/* * g722_1 - a library for the G.722.1 and Annex C codecs * * tables.h * * Adapted by Steve Underwood from the reference * code supplied with ITU G.722.1, which is: * * (C) 2004 Polycom, Inc. * All rights reserved. * * 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. */ #define REGION_POWER_TABLE_SIZE 64 #define NUM_CATEGORIES 8 extern const int16_t vector_dimension[NUM_CATEGORIES]; extern const int16_t number_of_vectors[NUM_CATEGORIES]; /* The last category isn't really coded with scalar quantization. */ extern const int16_t max_bin[NUM_CATEGORIES]; extern const int16_t max_bin_plus_one_inverse[NUM_CATEGORIES]; #if defined(G722_1_USE_FIXED_POINT) extern const int16_t int_region_standard_deviation_table[REGION_POWER_TABLE_SIZE]; extern const int16_t standard_deviation_inverse_table[REGION_POWER_TABLE_SIZE]; extern const int16_t step_size_inverse_table[NUM_CATEGORIES]; extern const int16_t int_dead_zone[NUM_CATEGORIES]; extern const int16_t int_dead_zone_low_bits[NUM_CATEGORIES]; extern const int16_t samples_to_rmlt_window[DCT_LENGTH]; extern const int16_t max_samples_to_rmlt_window[MAX_DCT_LENGTH]; extern const int16_t rmlt_to_samples_window[DCT_LENGTH]; extern const int16_t max_rmlt_to_samples_window[MAX_DCT_LENGTH]; #else extern const float region_standard_deviation_table[REGION_POWER_TABLE_SIZE]; extern const float standard_deviation_inverse_table[REGION_POWER_TABLE_SIZE]; extern const float step_size_inverse_table[NUM_CATEGORIES]; extern const float dead_zone[NUM_CATEGORIES]; extern const float samples_to_rmlt_window[DCT_LENGTH]; extern const float max_samples_to_rmlt_window[MAX_DCT_LENGTH]; extern const float rmlt_to_samples_window[DCT_LENGTH]; extern const float max_rmlt_to_samples_window[MAX_DCT_LENGTH]; extern const float step_size[NUM_CATEGORIES]; extern const float region_power_table[REGION_POWER_TABLE_SIZE]; extern const float region_power_table_boundary[REGION_POWER_TABLE_SIZE - 1]; #endif /*- End of file ------------------------------------------------------------*/