gst_plugins_base/gst/audioresample/gstaudioresample.h
author Pat Downey <patd@symbian.org>
Wed, 01 Sep 2010 12:16:41 +0100
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/* GStreamer
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 * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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 *
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 * This library is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Library General Public
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 * License as published by the Free Software Foundation; either
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 * version 2 of the License, or (at your option) any later version.
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 *
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 * This library is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Library General Public License for more details.
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 *
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 * You should have received a copy of the GNU Library General Public
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 * License along with this library; if not, write to the
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 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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 * Boston, MA 02111-1307, USA.
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 */
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#ifndef __AUDIORESAMPLE_H__
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#define __AUDIORESAMPLE_H__
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#include <gst/gst.h>
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#include <gst/base/gstbasetransform.h>
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#include "resample.h"
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G_BEGIN_DECLS
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#define GST_TYPE_AUDIORESAMPLE \
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  (gst_audioresample_get_type())
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#define GST_AUDIORESAMPLE(obj) \
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  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIORESAMPLE,GstAudioresample))
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#define GST_AUDIORESAMPLE_CLASS(klass) \
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  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AUDIORESAMPLE,GstAudioresampleClass))
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#define GST_IS_AUDIORESAMPLE(obj) \
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  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIORESAMPLE))
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#define GST_IS_AUDIORESAMPLE_CLASS(klass) \
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  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AUDIORESAMPLE))
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typedef struct _GstAudioresample GstAudioresample;
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typedef struct _GstAudioresampleClass GstAudioresampleClass;
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/**
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 * GstAudioresample:
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 *
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 * Opaque data structure.
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 */
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struct _GstAudioresample {
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  GstBaseTransform element;
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  GstCaps *srccaps, *sinkcaps;
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  gboolean passthru;
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  gboolean need_discont;
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  guint64 offset;
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  guint64 ts_offset;
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  GstClockTime next_ts;
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  GstClockTime prev_ts, prev_duration;
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  int channels;
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  int i_rate;
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  int o_rate;
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  int filter_length;
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  ResampleState * resample;
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};
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struct _GstAudioresampleClass {
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  GstBaseTransformClass parent_class;
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};
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#ifdef __SYMBIAN32__
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IMPORT_C
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#endif
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GType gst_audioresample_get_type(void);
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G_END_DECLS
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#endif /* __AUDIORESAMPLE_H__ */