From ea03a621a8e4c5caf9e8eb96b53be59a098aa66e Mon Sep 17 00:00:00 2001
From: John Maguire <john.maguire@gmail.com>
Date: Thu, 5 Jun 2014 14:06:04 +0200
Subject: [PATCH] Add class mutex instead of deprecated static mutex.

---
 gst/moodbar/gstfftwspectrum.c | 9 ++++++---
 gst/moodbar/gstfftwspectrum.h | 4 ++++
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/gst/moodbar/gstfftwspectrum.c b/gst/moodbar/gstfftwspectrum.c
index 8b32e93b8..2fa3e8570 100644
--- a/gst/moodbar/gstfftwspectrum.c
+++ b/gst/moodbar/gstfftwspectrum.c
@@ -164,6 +164,8 @@ gst_fftwspectrum_class_init (GstFFTWSpectrumClass * klass)
 
   gstelement_class->change_state 
     = GST_DEBUG_FUNCPTR (gst_fftwspectrum_change_state);
+
+  g_mutex_init(&klass->mutex);
 }
 
 /* initialize the new element
@@ -221,6 +223,8 @@ gst_fftwspectrum_init (GstFFTWSpectrum * conv,
   conv->def_size = DEF_SIZE_DEFAULT;
   conv->def_step = DEF_STEP_DEFAULT;
   conv->hi_q     = HIQUALITY_DEFAULT;
+
+  conv->mutex = &gclass->mutex;
 }
 
 static void
@@ -303,13 +307,12 @@ alloc_fftw_data (GstFFTWSpectrum *conv)
    * implementing filters.
    */
 
-  static GStaticMutex mutex = G_STATIC_MUTEX_INIT;
-  g_static_mutex_lock(&mutex);
+  g_mutex_lock(conv->mutex);
   conv->fftw_plan 
     = fftw_plan_dft_r2c_1d(conv->size, conv->fftw_in,
           (fftw_complex *) conv->fftw_out,
 			    conv->hi_q ? FFTW_MEASURE : FFTW_ESTIMATE);
-  g_static_mutex_unlock(&mutex);
+  g_mutex_unlock(conv->mutex);
 }
 
 
diff --git a/gst/moodbar/gstfftwspectrum.h b/gst/moodbar/gstfftwspectrum.h
index fc7647e7c..f06d2b0e2 100644
--- a/gst/moodbar/gstfftwspectrum.h
+++ b/gst/moodbar/gstfftwspectrum.h
@@ -54,11 +54,15 @@ struct _GstFFTWSpectrum
   /* Properties */
   gint32   def_size, def_step;
   gboolean hi_q;
+
+  GMutex* mutex;
 };
 
 struct _GstFFTWSpectrumClass 
 {
   GstElementClass parent_class;
+
+  GMutex mutex;
 };
 
 GType gst_fftwspectrum_get_type (void);