Add GstStreamVolume interface

Gir_GstAudio.toml

@@ -21,6 +21,8 @@ generate = [
     "GstAudio.AudioLayout",
     "GstAudio.AudioPackFlags",
     "GstAudio.AudioChannelPosition",
+    "GstAudio.StreamVolume",
+    "GstAudio.StreamVolumeFormat",
 ]
 
 manual = [

gstreamer-audio/src/auto/enums.rs

-// This file was generated by gir (3294959+) from gir-files (???)
+// This file was generated by gir (3294959) from gir-files (???)
 // DO NOT EDIT
 
 use ffi;
@@ -357,3 +357,39 @@ impl SetValue for AudioLayout {
     }
 }
 
+#[derive(Clone, Copy, Debug, Eq, PartialEq, Hash)]
+pub enum StreamVolumeFormat {
+    Linear,
+    Cubic,
+    Db,
+    #[doc(hidden)]
+    __Unknown(i32),
+}
+
+#[doc(hidden)]
+impl ToGlib for StreamVolumeFormat {
+    type GlibType = ffi::GstStreamVolumeFormat;
+
+    fn to_glib(&self) -> ffi::GstStreamVolumeFormat {
+        match *self {
+            StreamVolumeFormat::Linear => ffi::GST_STREAM_VOLUME_FORMAT_LINEAR,
+            StreamVolumeFormat::Cubic => ffi::GST_STREAM_VOLUME_FORMAT_CUBIC,
+            StreamVolumeFormat::Db => ffi::GST_STREAM_VOLUME_FORMAT_DB,
+            StreamVolumeFormat::__Unknown(value) => unsafe{std::mem::transmute(value)}
+        }
+    }
+}
+
+#[doc(hidden)]
+impl FromGlib<ffi::GstStreamVolumeFormat> for StreamVolumeFormat {
+    fn from_glib(value: ffi::GstStreamVolumeFormat) -> Self {
+        skip_assert_initialized!();
+        match value as i32 {
+            0 => StreamVolumeFormat::Linear,
+            1 => StreamVolumeFormat::Cubic,
+            2 => StreamVolumeFormat::Db,
+            value => StreamVolumeFormat::__Unknown(value),
+        }
+    }
+}
+

gstreamer-audio/src/auto/flags.rs

-// This file was generated by gir (3294959+) from gir-files (???)
+// This file was generated by gir (3294959) from gir-files (???)
 // DO NOT EDIT
 
 use ffi;

gstreamer-audio/src/auto/mod.rs

-// This file was generated by gir (3294959+) from gir-files (???)
+// This file was generated by gir (3294959) from gir-files (???)
 // DO NOT EDIT
 
+mod stream_volume;
+pub use self::stream_volume::StreamVolume;
+pub use self::stream_volume::StreamVolumeExt;
+
 mod enums;
 pub use self::enums::AudioChannelPosition;
 pub use self::enums::AudioFormat;
 pub use self::enums::AudioLayout;
+pub use self::enums::StreamVolumeFormat;
 
 mod flags;
 pub use self::flags::AudioFlags;
@@ -22,4 +27,5 @@ pub use self::flags::AUDIO_PACK_FLAG_TRUNCATE_RANGE;
 
 #[doc(hidden)]
 pub mod traits {
+    pub use super::StreamVolumeExt;
 }

gstreamer-audio/src/auto/stream_volume.rs

+// This file was generated by gir (3294959) from gir-files (???)
+// DO NOT EDIT
+
+use StreamVolumeFormat;
+use ffi;
+use glib::object::IsA;
+use glib::translate::*;
+use glib_ffi;
+use gobject_ffi;
+use std::mem;
+use std::ptr;
+
+glib_wrapper! {
+    pub struct StreamVolume(Object<ffi::GstStreamVolume>);
+
+    match fn {
+        get_type => || ffi::gst_stream_volume_get_type(),
+    }
+}
+
+impl StreamVolume {
+    pub fn convert_volume(from: StreamVolumeFormat, to: StreamVolumeFormat, val: f64) -> f64 {
+        assert_initialized_main_thread!();
+        unsafe {
+            ffi::gst_stream_volume_convert_volume(from.to_glib(), to.to_glib(), val)
+        }
+    }
+}
+
+unsafe impl Send for StreamVolume {}
+unsafe impl Sync for StreamVolume {}
+
+pub trait StreamVolumeExt {
+    fn get_mute(&self) -> bool;
+
+    fn get_volume(&self, format: StreamVolumeFormat) -> f64;
+
+    fn set_mute(&self, mute: bool);
+
+    fn set_volume(&self, format: StreamVolumeFormat, val: f64);
+}
+
+impl<O: IsA<StreamVolume>> StreamVolumeExt for O {
+    fn get_mute(&self) -> bool {
+        unsafe {
+            from_glib(ffi::gst_stream_volume_get_mute(self.to_glib_none().0))
+        }
+    }
+
+    fn get_volume(&self, format: StreamVolumeFormat) -> f64 {
+        unsafe {
+            ffi::gst_stream_volume_get_volume(self.to_glib_none().0, format.to_glib())
+        }
+    }
+
+    fn set_mute(&self, mute: bool) {
+        unsafe {
+            ffi::gst_stream_volume_set_mute(self.to_glib_none().0, mute.to_glib());
+        }
+    }
+
+    fn set_volume(&self, format: StreamVolumeFormat, val: f64) {
+        unsafe {
+            ffi::gst_stream_volume_set_volume(self.to_glib_none().0, format.to_glib(), val);
+        }
+    }
+}