gstreamer-rs/gstreamer/src/pipeline.rs

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2020-12-15 10:53:31 +00:00
// Take a look at the license at the top of the repository in the LICENSE file.
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use glib::prelude::*;
use glib::translate::*;
use crate::Pipeline;
use crate::PipelineFlags;
impl Pipeline {
// rustdoc-stripper-ignore-next
/// Creates a new builder-pattern struct instance to construct [`Pipeline`] objects.
///
/// This method returns an instance of [`PipelineBuilder`](crate::builders::PipelineBuilder) which can be used to create [`Pipeline`] objects.
pub fn builder() -> PipelineBuilder {
PipelineBuilder::default()
}
}
pub trait GstPipelineExtManual: 'static {
fn set_pipeline_flags(&self, flags: PipelineFlags);
fn unset_pipeline_flags(&self, flags: PipelineFlags);
#[doc(alias = "get_pipeline_flags")]
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fn pipeline_flags(&self) -> PipelineFlags;
}
impl<O: IsA<crate::Pipeline>> GstPipelineExtManual for O {
fn set_pipeline_flags(&self, flags: PipelineFlags) {
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_pipeline_flags(&self, flags: PipelineFlags) {
unsafe {
let ptr: *mut ffi::GstObject = self.as_ptr() as *mut _;
let _guard = crate::utils::MutexGuard::lock(&(*ptr).lock);
(*ptr).flags &= !flags.into_glib();
}
}
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fn pipeline_flags(&self) -> PipelineFlags {
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 Pipeline {
fn default() -> Self {
glib::object::Object::new::<Self>(&[])
}
}
#[derive(Clone, Default)]
// rustdoc-stripper-ignore-next
/// A [builder-pattern] type to construct [`Pipeline`] objects.
///
/// [builder-pattern]: https://doc.rust-lang.org/1.0.0/style/ownership/builders.html
#[must_use = "The builder must be built to be used"]
pub struct PipelineBuilder {
auto_flush_bus: Option<bool>,
delay: Option<u64>,
latency: Option<u64>,
async_handling: Option<bool>,
message_forward: Option<bool>,
name: Option<String>,
}
impl PipelineBuilder {
// rustdoc-stripper-ignore-next
/// Create a new [`PipelineBuilder`].
pub fn new() -> Self {
Self::default()
}
// rustdoc-stripper-ignore-next
/// Build the [`Pipeline`].
#[must_use = "Building the object from the builder is usually expensive and is not expected to have side effects"]
pub fn build(self) -> Pipeline {
let mut properties: Vec<(&str, &dyn ToValue)> = vec![];
if let Some(ref auto_flush_bus) = self.auto_flush_bus {
properties.push(("auto-flush-bus", auto_flush_bus));
}
if let Some(ref delay) = self.delay {
properties.push(("delay", delay));
}
if let Some(ref latency) = self.latency {
properties.push(("latency", latency));
}
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::<Pipeline>(&properties)
}
pub fn auto_flush_bus(mut self, auto_flush_bus: bool) -> Self {
self.auto_flush_bus = Some(auto_flush_bus);
self
}
pub fn delay(mut self, delay: u64) -> Self {
self.delay = Some(delay);
self
}
pub fn latency(mut self, latency: u64) -> Self {
self.latency = Some(latency);
self
}
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
}
}