Fix visual studio warnings for signed/unsigned comparison and unused variable

Author: NWilson

libspeexdsp/jitter.c

@@ -442,7 +442,7 @@ EXPORT void jitter_buffer_put(JitterBuffer *jitter, const JitterBufferPacket *pa
          jitter->packets[i].data = packet->data;
       } else {
          jitter->packets[i].data=(char*)speex_alloc(packet->len);
-         for (j=0;j<packet->len;j++)
+         for (j=0;j<(int)packet->len;j++)
             jitter->packets[i].data[j]=packet->data[j];
       }
       jitter->packets[i].timestamp=packet->timestamp;
@@ -689,7 +689,7 @@ EXPORT int jitter_buffer_get_another(JitterBuffer *jitter, JitterBufferPacket *p
       {
          packet->data = jitter->packets[i].data;
       } else {
-         for (j=0;j<packet->len;j++)
+         for (j=0;j<(int)packet->len;j++)
             packet->data[j] = jitter->packets[i].data[j];
          /* Remove packet */
          speex_free(jitter->packets[i].data);

libspeexdsp/resample.c

@@ -670,10 +670,10 @@ static int update_filter(SpeexResamplerState *st)
       spx_uint32_t i;
       for (i=0;i<st->den_rate;i++)
       {
-         spx_int32_t j;
-         for (j=0;j<st->filt_len;j++)
+         spx_int32_t j, filt_len = (spx_int32_t)st->filt_len;
+         for (j=0;j<filt_len;j++)
          {
-            st->sinc_table[i*st->filt_len+j] = sinc(st->cutoff,((j-(spx_int32_t)st->filt_len/2+1)-((float)i)/st->den_rate), st->filt_len, quality_map[st->quality].window_func);
+            st->sinc_table[i*st->filt_len+j] = sinc(st->cutoff,((j-filt_len/2+1)-((float)i)/st->den_rate), st->filt_len, quality_map[st->quality].window_func);
          }
       }
 #ifdef FIXED_POINT
@@ -927,7 +927,7 @@ EXPORT int speex_resampler_process_int(SpeexResamplerState *st, spx_uint32_t cha
 EXPORT int speex_resampler_process_float(SpeexResamplerState *st, spx_uint32_t channel_index, const float *in, spx_uint32_t *in_len, float *out, spx_uint32_t *out_len)
 #endif
 {
-   int j;
+   spx_uint32_t j;
    spx_uint32_t ilen = *in_len;
    spx_uint32_t olen = *out_len;
    spx_word16_t *x = st->mem + channel_index * st->mem_alloc_size;
@@ -968,7 +968,7 @@ EXPORT int speex_resampler_process_float(SpeexResamplerState *st, spx_uint32_t c
 EXPORT int speex_resampler_process_int(SpeexResamplerState *st, spx_uint32_t channel_index, const spx_int16_t *in, spx_uint32_t *in_len, spx_int16_t *out, spx_uint32_t *out_len)
 #endif
 {
-   int j;
+   spx_uint32_t j;
    const int istride_save = st->in_stride;
    const int ostride_save = st->out_stride;
    spx_uint32_t ilen = *in_len;

libspeexdsp/resample_sse.h

@@ -42,7 +42,7 @@ static inline float inner_product_single(const float *a, const float *b, unsigne
    int i;
    float ret;
    __m128 sum = _mm_setzero_ps();
-   for (i=0;i<len;i+=8)
+   for (i=0;i<(int)len;i+=8)
    {
       sum = _mm_add_ps(sum, _mm_mul_ps(_mm_loadu_ps(a+i), _mm_loadu_ps(b+i)));
       sum = _mm_add_ps(sum, _mm_mul_ps(_mm_loadu_ps(a+i+4), _mm_loadu_ps(b+i+4)));
@@ -59,7 +59,7 @@ static inline float interpolate_product_single(const float *a, const float *b, u
   float ret;
   __m128 sum = _mm_setzero_ps();
   __m128 f = _mm_loadu_ps(frac);
-  for(i=0;i<len;i+=2)
+  for(i=0;i<(int)len;i+=2)
   {
     sum = _mm_add_ps(sum, _mm_mul_ps(_mm_load1_ps(a+i), _mm_loadu_ps(b+i*oversample)));
     sum = _mm_add_ps(sum, _mm_mul_ps(_mm_load1_ps(a+i+1), _mm_loadu_ps(b+(i+1)*oversample)));
@@ -81,7 +81,7 @@ static inline double inner_product_double(const float *a, const float *b, unsign
    double ret;
    __m128d sum = _mm_setzero_pd();
    __m128 t;
-   for (i=0;i<len;i+=8)
+   for (i=0;i<(int)len;i+=8)
    {
       t = _mm_mul_ps(_mm_loadu_ps(a+i), _mm_loadu_ps(b+i));
       sum = _mm_add_pd(sum, _mm_cvtps_pd(t));
@@ -107,7 +107,7 @@ static inline double interpolate_product_double(const float *a, const float *b,
   __m128d f1 = _mm_cvtps_pd(f);
   __m128d f2 = _mm_cvtps_pd(_mm_movehl_ps(f,f));
   __m128 t;
-  for(i=0;i<len;i+=2)
+  for(i=0;i<(int)len;i+=2)
   {
     t = _mm_mul_ps(_mm_load1_ps(a+i), _mm_loadu_ps(b+i*oversample));
     sum1 = _mm_add_pd(sum1, _mm_cvtps_pd(t));

libspeexdsp/testjitter.c

@@ -39,7 +39,7 @@ void jitterFill(JitterBuffer *jb) {
      if (jitter_buffer_get(jb, &out, 10, NULL) != JITTER_BUFFER_OK) {
        printf("Fill test failed iteration %d\n", i);
      }
-     if (out.timestamp != i * 10) {
+     if (out.timestamp != (unsigned int)i * 10) {
        printf("Fill test expected %d got %d\n", i*10, out.timestamp);
      }
      jitter_buffer_tick(jb);