mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer-rs.git
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96 lines
3 KiB
Rust
96 lines
3 KiB
Rust
// Copyright (C) 2017 Sebastian Dröge <sebastian@centricular.com>
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use Bin;
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use Element;
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use glib;
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use glib::IsA;
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use glib::translate::{from_glib, from_glib_full, ToGlibPtr, ToGlib};
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use ffi;
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pub trait BinExtManual {
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fn add_many<E: IsA<Element>>(&self, elements: &[&E]) -> Result<(), glib::BoolError>;
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fn remove_many<E: IsA<Element>>(&self, elements: &[&E]) -> Result<(), glib::BoolError>;
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fn iterate_all_by_interface(&self, iface: glib::types::Type) -> ::Iterator<Element>;
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fn iterate_elements(&self) -> ::Iterator<Element>;
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fn iterate_recurse(&self) -> ::Iterator<Element>;
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fn iterate_sinks(&self) -> ::Iterator<Element>;
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fn iterate_sorted(&self) -> ::Iterator<Element>;
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fn iterate_sources(&self) -> ::Iterator<Element>;
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}
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impl<O: IsA<Bin>> BinExtManual for O {
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fn add_many<E: IsA<Element>>(&self, elements: &[&E]) -> Result<(), glib::BoolError> {
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for e in elements {
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unsafe {
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let ret: bool =
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from_glib(ffi::gst_bin_add(self.to_glib_none().0, e.to_glib_none().0));
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if !ret {
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return Err(glib::BoolError("Failed to add elements"));
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}
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}
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}
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Ok(())
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}
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fn remove_many<E: IsA<Element>>(&self, elements: &[&E]) -> Result<(), glib::BoolError> {
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for e in elements {
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unsafe {
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let ret: bool = from_glib(ffi::gst_bin_remove(
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self.to_glib_none().0,
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e.to_glib_none().0,
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));
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if !ret {
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return Err(glib::BoolError("Failed to add elements"));
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}
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}
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}
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Ok(())
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}
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fn iterate_all_by_interface(&self, iface: glib::types::Type) -> ::Iterator<Element> {
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unsafe {
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from_glib_full(ffi::gst_bin_iterate_all_by_interface(self.to_glib_none().0, iface.to_glib()))
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}
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}
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fn iterate_elements(&self) -> ::Iterator<Element> {
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unsafe {
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from_glib_full(ffi::gst_bin_iterate_elements(self.to_glib_none().0))
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}
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}
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fn iterate_recurse(&self) -> ::Iterator<Element> {
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unsafe {
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from_glib_full(ffi::gst_bin_iterate_recurse(self.to_glib_none().0))
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}
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}
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fn iterate_sinks(&self) -> ::Iterator<Element> {
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unsafe {
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from_glib_full(ffi::gst_bin_iterate_sinks(self.to_glib_none().0))
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}
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}
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fn iterate_sorted(&self) -> ::Iterator<Element> {
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unsafe {
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from_glib_full(ffi::gst_bin_iterate_sorted(self.to_glib_none().0))
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}
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}
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fn iterate_sources(&self) -> ::Iterator<Element> {
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unsafe {
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from_glib_full(ffi::gst_bin_iterate_sources(self.to_glib_none().0))
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}
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}
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}
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