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