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/************* Revision Controle System Header ************* 
 *                  GSM Layer 1 software  
 * L1MP3_CONST.H 
 * 
 *        Filename l1mp3_const.h 
 *  Copyright 2004 (C) Texas Instruments 
 * 
 ************* Revision Controle System Header *************/ 
 
#ifndef _L1MP3_CONST_H_ 
#define _L1MP3_CONST_H_ 
 
// DSP MP3 background task id 
#define C_BGD_MP3   8 
 
// MP3 API base address 
#define C_MP3_API_BASE_ADDRESS 0x1AD0 
 
 
// MP3 header information 
// ---------------------- 
 
// frequency rate 
#define C_MP3_HEADER_FREQ_48000          0 
#define C_MP3_HEADER_FREQ_44100          1 
#define C_MP3_HEADER_FREQ_32000          2 
#define C_MP3_HEADER_FREQ_24000          3 
#define C_MP3_HEADER_FREQ_22050          4 
#define C_MP3_HEADER_FREQ_16000          5 
#define C_MP3_HEADER_FREQ_12000          6 
#define C_MP3_HEADER_FREQ_11025          7 
#define C_MP3_HEADER_FREQ_8000           8 
 
// bitrate 
#define C_MP3_HEADER_BITRATE_320         0 
#define C_MP3_HEADER_BITRATE_256         1 
#define C_MP3_HEADER_BITRATE_224         2 
#define C_MP3_HEADER_BITRATE_192         3 
#define C_MP3_HEADER_BITRATE_160         4 
#define C_MP3_HEADER_BITRATE_128         5 
#define C_MP3_HEADER_BITRATE_112         6 
#define C_MP3_HEADER_BITRATE_96          7 
#define C_MP3_HEADER_BITRATE_80          8 
#define C_MP3_HEADER_BITRATE_64          9 
#define C_MP3_HEADER_BITRATE_56         10 
#define C_MP3_HEADER_BITRATE_48         11 
#define C_MP3_HEADER_BITRATE_40         12 
#define C_MP3_HEADER_BITRATE_32         13 
 
// MPEG version 
#define C_MP3_HEADER_MPEGID_1            1 
#define C_MP3_HEADER_MPEGID_2            2 
#define C_MP3_HEADER_MPEGID_2_5          3 
 
// MPEG layer 
#define C_MP3_HEADER_LAYER_I             1 
#define C_MP3_HEADER_LAYER_II            2 
#define C_MP3_HEADER_LAYER_III           3 
 
// channel mode 
#define C_MP3_HEADER_STEREO              0 
#define C_MP3_HEADER_JSTEREO             1 
#define C_MP3_HEADER_DUAL_MONO           2 
#define C_MP3_HEADER_MONO                3 
 
// emphasis 
#define C_MP3_HEADER_EMPHASIS_NONE       0 
#define C_MP3_HEADER_EMPHASIS_50_15      1 
#define C_MP3_HEADER_EMPHASIS_CCIT_J17   2 
 
#define C_MP3_HEADER_ERROR             255 
 
#endif