Remove snow/dwt test program

This test program so full of programming errors it is impossible
to make sense of it.
Signed-off-by: Mans Rullgard <mans@mansr.com>

libavcodec/Makefile

@@ -667,7 +667,7 @@ SKIPHEADERS-$(CONFIG_XVMC)             += xvmc.h
 
 EXAMPLES = api
 
-TESTPROGS = cabac dct fft fft-fixed h264 iirfilter rangecoder snow
+TESTPROGS = cabac dct fft fft-fixed h264 iirfilter rangecoder
 TESTPROGS-$(HAVE_MMX) += motion
 TESTOBJS = dctref.o
 

libavcodec/snow.c

@@ -3689,124 +3689,3 @@ AVCodec ff_snow_encoder = {
     .long_name = NULL_IF_CONFIG_SMALL("Snow"),
 };
 #endif
-
-
-#ifdef TEST
-#undef malloc
-#undef free
-#undef printf
-
-#include "libavutil/lfg.h"
-#include "libavutil/mathematics.h"
-
-int main(void){
-    int width=256;
-    int height=256;
-    int buffer[2][width*height];
-    SnowContext s;
-    int i;
-    AVLFG prng;
-    s.spatial_decomposition_count=6;
-    s.spatial_decomposition_type=1;
-
-    av_lfg_init(&prng, 1);
-
-    printf("testing 5/3 DWT\n");
-    for(i=0; i<width*height; i++)
-        buffer[0][i] = buffer[1][i] = av_lfg_get(&prng) % 54321 - 12345;
-
-    ff_spatial_dwt(buffer[0], width, height, width, s.spatial_decomposition_type, s.spatial_decomposition_count);
-    ff_spatial_idwt(buffer[0], width, height, width, s.spatial_decomposition_type, s.spatial_decomposition_count);
-
-    for(i=0; i<width*height; i++)
-        if(buffer[0][i]!= buffer[1][i]) printf("fsck: %6d %12d %7d\n",i, buffer[0][i], buffer[1][i]);
-
-    printf("testing 9/7 DWT\n");
-    s.spatial_decomposition_type=0;
-    for(i=0; i<width*height; i++)
-        buffer[0][i] = buffer[1][i] = av_lfg_get(&prng) % 54321 - 12345;
-
-    ff_spatial_dwt(buffer[0], width, height, width, s.spatial_decomposition_type, s.spatial_decomposition_count);
-    ff_spatial_idwt(buffer[0], width, height, width, s.spatial_decomposition_type, s.spatial_decomposition_count);
-
-    for(i=0; i<width*height; i++)
-        if(FFABS(buffer[0][i] - buffer[1][i])>20) printf("fsck: %6d %12d %7d\n",i, buffer[0][i], buffer[1][i]);
-
-    {
-    int level, orientation, x, y;
-    int64_t errors[8][4];
-    int64_t g=0;
-
-        memset(errors, 0, sizeof(errors));
-        s.spatial_decomposition_count=3;
-        s.spatial_decomposition_type=0;
-        for(level=0; level<s.spatial_decomposition_count; level++){
-            for(orientation=level ? 1 : 0; orientation<4; orientation++){
-                int w= width  >> (s.spatial_decomposition_count-level);
-                int h= height >> (s.spatial_decomposition_count-level);
-                int stride= width  << (s.spatial_decomposition_count-level);
-                DWTELEM *buf= buffer[0];
-                int64_t error=0;
-
-                if(orientation&1) buf+=w;
-                if(orientation>1) buf+=stride>>1;
-
-                memset(buffer[0], 0, sizeof(int)*width*height);
-                buf[w/2 + h/2*stride]= 256*256;
-                ff_spatial_idwt(buffer[0], width, height, width, s.spatial_decomposition_type, s.spatial_decomposition_count);
-                for(y=0; y<height; y++){
-                    for(x=0; x<width; x++){
-                        int64_t d= buffer[0][x + y*width];
-                        error += d*d;
-                        if(FFABS(width/2-x)<9 && FFABS(height/2-y)<9 && level==2) printf("%8"PRId64" ", d);
-                    }
-                    if(FFABS(height/2-y)<9 && level==2) printf("\n");
-                }
-                error= (int)(sqrt(error)+0.5);
-                errors[level][orientation]= error;
-                if(g) g=av_gcd(g, error);
-                else g= error;
-            }
-        }
-        printf("static int const visual_weight[][4]={\n");
-        for(level=0; level<s.spatial_decomposition_count; level++){
-            printf("  {");
-            for(orientation=0; orientation<4; orientation++){
-                printf("%8"PRId64",", errors[level][orientation]/g);
-            }
-            printf("},\n");
-        }
-        printf("};\n");
-        {
-            int level=2;
-            int w= width  >> (s.spatial_decomposition_count-level);
-            //int h= height >> (s.spatial_decomposition_count-level);
-            int stride= width  << (s.spatial_decomposition_count-level);
-            DWTELEM *buf= buffer[0];
-            int64_t error=0;
-
-            buf+=w;
-            buf+=stride>>1;
-
-            memset(buffer[0], 0, sizeof(int)*width*height);
-            for(y=0; y<height; y++){
-                for(x=0; x<width; x++){
-                    int tab[4]={0,2,3,1};
-                    buffer[0][x+width*y]= 256*256*tab[(x&1) + 2*(y&1)];
-                }
-            }
-            ff_spatial_dwt(buffer[0], width, height, width, s.spatial_decomposition_type, s.spatial_decomposition_count);
-            for(y=0; y<height; y++){
-                for(x=0; x<width; x++){
-                    int64_t d= buffer[0][x + y*width];
-                    error += d*d;
-                    if(FFABS(width/2-x)<9 && FFABS(height/2-y)<9) printf("%8"PRId64" ", d);
-                }
-                if(FFABS(height/2-y)<9) printf("\n");
-            }
-        }
-
-    }
-    return 0;
-}
-#endif /* TEST */