} while (end > band_start_tab[band++]);
}
-/* AC-3 bit allocation. The algorithm is the one described in the AC-3
- spec. */
-void ac3_parametric_bit_allocation(AC3BitAllocParameters *s, uint8_t *bap,
- int8_t *exp, int start, int end,
- int snr_offset, int fast_gain, int is_lfe,
- int dba_mode, int dba_nsegs,
- uint8_t *dba_offsets, uint8_t *dba_lengths,
- uint8_t *dba_values)
-{
- int16_t psd[AC3_MAX_COEFS]; /* scaled exponents */
- int16_t band_psd[AC3_CRITICAL_BANDS]; /* interpolated exponents */
- int16_t mask[AC3_CRITICAL_BANDS]; /* masking value */
-
- ff_ac3_bit_alloc_calc_psd(exp, start, end, psd, band_psd);
-
- ff_ac3_bit_alloc_calc_mask(s, band_psd, start, end, fast_gain, is_lfe,
- dba_mode, dba_nsegs, dba_offsets, dba_lengths,
- dba_values, mask);
-
- ff_ac3_bit_alloc_calc_bap(mask, psd, start, end, snr_offset, s->floor,
- ff_ac3_bap_tab, bap);
-}
-
/**
* Initialize some tables.
* note: This function must remain thread safe because it is called by the
int snr_offset, int floor,
const uint8_t *bap_tab, uint8_t *bap);
-void ac3_parametric_bit_allocation(AC3BitAllocParameters *s, uint8_t *bap,
- int8_t *exp, int start, int end,
- int snr_offset, int fast_gain, int is_lfe,
- int dba_mode, int dba_nsegs,
- uint8_t *dba_offsets, uint8_t *dba_lengths,
- uint8_t *dba_values);
-
#endif /* AVCODEC_AC3_H */