From f2eb474a5a3d0ff1f1c5fbdfb8e9a1abe5661bce Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 29 Sep 2013 17:02:57 +0200 Subject: [PATCH] avformat/mpegenc: check, warn and clip muxrate to syntactical possible values Signed-off-by: Michael Niedermayer --- libavformat/mpegenc.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/libavformat/mpegenc.c b/libavformat/mpegenc.c index 6e94f9dab4..0a9d69b344 100644 --- a/libavformat/mpegenc.c +++ b/libavformat/mpegenc.c @@ -428,6 +428,10 @@ static av_cold int mpeg_mux_init(AVFormatContext *ctx) bitrate += bitrate / 20; bitrate += 10000; s->mux_rate = (bitrate + (8 * 50) - 1) / (8 * 50); + if (s->mux_rate >= (1<<22)) { + av_log(ctx, AV_LOG_WARNING, "mux rate %d is too large\n", s->mux_rate); + s->mux_rate = (1<<22) - 1; + } } if (s->is_vcd) {