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-rw-r--r--gst-libs/gst/audio/gstaudiofilter.h84
1 files changed, 84 insertions, 0 deletions
diff --git a/gst-libs/gst/audio/gstaudiofilter.h b/gst-libs/gst/audio/gstaudiofilter.h
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+++ b/gst-libs/gst/audio/gstaudiofilter.h
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+/* GStreamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * 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_AUDIOFILTER_H__
+#define __GST_AUDIOFILTER_H__
+
+
+#include <gst/gst.h>
+
+
+G_BEGIN_DECLS
+
+typedef struct _GstAudiofilter GstAudiofilter;
+typedef struct _GstAudiofilterClass GstAudiofilterClass;
+
+typedef void (*GstAudiofilterFilterFunc)(GstAudiofilter *filter,
+ GstBuffer *outbuf, GstBuffer *inbuf);
+typedef void (*GstAudiofilterInplaceFilterFunc)(GstAudiofilter *filter,
+ GstBuffer *buffer);
+
+typedef void (*GstAudiofilterSetupFunc) (GstAudiofilter *filter);
+
+
+#define GST_TYPE_AUDIOFILTER \
+ (gst_audiofilter_get_type())
+#define GST_AUDIOFILTER(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIOFILTER,GstAudiofilter))
+#define GST_AUDIOFILTER_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AUDIOFILTER,GstAudiofilterClass))
+#define GST_IS_AUDIOFILTER(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIOFILTER))
+#define GST_IS_AUDIOFILTER_CLASS(obj) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AUDIOFILTER))
+
+struct _GstAudiofilter {
+ GstElement element;
+
+ GstPad *sinkpad,*srcpad;
+
+ /* audio state */
+ gboolean inited;
+
+ int rate;
+ int width;
+ int channels;
+ int depth;
+ gboolean passthru;
+
+};
+
+struct _GstAudiofilterClass {
+ GstElementClass parent_class;
+
+ GstCaps *caps;
+ GstAudiofilterSetupFunc setup;
+ GstAudiofilterInplaceFilterFunc filter_inplace;
+ GstAudiofilterFilterFunc filter;
+};
+
+GType gst_audiofilter_get_type(void);
+
+void gst_audiofilter_class_add_pad_templates (GstAudiofilterClass *audiofilterclass, const GstCaps *caps);
+
+G_END_DECLS
+
+#endif /* __GST_AUDIOFILTER_H__ */
+