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 FlowSuccess;
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use Object;
use Pad;
use ProxyPad;
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use glib::object::IsA;
use glib::translate::{from_glib, from_glib_full, ToGlibPtr};
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use gst_sys;
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impl ProxyPad {
pub fn chain_default<O: IsA<ProxyPad>, P: IsA<Object>>(
pad: &O,
parent: Option<&P>,
buffer: Buffer,
) -> Result<FlowSuccess, FlowError> {
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skip_assert_initialized!();
let ret: FlowReturn = unsafe {
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from_glib(gst_sys::gst_proxy_pad_chain_default(
pad.as_ptr() as *mut gst_sys::GstPad,
parent.map(|p| p.as_ref()).to_glib_none().0,
buffer.into_ptr(),
))
};
ret.into_result()
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}
pub fn chain_list_default<O: IsA<ProxyPad>, P: IsA<Object>>(
pad: &O,
parent: Option<&P>,
list: BufferList,
) -> Result<FlowSuccess, FlowError> {
skip_assert_initialized!();
let ret: FlowReturn = unsafe {
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from_glib(gst_sys::gst_proxy_pad_chain_list_default(
pad.as_ptr() as *mut gst_sys::GstPad,
parent.map(|p| p.as_ref()).to_glib_none().0,
list.into_ptr(),
))
};
ret.into_result()
}
pub fn getrange_default<O: IsA<ProxyPad>, P: IsA<Object>>(
pad: &O,
parent: Option<&P>,
offset: u64,
size: u32,
) -> Result<Buffer, FlowError> {
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skip_assert_initialized!();
unsafe {
let mut buffer = ptr::null_mut();
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let ret: FlowReturn = from_glib(gst_sys::gst_proxy_pad_getrange_default(
pad.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))
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}
}
pub fn iterate_internal_links_default<O: IsA<ProxyPad>, P: IsA<Object>>(
pad: &O,
parent: Option<&P>,
) -> Option<::Iterator<Pad>> {
skip_assert_initialized!();
unsafe {
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from_glib_full(gst_sys::gst_proxy_pad_iterate_internal_links_default(
pad.as_ptr() as *mut gst_sys::GstPad,
parent.map(|p| p.as_ref()).to_glib_none().0,
))
}
}
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}