interfaces: Use pow() instead of cbrt() for MSVC

diff --git a/gst-libs/gst/interfaces/streamvolume.c b/gst-libs/gst/interfaces/streamvolume.c
index a3efe46..e3d1d28 100644 (file)
--- a/gst-libs/gst/interfaces/streamvolume.c
+++ b/gst-libs/gst/interfaces/streamvolume.c
@@ -198,7 +198,7 @@ gst_stream_volume_convert_volume (GstStreamVolumeFormat from,
         case GST_STREAM_VOLUME_FORMAT_LINEAR:
           return val;
         case GST_STREAM_VOLUME_FORMAT_CUBIC:
-          return cbrt (val);
+          return pow (val, 1 / 3.0);
         case GST_STREAM_VOLUME_FORMAT_DB:
           return 20.0 * log10 (val);
       }