Remove a couple of redundant array copy operations.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15747 a1c6a512-1295-4272-9138-f99709370657

2 files changed, 4 insertions, 10 deletions

diff --git a/apps/codecs/libspeex/nb_celp.c b/apps/codecs/libspeex/nb_celp.c
index 9ddac46..d1e8cae 100644
--- a/apps/codecs/libspeex/nb_celp.c
+++ b/apps/codecs/libspeex/nb_celp.c
@@ -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;
diff --git a/apps/codecs/libspeex/sb_celp.c b/apps/codecs/libspeex/sb_celp.c
index 424d590..17cfc73 100644
--- a/apps/codecs/libspeex/sb_celp.c
+++ b/apps/codecs/libspeex/sb_celp.c
@@ -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));