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authorMans Rullgard <mans@mansr.com>2011-07-17 20:43:15 +0100
committerMans Rullgard <mans@mansr.com>2011-07-20 14:54:24 +0100
commit89cc8a316d252d37a14906da9c170afbc7488326 (patch)
tree27ba6de39febee73d0115518a896df2e332426a9
parent1b4a17094ebdc605a9414d4d98653a1bfb0ea0a4 (diff)
downloadffmpeg-89cc8a316d252d37a14906da9c170afbc7488326.tar.gz
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>
-rw-r--r--libavcodec/Makefile2
-rw-r--r--libavcodec/snow.c121
2 files changed, 1 insertions, 122 deletions
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 26800b3851..f23ade2734 100644
--- a/libavcodec/Makefile
+++ b/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
diff --git a/libavcodec/snow.c b/libavcodec/snow.c
index e1f6c57352..3162e5cf98 100644
--- a/libavcodec/snow.c
+++ b/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 */