/*** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com**** This program is free software; you can redistribute it and/or modify** it under the terms of the GNU General Public License as published by** the Free Software Foundation; either version 2 of the License, or** (at your option) any later version.**** This program 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 General Public License for more details.**** You should have received a copy of the GNU General Public License** along with this program; if not, write to the Free Software** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.**** Any non-GPL usage of this software or parts of this software is strictly** forbidden.**** The "appropriate copyright message" mentioned in section 2c of the GPLv2** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com"**** Commercial non-GPL licensing of this software is possible.** For more info contact Nero AG through Mpeg4AAClicense@nero.com.**** $Id: pulse.c,v 1.21 2007/11/01 12:33:34 menno Exp $**/#include "common.h"#include "structs.h" #include "syntax.h"#include "pulse.h" uint8_t pulse_decode(ic_stream *ics, int16_t *spec_data, uint16_t framelen){    uint8_t i;    uint16_t k;    pulse_info *pul = &(ics->pul);     k = min(ics->swb_offset[pul->pulse_start_sfb], ics->swb_offset_max);     for (i = 0; i <= pul->number_pulse; i++)    {        k += pul->pulse_offset[i];         if (k >= framelen)            return 15; /* should not be possible */         if (spec_data[k] > 0)            spec_data[k] += pul->pulse_amp[i];        else            spec_data[k] -= pul->pulse_amp[i];    }     return 0;}