video: Add bindings for ColorBalance / ColorBalanceChannel

gstreamer-video/Gir.toml

@@ -17,6 +17,9 @@ external_libraries = [
 ]
 
 generate = [
+    "GstVideo.ColorBalance",
+    "GstVideo.ColorBalanceChannel",
+    "GstVideo.ColorBalanceType",
     "GstVideo.VideoAFDSpec",
     "GstVideo.VideoAFDValue",
     "GstVideo.VideoAggregatorParallelConvertPad",

gstreamer-video/src/auto/color_balance.rs

@@ -0,0 +1,135 @@
+// 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::ColorBalanceChannel;
+use crate::ColorBalanceType;
+use glib::object::Cast;
+use glib::object::IsA;
+use glib::signal::connect_raw;
+use glib::signal::SignalHandlerId;
+use glib::translate::*;
+use std::boxed::Box as Box_;
+use std::mem::transmute;
+
+glib::wrapper! {
+    #[doc(alias = "GstColorBalance")]
+    pub struct ColorBalance(Interface<ffi::GstColorBalance, ffi::GstColorBalanceInterface>);
+
+    match fn {
+        type_ => || ffi::gst_color_balance_get_type(),
+    }
+}
+
+unsafe impl Send for ColorBalance {}
+unsafe impl Sync for ColorBalance {}
+
+impl ColorBalance {
+    pub const NONE: Option<&'static ColorBalance> = None;
+}
+
+pub trait ColorBalanceExt: 'static {
+    #[doc(alias = "gst_color_balance_get_balance_type")]
+    #[doc(alias = "get_balance_type")]
+    fn balance_type(&self) -> ColorBalanceType;
+
+    #[doc(alias = "gst_color_balance_get_value")]
+    #[doc(alias = "get_value")]
+    fn value(&self, channel: &impl IsA<ColorBalanceChannel>) -> i32;
+
+    #[doc(alias = "gst_color_balance_list_channels")]
+    fn list_channels(&self) -> Vec<ColorBalanceChannel>;
+
+    #[doc(alias = "gst_color_balance_set_value")]
+    fn set_value(&self, channel: &impl IsA<ColorBalanceChannel>, value: i32);
+
+    #[doc(alias = "gst_color_balance_value_changed")]
+    fn value_changed(&self, channel: &impl IsA<ColorBalanceChannel>, value: i32);
+
+    #[doc(alias = "value-changed")]
+    fn connect_value_changed<F: Fn(&Self, &ColorBalanceChannel, i32) + Send + Sync + 'static>(
+        &self,
+        f: F,
+    ) -> SignalHandlerId;
+}
+
+impl<O: IsA<ColorBalance>> ColorBalanceExt for O {
+    fn balance_type(&self) -> ColorBalanceType {
+        unsafe {
+            from_glib(ffi::gst_color_balance_get_balance_type(
+                self.as_ref().to_glib_none().0,
+            ))
+        }
+    }
+
+    fn value(&self, channel: &impl IsA<ColorBalanceChannel>) -> i32 {
+        unsafe {
+            ffi::gst_color_balance_get_value(
+                self.as_ref().to_glib_none().0,
+                channel.as_ref().to_glib_none().0,
+            )
+        }
+    }
+
+    fn list_channels(&self) -> Vec<ColorBalanceChannel> {
+        unsafe {
+            FromGlibPtrContainer::from_glib_none(ffi::gst_color_balance_list_channels(
+                self.as_ref().to_glib_none().0,
+            ))
+        }
+    }
+
+    fn set_value(&self, channel: &impl IsA<ColorBalanceChannel>, value: i32) {
+        unsafe {
+            ffi::gst_color_balance_set_value(
+                self.as_ref().to_glib_none().0,
+                channel.as_ref().to_glib_none().0,
+                value,
+            );
+        }
+    }
+
+    fn value_changed(&self, channel: &impl IsA<ColorBalanceChannel>, value: i32) {
+        unsafe {
+            ffi::gst_color_balance_value_changed(
+                self.as_ref().to_glib_none().0,
+                channel.as_ref().to_glib_none().0,
+                value,
+            );
+        }
+    }
+
+    fn connect_value_changed<F: Fn(&Self, &ColorBalanceChannel, i32) + Send + Sync + 'static>(
+        &self,
+        f: F,
+    ) -> SignalHandlerId {
+        unsafe extern "C" fn value_changed_trampoline<
+            P: IsA<ColorBalance>,
+            F: Fn(&P, &ColorBalanceChannel, i32) + Send + Sync + 'static,
+        >(
+            this: *mut ffi::GstColorBalance,
+            channel: *mut ffi::GstColorBalanceChannel,
+            value: libc::c_int,
+            f: glib::ffi::gpointer,
+        ) {
+            let f: &F = &*(f as *const F);
+            f(
+                ColorBalance::from_glib_borrow(this).unsafe_cast_ref(),
+                &from_glib_borrow(channel),
+                value,
+            )
+        }
+        unsafe {
+            let f: Box_<F> = Box_::new(f);
+            connect_raw(
+                self.as_ptr() as *mut _,
+                b"value-changed\0".as_ptr() as *const _,
+                Some(transmute::<_, unsafe extern "C" fn()>(
+                    value_changed_trampoline::<Self, F> as *const (),
+                )),
+                Box_::into_raw(f),
+            )
+        }
+    }
+}

gstreamer-video/src/auto/color_balance_channel.rs

@@ -0,0 +1,69 @@
+// 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 glib::object::Cast;
+use glib::object::IsA;
+use glib::signal::connect_raw;
+use glib::signal::SignalHandlerId;
+use glib::translate::*;
+use std::boxed::Box as Box_;
+use std::mem::transmute;
+
+glib::wrapper! {
+    #[doc(alias = "GstColorBalanceChannel")]
+    pub struct ColorBalanceChannel(Object<ffi::GstColorBalanceChannel, ffi::GstColorBalanceChannelClass>);
+
+    match fn {
+        type_ => || ffi::gst_color_balance_channel_get_type(),
+    }
+}
+
+unsafe impl Send for ColorBalanceChannel {}
+unsafe impl Sync for ColorBalanceChannel {}
+
+impl ColorBalanceChannel {
+    pub const NONE: Option<&'static ColorBalanceChannel> = None;
+}
+
+pub trait ColorBalanceChannelExt: 'static {
+    #[doc(alias = "value-changed")]
+    fn connect_value_changed<F: Fn(&Self, i32) + Send + Sync + 'static>(
+        &self,
+        f: F,
+    ) -> SignalHandlerId;
+}
+
+impl<O: IsA<ColorBalanceChannel>> ColorBalanceChannelExt for O {
+    fn connect_value_changed<F: Fn(&Self, i32) + Send + Sync + 'static>(
+        &self,
+        f: F,
+    ) -> SignalHandlerId {
+        unsafe extern "C" fn value_changed_trampoline<
+            P: IsA<ColorBalanceChannel>,
+            F: Fn(&P, i32) + Send + Sync + 'static,
+        >(
+            this: *mut ffi::GstColorBalanceChannel,
+            value: libc::c_int,
+            f: glib::ffi::gpointer,
+        ) {
+            let f: &F = &*(f as *const F);
+            f(
+                ColorBalanceChannel::from_glib_borrow(this).unsafe_cast_ref(),
+                value,
+            )
+        }
+        unsafe {
+            let f: Box_<F> = Box_::new(f);
+            connect_raw(
+                self.as_ptr() as *mut _,
+                b"value-changed\0".as_ptr() as *const _,
+                Some(transmute::<_, unsafe extern "C" fn()>(
+                    value_changed_trampoline::<Self, F> as *const (),
+                )),
+                Box_::into_raw(f),
+            )
+        }
+    }
+}

gstreamer-video/src/auto/enums.rs

@@ -11,6 +11,76 @@ use glib::Type;
 use std::ffi::CStr;
 use std::fmt;
 
+#[derive(Debug, Eq, PartialEq, Ord, PartialOrd, Hash, Clone, Copy)]
+#[non_exhaustive]
+#[doc(alias = "GstColorBalanceType")]
+pub enum ColorBalanceType {
+    #[doc(alias = "GST_COLOR_BALANCE_HARDWARE")]
+    Hardware,
+    #[doc(alias = "GST_COLOR_BALANCE_SOFTWARE")]
+    Software,
+    #[doc(hidden)]
+    __Unknown(i32),
+}
+
+#[doc(hidden)]
+impl IntoGlib for ColorBalanceType {
+    type GlibType = ffi::GstColorBalanceType;
+
+    fn into_glib(self) -> ffi::GstColorBalanceType {
+        match self {
+            Self::Hardware => ffi::GST_COLOR_BALANCE_HARDWARE,
+            Self::Software => ffi::GST_COLOR_BALANCE_SOFTWARE,
+            Self::__Unknown(value) => value,
+        }
+    }
+}
+
+#[doc(hidden)]
+impl FromGlib<ffi::GstColorBalanceType> for ColorBalanceType {
+    unsafe fn from_glib(value: ffi::GstColorBalanceType) -> Self {
+        skip_assert_initialized!();
+        match value {
+            ffi::GST_COLOR_BALANCE_HARDWARE => Self::Hardware,
+            ffi::GST_COLOR_BALANCE_SOFTWARE => Self::Software,
+            value => Self::__Unknown(value),
+        }
+    }
+}
+
+impl StaticType for ColorBalanceType {
+    fn static_type() -> Type {
+        unsafe { from_glib(ffi::gst_color_balance_type_get_type()) }
+    }
+}
+
+impl glib::value::ValueType for ColorBalanceType {
+    type Type = Self;
+}
+
+unsafe impl<'a> FromValue<'a> for ColorBalanceType {
+    type Checker = glib::value::GenericValueTypeChecker<Self>;
+
+    unsafe fn from_value(value: &'a glib::Value) -> Self {
+        skip_assert_initialized!();
+        from_glib(glib::gobject_ffi::g_value_get_enum(value.to_glib_none().0))
+    }
+}
+
+impl ToValue for ColorBalanceType {
+    fn to_value(&self) -> glib::Value {
+        let mut value = glib::Value::for_value_type::<Self>();
+        unsafe {
+            glib::gobject_ffi::g_value_set_enum(value.to_glib_none_mut().0, self.into_glib());
+        }
+        value
+    }
+
+    fn value_type(&self) -> glib::Type {
+        Self::static_type()
+    }
+}
+
 #[cfg(any(feature = "v1_18", feature = "dox"))]
 #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
 #[derive(Debug, Eq, PartialEq, Ord, PartialOrd, Hash, Clone, Copy)]

gstreamer-video/src/auto/mod.rs

@@ -3,6 +3,12 @@
 // from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git)
 // DO NOT EDIT
 
+mod color_balance;
+pub use self::color_balance::ColorBalance;
+
+mod color_balance_channel;
+pub use self::color_balance_channel::ColorBalanceChannel;
+
 #[cfg(any(feature = "v1_20", feature = "dox"))]
 #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
 mod video_aggregator_parallel_convert_pad;
@@ -32,6 +38,7 @@ mod video_sink;
 pub use self::video_sink::VideoSink;
 
 mod enums;
+pub use self::enums::ColorBalanceType;
 #[cfg(any(feature = "v1_18", feature = "dox"))]
 #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
 pub use self::enums::VideoAFDSpec;
@@ -82,6 +89,8 @@ pub use self::flags::VideoTimeCodeFlags;
 
 #[doc(hidden)]
 pub mod traits {
+    pub use super::color_balance::ColorBalanceExt;
+    pub use super::color_balance_channel::ColorBalanceChannelExt;
     pub use super::video_decoder::VideoDecoderExt;
     pub use super::video_encoder::VideoEncoderExt;
     pub use super::video_orientation::VideoOrientationExt;

gstreamer-video/src/color_balance_channel.rs

@@ -0,0 +1,19 @@
+// Take a look at the license at the top of the repository in the LICENSE file.
+
+use crate::ColorBalanceChannel;
+use glib::prelude::*;
+use glib::translate::*;
+
+impl ColorBalanceChannel {
+    pub fn label(&self) -> glib::GString {
+        unsafe { from_glib_none((*self.as_ptr()).label) }
+    }
+
+    pub fn min_value(&self) -> i32 {
+        unsafe { (*self.as_ptr()).min_value }
+    }
+
+    pub fn max_value(&self) -> i32 {
+        unsafe { (*self.as_ptr()).max_value }
+    }
+}

gstreamer-video/src/lib.rs

@@ -114,6 +114,8 @@ mod video_hdr;
 #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
 pub use crate::video_hdr::*;
 
+mod color_balance_channel;
+
 pub const VIDEO_ENCODER_FLOW_NEED_DATA: gst::FlowSuccess = gst::FlowSuccess::CustomSuccess;
 pub const VIDEO_DECODER_FLOW_NEED_DATA: gst::FlowSuccess = gst::FlowSuccess::CustomSuccess;