Fix several 'variable set but not used' warnings reported from GCC 4.6.0.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29805 a1c6a512-1295-4272-9138-f99709370657

2 files changed, 7 insertions, 11 deletions

diff --git a/apps/codecs/libspeex/cb_search.c b/apps/codecs/libspeex/cb_search.c
index f9ff0a6784..35fe3a2f67 100644
--- a/apps/codecs/libspeex/cb_search.c
+++ b/apps/codecs/libspeex/cb_search.c
@@ -529,14 +529,13 @@ spx_int32_t *seed
    VARDECL(int *ind);
    VARDECL(int *signs);
    const signed char *shape_cb;
-   int shape_cb_size, subvect_size, nb_subvect;
+   int subvect_size, nb_subvect;
    const split_cb_params *params;
    int have_sign;
 
    params = (const split_cb_params *) par;
    subvect_size = params->subvect_size;
    nb_subvect = params->nb_subvect;
-   shape_cb_size = 1<<params->shape_bits;
    shape_cb = params->shape_cb;
    have_sign = params->have_sign;
 
diff --git a/apps/codecs/libspeex/nb_celp.c b/apps/codecs/libspeex/nb_celp.c
index 90a5d1e991..98f5e2e240 100644
--- a/apps/codecs/libspeex/nb_celp.c
+++ b/apps/codecs/libspeex/nb_celp.c
@@ -1001,12 +1001,13 @@ void *nb_decoder_init(const SpeexMode *m)
 }
 
 void nb_decoder_destroy(void *state)
-{
+{   
+#if !(defined(VAR_ARRAYS) || defined (USE_ALLOCA))
    DecState *st;
    st=(DecState*)state;
-   
-#if !(defined(VAR_ARRAYS) || defined (USE_ALLOCA))
    speex_free_scratch(st->stack);
+#else
+    (void)state;
 #endif
 /*
    speex_free (st->excBuf);
@@ -1315,7 +1316,6 @@ int nb_decode(void *state, SpeexBits *bits, void *vout)
    {
       int offset;
       spx_word16_t *exc;
-      spx_word16_t *sp;
       spx_word16_t *innov_save = NULL;
       spx_word16_t tmp;
 
@@ -1323,8 +1323,7 @@ int nb_decode(void *state, SpeexBits *bits, void *vout)
       offset = st->subframeSize*sub;
       /* Excitation */
       exc=st->exc+offset;
-      /* Original signal */
-      sp=out+offset;
+
       if (st->innov_save)
          innov_save = st->innov_save+offset;
 
@@ -1517,13 +1516,11 @@ int nb_decode(void *state, SpeexBits *bits, void *vout)
    {
       int offset;
       spx_word16_t *sp;
-      spx_word16_t *exc;
+
       /* Offset relative to start of frame */
       offset = st->subframeSize*sub;
       /* Original signal */
       sp=out+offset;
-      /* Excitation */
-      exc=st->exc+offset;
 
       /* LSP interpolation (quantized and unquantized) */
       lsp_interpolate(st->old_qlsp, qlsp, interp_qlsp, st->lpcSize, sub, st->nbSubframes);