gstreamer-rs/gstreamer/src/proxy_pad.rs
2018-04-25 11:13:14 +03:00

100 lines
2.8 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 FlowReturn;
use Object;
use Pad;
use ProxyPad;
use glib::translate::{from_glib, from_glib_full, ToGlibPtr};
use glib::IsA;
use ffi;
impl ProxyPad {
pub fn chain_default<'a, P: IsA<ProxyPad>, Q: IsA<Object> + 'a, R: Into<Option<&'a Q>>>(
pad: &P,
parent: R,
buffer: Buffer,
) -> FlowReturn {
skip_assert_initialized!();
let parent = parent.into();
let parent = parent.to_glib_none();
unsafe {
from_glib(ffi::gst_proxy_pad_chain_default(
pad.to_glib_none().0 as *mut ffi::GstPad,
parent.0,
buffer.into_ptr(),
))
}
}
pub fn chain_list_default<'a, P: IsA<ProxyPad>, Q: IsA<Object> + 'a, R: Into<Option<&'a Q>>>(
pad: &P,
parent: R,
list: BufferList,
) -> FlowReturn {
skip_assert_initialized!();
let parent = parent.into();
let parent = parent.to_glib_none();
unsafe {
from_glib(ffi::gst_proxy_pad_chain_list_default(
pad.to_glib_none().0 as *mut ffi::GstPad,
parent.0,
list.into_ptr(),
))
}
}
pub fn getrange_default<P: IsA<ProxyPad>, Q: IsA<Object>>(
pad: &P,
parent: &Q,
offset: u64,
size: u32,
) -> Result<Buffer, FlowReturn> {
skip_assert_initialized!();
unsafe {
let mut buffer = ptr::null_mut();
let ret = from_glib(ffi::gst_proxy_pad_getrange_default(
pad.to_glib_none().0 as *mut ffi::GstPad,
parent.to_glib_none().0,
offset,
size,
&mut buffer,
));
if ret == FlowReturn::Ok {
Ok(from_glib_full(buffer))
} else {
Err(ret)
}
}
}
pub fn iterate_internal_links_default<
'a,
P: IsA<ProxyPad>,
Q: IsA<Object> + 'a,
R: Into<Option<&'a Q>>,
>(
pad: &P,
parent: R,
) -> Option<::Iterator<Pad>> {
skip_assert_initialized!();
let parent = parent.into();
let parent = parent.to_glib_none();
unsafe {
from_glib_full(ffi::gst_proxy_pad_iterate_internal_links_default(
pad.to_glib_none().0 as *mut ffi::GstPad,
parent.0,
))
}
}
}