avformat/mpegenc: check, warn and clip muxrate to syntactical possible values

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-09-29 17:02:57 +02:00
parent 8c1253c934
commit f2eb474a5a

View File

@ -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) {