| Nanang Izzuddin | 57b8857 | 2009-04-01 12:05:34 +0000 | [diff] [blame] | 1 | /*********************************************************************** |
| 2 | ** |
| 3 | ** ITU-T G.722.1 (2005-05) - Fixed point implementation for main body and Annex C |
| 4 | ** > Software Release 2.1 (2008-06) |
| 5 | ** (Simple repackaging; no change from 2005-05 Release 2.0 code) |
| 6 | ** |
| 7 | ** © 2004 Polycom, Inc. |
| 8 | ** |
| 9 | ** All rights reserved. |
| 10 | ** |
| 11 | ***********************************************************************/ |
| 12 | |
| 13 | #define REGION_POWER_STEPSIZE_DB 3.010299957 |
| 14 | #define ABS_REGION_POWER_LEVELS 32 |
| 15 | #define DIFF_REGION_POWER_LEVELS 24 |
| 16 | |
| 17 | #define DRP_DIFF_MIN -12 |
| 18 | #define DRP_DIFF_MAX 11 |
| 19 | |
| 20 | #define MAX_NUM_BINS 16 |
| 21 | #define MAX_VECTOR_INDICES 625 |
| 22 | #define MAX_VECTOR_DIMENSION 5 |
| 23 | |
| 24 | extern Word16 differential_region_power_bits[MAX_NUMBER_OF_REGIONS][DIFF_REGION_POWER_LEVELS]; |
| 25 | extern UWord16 differential_region_power_codes[MAX_NUMBER_OF_REGIONS][DIFF_REGION_POWER_LEVELS]; |
| 26 | extern Word16 differential_region_power_decoder_tree[MAX_NUMBER_OF_REGIONS][DIFF_REGION_POWER_LEVELS-1][2]; |
| 27 | extern Word16 mlt_quant_centroid[NUM_CATEGORIES][MAX_NUM_BINS]; |
| 28 | extern Word16 expected_bits_table[NUM_CATEGORIES]; |
| 29 | extern Word16 mlt_sqvh_bitcount_category_0[196]; |
| 30 | extern UWord16 mlt_sqvh_code_category_0[196]; |
| 31 | extern Word16 mlt_sqvh_bitcount_category_1[100]; |
| 32 | extern UWord16 mlt_sqvh_code_category_1[100]; |
| 33 | extern Word16 mlt_sqvh_bitcount_category_2[49]; |
| 34 | extern UWord16 mlt_sqvh_code_category_2[49]; |
| 35 | extern Word16 mlt_sqvh_bitcount_category_3[625]; |
| 36 | extern UWord16 mlt_sqvh_code_category_3[625]; |
| 37 | extern Word16 mlt_sqvh_bitcount_category_4[256]; |
| 38 | extern UWord16 mlt_sqvh_code_category_4[256]; |
| 39 | extern Word16 mlt_sqvh_bitcount_category_5[243]; |
| 40 | extern UWord16 mlt_sqvh_code_category_5[243]; |
| 41 | extern Word16 mlt_sqvh_bitcount_category_6[32]; |
| 42 | extern UWord16 mlt_sqvh_code_category_6[32]; |
| 43 | extern Word16 *table_of_bitcount_tables[NUM_CATEGORIES-1]; |
| 44 | extern UWord16 *table_of_code_tables[NUM_CATEGORIES-1]; |
| 45 | extern Word16 mlt_decoder_tree_category_0[180][2]; |
| 46 | extern Word16 mlt_decoder_tree_category_1[93][2]; |
| 47 | extern Word16 mlt_decoder_tree_category_2[47][2]; |
| 48 | extern Word16 mlt_decoder_tree_category_3[519][2]; |
| 49 | extern Word16 mlt_decoder_tree_category_4[208][2]; |
| 50 | extern Word16 mlt_decoder_tree_category_5[191][2]; |
| 51 | extern Word16 mlt_decoder_tree_category_6[31][2]; |
| 52 | extern Word16 *table_of_decoder_tables[NUM_CATEGORIES-1]; |
| 53 | |