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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::GLContext;
use glib::{prelude::*, translate::*};

glib::wrapper! {
    /// [`GLColorConvert`][crate::GLColorConvert] is an object that converts between color spaces and/or
    /// formats using OpenGL Shaders.
    ///
    /// A [`GLColorConvert`][crate::GLColorConvert] can be created with [`new()`][Self::new()], the
    /// configuration negotiated with [`transform_caps()`][Self::transform_caps()] and the
    /// conversion performed with `gst_gl_color_convert_perform()`.
    ///
    /// The glcolorconvertelement provides a GStreamer element that uses
    /// [`GLColorConvert`][crate::GLColorConvert] to convert between video formats and color spaces.
    ///
    /// # Implements
    ///
    /// [`trait@gst::prelude::ObjectExt`], [`trait@glib::ObjectExt`]
    #[doc(alias = "GstGLColorConvert")]
    pub struct GLColorConvert(Object<ffi::GstGLColorConvert, ffi::GstGLColorConvertClass>) @extends gst::Object;

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

impl GLColorConvert {
    /// ## `context`
    /// a [`GLContext`][crate::GLContext]
    ///
    /// # Returns
    ///
    /// a new [`GLColorConvert`][crate::GLColorConvert] object
    #[doc(alias = "gst_gl_color_convert_new")]
    pub fn new(context: &impl IsA<GLContext>) -> GLColorConvert {
        skip_assert_initialized!();
        unsafe {
            from_glib_full(ffi::gst_gl_color_convert_new(
                context.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Initializes `self` with the information required for conversion.
    /// ## `in_caps`
    /// input [`gst::Caps`][crate::gst::Caps]
    /// ## `out_caps`
    /// output [`gst::Caps`][crate::gst::Caps]
    #[doc(alias = "gst_gl_color_convert_set_caps")]
    pub fn set_caps(
        &self,
        in_caps: &gst::Caps,
        out_caps: &gst::Caps,
    ) -> Result<(), glib::error::BoolError> {
        unsafe {
            glib::result_from_gboolean!(
                ffi::gst_gl_color_convert_set_caps(
                    self.to_glib_none().0,
                    in_caps.to_glib_none().0,
                    out_caps.to_glib_none().0
                ),
                "Failed to set caps"
            )
        }
    }

    /// ## `context`
    /// a [`GLContext`][crate::GLContext]
    ///
    /// # Returns
    ///
    /// a shader string that can be used to swizzle vec
    /// components in a GLSL shader.
    #[cfg(feature = "v1_24")]
    #[cfg_attr(docsrs, doc(cfg(feature = "v1_24")))]
    #[doc(alias = "gst_gl_color_convert_swizzle_shader_string")]
    pub fn swizzle_shader_string(context: &impl IsA<GLContext>) -> glib::GString {
        skip_assert_initialized!();
        unsafe {
            from_glib_full(ffi::gst_gl_color_convert_swizzle_shader_string(
                context.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Provides an implementation of `GstBaseTransformClass.transform_caps()`
    /// ## `context`
    /// a [`GLContext`][crate::GLContext] to use for transforming `caps`
    /// ## `direction`
    /// a [`gst::PadDirection`][crate::gst::PadDirection]
    /// ## `caps`
    /// the [`gst::Caps`][crate::gst::Caps] to transform
    /// ## `filter`
    /// a set of filter [`gst::Caps`][crate::gst::Caps]
    ///
    /// # Returns
    ///
    /// the converted [`gst::Caps`][crate::gst::Caps]
    #[doc(alias = "gst_gl_color_convert_transform_caps")]
    pub fn transform_caps(
        context: &impl IsA<GLContext>,
        direction: gst::PadDirection,
        caps: &gst::Caps,
        filter: &gst::Caps,
    ) -> gst::Caps {
        skip_assert_initialized!();
        unsafe {
            from_glib_full(ffi::gst_gl_color_convert_transform_caps(
                context.as_ref().to_glib_none().0,
                direction.into_glib(),
                caps.to_glib_none().0,
                filter.to_glib_none().0,
            ))
        }
    }

    /// The returned glsl function has declaration:
    ///
    /// `vec3 yuv_to_rgb (vec3 rgb, vec3 offset, vec3 ycoeff, vec3 ucoeff, vec3 vcoeff);`
    ///
    /// The Y component is placed in the 0th index of the returned value, The U component in the
    /// 1st, and the V component in the 2nd. offset, ycoeff, ucoeff, and vcoeff are the
    /// specific coefficients and offset used for the conversion.
    /// ## `context`
    /// a [`GLContext`][crate::GLContext]
    ///
    /// # Returns
    ///
    /// a glsl function that can be used to convert from
    /// yuv to rgb
    #[cfg(feature = "v1_24")]
    #[cfg_attr(docsrs, doc(cfg(feature = "v1_24")))]
    #[doc(alias = "gst_gl_color_convert_yuv_to_rgb_shader_string")]
    pub fn yuv_to_rgb_shader_string(context: &impl IsA<GLContext>) -> glib::GString {
        skip_assert_initialized!();
        unsafe {
            from_glib_full(ffi::gst_gl_color_convert_yuv_to_rgb_shader_string(
                context.as_ref().to_glib_none().0,
            ))
        }
    }
}

unsafe impl Send for GLColorConvert {}
unsafe impl Sync for GLColorConvert {}