diff options
author | Michael Niedermayer <michaelni@gmx.at> | 2005-02-01 23:32:47 +0300 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2005-02-01 23:32:47 +0300 |
commit | ba96e97fdd2ba52d3e699b83ac5e831fed8b4fd5 (patch) | |
tree | 60c43e9176a7bfb3dee7fa13e55012dac695ef0e /tests/tiny_psnr.c | |
parent | c342499df20213e2aa880ad86c11267eff9f783a (diff) |
support comparing files with some posiion offset relative to each other
Originally committed as revision 3921 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'tests/tiny_psnr.c')
-rw-r--r-- | tests/tiny_psnr.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/tests/tiny_psnr.c b/tests/tiny_psnr.c index 2f35670979..05f3d4f267 100644 --- a/tests/tiny_psnr.c +++ b/tests/tiny_psnr.c @@ -18,6 +18,7 @@ */ #include <stdio.h> +#include <stdlib.h> #include <inttypes.h> #include <assert.h> @@ -102,16 +103,18 @@ int main(int argc,char* argv[]){ FILE *f[2]; uint8_t buf[2][SIZE]; uint64_t psnr; - int len= argc<4 ? 1 : 2; + int len= argc<4 ? 1 : atoi(argv[3]); int64_t max= (1<<(8*len))-1; + int shift= argc<5 ? 0 : atoi(argv[4]); if(argc<3){ - printf("tiny_psnr <file1> <file2>\n"); + printf("tiny_psnr <file1> <file2> [<elem size> [<shift>]]\n"); return -1; } f[0]= fopen(argv[1], "rb"); f[1]= fopen(argv[2], "rb"); + fseek(f[shift<0], shift < 0 ? -shift : shift, SEEK_SET); for(i=0;;){ if( fread(buf[0], SIZE, 1, f[0]) != 1) break; |