use crate::Bin;
use crate::BinFlags;
use crate::Element;
use crate::LoggableError;
use glib::prelude::*;
use glib::signal::connect_raw;
use glib::signal::SignalHandlerId;
use glib::translate::*;
use glib::GString;
use std::boxed::Box as Box_;
use std::mem::transmute;
use std::path;
impl Bin {
pub fn builder() -> BinBuilder {
BinBuilder::default()
}
}
pub trait GstBinExtManual: 'static {
#[doc(alias = "gst_bin_add_many")]
fn add_many<E: IsA<Element>>(&self, elements: &[&E]) -> Result<(), glib::BoolError>;
#[doc(alias = "gst_bin_remove_many")]
fn remove_many<E: IsA<Element>>(&self, elements: &[&E]) -> Result<(), glib::BoolError>;
#[doc(alias = "do-latency")]
fn connect_do_latency<F: Fn(&Self) -> Result<(), LoggableError> + Send + Sync + 'static>(
&self,
f: F,
) -> SignalHandlerId;
#[cfg(any(feature = "v1_18", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
#[doc(alias = "gst_bin_iterate_all_by_element_factory_name")]
fn iterate_all_by_element_factory_name(&self, factory_name: &str) -> crate::Iterator<Element>;
#[doc(alias = "gst_bin_iterate_all_by_interface")]
fn iterate_all_by_interface(&self, iface: glib::types::Type) -> crate::Iterator<Element>;
#[doc(alias = "gst_bin_iterate_elements")]
fn iterate_elements(&self) -> crate::Iterator<Element>;
#[doc(alias = "gst_bin_iterate_recurse")]
fn iterate_recurse(&self) -> crate::Iterator<Element>;
#[doc(alias = "gst_bin_iterate_sinks")]
fn iterate_sinks(&self) -> crate::Iterator<Element>;
#[doc(alias = "gst_bin_iterate_sorted")]
fn iterate_sorted(&self) -> crate::Iterator<Element>;
#[doc(alias = "gst_bin_iterate_sources")]
fn iterate_sources(&self) -> crate::Iterator<Element>;
#[doc(alias = "get_children")]
fn children(&self) -> Vec<Element>;
#[doc(alias = "gst_debug_bin_to_dot_data")]
fn debug_to_dot_data(&self, details: crate::DebugGraphDetails) -> GString;
#[doc(alias = "GST_DEBUG_BIN_TO_DOT_FILE")]
#[doc(alias = "gst_debug_bin_to_dot_file")]
fn debug_to_dot_file(
&self,
details: crate::DebugGraphDetails,
file_name: impl AsRef<path::Path>,
);
#[doc(alias = "GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS")]
#[doc(alias = "gst_debug_bin_to_dot_file_with_ts")]
fn debug_to_dot_file_with_ts(
&self,
details: crate::DebugGraphDetails,
file_name: impl AsRef<path::Path>,
);
fn set_bin_flags(&self, flags: BinFlags);
fn unset_bin_flags(&self, flags: BinFlags);
#[doc(alias = "get_bin_flags")]
fn bin_flags(&self) -> BinFlags;
}
impl<O: IsA<Bin>> GstBinExtManual for O {
fn add_many<E: IsA<Element>>(&self, elements: &[&E]) -> Result<(), glib::BoolError> {
for e in elements {
unsafe {
glib::result_from_gboolean!(
ffi::gst_bin_add(self.as_ref().to_glib_none().0, e.as_ref().to_glib_none().0),
"Failed to add elements"
)?;
}
}
Ok(())
}
fn remove_many<E: IsA<Element>>(&self, elements: &[&E]) -> Result<(), glib::BoolError> {
for e in elements {
unsafe {
glib::result_from_gboolean!(
ffi::gst_bin_remove(
self.as_ref().to_glib_none().0,
e.as_ref().to_glib_none().0,
),
"Failed to remove elements"
)?;
}
}
Ok(())
}
fn connect_do_latency<F: Fn(&Self) -> Result<(), LoggableError> + Send + Sync + 'static>(
&self,
f: F,
) -> SignalHandlerId {
unsafe {
let f: Box_<F> = Box_::new(f);
connect_raw(
self.as_ptr() as *mut _,
b"do-latency\0".as_ptr() as *const _,
Some(transmute::<_, unsafe extern "C" fn()>(
do_latency_trampoline::<Self, F> as *const (),
)),
Box_::into_raw(f),
)
}
}
#[cfg(any(feature = "v1_18", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
fn iterate_all_by_element_factory_name(&self, factory_name: &str) -> crate::Iterator<Element> {
unsafe {
from_glib_full(ffi::gst_bin_iterate_all_by_element_factory_name(
self.as_ref().to_glib_none().0,
factory_name.to_glib_none().0,
))
}
}
fn iterate_all_by_interface(&self, iface: glib::types::Type) -> crate::Iterator<Element> {
unsafe {
from_glib_full(ffi::gst_bin_iterate_all_by_interface(
self.as_ref().to_glib_none().0,
iface.into_glib(),
))
}
}
fn iterate_elements(&self) -> crate::Iterator<Element> {
unsafe {
from_glib_full(ffi::gst_bin_iterate_elements(
self.as_ref().to_glib_none().0,
))
}
}
fn iterate_recurse(&self) -> crate::Iterator<Element> {
unsafe { from_glib_full(ffi::gst_bin_iterate_recurse(self.as_ref().to_glib_none().0)) }
}
fn iterate_sinks(&self) -> crate::Iterator<Element> {
unsafe { from_glib_full(ffi::gst_bin_iterate_sinks(self.as_ref().to_glib_none().0)) }
}
fn iterate_sorted(&self) -> crate::Iterator<Element> {
unsafe { from_glib_full(ffi::gst_bin_iterate_sorted(self.as_ref().to_glib_none().0)) }
}
fn iterate_sources(&self) -> crate::Iterator<Element> {
unsafe { from_glib_full(ffi::gst_bin_iterate_sources(self.as_ref().to_glib_none().0)) }
}
fn children(&self) -> Vec<Element> {
unsafe {
let bin: &ffi::GstBin = &*(self.as_ptr() as *const _);
let _guard = crate::utils::MutexGuard::lock(&bin.element.object.lock);
FromGlibPtrContainer::from_glib_none(bin.children)
}
}
fn debug_to_dot_data(&self, details: crate::DebugGraphDetails) -> GString {
crate::debug_bin_to_dot_data(self, details)
}
fn debug_to_dot_file(
&self,
details: crate::DebugGraphDetails,
file_name: impl AsRef<path::Path>,
) {
crate::debug_bin_to_dot_file(self, details, file_name)
}
fn debug_to_dot_file_with_ts(
&self,
details: crate::DebugGraphDetails,
file_name: impl AsRef<path::Path>,
) {
crate::debug_bin_to_dot_file_with_ts(self, details, file_name)
}
fn set_bin_flags(&self, flags: BinFlags) {
unsafe {
let ptr: *mut ffi::GstObject = self.as_ptr() as *mut _;
let _guard = crate::utils::MutexGuard::lock(&(*ptr).lock);
(*ptr).flags |= flags.into_glib();
}
}
fn unset_bin_flags(&self, flags: BinFlags) {
unsafe {
let ptr: *mut ffi::GstObject = self.as_ptr() as *mut _;
let _guard = crate::utils::MutexGuard::lock(&(*ptr).lock);
(*ptr).flags &= !flags.into_glib();
}
}
fn bin_flags(&self) -> BinFlags {
unsafe {
let ptr: *mut ffi::GstObject = self.as_ptr() as *mut _;
let _guard = crate::utils::MutexGuard::lock(&(*ptr).lock);
from_glib((*ptr).flags)
}
}
}
impl Default for Bin {
fn default() -> Self {
glib::object::Object::new::<Self>(&[])
}
}
#[derive(Clone, Default)]
#[must_use = "The builder must be built to be used"]
pub struct BinBuilder {
async_handling: Option<bool>,
message_forward: Option<bool>,
name: Option<String>,
}
impl BinBuilder {
pub fn new() -> Self {
Self::default()
}
#[must_use = "Building the object from the builder is usually expensive and is not expected to have side effects"]
pub fn build(self) -> Bin {
let mut properties: Vec<(&str, &dyn ToValue)> = vec![];
if let Some(ref async_handling) = self.async_handling {
properties.push(("async-handling", async_handling));
}
if let Some(ref message_forward) = self.message_forward {
properties.push(("message-forward", message_forward));
}
if let Some(ref name) = self.name {
properties.push(("name", name));
}
glib::Object::new::<Bin>(&properties)
}
pub fn async_handling(mut self, async_handling: bool) -> Self {
self.async_handling = Some(async_handling);
self
}
pub fn message_forward(mut self, message_forward: bool) -> Self {
self.message_forward = Some(message_forward);
self
}
pub fn name(mut self, name: &str) -> Self {
self.name = Some(name.to_string());
self
}
}
unsafe extern "C" fn do_latency_trampoline<
P,
F: Fn(&P) -> Result<(), LoggableError> + Send + Sync + 'static,
>(
this: *mut ffi::GstBin,
f: glib::ffi::gpointer,
) -> glib::ffi::gboolean
where
P: IsA<Bin>,
{
let f: &F = &*(f as *const F);
match f(Bin::from_glib_borrow(this).unsafe_cast_ref()) {
Ok(()) => true,
Err(err) => {
err.log_with_object(&*Bin::from_glib_borrow(this));
false
}
}
.into_glib()
}
#[cfg(test)]
mod tests {
use super::*;
use crate::prelude::*;
#[test]
fn test_get_children() {
crate::init().unwrap();
let bin = crate::Bin::new(None);
bin.add(
&crate::ElementFactory::make("identity")
.name("identity0")
.build()
.unwrap(),
)
.unwrap();
bin.add(
&crate::ElementFactory::make("identity")
.name("identity1")
.build()
.unwrap(),
)
.unwrap();
let mut child_names = bin
.children()
.iter()
.map(|c| c.name())
.collect::<Vec<GString>>();
child_names.sort();
assert_eq!(
child_names,
vec![String::from("identity0"), String::from("identity1")]
);
}
}