gstreamer-rs/gstreamer/src/proxy_pad.rs

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// 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.
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use std::ptr;
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use Buffer;
use BufferList;
use FlowError;
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use FlowReturn;
use Object;
use Pad;
use ProxyPad;
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use glib::translate::{from_glib, from_glib_full, ToGlibPtr};
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use glib::IsA;
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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 {
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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(),
))
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}
}
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, FlowError> {
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skip_assert_initialized!();
unsafe {
let mut buffer = ptr::null_mut();
let ret: FlowReturn = 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,
));
ret.into_result_value(|| from_glib_full(buffer))
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}
}
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,
))
}
}
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}