gstreamer-rs/gstreamer/src/proxy_pad.rs

115 lines
3.2 KiB
Rust

// Copyright (C) 2017 Sebastian Dröge <sebastian@centricular.com>
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use std::ptr;
use Buffer;
use BufferList;
use FlowError;
use FlowReturn;
use FlowSuccess;
use Object;
use Pad;
use ProxyPad;
use glib::object::IsA;
use glib::translate::{from_glib, from_glib_full, ToGlibPtr};
use gst_sys;
pub trait ProxyPadExtManual: 'static {
fn chain_default<P: IsA<Object>>(
&self,
parent: Option<&P>,
buffer: Buffer,
) -> Result<FlowSuccess, FlowError>;
fn chain_list_default<P: IsA<Object>>(
&self,
parent: Option<&P>,
list: BufferList,
) -> Result<FlowSuccess, FlowError>;
fn getrange_default<P: IsA<Object>>(
&self,
parent: Option<&P>,
offset: u64,
size: u32,
) -> Result<Buffer, FlowError>;
fn iterate_internal_links_default<P: IsA<Object>>(
&self,
parent: Option<&P>,
) -> Option<::Iterator<Pad>>;
}
impl<O: IsA<ProxyPad>> ProxyPadExtManual for O {
fn chain_default<P: IsA<Object>>(
&self,
parent: Option<&P>,
buffer: Buffer,
) -> Result<FlowSuccess, FlowError> {
skip_assert_initialized!();
let ret: FlowReturn = unsafe {
from_glib(gst_sys::gst_proxy_pad_chain_default(
self.as_ptr() as *mut gst_sys::GstPad,
parent.map(|p| p.as_ref()).to_glib_none().0,
buffer.into_ptr(),
))
};
ret.into_result()
}
fn chain_list_default<P: IsA<Object>>(
&self,
parent: Option<&P>,
list: BufferList,
) -> Result<FlowSuccess, FlowError> {
skip_assert_initialized!();
let ret: FlowReturn = unsafe {
from_glib(gst_sys::gst_proxy_pad_chain_list_default(
self.as_ptr() as *mut gst_sys::GstPad,
parent.map(|p| p.as_ref()).to_glib_none().0,
list.into_ptr(),
))
};
ret.into_result()
}
fn getrange_default<P: IsA<Object>>(
&self,
parent: Option<&P>,
offset: u64,
size: u32,
) -> Result<Buffer, FlowError> {
skip_assert_initialized!();
unsafe {
let mut buffer = ptr::null_mut();
let ret: FlowReturn = from_glib(gst_sys::gst_proxy_pad_getrange_default(
self.as_ptr() as *mut gst_sys::GstPad,
parent.map(|p| p.as_ref()).to_glib_none().0,
offset,
size,
&mut buffer,
));
ret.into_result_value(|| from_glib_full(buffer))
}
}
fn iterate_internal_links_default<P: IsA<Object>>(
&self,
parent: Option<&P>,
) -> Option<::Iterator<Pad>> {
skip_assert_initialized!();
unsafe {
from_glib_full(gst_sys::gst_proxy_pad_iterate_internal_links_default(
self.as_ptr() as *mut gst_sys::GstPad,
parent.map(|p| p.as_ref()).to_glib_none().0,
))
}
}
}