gstreamer-audio 0.25.2

Rust bindings for GStreamer Audio library
Documentation 
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// This file was generated by gir (https://github.com/gtk-rs/gir)
// from gir-files (https://github.com/gtk-rs/gir-files)
// from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git)
// DO NOT EDIT

use crate::{StreamVolumeFormat, ffi};
use glib::{
    prelude::*,
    signal::{SignalHandlerId, connect_raw},
    translate::*,
};
use std::boxed::Box as Box_;

glib::wrapper! {
    #[doc(alias = "GstStreamVolume")]
    pub struct StreamVolume(Interface<ffi::GstStreamVolume, ffi::GstStreamVolumeInterface>);

    match fn {
        type_ => || ffi::gst_stream_volume_get_type(),
    }
}

impl StreamVolume {
    pub const NONE: Option<&'static StreamVolume> = None;

    #[doc(alias = "gst_stream_volume_convert_volume")]
    pub fn convert_volume(from: StreamVolumeFormat, to: StreamVolumeFormat, val: f64) -> f64 {
        assert_initialized_main_thread!();
        unsafe { ffi::gst_stream_volume_convert_volume(from.into_glib(), to.into_glib(), val) }
    }
}

unsafe impl Send for StreamVolume {}
unsafe impl Sync for StreamVolume {}

pub trait StreamVolumeExt: IsA<StreamVolume> + 'static {
    #[doc(alias = "gst_stream_volume_get_mute")]
    #[doc(alias = "get_mute")]
    #[doc(alias = "mute")]
    fn is_muted(&self) -> bool {
        unsafe {
            from_glib(ffi::gst_stream_volume_get_mute(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    #[doc(alias = "gst_stream_volume_get_volume")]
    #[doc(alias = "get_volume")]
    fn volume(&self, format: StreamVolumeFormat) -> f64 {
        unsafe {
            ffi::gst_stream_volume_get_volume(self.as_ref().to_glib_none().0, format.into_glib())
        }
    }

    #[doc(alias = "gst_stream_volume_set_mute")]
    #[doc(alias = "mute")]
    fn set_mute(&self, mute: bool) {
        unsafe {
            ffi::gst_stream_volume_set_mute(self.as_ref().to_glib_none().0, mute.into_glib());
        }
    }

    #[doc(alias = "gst_stream_volume_set_volume")]
    #[doc(alias = "volume")]
    fn set_volume(&self, format: StreamVolumeFormat, val: f64) {
        unsafe {
            ffi::gst_stream_volume_set_volume(
                self.as_ref().to_glib_none().0,
                format.into_glib(),
                val,
            );
        }
    }

    #[doc(alias = "mute")]
    fn connect_mute_notify<F: Fn(&Self) + Send + Sync + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_mute_trampoline<
            P: IsA<StreamVolume>,
            F: Fn(&P) + Send + Sync + 'static,
        >(
            this: *mut ffi::GstStreamVolume,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(StreamVolume::from_glib_borrow(this).unsafe_cast_ref())
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"notify::mute".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_mute_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "volume")]
    fn connect_volume_notify<F: Fn(&Self) + Send + Sync + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_volume_trampoline<
            P: IsA<StreamVolume>,
            F: Fn(&P) + Send + Sync + 'static,
        >(
            this: *mut ffi::GstStreamVolume,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(StreamVolume::from_glib_borrow(this).unsafe_cast_ref())
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"notify::volume".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_volume_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }
}

impl<O: IsA<StreamVolume>> StreamVolumeExt for O {}