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| author | Nicolas George <george@nsup.org> | 2017-10-30 10:04:55 +0100 |
|---|---|---|
| committer | Nicolas George <george@nsup.org> | 2017-10-31 09:17:28 +0100 |
| commit | a8305b0ea3ccfe00a50cd3312bfcc455c78aacb5 (patch) | |
| tree | a0ac4743c67463e365cc37af050b49d53ba906cd /libavfilter/vsrc_testsrc.c | |
| parent | 86c446ec61ca0f7254488f142ef4d811d8d28151 (diff) | |
| download | ffmpeg-a8305b0ea3ccfe00a50cd3312bfcc455c78aacb5.tar.gz | |
lavfi/testsrc2: fix hang with very small sizes.
Move a subtraction to the other side of the equal to avoid overflows.
Diffstat (limited to 'libavfilter/vsrc_testsrc.c')
| -rw-r--r-- | libavfilter/vsrc_testsrc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavfilter/vsrc_testsrc.c b/libavfilter/vsrc_testsrc.c index fe0d50aa41..a790974d14 100644 --- a/libavfilter/vsrc_testsrc.c +++ b/libavfilter/vsrc_testsrc.c @@ -857,8 +857,8 @@ static void test2_fill_picture(AVFilterContext *ctx, AVFrame *frame) uint8_t alpha[256]; r = s->pts; - for (y = ymin; y < ymax - 15; y += 16) { - for (x = xmin; x < xmax - 15; x += 16) { + for (y = ymin; y + 15 < ymax; y += 16) { + for (x = xmin; x + 15 < xmax; x += 16) { if ((x ^ y) & 16) continue; for (i = 0; i < 256; i++) { |