- av_log(ctx, AV_LOG_WARNING, "VBV buffer size not set, muxing may fail\n");
+ av_log(ctx, AV_LOG_WARNING, "VBV buffer size not set, using default size of 130KB\n"
+ "If you want the mpeg file to be compliant to some specification\n"
+ "Like DVD, VCD or others, make sure you set the correct buffer size\n");