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diff --git a/include/gst/audio/audio.h b/include/gst/audio/audio.h
new file mode 100644
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+/* GStreamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ * Library       <2001> Thomas Vander Stichele <thomas@apestaart.org>
+ *               <2011> 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., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __GST_AUDIO_AUDIO_H__
+#define __GST_AUDIO_AUDIO_H__
+
+#include <gst/gst.h>
+#include <gst/audio/audio-prelude.h>
+#include <gst/audio/audio-enumtypes.h>
+#include <gst/audio/audio-format.h>
+#include <gst/audio/audio-channels.h>
+#include <gst/audio/audio-channel-mixer.h>
+#include <gst/audio/audio-info.h>
+#include <gst/audio/audio-buffer.h>
+#include <gst/audio/audio-quantize.h>
+#include <gst/audio/audio-converter.h>
+#include <gst/audio/audio-resampler.h>
+#include <gst/audio/gstaudiostreamalign.h>
+#include <gst/audio/gstaudioaggregator.h>
+
+G_BEGIN_DECLS
+
+/* conversion macros */
+/**
+ * GST_FRAMES_TO_CLOCK_TIME:
+ * @frames: sample frames
+ * @rate: sampling rate
+ *
+ * Calculate clocktime from sample @frames and @rate.
+ */
+#define GST_FRAMES_TO_CLOCK_TIME(frames, rate) \
+  ((GstClockTime) gst_util_uint64_scale_round (frames, GST_SECOND, rate))
+
+/**
+ * GST_CLOCK_TIME_TO_FRAMES:
+ * @clocktime: clock time
+ * @rate: sampling rate
+ *
+ * Calculate frames from @clocktime and sample @rate.
+ */
+#define GST_CLOCK_TIME_TO_FRAMES(clocktime, rate) \
+  gst_util_uint64_scale_round (clocktime, rate, GST_SECOND)
+
+/* metadata macros */
+
+/**
+ * GST_META_TAG_AUDIO_STR:
+ *
+ * This metadata is relevant for audio streams.
+ *
+ * Since: 1.2
+ */
+#define GST_META_TAG_AUDIO_STR "audio"
+/**
+ * GST_META_TAG_AUDIO_CHANNELS_STR:
+ *
+ * This metadata stays relevant as long as channels are unchanged.
+ *
+ * Since: 1.2
+ */
+#define GST_META_TAG_AUDIO_CHANNELS_STR "channels"
+
+/**
+ * GST_META_TAG_AUDIO_RATE_STR:
+ *
+ * This metadata stays relevant as long as sample rate is unchanged.
+ *
+ * Since: 1.8
+ */
+#define GST_META_TAG_AUDIO_RATE_STR "rate"
+
+/*
+ * this library defines and implements some helper functions for audio
+ * handling
+ */
+
+GST_AUDIO_API
+GstBuffer *    gst_audio_buffer_clip     (GstBuffer *buffer,
+                                          const GstSegment *segment,
+                                          gint rate, gint bpf);
+
+GST_AUDIO_API
+GstBuffer *    gst_audio_buffer_truncate (GstBuffer *buffer,
+                                          gint bpf, gsize trim, gsize samples);
+
+G_END_DECLS
+
+#include <gst/audio/gstaudioringbuffer.h>
+#include <gst/audio/gstaudioclock.h>
+#include <gst/audio/gstaudiofilter.h>
+#include <gst/audio/gstaudiocdsrc.h>
+#include <gst/audio/gstaudiodecoder.h>
+#include <gst/audio/gstaudioencoder.h>
+#include <gst/audio/gstaudiobasesink.h>
+#include <gst/audio/gstaudiobasesrc.h>
+#include <gst/audio/gstaudiometa.h>
+#include <gst/audio/gstaudiosink.h>
+#include <gst/audio/gstaudiosrc.h>
+#include <gst/audio/streamvolume.h>
+#include <gst/audio/gstaudioiec61937.h>
+
+#endif /* __GST_AUDIO_AUDIO_H__ */