The table below shows the definitions of global macros.
| Global Macro Name | Definition | Notes |
|---|---|---|
| IPP_AAC_FRAME_LEN | 1024 |
size of data in one frame |
| IPP_AAC_SF_LEN | 120 |
scale factor buffer length |
| IPP_AAC_GROUP_NUM_MAX | 8 |
maximum group number for one frame |
| IPP_AAC_TNS_COEF_LEN | 60 |
TNS coefficients buffer length |
| IPP_AAC_TNS_FILT_MAX | 8 |
maximum TNS filter number for one frame |
| IPP_AAC_PRED_SFB_MAX | 41 |
maximum prediction scale factor bands number for one frame |
| IPP_AAC_ELT_NUM | 16 |
maximum number of elements for one program |
| IPP_AAC_LFE_ELT_NUM | 4 |
maximum Low Frequency Enhance elements number for one program |
| IPP_AAC_DATA_ELT_NUM | 8 |
maximum data elements number for one program |
| IPP_AAC_COMMENTS_LEN | 256 |
maximum length of the comment field in bytes |
| IPP_AAC_PULSE_NUM_MAX | 5 |
maximum number of the pulse escapes |
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