virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00
Code Issues Releases Activity

avcodec/tests/snowenc: unbreak DWT tests

Browse Source 
the IDWT data type mismatched current code

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2023-03-23 19:07:47 +01:00
parent 5ffe18bcea
commit 8b3351bbea
No known key found for this signature in database
GPG Key ID: B18E8928B3948D64
1 changed files with 14 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
libavcodec/tests/snowenc.c
View File

@ -31,6 +31,7 @@ int main(void){
#define width 256
#define height 256
int buffer[2][width*height];
short obuffer[width*height];
SnowContext s;
int i;
AVLFG prng;
@ -49,24 +50,28 @@ int main(void){
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;
buffer[0][i] = buffer[1][i] = av_lfg_get(&prng) % 19000 - 9000;
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++)
obuffer[i] = buffer[0][i];
ff_spatial_idwt(obuffer, 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]);
if(buffer[1][i]!= obuffer[i]) printf("fsck: %4dx%4dx %12d %7d\n",i%width, i/width, buffer[1][i], obuffer[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;
buffer[0][i] = buffer[1][i] = av_lfg_get(&prng) % 11000 - 5000;
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++)
obuffer[i] = buffer[0][i];
ff_spatial_idwt(obuffer, 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]);
if(FFABS(buffer[1][i] - obuffer[i])>20) printf("fsck: %4dx%4d %12d %7d\n",i%width, i/width, buffer[1][i], obuffer[i]);
{
int level, orientation, x, y;
@ -87,12 +92,12 @@ int main(void){
if(orientation&1) buf+=w;
if(orientation>1) buf+=stride>>1;
memset(buffer[0], 0, sizeof(int)*width*height);
memset(obuffer, 0, sizeof(short)*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);
ff_spatial_idwt(obuffer, 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];
int64_t d= obuffer[x + y*width];
error += d*d;
if(FFABS(width/2-x)<9 && FFABS(height/2-y)<9 && level==2) printf("%8"PRId64" ", d);
}