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| author | Michał Cichoń <michcic@gmail.com> | 2012-06-26 20:35:30 +0200 |
|---|---|---|
| committer | Michał Cichoń <michcic@gmail.com> | 2012-06-26 20:35:30 +0200 |
| commit | cc2160de5cc05dc3aa77f3a34358e66f6193c8c9 (patch) | |
| tree | b93dd2dbdf7ea5ca4d6647c58dbe504824ac419f /faad2/src/libfaad/pulse.c | |
| parent | a9c5f408fdc10f9fd1da6e5cf6f6376f1f591e10 (diff) | |
| download | pianobar-windows-build-cc2160de5cc05dc3aa77f3a34358e66f6193c8c9.tar.gz pianobar-windows-build-cc2160de5cc05dc3aa77f3a34358e66f6193c8c9.tar.bz2 pianobar-windows-build-cc2160de5cc05dc3aa77f3a34358e66f6193c8c9.zip | |
Add support for AAC.
Diffstat (limited to 'faad2/src/libfaad/pulse.c')
| -rw-r--r-- | faad2/src/libfaad/pulse.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/faad2/src/libfaad/pulse.c b/faad2/src/libfaad/pulse.c new file mode 100644 index 0000000..b18d7c5 --- /dev/null +++ b/faad2/src/libfaad/pulse.c @@ -0,0 +1,58 @@ +/*
+** 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;
+}
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