summaryrefslogtreecommitdiff
path: root/faad2/src/libfaad/codebook/hcb_1.h
diff options
context:
space:
mode:
Diffstat (limited to 'faad2/src/libfaad/codebook/hcb_1.h')
-rw-r--r--faad2/src/libfaad/codebook/hcb_1.h186
1 files changed, 186 insertions, 0 deletions
diff --git a/faad2/src/libfaad/codebook/hcb_1.h b/faad2/src/libfaad/codebook/hcb_1.h
new file mode 100644
index 0000000..9d5ab9e
--- /dev/null
+++ b/faad2/src/libfaad/codebook/hcb_1.h
@@ -0,0 +1,186 @@
+/*
+** 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: hcb_1.h,v 1.5 2007/11/01 12:34:11 menno Exp $
+**/
+
+/* 2-step huffman table HCB_1 */
+
+
+/* 1st step: 5 bits
+ * 2^5 = 32 entries
+ *
+ * Used to find offset into 2nd step table and number of extra bits to get
+ */
+static hcb hcb1_1[] = {
+ { /* 00000 */ 0, 0 },
+ { /* */ 0, 0 },
+ { /* */ 0, 0 },
+ { /* */ 0, 0 },
+ { /* */ 0, 0 },
+ { /* */ 0, 0 },
+ { /* */ 0, 0 },
+ { /* */ 0, 0 },
+ { /* */ 0, 0 },
+ { /* */ 0, 0 },
+ { /* */ 0, 0 },
+ { /* */ 0, 0 },
+ { /* */ 0, 0 },
+ { /* */ 0, 0 },
+ { /* */ 0, 0 },
+ { /* */ 0, 0 },
+ { /* 10000 */ 1, 0 },
+ { /* 10001 */ 2, 0 },
+ { /* 10010 */ 3, 0 },
+ { /* 10011 */ 4, 0 },
+ { /* 10100 */ 5, 0 },
+ { /* 10101 */ 6, 0 },
+ { /* 10110 */ 7, 0 },
+ { /* 10111 */ 8, 0 },
+
+ /* 7 bit codewords */
+ { /* 11000 */ 9, 2 },
+ { /* 11001 */ 13, 2 },
+ { /* 11010 */ 17, 2 },
+ { /* 11011 */ 21, 2 },
+ { /* 11100 */ 25, 2 },
+ { /* 11101 */ 29, 2 },
+
+ /* 9 bit codewords */
+ { /* 11110 */ 33, 4 },
+
+ /* 9/10/11 bit codewords */
+ { /* 11111 */ 49, 6 }
+};
+
+/* 2nd step table
+ *
+ * Gives size of codeword and actual data (x,y,v,w)
+ */
+static hcb_2_quad hcb1_2[] = {
+ /* 1 bit codeword */
+ { 1, 0, 0, 0, 0 },
+
+ /* 5 bit codewords */
+ { 5, 1, 0, 0, 0 },
+ { 5, -1, 0, 0, 0 },
+ { 5, 0, 0, 0, -1 },
+ { 5, 0, 1, 0, 0 },
+ { 5, 0, 0, 0, 1 },
+ { 5, 0, 0, -1, 0 },
+ { 5, 0, 0, 1, 0 },
+ { 5, 0, -1, 0, 0 },
+
+ /* 7 bit codewords */
+ /* first 5 bits: 11000 */
+ { 7, 1, -1, 0, 0 },
+ { 7, -1, 1, 0, 0 },
+ { 7, 0, 0, -1, 1 },
+ { 7, 0, 1, -1, 0 },
+ /* first 5 bits: 11001 */
+ { 7, 0, -1, 1, 0 },
+ { 7, 0, 0, 1, -1 },
+ { 7, 1, 1, 0, 0 },
+ { 7, 0, 0, -1, -1 },
+ /* first 5 bits: 11010 */
+ { 7, -1, -1, 0, 0 },
+ { 7, 0, -1, -1, 0 },
+ { 7, 1, 0, -1, 0 },
+ { 7, 0, 1, 0, -1 },
+ /* first 5 bits: 11011 */
+ { 7, -1, 0, 1, 0 },
+ { 7, 0, 0, 1, 1 },
+ { 7, 1, 0, 1, 0 },
+ { 7, 0, -1, 0, 1 },
+ /* first 5 bits: 11100 */
+ { 7, 0, 1, 1, 0 },
+ { 7, 0, 1, 0, 1 },
+ { 7, -1, 0, -1, 0 },
+ { 7, 1, 0, 0, 1 },
+ /* first 5 bits: 11101 */
+ { 7, -1, 0, 0, -1 },
+ { 7, 1, 0, 0, -1 },
+ { 7, -1, 0, 0, 1 },
+ { 7, 0, -1, 0, -1 },
+
+ /* 9 bit codeword */
+ /* first 5 bits: 11110 */
+ { 9, 1, 1, -1, 0 },
+ { 9, -1, 1, -1, 0 },
+ { 9, 1, -1, 1, 0 },
+ { 9, 0, 1, 1, -1 },
+ { 9, 0, 1, -1, 1 },
+ { 9, 0, -1, 1, 1 },
+ { 9, 0, -1, 1, -1 },
+ { 9, 1, -1, -1, 0 },
+ { 9, 1, 0, -1, 1 },
+ { 9, 0, 1, -1, -1 },
+ { 9, -1, 1, 1, 0 },
+ { 9, -1, 0, 1, -1 },
+ { 9, -1, -1, 1, 0 },
+ { 9, 0, -1, -1, 1 },
+ { 9, 1, -1, 0, 1 },
+ { 9, 1, -1, 0, -1 },
+
+ /* 9/10/11 bit codewords */
+ /* first 5 bits: 11111 */
+ /* 9 bit: reading 11 bits -> 2 too much so 4 entries for each codeword */
+ { 9, -1, 1, 0, -1 }, { 9, -1, 1, 0, -1 }, { 9, -1, 1, 0, -1 }, { 9, -1, 1, 0, -1 },
+ { 9, -1, -1, -1, 0 }, { 9, -1, -1, -1, 0 }, { 9, -1, -1, -1, 0 }, { 9, -1, -1, -1, 0 },
+ { 9, 0, -1, -1, -1 }, { 9, 0, -1, -1, -1 }, { 9, 0, -1, -1, -1 }, { 9, 0, -1, -1, -1 },
+ { 9, 0, 1, 1, 1 }, { 9, 0, 1, 1, 1 }, { 9, 0, 1, 1, 1 }, { 9, 0, 1, 1, 1 },
+ { 9, 1, 0, 1, -1 }, { 9, 1, 0, 1, -1 }, { 9, 1, 0, 1, -1 }, { 9, 1, 0, 1, -1 },
+ { 9, 1, 1, 0, 1 }, { 9, 1, 1, 0, 1 }, { 9, 1, 1, 0, 1 }, { 9, 1, 1, 0, 1 },
+ { 9, -1, 1, 0, 1 }, { 9, -1, 1, 0, 1 }, { 9, -1, 1, 0, 1 }, { 9, -1, 1, 0, 1 },
+ { 9, 1, 1, 1, 0 }, { 9, 1, 1, 1, 0 }, { 9, 1, 1, 1, 0 }, { 9, 1, 1, 1, 0 },
+ /* 10 bit: reading 11 bits -> 1 too much so 2 entries for each codeword */
+ { 10, -1, -1, 0, 1 }, { 10, -1, -1, 0, 1 },
+ { 10, -1, 0, -1, -1 }, { 10, -1, 0, -1, -1 },
+ { 10, 1, 1, 0, -1 }, { 10, 1, 1, 0, -1 },
+ { 10, 1, 0, -1, -1 }, { 10, 1, 0, -1, -1 },
+ { 10, -1, 0, -1, 1 }, { 10, -1, 0, -1, 1 },
+ { 10, -1, -1, 0, -1 }, { 10, -1, -1, 0, -1 },
+ { 10, -1, 0, 1, 1 }, { 10, -1, 0, 1, 1 },
+ { 10, 1, 0, 1, 1 }, { 10, 1, 0, 1, 1 },
+ /* 11 bit */
+ { 11, 1, -1, 1, -1 },
+ { 11, -1, 1, -1, 1 },
+ { 11, -1, 1, 1, -1 },
+ { 11, 1, -1, -1, 1 },
+ { 11, 1, 1, 1, 1 },
+ { 11, -1, -1, 1, 1 },
+ { 11, 1, 1, -1, -1 },
+ { 11, -1, -1, 1, -1 },
+ { 11, -1, -1, -1, -1 },
+ { 11, 1, 1, -1, 1 },
+ { 11, 1, -1, 1, 1 },
+ { 11, -1, 1, 1, 1 },
+ { 11, -1, 1, -1, -1 },
+ { 11, -1, -1, -1, 1 },
+ { 11, 1, -1, -1, -1 },
+ { 11, 1, 1, 1, -1 }
+};