54 lines
2.2 KiB
C
54 lines
2.2 KiB
C
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/***********************************************************************
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**
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** ITU-T G.722.1 (2005-05) - Fixed point implementation for main body and Annex C
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** > Software Release 2.1 (2008-06)
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** (Simple repackaging; no change from 2005-05 Release 2.0 code)
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**
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** <EFBFBD> 2004 Polycom, Inc.
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**
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** All rights reserved.
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**
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***********************************************************************/
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#define REGION_POWER_STEPSIZE_DB 3.010299957
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#define ABS_REGION_POWER_LEVELS 32
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#define DIFF_REGION_POWER_LEVELS 24
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#define DRP_DIFF_MIN -12
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#define DRP_DIFF_MAX 11
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#define MAX_NUM_BINS 16
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#define MAX_VECTOR_INDICES 625
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#define MAX_VECTOR_DIMENSION 5
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extern Word16 differential_region_power_bits[MAX_NUMBER_OF_REGIONS][DIFF_REGION_POWER_LEVELS];
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extern UWord16 differential_region_power_codes[MAX_NUMBER_OF_REGIONS][DIFF_REGION_POWER_LEVELS];
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extern Word16 differential_region_power_decoder_tree[MAX_NUMBER_OF_REGIONS][DIFF_REGION_POWER_LEVELS-1][2];
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extern Word16 mlt_quant_centroid[NUM_CATEGORIES][MAX_NUM_BINS];
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extern Word16 expected_bits_table[NUM_CATEGORIES];
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extern Word16 mlt_sqvh_bitcount_category_0[196];
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extern UWord16 mlt_sqvh_code_category_0[196];
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extern Word16 mlt_sqvh_bitcount_category_1[100];
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extern UWord16 mlt_sqvh_code_category_1[100];
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extern Word16 mlt_sqvh_bitcount_category_2[49];
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extern UWord16 mlt_sqvh_code_category_2[49];
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extern Word16 mlt_sqvh_bitcount_category_3[625];
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extern UWord16 mlt_sqvh_code_category_3[625];
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extern Word16 mlt_sqvh_bitcount_category_4[256];
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extern UWord16 mlt_sqvh_code_category_4[256];
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extern Word16 mlt_sqvh_bitcount_category_5[243];
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extern UWord16 mlt_sqvh_code_category_5[243];
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extern Word16 mlt_sqvh_bitcount_category_6[32];
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extern UWord16 mlt_sqvh_code_category_6[32];
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extern Word16 *table_of_bitcount_tables[NUM_CATEGORIES-1];
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extern UWord16 *table_of_code_tables[NUM_CATEGORIES-1];
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extern Word16 mlt_decoder_tree_category_0[180][2];
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extern Word16 mlt_decoder_tree_category_1[93][2];
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extern Word16 mlt_decoder_tree_category_2[47][2];
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extern Word16 mlt_decoder_tree_category_3[519][2];
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extern Word16 mlt_decoder_tree_category_4[208][2];
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extern Word16 mlt_decoder_tree_category_5[191][2];
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extern Word16 mlt_decoder_tree_category_6[31][2];
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extern Word16 *table_of_decoder_tables[NUM_CATEGORIES-1];
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