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Fixes a silly fixed-point scaling PLC bug

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This commit is contained in:
Jean-Marc Valin 2010-11-06 21:41:40 -04:00
parent d7231dd1a9
commit e53c4bc59b
1 changed files with 2 additions and 2 deletions
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4
libcelt/celt.c
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@ -1434,7 +1434,7 @@ static void celt_decode_lost(CELTDecoder * restrict st, celt_word16 * restrict p
_celt_lpc(lpc+c*LPC_ORDER, ac, LPC_ORDER); _celt_lpc(lpc+c*LPC_ORDER, ac, LPC_ORDER);
} }
for (i=0;i<LPC_ORDER;i++) for (i=0;i<LPC_ORDER;i++)
mem[i] = out_mem[c][MAX_PERIOD-1-i]; mem[i] = ROUND16(out_mem[c][MAX_PERIOD-1-i], SIG_SHIFT);
fir(exc, lpc+c*LPC_ORDER, exc, MAX_PERIOD, LPC_ORDER, mem); fir(exc, lpc+c*LPC_ORDER, exc, MAX_PERIOD, LPC_ORDER, mem);
/*for (i=0;i<MAX_PERIOD;i++)printf("%d ", exc[i]); printf("\n");*/ /*for (i=0;i<MAX_PERIOD;i++)printf("%d ", exc[i]); printf("\n");*/
/* Check if the waveform is decaying (and if so how fast) */ /* Check if the waveform is decaying (and if so how fast) */
@ -1467,7 +1467,7 @@ static void celt_decode_lost(CELTDecoder * restrict st, celt_word16 * restrict p
S1 += SHR32(MULT16_16(out_mem[c][offset+i],out_mem[c][offset+i]),8); S1 += SHR32(MULT16_16(out_mem[c][offset+i],out_mem[c][offset+i]),8);
} }
for (i=0;i<LPC_ORDER;i++) for (i=0;i<LPC_ORDER;i++)
mem[i] = out_mem[c][MAX_PERIOD-1-i]; mem[i] = ROUND16(out_mem[c][MAX_PERIOD-1-i], SIG_SHIFT);
for (i=0;i<len+st->mode->overlap;i++) for (i=0;i<len+st->mode->overlap;i++)
e[i] = MULT16_32_Q15(fade, e[i]); e[i] = MULT16_32_Q15(fade, e[i]);
iir(e, lpc+c*LPC_ORDER, e, len+st->mode->overlap, LPC_ORDER, mem); iir(e, lpc+c*LPC_ORDER, e, len+st->mode->overlap, LPC_ORDER, mem);