Added gst-plugins-base-subtitles0.10-0.10.34 for Meego Harmattan 1.2
[mafwsubrenderer] / gst-plugins-base-subtitles0.10 / gst / audioconvert / gstchannelmix.h
1 /* GStreamer
2  * Copyright (C) 2004 Ronald Bultje <rbultje@ronald.bitfreak.net>
3  *
4  * gstchannelmix.h: setup of channel conversion matrices
5  *
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.
10  *
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.
15  *
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.
20  */
21
22 #ifndef __GST_CHANNEL_MIX_H__
23 #define __GST_CHANNEL_MIX_H__
24
25 #include <gst/gst.h>
26 #include "audioconvert.h"
27
28 /*
29  * Delete channel mixer matrix.
30  */
31 void            gst_channel_mix_unset_matrix    (AudioConvertCtx * this);
32
33 /*
34  * Setup channel mixer matrix.
35  */
36 void            gst_channel_mix_setup_matrix    (AudioConvertCtx * this);
37
38 /*
39  * Checks for passthrough (= identity matrix).
40  */
41 gboolean        gst_channel_mix_passthrough     (AudioConvertCtx * this);
42
43 /*
44  * Do actual mixing.
45  */
46 void            gst_channel_mix_mix_int         (AudioConvertCtx * this,
47                                                  gint32          * in_data,
48                                                  gint32          * out_data,
49                                                  gint              samples);
50
51 void            gst_channel_mix_mix_float       (AudioConvertCtx * this,
52                                                  gdouble         * in_data,
53                                                  gdouble         * out_data,
54                                                  gint              samples);
55
56 #endif /* __GST_CHANNEL_MIX_H__ */