gstreamer: fix audio volume pluginv5.5.1

Setting volume is broken on ARM when compiled with GCC 4.9, where
anything but max volume (1.0) turns into mute.

Patches taken from https://community.freescale.com/thread/350584

Change-Id: I43fe71fdb62bdeed066ec468ffe70f39e950843e
Reviewed-by: Yoann Lopes <yoann.lopes@theqtcompany.com>
Reviewed-by: Karim Pinter <karim.pinter@theqtcompany.com>

1 files changed, 23 insertions, 0 deletions

diff --git a/recipes/gstreamer/gst-plugins-base/fix-gstvolume.patch b/recipes/gstreamer/gst-plugins-base/fix-gstvolume.patch
new file mode 100644
index 0000000..d229e95
--- /dev/null
+++ b/recipes/gstreamer/gst-plugins-base/fix-gstvolume.patch
@@ -0,0 +1,23 @@
+diff --git a/gst/volume/gstvolume.c b/gst/volume/gstvolume.c
+index 0f5b362..94d03a3 100644
+--- a/gst/volume/gstvolume.c
++++ b/gst/volume/gstvolume.c
+@@ -314,10 +314,14 @@ volume_update_volume (GstVolume * self, gfloat volume,
+     self->current_mute = FALSE;
+     self->current_volume = volume;
+ 
+-    self->current_vol_i8 = volume * VOLUME_UNITY_INT8;
+-    self->current_vol_i16 = volume * VOLUME_UNITY_INT16;
+-    self->current_vol_i24 = volume * VOLUME_UNITY_INT24;
+-    self->current_vol_i32 = volume * VOLUME_UNITY_INT32;
++    self->current_vol_i8 =
++        (gint) ((gdouble) volume * (gdouble) VOLUME_UNITY_INT8);
++    self->current_vol_i16 =
++        (gint) ((gdouble) volume * (gdouble) VOLUME_UNITY_INT16);
++    self->current_vol_i24 =
++        (gint) ((gdouble) volume * (gdouble) VOLUME_UNITY_INT24);
++    self->current_vol_i32 =
++        (gint) ((gdouble) volume * (gdouble) VOLUME_UNITY_INT32);
+ 
+     passthrough = (self->current_vol_i16 == VOLUME_UNITY_INT16);
+   }