From bbd4d9230407d70a9c93af4ac00f2e6d894358be Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 29 Jan 2017 03:22:50 +0100 Subject: doc/examples/decoder_targeted: Disable error concealment after 20 frames This allows testing EC and non EC. Avoids spending most time in EC on high res samples and reduces the likelyhood of hitting timeouts Fixes: Timeout in 467/fuzz-2-ffmpeg_VIDEO_AV_CODEC_ID_H263_fuzzer Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer --- doc/examples/decoder_targeted.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/doc/examples/decoder_targeted.c b/doc/examples/decoder_targeted.c index e7e02b027e..030eba6227 100644 --- a/doc/examples/decoder_targeted.c +++ b/doc/examples/decoder_targeted.c @@ -180,6 +180,10 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { while (avpkt.size > 0 && it++ < maxiteration) { av_frame_unref(frame); int ret = decode_handler(ctx, frame, &got_frame, &avpkt); + + if (it > 20) + ctx->error_concealment = 0; + if (ret <= 0 || ret > avpkt.size) break; avpkt.data += ret; -- cgit v1.2.3