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Remove a couple of redundant array copy operations.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15747 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Thom Johansen 2007-11-22 00:04:58 +00:00
parent e2e287d80e
commit e7988b8d88
2 changed files with 4 additions and 10 deletions
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10
apps/codecs/libspeex/nb_celp.c
View file

@ -1081,11 +1081,9 @@ static void nb_decode_lost(DecState *st, spx_word16_t *out, char *stack)
speex_rand(noise_gain, &st->seed);
}
for (i=0;i<st->frameSize;i++)
out[i]=st->exc[i-st->subframeSize];
bw_lpc(QCONST16(.98,15), st->interp_qlpc, st->interp_qlpc, st->lpcSize);
iir_mem16(out, st->interp_qlpc, out, st->frameSize, st->lpcSize,
st->mem_sp, stack);
iir_mem16(&st->exc[-st->subframeSize], st->interp_qlpc, out,
st->frameSize, st->lpcSize, st->mem_sp, stack);
highpass(out, out, st->frameSize, HIGHPASS_NARROWBAND|HIGHPASS_OUTPUT, st->mem_hp);
st->first = 0;
@ -1238,10 +1236,8 @@ int nb_decode(void *state, SpeexBits *bits, void *vout)
st->first=1;
for (i=0;i<st->frameSize;i++)
out[i] = st->exc[i];
/* Final signal synthesis from excitation */
iir_mem16(out, lpc, out, st->frameSize, st->lpcSize, st->mem_sp, stack);
iir_mem16(st->exc, lpc, out, st->frameSize, st->lpcSize, st->mem_sp, stack);
st->count_lost=0;
return 0;

4
apps/codecs/libspeex/sb_celp.c
View file

@ -1098,9 +1098,7 @@ int sb_decode(void *state, SpeexBits *bits, void *vout)
innov_save[2*i]=EXTRACT16(PSHR32(exc[i],SIG_SHIFT));
}
for (i=0;i<st->subframeSize;i++)
sp[i]=st->excBuf[i];
iir_mem16(sp, st->interp_qlpc, sp, st->subframeSize, st->lpcSize,
iir_mem16(st->excBuf, st->interp_qlpc, sp, st->subframeSize, st->lpcSize,
st->mem_sp, stack);
for (i=0;i<st->subframeSize;i++)
st->excBuf[i]=EXTRACT16(PSHR32(exc[i],SIG_SHIFT));