author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 17 Dec 2009 08:53:32 +0200 | |
changeset 0 | 0e761a78d257 |
child 8 | 4a7fac7dd34a |
permissions | -rw-r--r-- |
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/* GStreamer |
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* Copyright (C) 2004 Ronald Bultje <rbultje@ronald.bitfreak.net> |
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* |
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* gstchannelmix.c: 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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#ifdef HAVE_CONFIG_H |
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#include "config.h" |
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#endif |
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#include <math.h> |
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#include <string.h> |
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#include <gst/audio/multichannel.h> |
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#include "gstchannelmix.h" |
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/* |
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* Channel matrix functions. |
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*/ |
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#ifdef __SYMBIAN32__ |
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EXPORT_C |
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#endif |
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void |
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gst_channel_mix_unset_matrix (AudioConvertCtx * this) |
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{ |
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gint i; |
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/* don't access if nothing there */ |
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if (!this->matrix) |
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return; |
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/* free */ |
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for (i = 0; i < this->in.channels; i++) |
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g_free (this->matrix[i]); |
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g_free (this->matrix); |
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this->matrix = NULL; |
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g_free (this->tmp); |
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this->tmp = NULL; |
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} |
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/* |
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* Detect and fill in identical channels. E.g. |
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* forward the left/right front channels in a |
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* 5.1 to 2.0 conversion. |
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*/ |
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static void |
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gst_channel_mix_fill_identical (AudioConvertCtx * this) |
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{ |
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gint ci, co; |
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/* Apart from the compatible channel assignments, we can also have |
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* same channel assignments. This is much simpler, we simply copy |
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* the value from source to dest! */ |
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for (co = 0; co < this->out.channels; co++) { |
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/* find a channel in input with same position */ |
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for (ci = 0; ci < this->in.channels; ci++) { |
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if (this->in.pos[ci] == this->out.pos[co]) { |
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this->matrix[ci][co] = 1.0; |
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} |
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} |
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} |
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} |
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/* |
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* Detect and fill in compatible channels. E.g. |
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* forward left/right front to mono (or the other |
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* way around) when going from 2.0 to 1.0. |
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*/ |
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|
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static void |
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gst_channel_mix_fill_compatible (AudioConvertCtx * this) |
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{ |
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/* Conversions from one-channel to compatible two-channel configs */ |
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struct |
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{ |
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GstAudioChannelPosition pos1[2]; |
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GstAudioChannelPosition pos2[1]; |
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} conv[] = { |
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/* front: mono <-> stereo */ |
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{ { |
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GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT, |
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GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT}, { |
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GST_AUDIO_CHANNEL_POSITION_FRONT_MONO}}, |
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/* front center: 2 <-> 1 */ |
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{ { |
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105 |
GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER, |
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|
106 |
GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER}, { |
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diff
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|
107 |
GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER}}, |
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|
108 |
/* rear: 2 <-> 1 */ |
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|
109 |
{ { |
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diff
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|
110 |
GST_AUDIO_CHANNEL_POSITION_REAR_LEFT, |
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diff
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|
111 |
GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT}, { |
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diff
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|
112 |
GST_AUDIO_CHANNEL_POSITION_REAR_CENTER}}, { { |
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|
113 |
GST_AUDIO_CHANNEL_POSITION_INVALID}} |
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diff
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|
114 |
}; |
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|
115 |
gint c; |
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|
116 |
|
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|
117 |
/* conversions from compatible (but not the same) channel schemes. This |
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|
118 |
* goes two ways: if the sink has both pos1[0,1] and src has pos2[0] or |
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diff
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|
119 |
* if the src has both pos1[0,1] and sink has pos2[0], then we do the |
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diff
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|
120 |
* conversion. We hereby assume that the existance of pos1[0,1] and |
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|
121 |
* pos2[0] are mututally exclusive. There are no checks for that, |
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|
122 |
* unfortunately. This shouldn't lead to issues (like crashes or so), |
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|
123 |
* though. */ |
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|
124 |
for (c = 0; conv[c].pos1[0] != GST_AUDIO_CHANNEL_POSITION_INVALID; c++) { |
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|
125 |
gint pos1_0 = -1, pos1_1 = -1, pos2_0 = -1, n; |
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|
126 |
|
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|
127 |
/* Try to go from the given 2 channels to the given 1 channel */ |
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|
128 |
for (n = 0; n < this->in.channels; n++) { |
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|
129 |
if (this->in.pos[n] == conv[c].pos1[0]) |
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|
130 |
pos1_0 = n; |
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|
131 |
else if (this->in.pos[n] == conv[c].pos1[1]) |
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|
132 |
pos1_1 = n; |
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|
133 |
} |
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|
134 |
for (n = 0; n < this->out.channels; n++) { |
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|
135 |
if (this->out.pos[n] == conv[c].pos2[0]) |
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|
136 |
pos2_0 = n; |
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|
137 |
} |
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|
138 |
|
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|
139 |
if (pos1_0 != -1 && pos1_1 != -1 && pos2_0 != -1) { |
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diff
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|
140 |
this->matrix[pos1_0][pos2_0] = 1.0; |
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diff
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|
141 |
this->matrix[pos1_1][pos2_0] = 1.0; |
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|
142 |
} |
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|
143 |
|
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|
144 |
/* Try to go from the given 1 channel to the given 2 channels */ |
0e761a78d257
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|
145 |
pos1_0 = -1; |
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diff
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|
146 |
pos1_1 = -1; |
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|
147 |
pos2_0 = -1; |
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|
148 |
|
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|
149 |
for (n = 0; n < this->out.channels; n++) { |
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|
150 |
if (this->out.pos[n] == conv[c].pos1[0]) |
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|
151 |
pos1_0 = n; |
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|
152 |
else if (this->out.pos[n] == conv[c].pos1[1]) |
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|
153 |
pos1_1 = n; |
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|
154 |
} |
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Revision: 200949
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diff
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|
155 |
for (n = 0; n < this->in.channels; n++) { |
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Revision: 200949
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parents:
diff
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|
156 |
if (this->in.pos[n] == conv[c].pos2[0]) |
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parents:
diff
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|
157 |
pos2_0 = n; |
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parents:
diff
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|
158 |
} |
0e761a78d257
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diff
changeset
|
159 |
|
0e761a78d257
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diff
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|
160 |
if (pos1_0 != -1 && pos1_1 != -1 && pos2_0 != -1) { |
0e761a78d257
Revision: 200949
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parents:
diff
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|
161 |
this->matrix[pos2_0][pos1_0] = 1.0; |
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Revision: 200949
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diff
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|
162 |
this->matrix[pos2_0][pos1_1] = 1.0; |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
163 |
} |
0e761a78d257
Revision: 200949
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diff
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|
164 |
} |
0e761a78d257
Revision: 200949
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diff
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|
165 |
} |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
166 |
|
0e761a78d257
Revision: 200949
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diff
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|
167 |
/* |
0e761a78d257
Revision: 200949
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parents:
diff
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|
168 |
* Detect and fill in channels not handled by the |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
169 |
* above two, e.g. center to left/right front in |
0e761a78d257
Revision: 200949
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parents:
diff
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|
170 |
* 5.1 to 2.0 (or the other way around). |
0e761a78d257
Revision: 200949
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diff
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|
171 |
* |
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Revision: 200949
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parents:
diff
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|
172 |
* Unfortunately, limited to static conversions |
0e761a78d257
Revision: 200949
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parents:
diff
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|
173 |
* for now. |
0e761a78d257
Revision: 200949
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parents:
diff
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|
174 |
*/ |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
175 |
|
0e761a78d257
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diff
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|
176 |
static void |
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Revision: 200949
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parents:
diff
changeset
|
177 |
gst_channel_mix_detect_pos (AudioConvertFmt * caps, |
0e761a78d257
Revision: 200949
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diff
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|
178 |
gint * f, gboolean * has_f, |
0e761a78d257
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diff
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|
179 |
gint * c, gboolean * has_c, gint * r, gboolean * has_r, |
0e761a78d257
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|
180 |
gint * s, gboolean * has_s, gint * b, gboolean * has_b) |
0e761a78d257
Revision: 200949
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parents:
diff
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|
181 |
{ |
0e761a78d257
Revision: 200949
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diff
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|
182 |
gint n; |
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Revision: 200949
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parents:
diff
changeset
|
183 |
|
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
184 |
for (n = 0; n < caps->channels; n++) { |
0e761a78d257
Revision: 200949
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parents:
diff
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|
185 |
switch (caps->pos[n]) { |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
186 |
case GST_AUDIO_CHANNEL_POSITION_FRONT_MONO: |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
187 |
case GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT: |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
188 |
case GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT: |
0e761a78d257
Revision: 200949
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parents:
diff
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|
189 |
*has_f = TRUE; |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
190 |
if (f[0] == -1) |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
191 |
f[0] = n; |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
192 |
else |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
193 |
f[1] = n; |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
194 |
break; |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
195 |
case GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER: |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
196 |
case GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER: |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
197 |
case GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER: |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
198 |
*has_c = TRUE; |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
199 |
if (c[0] == -1) |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
200 |
c[0] = n; |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
201 |
else |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
202 |
c[1] = n; |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
203 |
break; |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
204 |
case GST_AUDIO_CHANNEL_POSITION_REAR_CENTER: |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
205 |
case GST_AUDIO_CHANNEL_POSITION_REAR_LEFT: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
206 |
case GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT: |
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*has_r = TRUE; |
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if (r[0] == -1) |
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r[0] = n; |
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210 |
else |
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r[1] = n; |
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|
212 |
break; |
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|
213 |
case GST_AUDIO_CHANNEL_POSITION_SIDE_LEFT: |
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214 |
case GST_AUDIO_CHANNEL_POSITION_SIDE_RIGHT: |
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|
215 |
*has_s = TRUE; |
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if (s[0] == -1) |
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s[0] = n; |
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|
218 |
else |
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s[1] = n; |
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220 |
break; |
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|
221 |
case GST_AUDIO_CHANNEL_POSITION_LFE: |
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222 |
*has_b = TRUE; |
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b[0] = n; |
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224 |
break; |
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225 |
default: |
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226 |
break; |
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227 |
} |
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228 |
} |
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|
229 |
} |
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|
230 |
|
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231 |
static void |
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232 |
gst_channel_mix_fill_one_other (gfloat ** matrix, |
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233 |
AudioConvertFmt * from_caps, gint * from_idx, |
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234 |
GstAudioChannelPosition from_pos_l, |
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235 |
GstAudioChannelPosition from_pos_r, |
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|
236 |
GstAudioChannelPosition from_pos_c, |
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|
237 |
AudioConvertFmt * to_caps, gint * to_idx, |
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|
238 |
GstAudioChannelPosition to_pos_l, |
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|
239 |
GstAudioChannelPosition to_pos_r, |
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|
240 |
GstAudioChannelPosition to_pos_c, gfloat ratio) |
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|
241 |
{ |
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|
242 |
gfloat in_r, out_r[2] = { 0.f, 0.f }; |
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|
243 |
|
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|
244 |
/* |
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|
245 |
* The idea is that we add up from the input (which means that if we |
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|
246 |
* have stereo input, we divide their sum by two) and put that in |
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|
247 |
* the matrix for their output ratio (given in $ratio). |
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|
248 |
* For left channels, we need to invert the signal sign (* -1). |
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|
249 |
*/ |
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|
250 |
|
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|
251 |
if (from_caps->pos[from_idx[0]] == from_pos_c) |
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|
252 |
in_r = 1.0; |
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|
253 |
else |
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|
254 |
in_r = 0.5; |
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|
255 |
|
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|
256 |
if (to_caps->pos[to_idx[0]] == to_pos_l) |
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|
257 |
out_r[0] = in_r * -ratio; |
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|
258 |
else |
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|
259 |
out_r[0] = in_r * ratio; |
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|
260 |
|
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|
261 |
if (to_idx[1] != -1) { |
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diff
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|
262 |
if (to_caps->pos[to_idx[1]] == to_pos_l) |
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parents:
diff
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|
263 |
out_r[1] = in_r * -ratio; |
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parents:
diff
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|
264 |
else |
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diff
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|
265 |
out_r[1] = in_r * ratio; |
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diff
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|
266 |
} |
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diff
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|
267 |
|
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|
268 |
matrix[from_idx[0]][to_idx[0]] = out_r[0]; |
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|
269 |
if (to_idx[1] != -1) |
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|
270 |
matrix[from_idx[0]][to_idx[1]] = out_r[1]; |
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|
271 |
if (from_idx[1] != -1) { |
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|
272 |
matrix[from_idx[1]][to_idx[0]] = out_r[0]; |
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|
273 |
if (to_idx[1] != -1) |
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|
274 |
matrix[from_idx[1]][to_idx[1]] = out_r[1]; |
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|
275 |
} |
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|
276 |
} |
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|
277 |
|
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|
278 |
#define RATIO_FRONT_CENTER (1.0 / sqrt (2.0)) |
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|
279 |
#define RATIO_FRONT_REAR (1.0 / sqrt (2.0)) |
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|
280 |
#define RATIO_FRONT_BASS (1.0) |
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|
281 |
#define RATIO_REAR_BASS (1.0 / sqrt (2.0)) |
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|
282 |
#define RATIO_CENTER_BASS (1.0 / sqrt (2.0)) |
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|
283 |
|
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|
284 |
static void |
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diff
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|
285 |
gst_channel_mix_fill_others (AudioConvertCtx * this) |
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|
286 |
{ |
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|
287 |
gboolean in_has_front = FALSE, out_has_front = FALSE, |
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|
288 |
in_has_center = FALSE, out_has_center = FALSE, |
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|
289 |
in_has_rear = FALSE, out_has_rear = FALSE, |
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|
290 |
in_has_side = FALSE, out_has_side = FALSE, |
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|
291 |
in_has_bass = FALSE, out_has_bass = FALSE; |
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Revision: 200949
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|
292 |
gint in_f[2] = { -1, -1 }, out_f[2] = { |
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|
293 |
-1, -1}, in_c[2] = { |
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|
294 |
-1, -1}, out_c[2] = { |
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parents:
diff
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|
295 |
-1, -1}, in_r[2] = { |
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diff
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|
296 |
-1, -1}, out_r[2] = { |
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Revision: 200949
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parents:
diff
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|
297 |
-1, -1}, in_s[2] = { |
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Revision: 200949
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parents:
diff
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|
298 |
-1, -1}, out_s[2] = { |
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Revision: 200949
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parents:
diff
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|
299 |
-1, -1}, in_b[2] = { |
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|
300 |
-1, -1}, out_b[2] = { |
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parents:
diff
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|
301 |
-1, -1}; |
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diff
changeset
|
302 |
|
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parents:
diff
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|
303 |
/* First see where (if at all) the various channels from/to |
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Revision: 200949
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|
304 |
* which we want to convert are located in our matrix/array. */ |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
305 |
gst_channel_mix_detect_pos (&this->in, |
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Revision: 200949
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diff
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|
306 |
in_f, &in_has_front, |
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Revision: 200949
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parents:
diff
changeset
|
307 |
in_c, &in_has_center, in_r, &in_has_rear, |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
308 |
in_s, &in_has_side, in_b, &in_has_bass); |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
309 |
gst_channel_mix_detect_pos (&this->out, |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
310 |
out_f, &out_has_front, |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
311 |
out_c, &out_has_center, out_r, &out_has_rear, |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
312 |
out_s, &out_has_side, out_b, &out_has_bass); |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
313 |
|
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
314 |
/* center/front */ |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
315 |
if (!in_has_center && in_has_front && out_has_center) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
316 |
gst_channel_mix_fill_one_other (this->matrix, |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
317 |
&this->in, in_f, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
318 |
GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT, |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
319 |
GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
320 |
GST_AUDIO_CHANNEL_POSITION_FRONT_MONO, |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
321 |
&this->out, out_c, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
322 |
GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER, |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
323 |
GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER, |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
324 |
GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER, RATIO_FRONT_CENTER); |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
325 |
} else if (in_has_center && !out_has_center && out_has_front) { |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
326 |
gst_channel_mix_fill_one_other (this->matrix, |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
327 |
&this->in, in_c, |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
328 |
GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER, |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
329 |
GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER, |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
330 |
GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
331 |
&this->out, out_f, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
332 |
GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
333 |
GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
334 |
GST_AUDIO_CHANNEL_POSITION_FRONT_MONO, RATIO_FRONT_CENTER); |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
335 |
} |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
336 |
|
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
337 |
/* rear/front */ |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
338 |
if (!in_has_rear && in_has_front && out_has_rear) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
339 |
gst_channel_mix_fill_one_other (this->matrix, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
340 |
&this->in, in_f, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
341 |
GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
342 |
GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
343 |
GST_AUDIO_CHANNEL_POSITION_FRONT_MONO, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
344 |
&this->out, out_r, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
345 |
GST_AUDIO_CHANNEL_POSITION_REAR_LEFT, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
346 |
GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
347 |
GST_AUDIO_CHANNEL_POSITION_REAR_CENTER, RATIO_FRONT_REAR); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
348 |
} else if (in_has_rear && !out_has_rear && out_has_front) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
349 |
gst_channel_mix_fill_one_other (this->matrix, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
350 |
&this->in, in_r, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
351 |
GST_AUDIO_CHANNEL_POSITION_REAR_LEFT, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
352 |
GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
353 |
GST_AUDIO_CHANNEL_POSITION_REAR_CENTER, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
354 |
&this->out, out_f, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
355 |
GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
356 |
GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
357 |
GST_AUDIO_CHANNEL_POSITION_FRONT_MONO, RATIO_FRONT_REAR); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
358 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
359 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
360 |
/* bass/any */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
361 |
if (in_has_bass && !out_has_bass) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
362 |
if (out_has_front) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
363 |
gst_channel_mix_fill_one_other (this->matrix, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
364 |
&this->in, in_b, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
365 |
GST_AUDIO_CHANNEL_POSITION_INVALID, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
366 |
GST_AUDIO_CHANNEL_POSITION_INVALID, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
367 |
GST_AUDIO_CHANNEL_POSITION_LFE, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
368 |
&this->out, out_f, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
369 |
GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
370 |
GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
371 |
GST_AUDIO_CHANNEL_POSITION_FRONT_MONO, RATIO_FRONT_BASS); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
372 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
373 |
if (out_has_center) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
374 |
gst_channel_mix_fill_one_other (this->matrix, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
375 |
&this->in, in_b, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
376 |
GST_AUDIO_CHANNEL_POSITION_INVALID, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
377 |
GST_AUDIO_CHANNEL_POSITION_INVALID, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
378 |
GST_AUDIO_CHANNEL_POSITION_LFE, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
379 |
&this->out, out_c, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
380 |
GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
381 |
GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
382 |
GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER, RATIO_CENTER_BASS); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
383 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
384 |
if (out_has_rear) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
385 |
gst_channel_mix_fill_one_other (this->matrix, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
386 |
&this->in, in_b, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
387 |
GST_AUDIO_CHANNEL_POSITION_INVALID, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
388 |
GST_AUDIO_CHANNEL_POSITION_INVALID, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
389 |
GST_AUDIO_CHANNEL_POSITION_LFE, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
390 |
&this->out, out_r, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
391 |
GST_AUDIO_CHANNEL_POSITION_REAR_LEFT, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
392 |
GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
393 |
GST_AUDIO_CHANNEL_POSITION_REAR_CENTER, RATIO_REAR_BASS); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
394 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
395 |
} else if (!in_has_bass && out_has_bass) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
396 |
if (in_has_front) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
397 |
gst_channel_mix_fill_one_other (this->matrix, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
398 |
&this->in, in_f, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
399 |
GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
400 |
GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
401 |
GST_AUDIO_CHANNEL_POSITION_FRONT_MONO, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
402 |
&this->out, out_b, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
403 |
GST_AUDIO_CHANNEL_POSITION_INVALID, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
404 |
GST_AUDIO_CHANNEL_POSITION_INVALID, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
405 |
GST_AUDIO_CHANNEL_POSITION_LFE, RATIO_FRONT_BASS); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
406 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
407 |
if (in_has_center) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
408 |
gst_channel_mix_fill_one_other (this->matrix, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
409 |
&this->in, in_c, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
410 |
GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
411 |
GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
412 |
GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
413 |
&this->out, out_b, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
414 |
GST_AUDIO_CHANNEL_POSITION_INVALID, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
415 |
GST_AUDIO_CHANNEL_POSITION_INVALID, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
416 |
GST_AUDIO_CHANNEL_POSITION_LFE, RATIO_CENTER_BASS); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
417 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
418 |
if (in_has_rear) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
419 |
gst_channel_mix_fill_one_other (this->matrix, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
420 |
&this->in, in_r, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
421 |
GST_AUDIO_CHANNEL_POSITION_REAR_LEFT, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
422 |
GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
423 |
GST_AUDIO_CHANNEL_POSITION_REAR_CENTER, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
424 |
&this->out, out_b, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
425 |
GST_AUDIO_CHANNEL_POSITION_INVALID, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
426 |
GST_AUDIO_CHANNEL_POSITION_INVALID, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
427 |
GST_AUDIO_CHANNEL_POSITION_LFE, RATIO_REAR_BASS); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
428 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
429 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
430 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
431 |
/* FIXME: side */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
432 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
433 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
434 |
/* |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
435 |
* Normalize output values. |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
436 |
*/ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
437 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
438 |
static void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
439 |
gst_channel_mix_fill_normalize (AudioConvertCtx * this) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
440 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
441 |
gfloat sum, top = 0; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
442 |
gint i, j; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
443 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
444 |
for (j = 0; j < this->out.channels; j++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
445 |
/* calculate sum */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
446 |
sum = 0.0; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
447 |
for (i = 0; i < this->in.channels; i++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
448 |
sum += fabs (this->matrix[i][j]); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
449 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
450 |
if (sum > top) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
451 |
top = sum; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
452 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
453 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
454 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
455 |
/* normalize to this */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
456 |
for (j = 0; j < this->out.channels; j++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
457 |
for (i = 0; i < this->in.channels; i++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
458 |
this->matrix[i][j] /= top; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
459 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
460 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
461 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
462 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
463 |
/* |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
464 |
* Automagically generate conversion matrix. |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
465 |
*/ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
466 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
467 |
static void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
468 |
gst_channel_mix_fill_matrix (AudioConvertCtx * this) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
469 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
470 |
gst_channel_mix_fill_identical (this); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
471 |
gst_channel_mix_fill_compatible (this); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
472 |
gst_channel_mix_fill_others (this); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
473 |
gst_channel_mix_fill_normalize (this); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
474 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
475 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
476 |
/* only call after this->out and this->in are filled in */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
477 |
#ifdef __SYMBIAN32__ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
478 |
EXPORT_C |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
479 |
#endif |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
480 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
481 |
void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
482 |
gst_channel_mix_setup_matrix (AudioConvertCtx * this) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
483 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
484 |
gint i, j; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
485 |
GString *s; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
486 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
487 |
/* don't lose memory */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
488 |
gst_channel_mix_unset_matrix (this); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
489 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
490 |
/* temp storage */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
491 |
if (this->in.is_int || this->out.is_int) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
492 |
this->tmp = (gpointer) g_new (gint32, this->out.channels); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
493 |
} else { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
494 |
this->tmp = (gpointer) g_new (gdouble, this->out.channels); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
495 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
496 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
497 |
/* allocate */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
498 |
this->matrix = g_new0 (gfloat *, this->in.channels); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
499 |
for (i = 0; i < this->in.channels; i++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
500 |
this->matrix[i] = g_new (gfloat, this->out.channels); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
501 |
for (j = 0; j < this->out.channels; j++) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
502 |
this->matrix[i][j] = 0.; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
503 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
504 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
505 |
/* setup the matrix' internal values */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
506 |
gst_channel_mix_fill_matrix (this); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
507 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
508 |
/* debug */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
509 |
s = g_string_new ("Matrix for"); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
510 |
g_string_append_printf (s, " %d -> %d: ", |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
511 |
this->in.channels, this->out.channels); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
512 |
g_string_append (s, "{"); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
513 |
for (i = 0; i < this->in.channels; i++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
514 |
if (i != 0) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
515 |
g_string_append (s, ","); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
516 |
g_string_append (s, " {"); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
517 |
for (j = 0; j < this->out.channels; j++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
518 |
if (j != 0) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
519 |
g_string_append (s, ","); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
520 |
g_string_append_printf (s, " %f", this->matrix[i][j]); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
521 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
522 |
g_string_append (s, " }"); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
523 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
524 |
g_string_append (s, " }"); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
525 |
GST_DEBUG (s->str); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
526 |
g_string_free (s, TRUE); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
527 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
528 |
#ifdef __SYMBIAN32__ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
529 |
EXPORT_C |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
530 |
#endif |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
531 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
532 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
533 |
gboolean |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
534 |
gst_channel_mix_passthrough (AudioConvertCtx * this) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
535 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
536 |
gint i; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
537 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
538 |
/* only NxN matrices can be identities */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
539 |
if (this->in.channels != this->out.channels) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
540 |
return FALSE; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
541 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
542 |
/* this assumes a normalized matrix */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
543 |
for (i = 0; i < this->in.channels; i++) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
544 |
if (this->matrix[i][i] != 1.) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
545 |
return FALSE; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
546 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
547 |
return TRUE; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
548 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
549 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
550 |
/* IMPORTANT: out_data == in_data is possible, make sure to not overwrite data |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
551 |
* you might need later on! */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
552 |
#ifdef __SYMBIAN32__ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
553 |
EXPORT_C |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
554 |
#endif |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
555 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
556 |
void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
557 |
gst_channel_mix_mix_int (AudioConvertCtx * this, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
558 |
gint32 * in_data, gint32 * out_data, gint samples) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
559 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
560 |
gint in, out, n; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
561 |
gint64 res; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
562 |
gboolean backwards; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
563 |
gint inchannels, outchannels; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
564 |
gint32 *tmp = (gint32 *) this->tmp; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
565 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
566 |
g_return_if_fail (this->matrix != NULL); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
567 |
g_return_if_fail (this->tmp != NULL); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
568 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
569 |
inchannels = this->in.channels; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
570 |
outchannels = this->out.channels; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
571 |
backwards = outchannels > inchannels; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
572 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
573 |
/* FIXME: use liboil here? */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
574 |
for (n = (backwards ? samples - 1 : 0); n < samples && n >= 0; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
575 |
backwards ? n-- : n++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
576 |
for (out = 0; out < outchannels; out++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
577 |
/* convert */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
578 |
res = 0; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
579 |
for (in = 0; in < inchannels; in++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
580 |
res += in_data[n * inchannels + in] * this->matrix[in][out]; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
581 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
582 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
583 |
/* clip (shouldn't we use doubles instead as intermediate format?) */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
584 |
if (res < G_MININT32) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
585 |
res = G_MININT32; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
586 |
else if (res > G_MAXINT32) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
587 |
res = G_MAXINT32; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
588 |
tmp[out] = res; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
589 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
590 |
memcpy (&out_data[n * outchannels], this->tmp, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
591 |
sizeof (gint32) * outchannels); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
592 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
593 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
594 |
#ifdef __SYMBIAN32__ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
595 |
EXPORT_C |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
596 |
#endif |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
597 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
598 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
599 |
void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
600 |
gst_channel_mix_mix_float (AudioConvertCtx * this, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
601 |
gdouble * in_data, gdouble * out_data, gint samples) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
602 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
603 |
gint in, out, n; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
604 |
gdouble res; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
605 |
gboolean backwards; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
606 |
gint inchannels, outchannels; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
607 |
gdouble *tmp = (gdouble *) this->tmp; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
608 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
609 |
g_return_if_fail (this->matrix != NULL); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
610 |
g_return_if_fail (this->tmp != NULL); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
611 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
612 |
inchannels = this->in.channels; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
613 |
outchannels = this->out.channels; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
614 |
backwards = outchannels > inchannels; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
615 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
616 |
/* FIXME: use liboil here? */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
617 |
for (n = (backwards ? samples - 1 : 0); n < samples && n >= 0; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
618 |
backwards ? n-- : n++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
619 |
for (out = 0; out < outchannels; out++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
620 |
/* convert */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
621 |
res = 0.0; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
622 |
for (in = 0; in < inchannels; in++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
623 |
res += in_data[n * inchannels + in] * this->matrix[in][out]; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
624 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
625 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
626 |
/* clip (shouldn't we use doubles instead as intermediate format?) */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
627 |
if (res < -1.0) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
628 |
res = -1.0; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
629 |
else if (res > 1.0) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
630 |
res = 1.0; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
631 |
tmp[out] = res; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
632 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
633 |
memcpy (&out_data[n * outchannels], this->tmp, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
634 |
sizeof (gdouble) * outchannels); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
635 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
636 |
} |