diff options
| author | Anton Khirnov <anton@khirnov.net> | 2013-12-12 07:31:26 +0100 |
|---|---|---|
| committer | Anton Khirnov <anton@khirnov.net> | 2014-01-03 16:39:09 +0100 |
| commit | 24057c83207d6ea8bfd824155ac37be8a33dfd0c (patch) | |
| tree | d029ac64d5811a5e0e01b8b3195696ef0cf35338 /libavcodec/eacmv.c | |
| parent | 5569146d48f06564e8fa393424782cceed510916 (diff) | |
eacmv: check the framerate before setting it.
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC:libav-stable@libav.org
Diffstat (limited to 'libavcodec/eacmv.c')
| -rw-r--r-- | libavcodec/eacmv.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/libavcodec/eacmv.c b/libavcodec/eacmv.c index d39ebd36b9..1a4e16e15e 100644 --- a/libavcodec/eacmv.c +++ b/libavcodec/eacmv.c @@ -131,7 +131,7 @@ static void cmv_decode_inter(CmvContext *s, AVFrame *frame, const uint8_t *buf, static int cmv_process_header(CmvContext *s, const uint8_t *buf, const uint8_t *buf_end) { - int pal_start, pal_count, i, ret; + int pal_start, pal_count, i, ret, fps; if(buf_end - buf < 16) { av_log(s->avctx, AV_LOG_WARNING, "truncated header\n"); @@ -145,8 +145,9 @@ static int cmv_process_header(CmvContext *s, const uint8_t *buf, const uint8_t * if (ret < 0) return ret; - s->avctx->time_base.num = 1; - s->avctx->time_base.den = AV_RL16(&buf[10]); + fps = AV_RL16(&buf[10]); + if (fps > 0) + s->avctx->time_base = (AVRational){ 1, fps }; pal_start = AV_RL16(&buf[12]); pal_count = AV_RL16(&buf[14]); |