blob: 0d5c5bd5b19f93868fcb9e246813e5257e4cbd6d
| 1 | /* |
| 2 | *=================================================================== |
| 3 | * 3GPP AMR Wideband Floating-point Speech Codec |
| 4 | *=================================================================== |
| 5 | */ |
| 6 | #ifndef DEC_UTIL_H |
| 7 | #define DEC_UTIL_H |
| 8 | |
| 9 | #include "typedef.h" |
| 10 | #include "dec_main.h" |
| 11 | |
| 12 | Word16 D_UTIL_random(Word16 *seed); |
| 13 | |
| 14 | Word32 D_UTIL_pow2(Word16 exponant, Word16 fraction); |
| 15 | Word16 D_UTIL_norm_l(Word32 L_var1); |
| 16 | Word16 D_UTIL_norm_s(Word16 var1); |
| 17 | Word32 D_UTIL_dot_product12(Word16 x[], Word16 y[], Word16 lg, Word16 *exp); |
| 18 | void D_UTIL_normalised_inverse_sqrt(Word32 *frac, Word16 *exp); |
| 19 | Word32 D_UTIL_inverse_sqrt(Word32 L_x); |
| 20 | void D_UTIL_log2(Word32 L_x, Word16 *exponent, Word16 *fraction); |
| 21 | void D_UTIL_l_extract(Word32 L_32, Word16 *hi, Word16 *lo); |
| 22 | Word32 D_UTIL_mpy_32_16(Word16 hi, Word16 lo, Word16 n); |
| 23 | Word32 D_UTIL_mpy_32(Word16 hi1, Word16 lo1, Word16 hi2, Word16 lo2); |
| 24 | Word16 D_UTIL_saturate(Word32 inp); |
| 25 | void D_UTIL_signal_up_scale(Word16 x[], Word16 lg, Word16 exp); |
| 26 | void D_UTIL_signal_down_scale(Word16 x[], Word16 lg, Word16 exp); |
| 27 | void D_UTIL_dec_synthesis(Word16 Aq[], Word16 exc[], Word16 Q_new, |
| 28 | Word16 synth16k[], Word16 prms, Word16 HfIsf[], |
| 29 | Word16 mode, Word16 newDTXState, Word16 bfi, |
| 30 | Decoder_State *st); |
| 31 | void D_UTIL_preemph(Word16 x[], Word16 mu, Word16 lg, Word16 *mem); |
| 32 | |
| 33 | #endif |
| 34 |