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+/*
+ * GStreamer
+ * Copyright (C) 2008 Wim Taymans <wim.taymans@gmail.com>
+ *
+ * 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_KARAOKE_H__
+#define __GST_AUDIO_KARAOKE_H__
+
+#include <gst/gst.h>
+#include <gst/base/gstbasetransform.h>
+#include <gst/audio/audio.h>
+#include <gst/audio/gstaudiofilter.h>
+
+G_BEGIN_DECLS
+#define GST_TYPE_AUDIO_KARAOKE (gst_audio_karaoke_get_type())
+#define GST_AUDIO_KARAOKE(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIO_KARAOKE,GstAudioKaraoke))
+#define GST_IS_AUDIO_KARAOKE(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIO_KARAOKE))
+#define GST_AUDIO_KARAOKE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_AUDIO_KARAOKE,GstAudioKaraokeClass))
+#define GST_IS_AUDIO_KARAOKE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_AUDIO_KARAOKE))
+#define GST_AUDIO_KARAOKE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_AUDIO_KARAOKE,GstAudioKaraokeClass))
+typedef struct _GstAudioKaraoke GstAudioKaraoke;
+typedef struct _GstAudioKaraokeClass GstAudioKaraokeClass;
+
+typedef void (*GstAudioKaraokeProcessFunc) (GstAudioKaraoke *, guint8 *, guint);
+
+struct _GstAudioKaraoke
+{
+ GstAudioFilter audiofilter;
+
+ gint channels;
+ gint rate;
+
+ /* properties */
+ gfloat level;
+ gfloat mono_level;
+ gfloat filter_band;
+ gfloat filter_width;
+
+ /* filter coef */
+ gfloat A, B, C;
+ gfloat y1, y2;
+
+ /* < private > */
+ GstAudioKaraokeProcessFunc process;
+};
+
+struct _GstAudioKaraokeClass
+{
+ GstAudioFilterClass parent;
+};
+
+GType gst_audio_karaoke_get_type (void);
+
+G_END_DECLS
+#endif /* __GST_AUDIO_KARAOKE_H__ */