gstreamer-rs/gstreamer-rtp/src/rtp_base_payload.rs

89 lines
2.9 KiB
Rust
Raw Normal View History

use std::ptr;
use glib::{prelude::*, translate::*};
use crate::RTPBasePayload;
mod sealed {
pub trait Sealed {}
impl<T: super::IsA<super::RTPBasePayload>> Sealed for T {}
}
pub trait RTPBasePayloadExtManual: sealed::Sealed + IsA<RTPBasePayload> + 'static {
#[cfg(feature = "v1_20")]
#[cfg_attr(docsrs, doc(cfg(feature = "v1_20")))]
#[doc(alias = "gst_rtp_base_payload_set_outcaps_structure")]
#[doc(alias = "gst_rtp_base_payload_set_outcaps")]
fn set_outcaps(&self, s: Option<&gst::StructureRef>) -> Result<(), glib::error::BoolError> {
unsafe {
glib::result_from_gboolean!(
ffi::gst_rtp_base_payload_set_outcaps_structure(
self.as_ref().to_glib_none().0,
s.as_ref()
.map(|s| s.as_ptr() as *mut _)
.unwrap_or(ptr::null_mut()),
),
"Failed to negotiate by setting outcaps structure"
)
}
}
#[cfg(feature = "v1_24")]
#[cfg_attr(docsrs, doc(cfg(feature = "v1_24")))]
fn extensions(&self) -> Vec<crate::RTPHeaderExtension> {
let extensions = self.as_ref().property::<gst::Array>("extensions");
extensions
.iter()
.map(|v| v.get::<crate::RTPHeaderExtension>().unwrap())
.collect()
}
#[cfg(feature = "v1_24")]
#[cfg_attr(docsrs, doc(cfg(feature = "v1_24")))]
#[doc(alias = "extensions")]
fn connect_extensions_notify<F: Fn(&Self) + Send + Sync + 'static>(
&self,
f: F,
) -> glib::SignalHandlerId {
unsafe extern "C" fn notify_extensions_trampoline<
P: IsA<RTPBasePayload>,
F: Fn(&P) + Send + Sync + 'static,
>(
this: *mut ffi::GstRTPBasePayload,
_param_spec: glib::ffi::gpointer,
f: glib::ffi::gpointer,
) {
let f: &F = &*(f as *const F);
f(RTPBasePayload::from_glib_borrow(this).unsafe_cast_ref())
}
unsafe {
let f: Box<F> = Box::new(f);
glib::signal::connect_raw(
self.as_ptr() as *mut _,
b"notify::extensions\0".as_ptr() as *const _,
Some(std::mem::transmute::<_, unsafe extern "C" fn()>(
notify_extensions_trampoline::<Self, F> as *const (),
)),
Box::into_raw(f),
)
}
}
fn sink_pad(&self) -> &gst::Pad {
unsafe {
let elt = &*(self.as_ptr() as *const ffi::GstRTPBasePayload);
&*(&elt.sinkpad as *const *mut gst::ffi::GstPad as *const gst::Pad)
}
}
fn src_pad(&self) -> &gst::Pad {
unsafe {
let elt = &*(self.as_ptr() as *const ffi::GstRTPBasePayload);
&*(&elt.srcpad as *const *mut gst::ffi::GstPad as *const gst::Pad)
}
}
}
impl<O: IsA<RTPBasePayload>> RTPBasePayloadExtManual for O {}