Move the equalizer plugin across from -bad

Original commit message from CVS:
* configure.ac:
* docs/plugins/Makefile.am:
* docs/plugins/gst-plugins-good-plugins-docs.sgml:
* docs/plugins/gst-plugins-good-plugins-sections.txt:
* docs/plugins/gst-plugins-good-plugins.args:
* docs/plugins/gst-plugins-good-plugins.hierarchy:
* docs/plugins/gst-plugins-good-plugins.interfaces:
* docs/plugins/inspect/plugin-equalizer.xml:
* gst/equalizer/Makefile.am:
* tests/check/Makefile.am:
* tests/examples/Makefile.am:
Move the equalizer plugin across from -bad
* tests/check/elements/.cvsignore:
Add equalizer, audiosincwband and audiosincwlimit
* tests/check/elements/equalizer.c:
Fix compiler warnings

14 files changed, 330 insertions, 19 deletions

diff --git a/ChangeLog b/ChangeLog
index 890ebb2f..c25c9112 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,24 @@
+2008-02-08  Jan Schmidt  <jan.schmidt@sun.com>
+
+	* configure.ac:
+	* docs/plugins/Makefile.am:
+	* docs/plugins/gst-plugins-good-plugins-docs.sgml:
+	* docs/plugins/gst-plugins-good-plugins-sections.txt:
+	* docs/plugins/gst-plugins-good-plugins.args:
+	* docs/plugins/gst-plugins-good-plugins.hierarchy:
+	* docs/plugins/gst-plugins-good-plugins.interfaces:
+	* docs/plugins/inspect/plugin-equalizer.xml:
+	* gst/equalizer/Makefile.am:
+	* tests/check/Makefile.am:
+	* tests/examples/Makefile.am:
+	Move the equalizer plugin across from -bad
+
+	* tests/check/elements/.cvsignore:
+	Add equalizer, audiosincwband and audiosincwlimit
+
+	* tests/check/elements/equalizer.c:
+	Fix compiler warnings
+
 2008-02-07  Jan Schmidt  <jan.schmidt@sun.com>
 
 	* configure.ac:
diff --git a/configure.ac b/configure.ac
index 3efd8aee..0fe788f1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -89,6 +89,7 @@ GST_PLUGINS_ALL="\
 		cutter \
 		debug \
 		effectv \
+		equalizer \
 		id3demux \
 		icydemux \
 		flx \
@@ -1012,6 +1013,7 @@ gst/avi/Makefile
 gst/cutter/Makefile
 gst/debug/Makefile
 gst/effectv/Makefile
+gst/equalizer/Makefile
 gst/id3demux/Makefile
 gst/icydemux/Makefile
 gst/goom/Makefile
@@ -1066,6 +1068,7 @@ po/Makefile.in
 tests/Makefile
 tests/check/Makefile
 tests/examples/Makefile
+tests/examples/equalizer/Makefile
 tests/examples/level/Makefile
 tests/examples/rtp/Makefile
 tests/files/Makefile
diff --git a/docs/plugins/Makefile.am b/docs/plugins/Makefile.am
index b54d2873..8384b765 100644
--- a/docs/plugins/Makefile.am
+++ b/docs/plugins/Makefile.am
@@ -81,6 +81,10 @@ EXTRA_HFILES = \
 	$(top_srcdir)/ext/cdio/gstcdiocddasrc.h \
 	$(top_srcdir)/ext/dv/gstdvdec.h \
 	$(top_srcdir)/ext/dv/gstdvdemux.h \
+	$(top_srcdir)/gst/equalizer/gstiirequalizer.h \
+	$(top_srcdir)/gst/equalizer/gstiirequalizer3bands.h \
+	$(top_srcdir)/gst/equalizer/gstiirequalizer10bands.h \
+	$(top_srcdir)/gst/equalizer/gstiirequalizernbands.h \
 	$(top_srcdir)/ext/esd/esdsink.h \
 	$(top_srcdir)/ext/flac/gstflacdec.h \
 	$(top_srcdir)/ext/hal/gsthalaudiosink.h \
diff --git a/docs/plugins/gst-plugins-good-plugins-docs.sgml b/docs/plugins/gst-plugins-good-plugins-docs.sgml
index 9a99842c..b711d34c 100644
--- a/docs/plugins/gst-plugins-good-plugins-docs.sgml
+++ b/docs/plugins/gst-plugins-good-plugins-docs.sgml
@@ -36,6 +36,9 @@
     <xi:include href="xml/element-directsoundsink.xml" />
     <xi:include href="xml/element-dvdec.xml" />
     <xi:include href="xml/element-dvdemux.xml" />
+    <xi:include href="xml/element-equalizer-10bands.xml" />
+    <xi:include href="xml/element-equalizer-3bands.xml" />
+    <xi:include href="xml/element-equalizer-nbands.xml" />
     <xi:include href="xml/element-esdsink.xml" />
     <xi:include href="xml/element-flacdec.xml" />
     <xi:include href="xml/element-gamma.xml" />
@@ -102,6 +105,7 @@
     <xi:include href="xml/plugin-directsound.xml" />
     <xi:include href="xml/plugin-dv.xml" />
     <xi:include href="xml/plugin-efence.xml" />
+    <xi:include href="xml/plugin-equalizer.xml" />
     <xi:include href="xml/plugin-effectv.xml" />
     <xi:include href="xml/plugin-esdsink.xml" />
     <xi:include href="xml/plugin-flac.xml" />
diff --git a/docs/plugins/gst-plugins-good-plugins-sections.txt b/docs/plugins/gst-plugins-good-plugins-sections.txt
index b4ee20b9..db844a8b 100644
--- a/docs/plugins/gst-plugins-good-plugins-sections.txt
+++ b/docs/plugins/gst-plugins-good-plugins-sections.txt
@@ -376,6 +376,68 @@ gst_dvdemux_get_type
 </SECTION>
 
 <SECTION>
+<FILE>gstiirequalizer</FILE>
+<TITLE>GstIirEqualize</TITLE>
+GstIirEqualizer
+<SUBSECTION Standard>
+GstIirEqualizerBand
+GstIirEqualizerClass
+GST_IIR_EQUALIZER
+GST_IIR_EQUALIZER_CLASS
+GST_IS_IIR_EQUALIZER
+GST_IS_IIR_EQUALIZER_CLASS
+GST_TYPE_IIR_EQUALIZER
+gst_iir_equalizer_get_type
+gst_iir_equalizer_compute_frequencies
+</SECTION>
+
+<SECTION>
+<FILE>element-equalizer-3bands</FILE>
+<TITLE>equalizer-3bands</TITLE>
+GstIirEqualizer3Bands
+<SUBSECTION Standard>
+GstIirEqualizer3BandsClass
+GST_IIR_EQUALIZER_3BANDS
+GST_IIR_EQUALIZER_3BANDS_CLASS
+GST_IS_IIR_EQUALIZER_3BANDS
+GST_IS_IIR_EQUALIZER_3BANDS_CLASS
+GST_TYPE_IIR_EQUALIZER_3BANDS
+gst_iir_equalizer_3bands_get_type
+</SECTION>
+
+<SECTION>
+<FILE>element-equalizer-10bands</FILE>
+<TITLE>equalizer-10bands</TITLE>
+GstIirEqualizer10Bands
+<SUBSECTION Standard>
+GstIirEqualizer10BandsClass
+GST_IIR_EQUALIZER_10BANDS
+GST_IIR_EQUALIZER_10BANDS_CLASS
+GST_IS_IIR_EQUALIZER_10BANDS
+GST_IS_IIR_EQUALIZER_10BANDS_CLASS
+GST_TYPE_IIR_EQUALIZER_10BANDS
+gst_iir_equalizer_10bands_get_type
+</SECTION>
+
+<SECTION>
+<FILE>element-equalizer-nbands</FILE>
+<TITLE>equalizer-nbands</TITLE>
+GstIirEqualizerNBands
+<SUBSECTION Standard>
+GstIirEqualizerNBandsClass
+GST_IIR_EQUALIZER_NBANDS
+GST_IIR_EQUALIZER_NBANDS_CLASS
+GST_IS_IIR_EQUALIZER_NBANDS
+GST_IS_IIR_EQUALIZER_NBANDS_CLASS
+GST_TYPE_IIR_EQUALIZER_NBANDS
+gst_iir_equalizer_nbands_get_type
+<SUBSECTION Private>
+HIGHEST_FREQ
+LOWEST_FREQ
+ProcessFunc
+</SECTION>
+
+<SECTION>
 <FILE>element-esdsink</FILE>
 <TITLE>esdsink</TITLE>
 GstEsdSink
diff --git a/docs/plugins/gst-plugins-good-plugins.args b/docs/plugins/gst-plugins-good-plugins.args
index 9d6d8b69..f67e7379 100644
--- a/docs/plugins/gst-plugins-good-plugins.args
+++ b/docs/plugins/gst-plugins-good-plugins.args
@@ -1,4 +1,144 @@
 <ARG>
+<NAME>GstIirEqualizer10Bands::band0</NAME>
+<TYPE>gdouble</TYPE>
+<RANGE>[-24,12]</RANGE>
+<FLAGS>rw</FLAGS>
+<NICK>29 Hz</NICK>
+<BLURB>gain for the frequency band 29 Hz, ranging from -24 dB to +12 dB.</BLURB>
+<DEFAULT>0</DEFAULT>
+</ARG>
+
+<ARG>
+<NAME>GstIirEqualizer10Bands::band1</NAME>
+<TYPE>gdouble</TYPE>
+<RANGE>[-24,12]</RANGE>
+<FLAGS>rw</FLAGS>
+<NICK>59 Hz</NICK>
+<BLURB>gain for the frequency band 59 Hz, ranging from -24 dB to +12 dB.</BLURB>
+<DEFAULT>0</DEFAULT>
+</ARG>
+
+<ARG>
+<NAME>GstIirEqualizer10Bands::band2</NAME>
+<TYPE>gdouble</TYPE>
+<RANGE>[-24,12]</RANGE>
+<FLAGS>rw</FLAGS>
+<NICK>119 Hz</NICK>
+<BLURB>gain for the frequency band 119 Hz, ranging from -24 dB to +12 dB.</BLURB>
+<DEFAULT>0</DEFAULT>
+</ARG>
+
+<ARG>
+<NAME>GstIirEqualizer10Bands::band3</NAME>
+<TYPE>gdouble</TYPE>
+<RANGE>[-24,12]</RANGE>
+<FLAGS>rw</FLAGS>
+<NICK>227 Hz</NICK>
+<BLURB>gain for the frequency band 227 Hz, ranging from -24 dB to +12 dB.</BLURB>
+<DEFAULT>0</DEFAULT>
+</ARG>
+
+<ARG>
+<NAME>GstIirEqualizer10Bands::band4</NAME>
+<TYPE>gdouble</TYPE>
+<RANGE>[-24,12]</RANGE>
+<FLAGS>rw</FLAGS>
+<NICK>474 Hz</NICK>
+<BLURB>gain for the frequency band 474 Hz, ranging from -24 dB to +12 dB.</BLURB>
+<DEFAULT>0</DEFAULT>
+</ARG>
+
+<ARG>
+<NAME>GstIirEqualizer10Bands::band5</NAME>
+<TYPE>gdouble</TYPE>
+<RANGE>[-24,12]</RANGE>
+<FLAGS>rw</FLAGS>
+<NICK>947 Hz</NICK>
+<BLURB>gain for the frequency band 947 Hz, ranging from -24 dB to +12 dB.</BLURB>
+<DEFAULT>0</DEFAULT>
+</ARG>
+
+<ARG>
+<NAME>GstIirEqualizer10Bands::band6</NAME>
+<TYPE>gdouble</TYPE>
+<RANGE>[-24,12]</RANGE>
+<FLAGS>rw</FLAGS>
+<NICK>1889 Hz</NICK>
+<BLURB>gain for the frequency band 1889 Hz, ranging from -24 dB to +12 dB.</BLURB>
+<DEFAULT>0</DEFAULT>
+</ARG>
+
+<ARG>
+<NAME>GstIirEqualizer10Bands::band7</NAME>
+<TYPE>gdouble</TYPE>
+<RANGE>[-24,12]</RANGE>
+<FLAGS>rw</FLAGS>
+<NICK>3770 Hz</NICK>
+<BLURB>gain for the frequency band 3770 Hz, ranging from -24 dB to +12 dB.</BLURB>
+<DEFAULT>0</DEFAULT>
+</ARG>
+
+<ARG>
+<NAME>GstIirEqualizer10Bands::band8</NAME>
+<TYPE>gdouble</TYPE>
+<RANGE>[-24,12]</RANGE>
+<FLAGS>rw</FLAGS>
+<NICK>7523 Hz</NICK>
+<BLURB>gain for the frequency band 7523 Hz, ranging from -24 dB to +12 dB.</BLURB>
+<DEFAULT>0</DEFAULT>
+</ARG>
+
+<ARG>
+<NAME>GstIirEqualizer10Bands::band9</NAME>
+<TYPE>gdouble</TYPE>
+<RANGE>[-24,12]</RANGE>
+<FLAGS>rw</FLAGS>
+<NICK>15011 Hz</NICK>
+<BLURB>gain for the frequency band 15011 Hz, ranging from -24 dB to +12 dB.</BLURB>
+<DEFAULT>0</DEFAULT>
+</ARG>
+
+<ARG>
+<NAME>GstIirEqualizer3Bands::band0</NAME>
+<TYPE>gdouble</TYPE>
+<RANGE>[-24,12]</RANGE>
+<FLAGS>rw</FLAGS>
+<NICK>110 Hz</NICK>
+<BLURB>gain for the frequency band 100 Hz, ranging from -24.0 to +12.0.</BLURB>
+<DEFAULT>0</DEFAULT>
+</ARG>
+
+<ARG>
+<NAME>GstIirEqualizer3Bands::band1</NAME>
+<TYPE>gdouble</TYPE>
+<RANGE>[-24,12]</RANGE>
+<FLAGS>rw</FLAGS>
+<NICK>1100 Hz</NICK>
+<BLURB>gain for the frequency band 1100 Hz, ranging from -24.0 to +12.0.</BLURB>
+<DEFAULT>0</DEFAULT>
+</ARG>
+
+<ARG>
+<NAME>GstIirEqualizer3Bands::band2</NAME>
+<TYPE>gdouble</TYPE>
+<RANGE>[-24,12]</RANGE>
+<FLAGS>rw</FLAGS>
+<NICK>11 kHz</NICK>
+<BLURB>gain for the frequency band 11 kHz, ranging from -24.0 to +12.0.</BLURB>
+<DEFAULT>0</DEFAULT>
+</ARG>
+
+<ARG>
+<NAME>GstIirEqualizerNBands::num-bands</NAME>
+<TYPE>guint</TYPE>
+<RANGE>[1,64]</RANGE>
+<FLAGS>rwx</FLAGS>
+<NICK>num-bands</NICK>
+<BLURB>number of different bands to use.</BLURB>
+<DEFAULT>10</DEFAULT>
+</ARG>
+
+<ARG>
 <NAME>GstOssSrc::device</NAME>
 <TYPE>gchararray</TYPE>
 <RANGE></RANGE>
diff --git a/docs/plugins/gst-plugins-good-plugins.hierarchy b/docs/plugins/gst-plugins-good-plugins.hierarchy
index 2926ee44..5a72aa53 100644
--- a/docs/plugins/gst-plugins-good-plugins.hierarchy
+++ b/docs/plugins/gst-plugins-good-plugins.hierarchy
@@ -49,6 +49,11 @@ GObject
       GstDVDec
       GstCairoTextOverlay
       GstBaseTransform
+        GstAudioFilter
+          GstIirEqualizer
+            GstIirEqualizerNBands
+            GstIirEqualizer3Bands
+            GstIirEqualizer10Bands
         GstAudioPanorama
         GstCairoTimeOverlay
         GstVideoFilter
diff --git a/docs/plugins/gst-plugins-good-plugins.interfaces b/docs/plugins/gst-plugins-good-plugins.interfaces
index 7e2e2814..a85d9aa4 100644
--- a/docs/plugins/gst-plugins-good-plugins.interfaces
+++ b/docs/plugins/gst-plugins-good-plugins.interfaces
@@ -9,6 +9,10 @@ GstGConfAudioSink GstChildProxy
 GstDecodeBin GstChildProxy
 GstID3Mux GstTagSetter
 GstID3Tag GstTagSetter
+GstIirEqualizer GstChildProxy
+GstIirEqualizerNBands GstChildProxy
+GstIirEqualizer3Bands GstChildProxy
+GstIirEqualizer10Bands GstChildProxy
 GstLame GstTagSetter
 GstOssMixerElement GstImplementsInterface GstMixer
 GstOssSrc GstImplementsInterface GstMixer
diff --git a/docs/plugins/inspect/plugin-equalizer.xml b/docs/plugins/inspect/plugin-equalizer.xml
new file mode 100644
index 00000000..4db8562e
--- /dev/null
+++ b/docs/plugins/inspect/plugin-equalizer.xml
@@ -0,0 +1,76 @@
+<plugin>
+  <name>equalizer</name>
+  <description>GStreamer audio equalizers</description>
+  <filename>../../gst/equalizer/.libs/libgstequalizer.so</filename>
+  <basename>libgstequalizer.so</basename>
+  <version>0.10.6.1</version>
+  <license>LGPL</license>
+  <source>gst-plugins-good</source>
+  <package>GStreamer Good Plug-ins CVS/prerelease</package>
+  <origin>Unknown package origin</origin>
+  <elements>
+    <element>
+      <name>equalizer-10bands</name>
+      <longname>10 Band Equalizer</longname>
+      <class>Filter/Effect/Audio</class>
+      <description>Direct Form 10 band IIR equalizer</description>
+      <author>Stefan Kost &lt;ensonic@users.sf.net&gt;</author>
+      <pads>
+        <caps>
+          <name>src</name>
+          <direction>source</direction>
+          <presence>always</presence>
+          <details>audio/x-raw-int, depth=(int)16, width=(int)16, endianness=(int)1234, signed=(boolean)true, rate=(int)[ 1000, 2147483647 ], channels=(int)[ 1, 2147483647 ]; audio/x-raw-float, width=(int){ 32, 64 }, endianness=(int)1234, rate=(int)[ 1000, 2147483647 ], channels=(int)[ 1, 2147483647 ]</details>
+        </caps>
+        <caps>
+          <name>sink</name>
+          <direction>sink</direction>
+          <presence>always</presence>
+          <details>audio/x-raw-int, depth=(int)16, width=(int)16, endianness=(int)1234, signed=(boolean)true, rate=(int)[ 1000, 2147483647 ], channels=(int)[ 1, 2147483647 ]; audio/x-raw-float, width=(int){ 32, 64 }, endianness=(int)1234, rate=(int)[ 1000, 2147483647 ], channels=(int)[ 1, 2147483647 ]</details>
+        </caps>
+      </pads>
+    </element>
+    <element>
+      <name>equalizer-3bands</name>
+      <longname>3 Band Equalizer</longname>
+      <class>Filter/Effect/Audio</class>
+      <description>Direct Form 3 band IIR equalizer</description>
+      <author>Stefan Kost &lt;ensonic@users.sf.net&gt;</author>
+      <pads>
+        <caps>
+          <name>src</name>
+          <direction>source</direction>
+          <presence>always</presence>
+          <details>audio/x-raw-int, depth=(int)16, width=(int)16, endianness=(int)1234, signed=(boolean)true, rate=(int)[ 1000, 2147483647 ], channels=(int)[ 1, 2147483647 ]; audio/x-raw-float, width=(int){ 32, 64 }, endianness=(int)1234, rate=(int)[ 1000, 2147483647 ], channels=(int)[ 1, 2147483647 ]</details>
+        </caps>
+        <caps>
+          <name>sink</name>
+          <direction>sink</direction>
+          <presence>always</presence>
+          <details>audio/x-raw-int, depth=(int)16, width=(int)16, endianness=(int)1234, signed=(boolean)true, rate=(int)[ 1000, 2147483647 ], channels=(int)[ 1, 2147483647 ]; audio/x-raw-float, width=(int){ 32, 64 }, endianness=(int)1234, rate=(int)[ 1000, 2147483647 ], channels=(int)[ 1, 2147483647 ]</details>
+        </caps>
+      </pads>
+    </element>
+    <element>
+      <name>equalizer-nbands</name>
+      <longname>N Band Equalizer</longname>
+      <class>Filter/Effect/Audio</class>
+      <description>Direct Form IIR equalizer</description>
+      <author>Benjamin Otte &lt;otte@gnome.org&gt;, Stefan Kost &lt;ensonic@users.sf.net&gt;</author>
+      <pads>
+        <caps>
+          <name>src</name>
+          <direction>source</direction>
+          <presence>always</presence>
+          <details>audio/x-raw-int, depth=(int)16, width=(int)16, endianness=(int)1234, signed=(boolean)true, rate=(int)[ 1000, 2147483647 ], channels=(int)[ 1, 2147483647 ]; audio/x-raw-float, width=(int){ 32, 64 }, endianness=(int)1234, rate=(int)[ 1000, 2147483647 ], channels=(int)[ 1, 2147483647 ]</details>
+        </caps>
+        <caps>
+          <name>sink</name>
+          <direction>sink</direction>
+          <presence>always</presence>
+          <details>audio/x-raw-int, depth=(int)16, width=(int)16, endianness=(int)1234, signed=(boolean)true, rate=(int)[ 1000, 2147483647 ], channels=(int)[ 1, 2147483647 ]; audio/x-raw-float, width=(int){ 32, 64 }, endianness=(int)1234, rate=(int)[ 1000, 2147483647 ], channels=(int)[ 1, 2147483647 ]</details>
+        </caps>
+      </pads>
+    </element>
+  </elements>
+</plugin>
\ No newline at end of file
diff --git a/gst/equalizer/Makefile.am b/gst/equalizer/Makefile.am
index ceb6877d..a5f132e5 100644
--- a/gst/equalizer/Makefile.am
+++ b/gst/equalizer/Makefile.am
@@ -12,11 +12,3 @@ libgstequalizer_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
 
 noinst_HEADERS = gstiirequalizer.h
 
-if HAVE_GTK
-noinst_PROGRAMS = demo
-endif
-
-demo_SOURCES = demo.c
-demo_CFLAGS  = $(GST_BASE_CFLAGS) $(GST_CFLAGS) $(GTK_CFLAGS)
-demo_LDFLAGS = $(GST_BASE_LIBS) $(GST_LIBS) $(GTK_LIBS)
-
diff --git a/tests/check/Makefile.am b/tests/check/Makefile.am
index 68abd275..ff791a6c 100644
--- a/tests/check/Makefile.am
+++ b/tests/check/Makefile.am
@@ -63,6 +63,7 @@ check_PROGRAMS = \
 	elements/audiowsinclimit \
 	elements/avimux \
 	elements/avisubtitle \
+	elements/equalizer \
 	elements/icydemux \
 	elements/id3demux \
 	elements/level \
diff --git a/tests/check/elements/.gitignore b/tests/check/elements/.gitignore
index 33fe1701..1a8a5c58 100644
--- a/tests/check/elements/.gitignore
+++ b/tests/check/elements/.gitignore
@@ -4,12 +4,15 @@ apev2mux
 audioamplify
 audiochebband
 audiocheblimit
+audiosincwband
+audiosincwlimit
 audiodynamic
 audioinvert
 audiopanorama
 autodetect
 avimux
 avisubtitle
+equalizer
 cmmldec
 cmmlenc
 icydemux
diff --git a/tests/check/elements/equalizer.c b/tests/check/elements/equalizer.c
index 1563f4b4..44270d0c 100644
--- a/tests/check/elements/equalizer.c
+++ b/tests/check/elements/equalizer.c
@@ -89,7 +89,7 @@ cleanup_equalizer (GstElement * equalizer)
 GST_START_TEST (test_equalizer_5bands_passthrough)
 {
   GstElement *equalizer;
-  GstBuffer *inbuffer, *outbuffer;
+  GstBuffer *inbuffer;
   GstCaps *caps;
   gdouble *in, *res;
   gint i;
@@ -134,7 +134,7 @@ GST_END_TEST;
 GST_START_TEST (test_equalizer_5bands_minus_24)
 {
   GstElement *equalizer;
-  GstBuffer *inbuffer, *outbuffer;
+  GstBuffer *inbuffer;
   GstCaps *caps;
   gdouble *in, *res, rms_in, rms_out;
   gint i;
@@ -150,7 +150,7 @@ GST_START_TEST (test_equalizer_5bands_minus_24)
         gst_child_proxy_get_child_by_index (GST_CHILD_PROXY (equalizer), i);
     fail_unless (band != NULL);
 
-    g_object_set (G_OBJECT (band), "gain", -24.0, 0);
+    g_object_set (G_OBJECT (band), "gain", -24.0, NULL);
     g_object_unref (G_OBJECT (band));
   }
 
@@ -197,7 +197,7 @@ GST_END_TEST;
 GST_START_TEST (test_equalizer_5bands_plus_12)
 {
   GstElement *equalizer;
-  GstBuffer *inbuffer, *outbuffer;
+  GstBuffer *inbuffer;
   GstCaps *caps;
   gdouble *in, *res, rms_in, rms_out;
   gint i;
@@ -213,7 +213,7 @@ GST_START_TEST (test_equalizer_5bands_plus_12)
         gst_child_proxy_get_child_by_index (GST_CHILD_PROXY (equalizer), i);
     fail_unless (band != NULL);
 
-    g_object_set (G_OBJECT (band), "gain", 12.0, 0);
+    g_object_set (G_OBJECT (band), "gain", 12.0, NULL);
     g_object_unref (G_OBJECT (band));
   }
 
@@ -260,9 +260,6 @@ GST_END_TEST;
 GST_START_TEST (test_equalizer_band_number_changing)
 {
   GstElement *equalizer;
-  GstBuffer *inbuffer, *outbuffer;
-  GstCaps *caps;
-  gdouble *in, *res;
   gint i;
 
   equalizer = setup_equalizer ();
@@ -273,7 +270,6 @@ GST_START_TEST (test_equalizer_band_number_changing)
 
   for (i = 0; i < 5; i++) {
     GstObject *band;
-    gdouble freq;
 
     band = gst_child_proxy_get_child_by_index (GST_CHILD_PROXY (equalizer), i);
     fail_unless (band != NULL);
diff --git a/tests/examples/Makefile.am b/tests/examples/Makefile.am
index b5530f12..1f9144f3 100644
--- a/tests/examples/Makefile.am
+++ b/tests/examples/Makefile.am
@@ -1,3 +1,3 @@
-SUBDIRS = level rtp
+SUBDIRS = level rtp equalizer
 
-DIST_SUBDIRS = level rtp
+DIST_SUBDIRS = level rtp equalizer