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56 lines
2 KiB
C
56 lines
2 KiB
C
/* GStreamer
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* Copyright (C) 2004 Ronald Bultje <rbultje@ronald.bitfreak.net>
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*
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* gstchannelmix.h: setup of channel conversion matrices
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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 __GST_CHANNEL_MIX_H__
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#define __GST_CHANNEL_MIX_H__
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#include <gst/gst.h>
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#include "audioconvert.h"
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/*
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* Delete channel mixer matrix.
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*/
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void gst_channel_mix_unset_matrix (AudioConvertCtx * this);
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/*
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* Setup channel mixer matrix.
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*/
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void gst_channel_mix_setup_matrix (AudioConvertCtx * this);
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/*
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* Checks for passthrough (= identity matrix).
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*/
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gboolean gst_channel_mix_passthrough (AudioConvertCtx * this);
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/*
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* Do actual mixing.
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*/
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void gst_channel_mix_mix_int (AudioConvertCtx * this,
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gint32 * in_data,
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gint32 * out_data,
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gint samples);
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void gst_channel_mix_mix_float (AudioConvertCtx * this,
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gdouble * in_data,
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gdouble * out_data,
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gint samples);
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#endif /* __GST_CHANNEL_MIX_H__ */
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