diff options
Diffstat (limited to 'chromium/third_party/ffmpeg/libavutil/rational.c')
| -rw-r--r-- | chromium/third_party/ffmpeg/libavutil/rational.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/chromium/third_party/ffmpeg/libavutil/rational.c b/chromium/third_party/ffmpeg/libavutil/rational.c index ec2f2e53866..55a8dd58972 100644 --- a/chromium/third_party/ffmpeg/libavutil/rational.c +++ b/chromium/third_party/ffmpeg/libavutil/rational.c @@ -171,6 +171,36 @@ int main(void) } } } + + for (a.num = 1; a.num <= 10; a.num++) { + for (a.den = 1; a.den <= 10; a.den++) { + if (av_gcd(a.num, a.den) > 1) + continue; + for (b.num = 1; b.num <= 10; b.num++) { + for (b.den = 1; b.den <= 10; b.den++) { + int start; + if (av_gcd(b.num, b.den) > 1) + continue; + if (av_cmp_q(b, a) < 0) + continue; + for (start = 0; start < 10 ; start++) { + int acc= start; + int i; + + for (i = 0; i<100; i++) { + int exact = start + av_rescale_q(i+1, b, a); + acc = av_add_stable(a, acc, b, 1); + if (FFABS(acc - exact) > 2) { + av_log(NULL, AV_LOG_ERROR, "%d/%d %d/%d, %d %d\n", a.num, + a.den, b.num, b.den, acc, exact); + return 1; + } + } + } + } + } + } + } return 0; } #endif |