From: Andriy Gelman <andriy.gel...@gmail.com> Fixes: $ ffmpeg -min_port 32000 -max_port 32001 -i rtsp://wowzaec2demo.streamlock.net/vod/mp4:BigBuckBunny_115k.mov -f null - [1] 303871 floating point exception (core dumped)
Signed-off-by: Andriy Gelman <andriy.gel...@gmail.com> --- libavformat/rtsp.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/libavformat/rtsp.c b/libavformat/rtsp.c index 9f509a229f..0185baca8e 100644 --- a/libavformat/rtsp.c +++ b/libavformat/rtsp.c @@ -1438,7 +1438,7 @@ int ff_rtsp_make_setup_request(AVFormatContext *s, const char *host, int port, int lower_transport, const char *real_challenge) { RTSPState *rt = s->priv_data; - int rtx = 0, j, i, err, interleave = 0, port_off; + int rtx = 0, j, i, err, interleave = 0, port_off = 0; RTSPStream *rtsp_st; RTSPMessageHeader reply1, *reply = &reply1; char cmd[MAX_URL_SIZE]; @@ -1457,9 +1457,11 @@ int ff_rtsp_make_setup_request(AVFormatContext *s, const char *host, int port, /* Choose a random starting offset within the first half of the * port range, to allow for a number of ports to try even if the offset * happens to be at the end of the random range. */ + if (rt->rtp_port_max - rt->rtp_port_min >= 4) { port_off = av_get_random_seed() % ((rt->rtp_port_max - rt->rtp_port_min)/2); /* even random offset */ port_off -= port_off & 0x01; + } for (j = rt->rtp_port_min + port_off, i = 0; i < rt->nb_rtsp_streams; ++i) { char transport[MAX_URL_SIZE]; -- 2.32.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".