Hello, I am using ffmpeg (20050612 snapshot) on my 2.6.8.1 K6-2 Linux box. When running ffmpeg on a vob file (from a DVD) like this: ffmpeg -i in.vob -f avi -hq -sameq -aspect 4:3 -vcodec mpeg2video -ac 2 -acodec mp2 -target dvd -y out.avi (the file is 283MB - much too large for me to upload or email) about 5 minutes into the conversion I get warnings like: [dvd @ 0x400778a8]buffer underflow [mpeg2video @ 0x40337750]rc buffer underflow bitrate=5984.4kbits/s I understand in general what a buffer underflow is, but not specifically as to what buffer within ffmpeg (and what sizes, fills and empties it). 1. What conversion buffer is underflowing? - can someone explain a little about the nature of this in ffmpeg? 2. What command line options can I use to prevent it? 3. Is the output noticeably affected by underflows? Thanks in advance, Mike Shell