From 24057c83207d6ea8bfd824155ac37be8a33dfd0c Mon Sep 17 00:00:00 2001 From: Anton Khirnov Date: Thu, 12 Dec 2013 07:31:26 +0100 Subject: [PATCH] eacmv: check the framerate before setting it. Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC:libav-stable@libav.org --- libavcodec/eacmv.c | 7 ++++--- 1 file 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]);