diff options
Diffstat (limited to 'libcelt/celt.c')
-rw-r--r-- | libcelt/celt.c | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/libcelt/celt.c b/libcelt/celt.c index 31d35f8..ccab29d 100644 --- a/libcelt/celt.c +++ b/libcelt/celt.c @@ -1967,17 +1967,26 @@ static void celt_decode_lost(CELTDecoder * restrict st, celt_word16 * restrict p log2Amp(st->mode, st->start, st->end, bandE, backgroundLogE, C); seed = st->rng; - for (i=0;i<C*N;i++) + for (c=0;c<C;c++) { - seed = lcg_rand(seed); - X[i] = (celt_int32)(seed)>>20; + for (i=0;i<st->mode->effEBands;i++) + { + int j; + int boffs; + int blen; + boffs = N*c+(st->mode->eBands[i]<<LM); + blen = (st->mode->eBands[i+1]-st->mode->eBands[i])<<LM; + for (j=0;j<blen;j++) + { + seed = lcg_rand(seed); + X[boffs+j] = (celt_int32)(seed)>>20; + } + renormalise_vector(X+boffs, blen, Q15ONE); + } } st->rng = seed; - for (c=0;c<C;c++) - for (i=0;i<st->mode->nbEBands;i++) - renormalise_vector(X+N*c+(st->mode->eBands[i]<<LM), (st->mode->eBands[i+1]-st->mode->eBands[i])<<LM, Q15ONE); - denormalise_bands(st->mode, X, freq, bandE, st->mode->nbEBands, C, 1<<LM); + denormalise_bands(st->mode, X, freq, bandE, st->mode->effEBands, C, 1<<LM); compute_inv_mdcts(st->mode, 0, freq, out_syn, overlap_mem, C, LM); plc = 0; |