43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
/* G711adecode.c
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* A-law G.711 codec
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*
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* $Id$
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <glib.h>
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#include "G711adecode.h"
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#include "G711atable.h"
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int
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decodeG711a(void *input, int inputSizeBytes, void *output, int *outputSizeBytes)
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{
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guint8 *dataIn = (guint8 *)input;
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gint16 *dataOut = (gint16 *)output;
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int i;
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for (i=0; i<inputSizeBytes; i++)
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{
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dataOut[i] = alaw_exp_table[dataIn[i]];
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}
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*outputSizeBytes = inputSizeBytes * 2;
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return 0;
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}
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