Move some variable declarations below the proper #ifdefs.

This avoids warnings about set-but-unused variables.

ffplay.c

@@ -1313,9 +1313,10 @@ static void alloc_picture(void *opaque)
 static int queue_picture(VideoState *is, AVFrame *src_frame, double pts, int64_t pos)
 {
     VideoPicture *vp;
-    int dst_pix_fmt;
 #if CONFIG_AVFILTER
     AVPicture pict_src;
+#else
+    int dst_pix_fmt = PIX_FMT_YUV420P;
 #endif
     /* wait until we have space to put a new picture */
     SDL_LockMutex(is->pictq_mutex);
@@ -1376,7 +1377,6 @@ static int queue_picture(VideoState *is, AVFrame *src_frame, double pts, int64_t
         /* get a pointer on the bitmap */
         SDL_LockYUVOverlay (vp->bmp);
 
-        dst_pix_fmt = PIX_FMT_YUV420P;
         memset(&pict,0,sizeof(AVPicture));
         pict.data[0] = vp->bmp->pixels[0];
         pict.data[1] = vp->bmp->pixels[2];

libavcodec/fft-test.c

@@ -252,8 +252,9 @@ int main(int argc, char **argv)
 #if CONFIG_FFT_FLOAT
     RDFTContext r1, *r = &r1;
     DCTContext d1, *d = &d1;
+    int fft_size_2;
 #endif
-    int fft_nbits, fft_size, fft_size_2;
+    int fft_nbits, fft_size;
     double scale = 1.0;
     AVLFG prng;
     av_lfg_init(&prng, 1);
@@ -292,7 +293,6 @@ int main(int argc, char **argv)
     }
 
     fft_size = 1 << fft_nbits;
-    fft_size_2 = fft_size >> 1;
     tab = av_malloc(fft_size * sizeof(FFTComplex));
     tab1 = av_malloc(fft_size * sizeof(FFTComplex));
     tab_ref = av_malloc(fft_size * sizeof(FFTComplex));
@@ -372,6 +372,7 @@ int main(int argc, char **argv)
         break;
 #if CONFIG_FFT_FLOAT
     case TRANSFORM_RDFT:
+        fft_size_2 = fft_size >> 1;
         if (do_inverse) {
             tab1[         0].im = 0;
             tab1[fft_size_2].im = 0;