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author | Derek Buitenhuis <derek.buitenhuis@gmail.com> | 2016-05-11 19:10:10 +0100 |
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committer | Derek Buitenhuis <derek.buitenhuis@gmail.com> | 2016-05-11 19:13:03 +0100 |
commit | 96d616052b3d39678e477fa10610ca688f46fff9 (patch) | |
tree | 8bd31d06318bc786ea8f1d84f92090c9c860bc11 /libavcodec/snowenc.c | |
parent | 27506aceda8115f82f89691a4441d62a8cf24a6e (diff) | |
parent | d12b5b2f135aade4099f4b26b0fe678656158c13 (diff) | |
download | ffmpeg-96d616052b3d39678e477fa10610ca688f46fff9.tar.gz |
Merge commit 'd12b5b2f135aade4099f4b26b0fe678656158c13'
* commit 'd12b5b2f135aade4099f4b26b0fe678656158c13':
build: Split test programs off into separate files
Some conversions done by: James Almer <jamrial@gmail.com>
Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
Diffstat (limited to 'libavcodec/snowenc.c')
-rw-r--r-- | libavcodec/snowenc.c | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/libavcodec/snowenc.c b/libavcodec/snowenc.c index b1d177d3b8..00aef572ae 100644 --- a/libavcodec/snowenc.c +++ b/libavcodec/snowenc.c @@ -1955,132 +1955,3 @@ AVCodec ff_snow_encoder = { .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP, }; - - -#ifdef TEST -#undef malloc -#undef free -#undef printf - -#include "libavutil/lfg.h" -#include "libavutil/mathematics.h" - -int main(void){ -#define width 256 -#define height 256 - int buffer[2][width*height]; - SnowContext s; - int i; - AVLFG prng; - s.spatial_decomposition_count=6; - s.spatial_decomposition_type=1; - - s.temp_dwt_buffer = av_mallocz_array(width, sizeof(DWTELEM)); - s.temp_idwt_buffer = av_mallocz_array(width, sizeof(IDWTELEM)); - - if (!s.temp_dwt_buffer || !s.temp_idwt_buffer) { - fprintf(stderr, "Failed to allocate memory\n"); - return 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], s.temp_dwt_buffer, width, height, width, s.spatial_decomposition_type, s.spatial_decomposition_count); - ff_spatial_idwt((IDWTELEM*)buffer[0], s.temp_idwt_buffer, 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], s.temp_dwt_buffer, width, height, width, s.spatial_decomposition_type, s.spatial_decomposition_count); - ff_spatial_idwt((IDWTELEM*)buffer[0], s.temp_idwt_buffer, 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((IDWTELEM*)buffer[0], s.temp_idwt_buffer, 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], s.temp_dwt_buffer, 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 */ |