gst_plugins_good/gst/audiofx/audioiirfilter.h
changeset 8 4a7fac7dd34a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gst_plugins_good/gst/audiofx/audioiirfilter.h	Fri Apr 16 15:15:52 2010 +0300
@@ -0,0 +1,76 @@
+/* 
+ * GStreamer
+ * Copyright (C) 2009 Sebastian Dröge <sebastian.droege@collabora.co.uk>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ * 
+ */
+
+#ifndef __GST_AUDIO_IIR_FILTER_H__
+#define __GST_AUDIO_IIR_FILTER_H__
+
+#include <gst/gst.h>
+#include <gst/gst_global.h>
+#include <gst/audio/gstaudiofilter.h>
+
+#include "audiofxbaseiirfilter.h"
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_AUDIO_IIR_FILTER \
+  (gst_audio_iir_filter_get_type())
+#define GST_AUDIO_IIR_FILTER(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIO_IIR_FILTER,GstAudioIIRFilter))
+#define GST_AUDIO_IIR_FILTER_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AUDIO_IIR_FILTER,GstAudioIIRFilterClass))
+#define GST_IS_AUDIO_IIR_FILTER(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIO_IIR_FILTER))
+#define GST_IS_AUDIO_IIR_FILTER_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AUDIO_IIR_FILTER))
+
+typedef struct _GstAudioIIRFilter GstAudioIIRFilter;
+typedef struct _GstAudioIIRFilterClass GstAudioIIRFilterClass;
+
+/**
+ * GstAudioIIRFilter:
+ *
+ * Opaque data structure.
+ */
+struct _GstAudioIIRFilter {
+  GstAudioFXBaseIIRFilter parent;
+
+  GValueArray *a, *b;
+
+  /* < private > */
+  GMutex *lock;
+  gint rate;
+};
+
+struct _GstAudioIIRFilterClass {
+  GstAudioFXBaseIIRFilterClass parent;
+
+  void (*rate_changed) (GstElement * element, gint rate);
+};
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+
+GType gst_audio_iir_filter_get_type (void);
+
+G_END_DECLS
+
+#endif /* __GST_AUDIO_IIR_FILTER_H__ */