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authorarpi <arpi@b3059339-0415-0410-9bf9-f77b7e298cf2>2003-08-30 22:30:28 +0000
committerarpi <arpi@b3059339-0415-0410-9bf9-f77b7e298cf2>2003-08-30 22:30:28 +0000
commit32063c433915b8dddd143a951ad90ae901ac1b38 (patch)
tree88aaee983b0885b5bb22d870476f7afdaa8a7010 /libfaad2/pulse.c
parent264633eec589baddfdcd79dde08fd7f1f47fba51 (diff)
downloadmpv-32063c433915b8dddd143a951ad90ae901ac1b38.tar.bz2
mpv-32063c433915b8dddd143a951ad90ae901ac1b38.tar.xz
libfaad2 v2.0rc1 imported
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@10726 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'libfaad2/pulse.c')
-rw-r--r--libfaad2/pulse.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/libfaad2/pulse.c b/libfaad2/pulse.c
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+/*
+** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
+** Copyright (C) 2003 M. Bakker, Ahead Software 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.
+**
+** Commercial non-GPL licensing of this software is possible.
+** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
+**
+** $Id: pulse.c,v 1.6 2003/07/29 08:20:13 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 = ics->swb_offset[pul->pulse_start_sfb];
+
+ 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;
+}