boku wrote: > Dear all, > I'm trying to output some of new added debug message. How can I do it > and where does the av_log() print to? av_log(avctx, AV_LOG_INFO, "Hey, is this thing on? %s\n", "You suck! Get off the stage!"); It prints to the stdout, unless (I think) your program intercepts the output. -- -Mike Melanson