FFmpegX: deinterlacing with mplayer decode?

[schmeg]

Major, et al. --

Does the mplayer decode option include a way to deinterlace video?

I have a very large VOB with subtitles, 29.97 fps, interlaced. I want to encode it at a lower bitrate to fit on a DVD, and I thought I'd try converting it to 23.976 fps and deinterlace it to squeeze a little extra bitrate power into the process.

Because of the subtitles, I'm using the mplayer decode option. Tried various combinations of choosing the Deinterlace and Denoise checkboxes along with the Not Interlaced/Frame/Field drop-down box, but it doesn't look like it's being deinterlaced (combing around the edges of shapes still exists).

All I can see in the code about deinterlacing is what follows:

INFO: [yuvdenoise] ========
INFO: [yuvdenoise] Y4M2 Motion-Compensating-YCrCb-Denoiser
INFO: [yuvdenoise] ========
INFO: [yuvdenoise] Version: MjpegTools 1.7.0
INFO: [yuvdenoise]
INFO: [yuvdenoise] Denoiser - Settings:
INFO: [yuvdenoise] --------------------
INFO: [yuvdenoise]
INFO: [yuvdenoise] Mode : Progressive frames
INFO: [yuvdenoise] Deinterlacer : Off
INFO: [yuvdenoise] Postprocessing : On
INFO: [yuvdenoise] Frame border : x: 0 y: 0 w:720 h:480
INFO: [yuvdenoise] Search radius : 8
INFO: [yuvdenoise] Filter delay : 3
INFO: [yuvdenoise] Filter threshold : 5
INFO: [yuvdenoise] Pass 2 threshold : 4
INFO: [yuvdenoise] Y - contrast : 100 %
INFO: [yuvdenoise] Cr/Cb - contrast : 100 %
INFO: [yuvdenoise] Sharpen : 125 %

Does mplayer (or mencvcdx, or whatever it uses) have a true deinterlace option, and how do I use it?

Thanks much.

[major]

Does the mplayer decode option include a way to deinterlace video?

Not still, though it's fairly easy to add. I'll do it in a further subrelease.

[schmeg]

Ooh! Great! (and thanks for the quick answer!) Maybe trying to go to 24 fps on this project isn't the best solution but it'd be interesting to try.

Are there other (hidden) quality settings that can be tweaked for best mpeg2/DVD output using the mplayer option? For example, when using the QT decode, I often edit the Terminal command string sent by FFMpegX, adding a few mpeg2enc settings that I'm partial to that aren't currently part of ffmpegx's GUI.

The mplayer option seems to create blockier video than the QT, under the same settings (even 9000 bitrate, qt2). I've searched, but haven't found any quality parameters for mencvcd (which I assume is what is encoding the video when going to mpeg2 for DVD).

Are there some other settings I can learn about?