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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/sbr_hfadj.h
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/sbr_hfadj.h')
-rw-r--r--libfaad2/sbr_hfadj.h74
1 files changed, 74 insertions, 0 deletions
diff --git a/libfaad2/sbr_hfadj.h b/libfaad2/sbr_hfadj.h
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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: sbr_hfadj.h,v 1.1 2003/07/29 08:20:13 menno Exp $
+**/
+
+#ifndef __SBR_HFADJ_H__
+#define __SBR_HFADJ_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct {
+
+ real_t Q_mapped[64][5];
+
+ uint8_t S_index_mapped[64][5];
+ uint8_t S_mapped[64][5];
+
+ real_t G_lim_boost[5][64];
+ real_t Q_M_lim_boost[5][64];
+ real_t S_M_boost[5][64];
+
+} sbr_hfadj_info;
+
+
+void hf_adjustment(sbr_info *sbr, qmf_t *Xsbr
+#ifdef SBR_LOW_POWER
+ ,real_t *deg
+#endif
+ ,uint8_t ch);
+
+
+static void map_envelope_data(sbr_info *sbr, sbr_hfadj_info *adj, uint8_t ch);
+static void map_noise_data(sbr_info *sbr, sbr_hfadj_info *adj, uint8_t ch);
+static void map_sinusoids(sbr_info *sbr, sbr_hfadj_info *adj, uint8_t ch);
+static void estimate_current_envelope(sbr_info *sbr, sbr_hfadj_info *adj, qmf_t *Xsbr,
+ uint8_t ch);
+static void additional_component_levels(sbr_info *sbr, sbr_hfadj_info *adj, uint8_t ch);
+static void calculate_gain(sbr_info *sbr, sbr_hfadj_info *adj, uint8_t ch);
+#ifdef SBR_LOW_POWER
+static void calc_gain_groups(sbr_info *sbr, sbr_hfadj_info *adj, real_t *deg, uint8_t ch);
+static void aliasing_reduction(sbr_info *sbr, sbr_hfadj_info *adj, real_t *deg, uint8_t ch);
+#endif
+static void hf_assembly(sbr_info *sbr, sbr_hfadj_info *adj, qmf_t *Xsbr, uint8_t ch);
+
+
+#ifdef __cplusplus
+}
+#endif
+#endif
+