"Too many frame drops!"

[Ghitulescu]

I have a commercial DVD that I've ripped to individual streams: audios, video, subtitles.
I tried to remux it back with: MuxMan 0.16.6, IfoEdit 0.971, Rejig 05f, DVD Maestro 2.9. ImagoMPEG-muxer was not used as it cannot mux the subtitles. TMPGenc TDA was not used as in its pre2.0 version it doesn't allow subtitles, whereas in post1.6 ones it reencodes the video.

IfoEdit and Muxman give me [probably] the same error, which is detailed in the attached image. The test in the image was done without any audio, just the video and the subtitles, hoping that this would reduce the total bitrate. Rejig remuxed all of them perfectly ok.

Maestro can mux the whole things (ok, the original subtitles have not been there as I still have timing problems when converting them to .SON, just the new ones) perfectly ok. So did Rejig.

Since the video came from a commercial DVD I wouldn't expect a buffer overflow (the elementary streams are checked before, also the finished DVD), the only conclusion being that there's a bug in the muxing engine of Ifoedit/muxman.

Had anyone a similar problem?

-=-=-=-=-=-

The video was shrinked with DVD Shrink, no errors have been found (due to eg unnoticed or perverse copy protection).

[bigotti5]

Can you post the muxman log (C:\muxman.log)?
Incorrect subpicture timing information can cause muxman to mux all subs at the same time.

[Ghitulescu]

It's not on this computer, I'll look for it.

[pascalwil]

Hi there,

I've encountered this problem a couple times.

I've managed to fix it by reducing the video bitrate using FFMpeg.

Couldn't explain why it worked but it did work with a reduced bitrate for the M2V video file.

Would be interested in the view point of video experts on this!

Cheers

[setarip_old]

@Ghitulescu

Your comment regarding older versions of TMPGEnc DVD Author is not quite accurate. The following methodology (author's name disappeared a long time ago) has been floating for perhaps 7 years: TMPGEnc DVD Author - Subtitles

Could you tell 2 cool from me that tmpeg dvd author allows you to keep your subs.

The way i do it is import the title sets created with ifoedit into dvd author.

Create the disc - tmpeg has a feature/bug whereby it saves all the streams so the vobs are the same size

Rename and copy the original vobs and ifos from the titlesets ONLY (not video_ts.vob/ifo/bup).

Add a post command to resume/call menu for each set. Add a precommand to turn subs off, past original colours into each ifo.

when all saved(2 mins work) open up the first ifo and do a get vts sectors update thingy.

That's it - done. Multi film/multi audio/multi subs. Minimal work.

[Ghitulescu]

Incorrect subpicture timing information can cause muxman to mux all subs at the same time.

Forgot about this one :(

Indeed, for some reason the subtitle timing was the problem (several subtitles never ended ;)).