+/*****************************************************************************
+ * video_parser.h : Variable Length Codes
+ *****************************************************************************
+ * Copyright (C) 1999, 2000 VideoLAN
+ * $Id: vpar_blocks.h,v 1.6 2001/08/22 17:21:46 massiot Exp $
+ *
+ * Authors: Christophe Massiot <massiot@via.ecp.fr>
+ * Jean-Marc Dressler <polux@via.ecp.fr>
+ * Stéphane Borel <stef@via.ecp.fr>
+ * Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
+ * Michel Lespinasse <walken@zoy.org>
+ *
+ * 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, USA.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * lookup_t : entry type for lookup tables *
+ *****************************************************************************/
+typedef struct lookup_s
+{
+ u8 i_value;
+ u8 i_length;
+} lookup_t;
+
+typedef struct dmv_lookup_s
+{
+ s8 i_value;
+ u8 i_length;
+} dmv_lookup_t;
+
+/*****************************************************************************
+ * dct_lookup_t : special entry type for lookup tables about ac coefficients
+ *****************************************************************************/
+typedef struct dct_lookup_s
+{
+ u8 i_run;
+ u8 i_level;
+ u8 i_length;
+} dct_lookup_t;
+
+/*****************************************************************************
+ * Standard codes
+ *****************************************************************************/
+
+/* Motion types */
+#define MOTION_TYPE_MASK (3*64)
+#define MOTION_TYPE_BASE 64
+#define MC_FIELD (1*64)
+#define MC_FRAME (2*64)
+#define MC_16X8 (2*64)
+#define MC_DMV (3*64)
+
+/* Macroblock Address Increment types */
+#define MB_ADDRINC_ESCAPE 8
+#define MB_ADDRINC_STUFFING 15
+
+/* Error constant for lookup tables */
+#define MB_ERROR (-1)
+
+/* Scan */
+#define SCAN_ZIGZAG 0
+#define SCAN_ALT 1
+
+/* Constant for block decoding */
+#define DCT_EOB 64
+#define DCT_ESCAPE 65
+
+
+/*****************************************************************************
+ * Lookup tables for macroblock modes
+ *****************************************************************************/
+
+#define INTRA MB_INTRA
+#define QUANT MB_QUANT
+
+static lookup_t MB_I [] = {
+ {INTRA|QUANT, 2}, {INTRA, 1}
+};
+
+#define MC MB_MOTION_FORWARD
+#define CODED MB_PATTERN
+
+static lookup_t MB_P [] = {
+ {INTRA|QUANT, 6}, {CODED|QUANT, 5}, {MC|CODED|QUANT, 5}, {INTRA, 5},
+ {MC, 3}, {MC, 3}, {MC, 3}, {MC, 3},
+ {CODED, 2}, {CODED, 2}, {CODED, 2}, {CODED, 2},
+ {CODED, 2}, {CODED, 2}, {CODED, 2}, {CODED, 2},
+ {MC|CODED, 1}, {MC|CODED, 1}, {MC|CODED, 1}, {MC|CODED, 1},
+ {MC|CODED, 1}, {MC|CODED, 1}, {MC|CODED, 1}, {MC|CODED, 1},
+ {MC|CODED, 1}, {MC|CODED, 1}, {MC|CODED, 1}, {MC|CODED, 1},
+ {MC|CODED, 1}, {MC|CODED, 1}, {MC|CODED, 1}, {MC|CODED, 1}
+};
+
+#define FWD MB_MOTION_FORWARD
+#define BWD MB_MOTION_BACKWARD
+#define INTER MB_MOTION_FORWARD|MB_MOTION_BACKWARD
+
+static lookup_t MB_B [] = {
+ {0, 0}, {INTRA|QUANT, 6},
+ {BWD|CODED|QUANT, 6}, {FWD|CODED|QUANT, 6},
+ {INTER|CODED|QUANT, 5}, {INTER|CODED|QUANT, 5},
+ {INTRA, 5}, {INTRA, 5},
+ {FWD, 4}, {FWD, 4}, {FWD, 4}, {FWD, 4},
+ {FWD|CODED, 4}, {FWD|CODED, 4}, {FWD|CODED, 4}, {FWD|CODED, 4},
+ {BWD, 3}, {BWD, 3}, {BWD, 3}, {BWD, 3},
+ {BWD, 3}, {BWD, 3}, {BWD, 3}, {BWD, 3},
+ {BWD|CODED, 3}, {BWD|CODED, 3}, {BWD|CODED, 3}, {BWD|CODED, 3},
+ {BWD|CODED, 3}, {BWD|CODED, 3}, {BWD|CODED, 3}, {BWD|CODED, 3},
+ {INTER, 2}, {INTER, 2}, {INTER, 2}, {INTER, 2},
+ {INTER, 2}, {INTER, 2}, {INTER, 2}, {INTER, 2},
+ {INTER, 2}, {INTER, 2}, {INTER, 2}, {INTER, 2},
+ {INTER, 2}, {INTER, 2}, {INTER, 2}, {INTER, 2},
+ {INTER|CODED, 2}, {INTER|CODED, 2}, {INTER|CODED, 2}, {INTER|CODED, 2},
+ {INTER|CODED, 2}, {INTER|CODED, 2}, {INTER|CODED, 2}, {INTER|CODED, 2},
+ {INTER|CODED, 2}, {INTER|CODED, 2}, {INTER|CODED, 2}, {INTER|CODED, 2},
+ {INTER|CODED, 2}, {INTER|CODED, 2}, {INTER|CODED, 2}, {INTER|CODED, 2}
+};
+
+#undef INTRA
+#undef QUANT
+#undef MC
+#undef CODED
+#undef FWD
+#undef BWD
+#undef INTER
+
+
+/*****************************************************************************
+ * Lookup tables for motion vectors
+ *****************************************************************************/
+
+static lookup_t MV_4 [] = {
+ { 3, 6}, { 2, 4}, { 1, 3}, { 1, 3}, { 0, 2}, { 0, 2}, { 0, 2}, { 0, 2}
+};
+
+static lookup_t MV_10 [] = {
+ { 0,10}, { 0,10}, { 0,10}, { 0,10}, { 0,10}, { 0,10}, { 0,10}, { 0,10},
+ { 0,10}, { 0,10}, { 0,10}, { 0,10}, {15,10}, {14,10}, {13,10}, {12,10},
+ {11,10}, {10,10}, { 9, 9}, { 9, 9}, { 8, 9}, { 8, 9}, { 7, 9}, { 7, 9},
+ { 6, 7}, { 6, 7}, { 6, 7}, { 6, 7}, { 6, 7}, { 6, 7}, { 6, 7}, { 6, 7},
+ { 5, 7}, { 5, 7}, { 5, 7}, { 5, 7}, { 5, 7}, { 5, 7}, { 5, 7}, { 5, 7},
+ { 4, 7}, { 4, 7}, { 4, 7}, { 4, 7}, { 4, 7}, { 4, 7}, { 4, 7}, { 4, 7}
+};
+
+
+static dmv_lookup_t DMV_2 [] = {
+ { 0, 1}, { 0, 1}, { 1, 2}, {-1, 2}
+};
+
+
+/*****************************************************************************
+ * Lookup tables for Coded Block Patterns
+ *****************************************************************************/
+
+static lookup_t CBP_7 [] = {
+ {0x22, 7}, {0x12, 7}, {0x0a, 7}, {0x06, 7},
+ {0x21, 7}, {0x11, 7}, {0x09, 7}, {0x05, 7},
+ {0x3f, 6}, {0x3f, 6}, {0x03, 6}, {0x03, 6},
+ {0x24, 6}, {0x24, 6}, {0x18, 6}, {0x18, 6},
+ {0x3e, 5}, {0x3e, 5}, {0x3e, 5}, {0x3e, 5},
+ {0x02, 5}, {0x02, 5}, {0x02, 5}, {0x02, 5},
+ {0x3d, 5}, {0x3d, 5}, {0x3d, 5}, {0x3d, 5},
+ {0x01, 5}, {0x01, 5}, {0x01, 5}, {0x01, 5},
+ {0x38, 5}, {0x38, 5}, {0x38, 5}, {0x38, 5},
+ {0x34, 5}, {0x34, 5}, {0x34, 5}, {0x34, 5},
+ {0x2c, 5}, {0x2c, 5}, {0x2c, 5}, {0x2c, 5},
+ {0x1c, 5}, {0x1c, 5}, {0x1c, 5}, {0x1c, 5},
+ {0x28, 5}, {0x28, 5}, {0x28, 5}, {0x28, 5},
+ {0x14, 5}, {0x14, 5}, {0x14, 5}, {0x14, 5},
+ {0x30, 5}, {0x30, 5}, {0x30, 5}, {0x30, 5},
+ {0x0c, 5}, {0x0c, 5}, {0x0c, 5}, {0x0c, 5},
+ {0x20, 4}, {0x20, 4}, {0x20, 4}, {0x20, 4},
+ {0x20, 4}, {0x20, 4}, {0x20, 4}, {0x20, 4},
+ {0x10, 4}, {0x10, 4}, {0x10, 4}, {0x10, 4},
+ {0x10, 4}, {0x10, 4}, {0x10, 4}, {0x10, 4},
+ {0x08, 4}, {0x08, 4}, {0x08, 4}, {0x08, 4},
+ {0x08, 4}, {0x08, 4}, {0x08, 4}, {0x08, 4},
+ {0x04, 4}, {0x04, 4}, {0x04, 4}, {0x04, 4},
+ {0x04, 4}, {0x04, 4}, {0x04, 4}, {0x04, 4},
+ {0x3c, 3}, {0x3c, 3}, {0x3c, 3}, {0x3c, 3},
+ {0x3c, 3}, {0x3c, 3}, {0x3c, 3}, {0x3c, 3},
+ {0x3c, 3}, {0x3c, 3}, {0x3c, 3}, {0x3c, 3},
+ {0x3c, 3}, {0x3c, 3}, {0x3c, 3}, {0x3c, 3}
+};
+
+static lookup_t CBP_9 [] = {
+ {0, 0}, {0x00, 9}, {0x27, 9}, {0x1b, 9},
+ {0x3b, 9}, {0x37, 9}, {0x2f, 9}, {0x1f, 9},
+ {0x3a, 8}, {0x3a, 8}, {0x36, 8}, {0x36, 8},
+ {0x2e, 8}, {0x2e, 8}, {0x1e, 8}, {0x1e, 8},
+ {0x39, 8}, {0x39, 8}, {0x35, 8}, {0x35, 8},
+ {0x2d, 8}, {0x2d, 8}, {0x1d, 8}, {0x1d, 8},
+ {0x26, 8}, {0x26, 8}, {0x1a, 8}, {0x1a, 8},
+ {0x25, 8}, {0x25, 8}, {0x19, 8}, {0x19, 8},
+ {0x2b, 8}, {0x2b, 8}, {0x17, 8}, {0x17, 8},
+ {0x33, 8}, {0x33, 8}, {0x0f, 8}, {0x0f, 8},
+ {0x2a, 8}, {0x2a, 8}, {0x16, 8}, {0x16, 8},
+ {0x32, 8}, {0x32, 8}, {0x0e, 8}, {0x0e, 8},
+ {0x29, 8}, {0x29, 8}, {0x15, 8}, {0x15, 8},
+ {0x31, 8}, {0x31, 8}, {0x0d, 8}, {0x0d, 8},
+ {0x23, 8}, {0x23, 8}, {0x13, 8}, {0x13, 8},
+ {0x0b, 8}, {0x0b, 8}, {0x07, 8}, {0x07, 8}
+};
+
+
+/*****************************************************************************
+ * Lookup tables for coefficients
+ *****************************************************************************/
+
+static lookup_t DC_lum_5 [] = {
+ {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2},
+ {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2},
+ {0, 3}, {0, 3}, {0, 3}, {0, 3}, {3, 3}, {3, 3}, {3, 3}, {3, 3},
+ {4, 3}, {4, 3}, {4, 3}, {4, 3}, {5, 4}, {5, 4}, {6, 5}
+};
+
+static lookup_t DC_chrom_5 [] = {
+ {0, 2}, {0, 2}, {0, 2}, {0, 2}, {0, 2}, {0, 2}, {0, 2}, {0, 2},
+ {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2},
+ {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2},
+ {3, 3}, {3, 3}, {3, 3}, {3, 3}, {4, 4}, {4, 4}, {5, 5}
+};
+
+static lookup_t DC_long [] = {
+ {6, 5}, {6, 5}, {6, 5}, {6, 5}, {6, 5}, {6, 5}, { 6, 5}, { 6, 5},
+ {6, 5}, {6, 5}, {6, 5}, {6, 5}, {6, 5}, {6, 5}, { 6, 5}, { 6, 5},
+ {7, 6}, {7, 6}, {7, 6}, {7, 6}, {7, 6}, {7, 6}, { 7, 6}, { 7, 6},
+ {8, 7}, {8, 7}, {8, 7}, {8, 7}, {9, 8}, {9, 8}, {10, 9}, {11, 9}
+};
+
+
+static dct_lookup_t DCT_16 [] = {
+ {129, 0, 16}, {129, 0, 16}, {129, 0, 16}, {129, 0, 16},
+ {129, 0, 16}, {129, 0, 16}, {129, 0, 16}, {129, 0, 16},
+ {129, 0, 16}, {129, 0, 16}, {129, 0, 16}, {129, 0, 16},
+ {129, 0, 16}, {129, 0, 16}, {129, 0, 16}, {129, 0, 16},
+ { 2,18, 16}, { 2,17, 16}, { 2,16, 16}, { 2,15, 16},
+ { 7, 3, 16}, { 17, 2, 16}, { 16, 2, 16}, { 15, 2, 16},
+ { 14, 2, 16}, { 13, 2, 16}, { 12, 2, 16}, { 32, 1, 16},
+ { 31, 1, 16}, { 30, 1, 16}, { 29, 1, 16}, { 28, 1, 16}
+};
+
+static dct_lookup_t DCT_15 [] = {
+ { 1,40,15}, { 1,39,15}, { 1,38,15}, { 1,37,15},
+ { 1,36,15}, { 1,35,15}, { 1,34,15}, { 1,33,15},
+ { 1,32,15}, { 2,14,15}, { 2,13,15}, { 2,12,15},
+ { 2,11,15}, { 2,10,15}, { 2, 9,15}, { 2, 8,15},
+ { 1,31,14}, { 1,31,14}, { 1,30,14}, { 1,30,14},
+ { 1,29,14}, { 1,29,14}, { 1,28,14}, { 1,28,14},
+ { 1,27,14}, { 1,27,14}, { 1,26,14}, { 1,26,14},
+ { 1,25,14}, { 1,25,14}, { 1,24,14}, { 1,24,14},
+ { 1,23,14}, { 1,23,14}, { 1,22,14}, { 1,22,14},
+ { 1,21,14}, { 1,21,14}, { 1,20,14}, { 1,20,14},
+ { 1,19,14}, { 1,19,14}, { 1,18,14}, { 1,18,14},
+ { 1,17,14}, { 1,17,14}, { 1,16,14}, { 1,16,14}
+};
+
+static dct_lookup_t DCT_13 [] = {
+ { 11, 2,13}, { 10, 2,13}, { 6, 3,13}, { 4, 4,13},
+ { 3, 5,13}, { 2, 7,13}, { 2, 6,13}, { 1,15,13},
+ { 1,14,13}, { 1,13,13}, { 1,12,13}, { 27, 1,13},
+ { 26, 1,13}, { 25, 1,13}, { 24, 1,13}, { 23, 1,13},
+ { 1,11,12}, { 1,11,12}, { 9, 2,12}, { 9, 2,12},
+ { 5, 3,12}, { 5, 3,12}, { 1,10,12}, { 1,10,12},
+ { 3, 4,12}, { 3, 4,12}, { 8, 2,12}, { 8, 2,12},
+ { 22, 1,12}, { 22, 1,12}, { 21, 1,12}, { 21, 1,12},
+ { 1, 9,12}, { 1, 9,12}, { 20, 1,12}, { 20, 1,12},
+ { 19, 1,12}, { 19, 1,12}, { 2, 5,12}, { 2, 5,12},
+ { 4, 3,12}, { 4, 3,12}, { 1, 8,12}, { 1, 8,12},
+ { 7, 2,12}, { 7, 2,12}, { 18, 1,12}, { 18, 1,12}
+};
+
+static dct_lookup_t DCT_B14_10 [] = {
+ { 17, 1,10}, { 6, 2,10}, { 1, 7,10}, { 3, 3,10},
+ { 2, 4,10}, { 16, 1,10}, { 15, 1,10}, { 5, 2,10}
+};
+
+static dct_lookup_t DCT_B14_8 [] = {
+ { 65, 0, 6}, { 65, 0, 6}, { 65, 0, 6}, { 65, 0, 6},
+ { 3, 2, 7}, { 3, 2, 7}, { 10, 1, 7}, { 10, 1, 7},
+ { 1, 4, 7}, { 1, 4, 7}, { 9, 1, 7}, { 9, 1, 7},
+ { 8, 1, 6}, { 8, 1, 6}, { 8, 1, 6}, { 8, 1, 6},
+ { 7, 1, 6}, { 7, 1, 6}, { 7, 1, 6}, { 7, 1, 6},
+ { 2, 2, 6}, { 2, 2, 6}, { 2, 2, 6}, { 2, 2, 6},
+ { 6, 1, 6}, { 6, 1, 6}, { 6, 1, 6}, { 6, 1, 6},
+ { 14, 1, 8}, { 1, 6, 8}, { 13, 1, 8}, { 12, 1, 8},
+ { 4, 2, 8}, { 2, 3, 8}, { 1, 5, 8}, { 11, 1, 8}
+};
+
+static dct_lookup_t DCT_B14AC_5 [] = {
+ { 1, 3, 5}, { 5, 1, 5}, { 4, 1, 5},
+ { 1, 2, 4}, { 1, 2, 4}, { 3, 1, 4}, { 3, 1, 4},
+ { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3},
+ {129, 0, 2}, {129, 0, 2}, {129, 0, 2}, {129, 0, 2},
+ {129, 0, 2}, {129, 0, 2}, {129, 0, 2}, {129, 0, 2},
+ { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
+ { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}
+};
+
+static dct_lookup_t DCT_B14DC_5 [] = {
+ { 1, 3, 5}, { 5, 1, 5}, { 4, 1, 5},
+ { 1, 2, 4}, { 1, 2, 4}, { 3, 1, 4}, { 3, 1, 4},
+ { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3},
+ { 1, 1, 1}, { 1, 1, 1}, { 1, 1, 1}, { 1, 1, 1},
+ { 1, 1, 1}, { 1, 1, 1}, { 1, 1, 1}, { 1, 1, 1},
+ { 1, 1, 1}, { 1, 1, 1}, { 1, 1, 1}, { 1, 1, 1},
+ { 1, 1, 1}, { 1, 1, 1}, { 1, 1, 1}, { 1, 1, 1}
+};
+
+static dct_lookup_t DCT_B15_10 [] = {
+ { 6, 2, 9}, { 6, 2, 9}, { 15, 1, 9}, { 15, 1, 9},
+ { 3, 4,10}, { 17, 1,10}, { 16, 1, 9}, { 16, 1, 9}
+};
+
+static dct_lookup_t DCT_B15_8 [] = {
+ { 65, 0, 6}, { 65, 0, 6}, { 65, 0, 6}, { 65, 0, 6},
+ { 8, 1, 7}, { 8, 1, 7}, { 9, 1, 7}, { 9, 1, 7},
+ { 7, 1, 7}, { 7, 1, 7}, { 3, 2, 7}, { 3, 2, 7},
+ { 1, 7, 6}, { 1, 7, 6}, { 1, 7, 6}, { 1, 7, 6},
+ { 1, 6, 6}, { 1, 6, 6}, { 1, 6, 6}, { 1, 6, 6},
+ { 5, 1, 6}, { 5, 1, 6}, { 5, 1, 6}, { 5, 1, 6},
+ { 6, 1, 6}, { 6, 1, 6}, { 6, 1, 6}, { 6, 1, 6},
+ { 2, 5, 8}, { 12, 1, 8}, { 1,11, 8}, { 1,10, 8},
+ { 14, 1, 8}, { 13, 1, 8}, { 4, 2, 8}, { 2, 4, 8},
+ { 3, 1, 5}, { 3, 1, 5}, { 3, 1, 5}, { 3, 1, 5},
+ { 3, 1, 5}, { 3, 1, 5}, { 3, 1, 5}, { 3, 1, 5},
+ { 2, 2, 5}, { 2, 2, 5}, { 2, 2, 5}, { 2, 2, 5},
+ { 2, 2, 5}, { 2, 2, 5}, { 2, 2, 5}, { 2, 2, 5},
+ { 4, 1, 5}, { 4, 1, 5}, { 4, 1, 5}, { 4, 1, 5},
+ { 4, 1, 5}, { 4, 1, 5}, { 4, 1, 5}, { 4, 1, 5},
+ { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3},
+ { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3},
+ { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3},
+ { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3},
+ { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3},
+ { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3},
+ { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3},
+ { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3},
+ {129, 0, 4}, {129, 0, 4}, {129, 0, 4}, {129, 0, 4},
+ {129, 0, 4}, {129, 0, 4}, {129, 0, 4}, {129, 0, 4},
+ {129, 0, 4}, {129, 0, 4}, {129, 0, 4}, {129, 0, 4},
+ {129, 0, 4}, {129, 0, 4}, {129, 0, 4}, {129, 0, 4},
+ { 1, 3, 4}, { 1, 3, 4}, { 1, 3, 4}, { 1, 3, 4},
+ { 1, 3, 4}, { 1, 3, 4}, { 1, 3, 4}, { 1, 3, 4},
+ { 1, 3, 4}, { 1, 3, 4}, { 1, 3, 4}, { 1, 3, 4},
+ { 1, 3, 4}, { 1, 3, 4}, { 1, 3, 4}, { 1, 3, 4},
+ { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
+ { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
+ { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
+ { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
+ { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
+ { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
+ { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
+ { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
+ { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
+ { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
+ { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
+ { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
+ { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
+ { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
+ { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
+ { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
+ { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3},
+ { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3},
+ { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3},
+ { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3},
+ { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3},
+ { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3},
+ { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3},
+ { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3},
+ { 1, 4, 5}, { 1, 4, 5}, { 1, 4, 5}, { 1, 4, 5},
+ { 1, 4, 5}, { 1, 4, 5}, { 1, 4, 5}, { 1, 4, 5},
+ { 1, 5, 5}, { 1, 5, 5}, { 1, 5, 5}, { 1, 5, 5},
+ { 1, 5, 5}, { 1, 5, 5}, { 1, 5, 5}, { 1, 5, 5},
+ { 10, 1, 7}, { 10, 1, 7}, { 2, 3, 7}, { 2, 3, 7},
+ { 11, 1, 7}, { 11, 1, 7}, { 1, 8, 7}, { 1, 8, 7},
+ { 1, 9, 7}, { 1, 9, 7}, { 1,12, 8}, { 1,13, 8},
+ { 3, 3, 8}, { 5, 2, 8}, { 1,14, 8}, { 1,15, 8}
+};
+
+
+/*****************************************************************************
+ * Lookup tables for Macroblock Address Increment
+ *****************************************************************************/
+
+static lookup_t MBA_5 [] = {
+ {6, 5}, {5, 5}, {4, 4}, {4, 4}, {3, 4}, {3, 4},
+ {2, 3}, {2, 3}, {2, 3}, {2, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3},
+ {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1},
+ {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}
+};
+
+static lookup_t MBA_11 [] = {
+ {32, 11}, {31, 11}, {30, 11}, {29, 11},
+ {28, 11}, {27, 11}, {26, 11}, {25, 11},
+ {24, 11}, {23, 11}, {22, 11}, {21, 11},
+ {20, 10}, {20, 10}, {19, 10}, {19, 10},
+ {18, 10}, {18, 10}, {17, 10}, {17, 10},
+ {16, 10}, {16, 10}, {15, 10}, {15, 10},
+ {14, 8}, {14, 8}, {14, 8}, {14, 8},
+ {14, 8}, {14, 8}, {14, 8}, {14, 8},
+ {13, 8}, {13, 8}, {13, 8}, {13, 8},
+ {13, 8}, {13, 8}, {13, 8}, {13, 8},
+ {12, 8}, {12, 8}, {12, 8}, {12, 8},
+ {12, 8}, {12, 8}, {12, 8}, {12, 8},
+ {11, 8}, {11, 8}, {11, 8}, {11, 8},
+ {11, 8}, {11, 8}, {11, 8}, {11, 8},
+ {10, 8}, {10, 8}, {10, 8}, {10, 8},
+ {10, 8}, {10, 8}, {10, 8}, {10, 8},
+ { 9, 8}, { 9, 8}, { 9, 8}, { 9, 8},
+ { 9, 8}, { 9, 8}, { 9, 8}, { 9, 8},
+ { 8, 7}, { 8, 7}, { 8, 7}, { 8, 7},
+ { 8, 7}, { 8, 7}, { 8, 7}, { 8, 7},
+ { 8, 7}, { 8, 7}, { 8, 7}, { 8, 7},
+ { 8, 7}, { 8, 7}, { 8, 7}, { 8, 7},
+ { 7, 7}, { 7, 7}, { 7, 7}, { 7, 7},
+ { 7, 7}, { 7, 7}, { 7, 7}, { 7, 7},
+ { 7, 7}, { 7, 7}, { 7, 7}, { 7, 7},
+ { 7, 7}, { 7, 7}, { 7, 7}, { 7, 7}
+};