diff options
Diffstat (limited to 'doc/nb_celp.c')
| -rw-r--r-- | doc/nb_celp.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/doc/nb_celp.c b/doc/nb_celp.c index 90bda10..50d5ffa 100644 --- a/doc/nb_celp.c +++ b/doc/nb_celp.c @@ -86,7 +86,7 @@ int nb_decode(struct speex_decode_state *st, SpeexBits *bits, float *out) mode = speex_bits_unpack_unsigned(bits, 4); if (mode == 15) return -1; - + } while (mode > 8); if (mode != 3) { @@ -108,7 +108,7 @@ int nb_decode(struct speex_decode_state *st, SpeexBits *bits, float *out) for (i=0; i<NB_ORDER; i++) st->old_qlsp[i] = qlsp[i]; } - + /* Get global excitation gain */ qe = speex_bits_unpack_unsigned(bits, 5); ol_gain = SIG_SCALING*exp(qe/3.5); @@ -130,14 +130,14 @@ int nb_decode(struct speex_decode_state *st, SpeexBits *bits, float *out) NB_SUBFRAME_SIZE, bits, 0); sanitize_values32(exc32, -32000, 32000, NB_SUBFRAME_SIZE); - + /* Unquantize the innovation */ SPEEX_MEMSET(innov, 0, NB_SUBFRAME_SIZE); /* Decode sub-frame gain correction */ q_energy = speex_bits_unpack_unsigned(bits, 1); ener = exc_gain_quant_scal1[q_energy] * ol_gain; - + /* Fixed codebook contribution */ split_cb_shape_sign_unquant(innov, bits); @@ -148,9 +148,9 @@ int nb_decode(struct speex_decode_state *st, SpeexBits *bits, float *out) exc[i] = exc32[i] + innov[i]; } } - + SPEEX_COPY(out, &st->exc[-NB_SUBFRAME_SIZE], NB_FRAME_SIZE); - + /* Loop on subframes */ for (sub=0; sub<4; sub++) { const int offset = NB_SUBFRAME_SIZE*sub; @@ -173,7 +173,7 @@ int nb_decode(struct speex_decode_state *st, SpeexBits *bits, float *out) for (i=0; i<NB_ORDER; i++) st->interp_qlpc[i] = ak[i]; } - + /* Store the LSPs for interpolation in the next frame */ for (i=0; i<NB_ORDER; i++) st->old_qlsp[i] = qlsp[i]; |