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Diffstat (limited to 'src/libfaad/pulse.c')
-rw-r--r-- | src/libfaad/pulse.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/libfaad/pulse.c b/src/libfaad/pulse.c new file mode 100644 index 000000000..f3f149a71 --- /dev/null +++ b/src/libfaad/pulse.c @@ -0,0 +1,41 @@ +/* +** FAAD - Freeware Advanced Audio Decoder +** Copyright (C) 2002 M. Bakker +** +** 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. +** +** $Id: pulse.c,v 1.1 2002/07/14 23:43:01 miguelfreitas Exp $ +**/ + +#include "common.h" +#include "syntax.h" +#include "pulse.h" + +void pulse_decode(ic_stream *ics, int16_t *spec_data) +{ + uint8_t i; + uint16_t k; + pulse_info *pul = &(ics->pul); + + k = ics->swb_offset[pul->pulse_start_sfb]; + + for(i = 0; i <= pul->number_pulse; i++) { + k += pul->pulse_offset[i]; + if (spec_data[k] > 0) + spec_data[k] += pul->pulse_amp[i]; + else + spec_data[k] -= pul->pulse_amp[i]; + } +} |