| /*********************************************************************** |
| ** |
| ** ITU-T G.722.1 (2005-05) - Fixed point implementation for main body and Annex C |
| ** > Software Release 2.1 (2008-06) |
| ** (Simple repackaging; no change from 2005-05 Release 2.0 code) |
| ** |
| ** © 1999 PictureTel Coporation |
| ** Andover, MA, USA |
| ** |
| ** All rights reserved. |
| ** |
| ***********************************************************************/ |
| |
| /*********************************************************************** |
| Filename: tables.h |
| |
| Purpose: Contains table definitions used by G.722.1 Annex C |
| |
| Design Notes: |
| |
| ***********************************************************************/ |
| |
| /*********************************************************************** |
| Include files |
| ***********************************************************************/ |
| #define REGION_POWER_TABLE_SIZE 64 |
| #define NUM_CATEGORIES 8 |
| #define DCT_LENGTH 320 |
| #define MAX_DCT_LENGTH 640 |
| |
| extern Word16 int_region_standard_deviation_table[REGION_POWER_TABLE_SIZE]; |
| extern Word16 standard_deviation_inverse_table[REGION_POWER_TABLE_SIZE]; |
| extern Word16 step_size_inverse_table[NUM_CATEGORIES]; |
| extern Word16 vector_dimension[NUM_CATEGORIES]; |
| extern Word16 number_of_vectors[NUM_CATEGORIES]; |
| /* The last category isn't really coded with scalar quantization. */ |
| extern Word16 max_bin[NUM_CATEGORIES]; |
| extern Word16 max_bin_plus_one_inverse[NUM_CATEGORIES]; |
| extern Word16 int_dead_zone[NUM_CATEGORIES]; |
| extern Word16 samples_to_rmlt_window[DCT_LENGTH]; |
| extern Word16 rmlt_to_samples_window[DCT_LENGTH]; |
| |
| /* Add next line in Release 1.2 */ |
| extern Word16 int_dead_zone_low_bits[NUM_CATEGORIES]; |
| |
| extern Word16 max_samples_to_rmlt_window[MAX_DCT_LENGTH]; |
| extern Word16 max_rmlt_to_samples_window[MAX_DCT_LENGTH]; |