Log in

View Full Version : FlaskMpeg / Xmpeg Q&A


Doom9
14th February 2002, 14:45
Q: Where's the Flask / Xmpeg FAQ?

A: http://www.doom9.org/flask-faq.htm

Q: Where can I find more DivX related FAQs?

A: http://www.doom9.org/faqs.htm

Q: What is the difference between FlaskMpeg and Xmpeg?

A: Xmpeg is based on FlaskMpeg 0.6 but enhances it in some ways: new resizing filters, auto cropping, input and output DAR selection, multipass capabilities, DivX4 2 pass support and a new interface. Only Xmpeg 4.3 will support deinterlace again and that version is not out yet.

Q: I get a "this program has created an error and has to be closed" error. What to do?

A: Use GKnot instead. Flask/Xmpeg is known to be very problematic.

Q: Should I use AVI output or OpenDML output?

A: OpenDML output allows you to write AVIs larger than 2GB but there appears to be a problem with the audio player. Normalizing and DRC settings are not applies if you use OpenDML output so your audio will be awfully quiet. So I suggest to use AVI output.

Q: Which resize filter to use?

A: The bicubic filter gives the sharpest image, the default one (Bressenham) is a good compromise between beeing too crisp (= a lot of blocks visible) and beeing too smooth (image appears all "washed out").

Q: Can I use VBR MP3 in Flask/Xmpeg?

A: No. You have to extract the audio to a separate WAV file and encode that to a VBR MP3, then mux audio and video in Nandub. GKnot is a much better solution if you want VBR audio.

Q: Can I use SmartRipper, vStrip or cladDVD to rip the DVD when using Flask/Xmpeg?

A: Sure, however you will have to load the VOB files instead of the IFO and you cannot get subtitles.

Q: Flask/Xmpeg crashes somewhere in the encoding process. What to do?

A: Make sure your VOB files are okay by playing them in a software player like WinDVD or PowerDVD. If they're okay switch to GKnot.

Q: Why do you mention GKnot that often?

A: Because it's lightyears better than Flask/Xmpeg but only slightly more complicated to use.

Q: Where do I get more info about GKnot?

A: The official homepage is http://gknot.doom9.org/

mnd
20th April 2002, 20:02
Here are some comments for some of these Q&A

Q: I get a "this program has created an error and has to be closed" error. What to do?

A: Use GKnot instead. Flask/Xmpeg is known to be very problematic.

=> Since its 4.2a realease Xmpeg is very reliable. The mainly cause of crash are the xx.idct.Xmpeg modules that are not accurate for your CPU. For instance amd2.idct.Xmpeg is suitable for an athlon not for a K6-2 and you must suppress it if your CPU is K6-2.


Q: Can I use SmartRipper, vStrip or cladDVD to rip the DVD when using Flask/Xmpeg?

A: Sure, however you will have to load the VOB files instead of the IFO and you cannot get subtitles.

=> Smartripper has an option for copying the ifo file. or you simply may copy it with explorer. After that choosing a subtitle with Xmpeg is a child's play.

Q: Why do you mention GKnot that often?

A: Because it's lightyears better than Flask/Xmpeg but only slightly more complicated to use.

=> Knot is very usefull for avi length file calculations according to bitrate and output image size and/or for creating VBR mp3 audio but not suitable for slow cpus. Xmpeg is an all-in-one solution easy to use with very good result