2019-03-08 17:38 GMT+01:00, Michael Niedermayer <mich...@niedermayer.cc>: > Fixes: Timeout (34sec -> 12sec)
Am I correct that this is the speedup for an invalid input file? Is there a measurable effect on valid files? > Fixes: > 13398/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FFV1_fuzzer-5664106709778432 > > Found-by: continuous fuzzing process > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > --- > libavcodec/ffv1dec_template.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/libavcodec/ffv1dec_template.c b/libavcodec/ffv1dec_template.c > index 25032feda0..1b7f6c4bf5 100644 > --- a/libavcodec/ffv1dec_template.c > +++ b/libavcodec/ffv1dec_template.c > @@ -86,6 +86,11 @@ static av_always_inline int > RENAME(decode_line)(FFV1Context *s, int w, > run_mode = 2; > } > } > + while (run_count > 1 && w-x > 1) { > + sample[1][x] = RENAME(predict)(sample[1] + x, sample[0] > + x); > + x++; > + run_count--; > + } Carl Eugen _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
