avcodec/cinepak: move some checks prior to frame allocation
authorMichael Niedermayer <michael@niedermayer.cc>
Tue, 17 Apr 2018 00:13:42 +0000 (02:13 +0200)
committerMichael Niedermayer <michael@niedermayer.cc>
Sun, 17 Jun 2018 23:16:03 +0000 (01:16 +0200)
commit205e93fa0d2b66e6e84576542e17bfba36e309a9
tree430f5ca0a253e79a49fa208ae3760aa052350089
parent47c3d2459e953856d7089bbf3d5baa269080bcc0
avcodec/cinepak: move some checks prior to frame allocation

Speeds up decoding from 8 to 3 seconds for 6302/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CINEPAK_fuzzer-5626371985375232
Fixes: Timeout

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 2324ef1ff32e5effd6f295bca80580ae4816be0b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/cinepak.c