[FFmpeg-cvslog] avcodec/tests/jpeg2000dwt: Use 64bit in comparission

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Sun May 19 22:07:32 2024 +0200| [12391b732f811fc6e868be2f08dc188e508d2567] | committer: Michael Niedermayer

avcodec/tests/jpeg2000dwt: Use 64bit in comparission

Found while reviewing: CID1500309 Unintentional integer overflow

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=12391b732f811fc6e868be2f08dc188e508d2567
---

 libavcodec/tests/jpeg2000dwt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/tests/jpeg2000dwt.c b/libavcodec/tests/jpeg2000dwt.c
index 6148f0dacf..520ecc05a3 100644
--- a/libavcodec/tests/jpeg2000dwt.c
+++ b/libavcodec/tests/jpeg2000dwt.c
@@ -52,7 +52,7 @@ static int test_dwt(int *array, int *ref, int border[2][2], int decomp_levels, i
         return 1;
     }
     for (j = 0; j<MAX_W * MAX_W; j++) {
-        if (FFABS(array[j] - ref[j]) > max_diff) {
+        if (FFABS(array[j] - (int64_t)ref[j]) > max_diff) {
             fprintf(stderr, "missmatch at %d (%d != %d) decomp:%d border %d %d %d %d\n",
                     j, array[j], ref[j],decomp_levels, border[0][0], border[0][1], border[1][0], border[1][1]);
             return 2;