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| author | Thomas Lee <ThomasLee969@users.noreply.github.com> | 2016-01-29 18:11:06 +0800 |
|---|---|---|
| committer | Luca Barbato <lu_zero@gentoo.org> | 2016-02-09 20:03:34 +0100 |
| commit | 7a00653be6b13131ce1b2cdeca696429f57caaf8 (patch) | |
| tree | 6a2bfbc750ef42beb541d27d10582121db43a0b9 /tests/tiny_psnr.c | |
| parent | 99214d42a902c8392d7887c08fdc5dc1fc2475ae (diff) | |
| download | ffmpeg-7a00653be6b13131ce1b2cdeca696429f57caaf8.tar.gz | |
tiny_psnr: Support large files
If an input file is bigger than 2GB (assume sizeof(int) == 4)),
size0/size1 will overflow, making stddev and PSNR invalid.
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
Diffstat (limited to 'tests/tiny_psnr.c')
| -rw-r--r-- | tests/tiny_psnr.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/tests/tiny_psnr.c b/tests/tiny_psnr.c index d06baf6c94..3fe1087cf6 100644 --- a/tests/tiny_psnr.c +++ b/tests/tiny_psnr.c @@ -117,7 +117,7 @@ static double get_f64l(uint8_t *p) int main(int argc, char *argv[]) { - int i, j; + uint64_t i, j; uint64_t sse = 0; double sse_d = 0.0; FILE *f[2]; @@ -126,8 +126,8 @@ int main(int argc, char *argv[]) int64_t max; int shift = argc < 5 ? 0 : atoi(argv[4]); int skip_bytes = argc < 6 ? 0 : atoi(argv[5]); - int size0 = 0; - int size1 = 0; + uint64_t size0 = 0; + uint64_t size1 = 0; uint64_t maxdist = 0; double maxdist_d = 0.0; @@ -251,7 +251,7 @@ int main(int argc, char *argv[]) else psnr = 1000 * F - 1; // floating point free infinity :) - printf("stddev:%5d.%02d PSNR:%3d.%02d MAXDIFF:%5"PRIu64" bytes:%9d/%9d\n", + printf("stddev:%5d.%02d PSNR:%3d.%02d MAXDIFF:%5"PRIu64" bytes:%9"PRIu64"/%9"PRIu64"\n", (int)(dev / F), (int)(dev % F), (int)(psnr / F), (int)(psnr % F), maxdist, size0, size1); @@ -271,7 +271,7 @@ int main(int argc, char *argv[]) maxdist = maxdist_d * scale; - printf("stddev:%10.2f PSNR:%s MAXDIFF:%10"PRIu64" bytes:%9d/%9d\n", + printf("stddev:%10.2f PSNR:%s MAXDIFF:%10"PRIu64" bytes:%9"PRIu64"/%9"PRIu64"\n", dev * scale, psnr_str, maxdist, size0, size1); break; } |