2 * Copyright (C) 2004 Ronald Bultje <rbultje@ronald.bitfreak.net>
4 * gstchannelmix.h: setup of channel conversion matrices
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
16 * You should have received a copy of the GNU Library General Public
17 * License along with this library; if not, write to the
18 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 * Boston, MA 02111-1307, USA.
22 #ifndef __GST_CHANNEL_MIX_H__
23 #define __GST_CHANNEL_MIX_H__
26 #include "audioconvert.h"
28 GST_DEBUG_CATEGORY_EXTERN (audio_convert_debug);
29 #define GST_CAT_DEFAULT (audio_convert_debug)
32 * Delete channel mixer matrix.
34 void gst_channel_mix_unset_matrix (AudioConvertCtx * this);
37 * Setup channel mixer matrix.
39 void gst_channel_mix_setup_matrix (AudioConvertCtx * this);
42 * Checks for passthrough (= identity matrix).
44 gboolean gst_channel_mix_passthrough (AudioConvertCtx * this);
49 void gst_channel_mix_mix (AudioConvertCtx * this,
54 #endif /* __GST_CHANNEL_MIX_H__ */