gstreamer_mse/auto/

mse_src.rs

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

glib::wrapper! {
    /// [`MseSrc`][crate::MseSrc] is a source Element that interacts with a [`MediaSource`][crate::MediaSource] to
    /// consume `GstSample`<!-- -->s processed by the Media Source and supplies them
    /// to the containing `GstPipeline`. In the perspective of the Media Source API,
    /// this element fulfills the basis of the Media Element's role relating to
    /// working with a Media Source. The remaining responsibilities are meant to be
    /// fulfilled by the application and `GstPlay` can be used to satisfy many of
    /// them.
    ///
    /// Once added to a Pipeline, this element should be attached to a Media Source
    /// using [`MediaSource::attach()`][crate::MediaSource::attach()].
    ///
    /// ## Properties
    ///
    ///
    /// #### `duration`
    ///  The duration of the stream as a `GstClockTime`
    ///
    /// [Specification](https://html.spec.whatwg.org/multipage/media.html`dom`-media-duration)
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `n-audio`
    ///  The number of audio tracks in the Media Source
    ///
    /// Readable
    ///
    ///
    /// #### `n-text`
    ///  The number of text tracks in the Media Source
    ///
    /// Readable
    ///
    ///
    /// #### `n-video`
    ///  The number of video tracks in the Media Source
    ///
    /// Readable
    ///
    ///
    /// #### `position`
    ///  The playback position as a `GstClockTime`
    ///
    /// [Specification](https://html.spec.whatwg.org/multipage/media.html`current`-playback-position)
    ///
    /// Readable
    ///
    ///
    /// #### `ready-state`
    ///  The Ready State of this element, describing to what level it can supply
    /// content for the current [`position`][struct@crate::MseSrc#position]. This is a separate concept
    /// from [`ready-state`][struct@crate::MediaSource#ready-state]: and corresponds to the HTML Media
    /// Element's Ready State.
    ///
    /// [Specification](https://html.spec.whatwg.org/multipage/media.html`ready`-states)
    ///
    /// Readable
    /// <details><summary><h4>Object</h4></summary>
    ///
    ///
    /// #### `name`
    ///  Readable | Writeable | Construct
    ///
    ///
    /// #### `parent`
    ///  The parent of the object. Please note, that when changing the 'parent'
    /// property, we don't emit `GObject::notify` and [`deep-notify`][struct@crate::gst::Object#deep-notify]
    /// signals due to locking issues. In some cases one can use
    /// `GstBin::element-added` or `GstBin::element-removed` signals on the parent to
    /// achieve a similar effect.
    ///
    /// Readable | Writeable
    /// </details>
    ///
    /// # Implements
    ///
    /// [`trait@gst::prelude::ElementExt`], [`trait@gst::prelude::ObjectExt`]
    #[doc(alias = "GstMseSrc")]
    pub struct MseSrc(Object<ffi::GstMseSrc, ffi::GstMseSrcClass>) @extends gst::Element, gst::Object;

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

impl MseSrc {
    /// Gets the duration of `self`.
    ///
    /// [Specification](https://html.spec.whatwg.org/multipage/media.html`dom`-media-duration)
    ///
    /// # Returns
    ///
    /// The duration of this stream as a `GstClockTime`
    #[doc(alias = "gst_mse_src_get_duration")]
    #[doc(alias = "get_duration")]
    pub fn duration(&self) -> Option<gst::ClockTime> {
        unsafe { from_glib(ffi::gst_mse_src_get_duration(self.to_glib_none().0)) }
    }

    ///
    /// # Returns
    ///
    /// the number of audio tracks available from this source
    #[doc(alias = "gst_mse_src_get_n_audio")]
    #[doc(alias = "get_n_audio")]
    #[doc(alias = "n-audio")]
    pub fn n_audio(&self) -> u32 {
        unsafe { ffi::gst_mse_src_get_n_audio(self.to_glib_none().0) }
    }

    ///
    /// # Returns
    ///
    /// the number of text tracks available from this source
    #[doc(alias = "gst_mse_src_get_n_text")]
    #[doc(alias = "get_n_text")]
    #[doc(alias = "n-text")]
    pub fn n_text(&self) -> u32 {
        unsafe { ffi::gst_mse_src_get_n_text(self.to_glib_none().0) }
    }

    ///
    /// # Returns
    ///
    /// the number of video tracks available from this source
    #[doc(alias = "gst_mse_src_get_n_video")]
    #[doc(alias = "get_n_video")]
    #[doc(alias = "n-video")]
    pub fn n_video(&self) -> u32 {
        unsafe { ffi::gst_mse_src_get_n_video(self.to_glib_none().0) }
    }

    /// Gets the current playback position of `self`.
    ///
    /// [Specification](https://html.spec.whatwg.org/multipage/media.html`current`-playback-position)
    ///
    /// # Returns
    ///
    /// The playback position of this Element as a `GstClockTime`
    #[doc(alias = "gst_mse_src_get_position")]
    #[doc(alias = "get_position")]
    pub fn position(&self) -> Option<gst::ClockTime> {
        unsafe { from_glib(ffi::gst_mse_src_get_position(self.to_glib_none().0)) }
    }

    /// The Ready State of `self`, describing to what level it can supply content for
    /// the current [`position`][struct@crate::MseSrc#position]. This is a separate concept from
    /// [`ready-state`][struct@crate::MediaSource#ready-state]: and corresponds to the HTML Media Element's
    /// Ready State.
    ///
    /// [Specification](https://html.spec.whatwg.org/multipage/media.html`ready`-states)
    ///
    /// # Returns
    ///
    /// the current [`MseSrcReadyState`][crate::MseSrcReadyState]
    #[doc(alias = "gst_mse_src_get_ready_state")]
    #[doc(alias = "get_ready_state")]
    #[doc(alias = "ready-state")]
    pub fn ready_state(&self) -> MseSrcReadyState {
        unsafe { from_glib(ffi::gst_mse_src_get_ready_state(self.to_glib_none().0)) }
    }

    /// The duration of the stream as a `GstClockTime`
    ///
    /// [Specification](https://html.spec.whatwg.org/multipage/media.html`dom`-media-duration)
    pub fn set_duration(&self, duration: u64) {
        ObjectExt::set_property(self, "duration", duration)
    }

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

    #[doc(alias = "n-audio")]
    pub fn connect_n_audio_notify<F: Fn(&Self) + Send + Sync + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn notify_n_audio_trampoline<F: Fn(&MseSrc) + Send + Sync + 'static>(
            this: *mut ffi::GstMseSrc,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(&from_glib_borrow(this))
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"notify::n-audio".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_n_audio_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "n-text")]
    pub fn connect_n_text_notify<F: Fn(&Self) + Send + Sync + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn notify_n_text_trampoline<F: Fn(&MseSrc) + Send + Sync + 'static>(
            this: *mut ffi::GstMseSrc,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(&from_glib_borrow(this))
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"notify::n-text".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_n_text_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "n-video")]
    pub fn connect_n_video_notify<F: Fn(&Self) + Send + Sync + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn notify_n_video_trampoline<F: Fn(&MseSrc) + Send + Sync + 'static>(
            this: *mut ffi::GstMseSrc,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(&from_glib_borrow(this))
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"notify::n-video".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_n_video_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

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

    #[doc(alias = "ready-state")]
    pub fn connect_ready_state_notify<F: Fn(&Self) + Send + Sync + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn notify_ready_state_trampoline<
            F: Fn(&MseSrc) + Send + Sync + 'static,
        >(
            this: *mut ffi::GstMseSrc,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(&from_glib_borrow(this))
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"notify::ready-state".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_ready_state_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }
}

unsafe impl Send for MseSrc {}
unsafe impl Sync for MseSrc {}