Render="Please use -b:a or -b:v, -b is ambiguous"&I/O Error


I have tried, unsuccessfully, to render my first animation movie using a variety of settings. The closest I get to success is with .avi and .wmv with the target set to auto. At the start of each of these renders- “Please use -b:a or -b:v, -b is ambiguous” pops up. Upon completion- “pipe:: Input/output error”. Ideally I would like to be able to use a .mp4 container and H.264 codec, but I’ll settle for even a small step forward right now.

Running Synfig 0.64.1 on Windows 7

Thanks for your insight,

Looks like we have to fine tune again the ffmpeg parameters.