinked_pads: bool,
bin_name: &str,
) -> Result<Bin, glib::Error> {
skip_assert_initialized!();
let bin = bin_from_description(bin_description, ghost_unlinked_pads)?;
if !bin_name.is_empty() {
let obj = bin.clone().upcast::<Object>();
unsafe {
ffi::gst_object_set_name(obj.to_glib_none().0, bin_name.to_glib_none().0);
}
}
Ok(bin)
}
#[doc(alias = "gst_parse_bin_from_description_full")]
pub fn bin_from_description_full(
bin_description: &str,
ghost_unlinked_pads: bool,
mut context: Option<&mut ParseContext>,
flags: ParseFlags,
) -> Result<Element, glib::Error> {
skip_assert_initialized!();
unsafe {
let mut error = ptr::null_mut();
let ret = ffi::gst_parse_bin_from_description_full(
bin_description.to_glib_none().0,
ghost_unlinked_pads.into_glib(),
context.to_glib_none_mut().0,
flags.into_glib(),
&mut error,
);
if error.is_null() {
Ok(from_glib_none(ret))
} else {
Err(from_glib_full(error))
}
}
}
#[doc(alias = "gst_parse_bin_from_description_full")]
pub fn bin_from_description_with_name_full(
bin_description: &str,
ghost_unlinked_pads: bool,
bin_name: &str,
context: Option<&mut ParseContext>,
flags: ParseFlags,
) -> Result<Element, glib::Error> {
skip_assert_initialized!();
let bin = bin_from_description_full(bin_description, ghost_unlinked_pads, context, flags)?;
if !bin_name.is_empty() {
let obj = bin.clone().upcast::<Object>();
unsafe {
ffi::gst_object_set_name(obj.to_glib_none().0, bin_name.to_glib_none().0);
}
}
Ok(bin)
}
#[doc(alias = "gst_parse_launch_full")]
pub fn launch_full(
pipeline_description: &str,
mut context: Option<&mut ParseContext>,
flags: ParseFlags,
) -> Result<Element, glib::Error> {
assert_initialized_main_thread!();
unsafe {
let mut error = ptr::null_mut();
let ret = ffi::gst_parse_launch_full(
pipeline_description.to_glib_none().0,
context.to_glib_none_mut().0,
flags.into_glib(),
&mut error,
);
if error.is_null() {
Ok(from_glib_none(ret))
} else {
Err(from_glib_full(error))
}
}
}
#[doc(alias = "gst_parse_launchv_full")]
pub fn launchv_full(
argv: &[&str],
mut context: Option<&mut ParseContext>,
flags: ParseFlags,
) -> Result<Element, glib::Error> {
assert_initialized_main_thread!();
unsafe {
let mut error = ptr::null_mut();
let ret = ffi::gst_parse_launchv_full(
argv.to_glib_none().0,
context.to_glib_none_mut().0,
flags.into_glib(),
&mut error,
);
if error.is_null() {
Ok(from_glib_none(ret))
} else {
Err(from_glib_full(error))
}
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::prelude::*;
#[test]
fn test_parse_bin_from_description_with_name() {
crate::init().unwrap();
let bin = bin_from_description_with_name("fakesrc ! fakesink", false, "all_fake").unwrap();
let name = bin.name();
assert_eq!(name, "all_fake");
let bin = bin_from_description_with_name("fakesrc ! fakesink", false, "").unwrap();
let name = bin.name();
assert_ne!(name, "");
}
}