ffmpeg doesn't stop when online stream stopped
here is what happened when i started and stopped a few movies online (Win XP sp3):

2012-11-20 20:35:15,421 DEBUG [org.serviio.external.FFMPEGWrapper] Invoking FFmpeg to transcode video file: mmst://178.238.90.108/vod_arc8c/8056032 ... F372FFD7E7
2012-11-20 20:35:15,421 DEBUG [org.serviio.external.ProcessExecutor] Starting C:\apps\Serviio\lib/ffmpeg.exe -i mmst://178.238.90.108/vod_arc8c/8056032 ... F372FFD7E7 -y -threads 2 -copyts -c:v mpeg2video -sameq -vf pad=1024:576:152:0:black,setdar=4:3 -r 25 -g 15 -c:a ac3 -b:a 384k -ac 1 -map 0:1 -map 0:0 -sn -f vob C:\DOCUME~1\mike\LOCALS~1\Temp\Serviio\transcoding-temp-1000000001080001-sony2009-ORIGINAL.stf
2012-11-20 20:43:37,531 WARN [org.serviio.external.ProcessExecutor] Process cmd has a return code of 1! This is a possible error.
2012-11-20 20:43:43,281 WARN [org.serviio.external.ProcessExecutor] Process cmd has a return code of 1! This is a possible error.
2012-11-20 20:43:49,578 WARN [org.serviio.external.ProcessExecutor] Process cmd has a return code of 1! This is a possible error.
2012-11-20 20:43:53,453 WARN [org.serviio.external.ProcessExecutor] Process cmd has a return code of 1! This is a possible error.
2012-11-20 20:43:57,390 WARN [org.serviio.external.ProcessExecutor] Process cmd has a return code of 1! This is a possible error.