MVP Transcode

[Hunter Sun]

Howdy,..

I've been playing around with some of the transcode options for ffmpeg. Wondering if anyone else has tried this line. It's seemed to work remarkably better for me under NTSC.

<MVPFFmpegTranscodeCmdLineNTSC>-y -i "{SOURCE_FILE}" -b 2400 -ac 2 -s 352x240 -f vob -vcodec mpeg2video "{DEST_FILE}" </MVPFFmpegTranscodeCmdLineNTSC>

I've actually had some ability to rewind (skip reverse works better). Though it can still lose audio sync.


Sub,
I was wondering if you have any thoughts of adding the MVPFFMPeg Transcode as a setting to the MVP Specific settings section. In playing around I've noticed I can adjust the padding however, I have 3 different TVs and each one takes a bit different setting.

- Scott

[rscheller]

Not to rain on your parade but when I tried your transcode line, the resulting video was very blocky.

I've done some experimenting with ffmpeg lately too and here's a short and sweet one that works well for me.

<MVPFFmpegTranscodeCmdLineNTSC>-y -i "{SOURCE_FILE}" -target ntsc-vcd "{DEST_FILE}"</MVPFFmpegTranscodeCmdLineNTSC>

Edit... I shoulld have mentioned I'm not using the version of ffmpeg program supplied with GBPVR. If I can find where I got it, I'll attach a link later.

[rscheller]

For some reason under GBPVR, the above line won't properly transcode avi files on-the-fly to the MVP even though after I transcode the same avi files using the ffmpeg command line interface, the resulting mpg files play fine on my MVP.

So... due to the wishy-washyness and un-friendly interface of ffmpeg, I've gone back to using ffdshow. ffdshow has worked out-of-the-box in all cases, except for one wmv file, I've thrown at it from my MVP.

[HtV]

Are you using 98.13b or 98.13. I remember there was a problem with the directories where ffmpeg was placed (or expected to be) in 98.13. I think 98.13 wants ffmpeg.exe in devnz\gbpvr\third party instead of devnz\gbpvr\third party\ffmpeg for the newer version 98.13b.

[sub]

Are you using 98.13b or 98.13. I remember there was a problem with the directories where ffmpeg was placed (or expected to be) in 98.13. I think 98.13 wants ffmpeg.exe in devnz\gbpvr\third party instead of devnz\gbpvr\third party\ffmpeg for the newer version 98.13b.

From memory that was a bug in v0.98.8. v0.98.13 should be correctly looking in the devnz\gbpvr\third party\ffmpeg directory. You can tell by looking in gbpvr.exe.log, since it'll log the complete ffmpeg command line that it tries to run.

[rscheller]

Yes, my GBPVR is looking in the proper directory for ffmpeg and I spoke too soon about ffdshow...

It seems to transcode much better than ffmpeg but when 'Use ffdshow post processing if installed' is selected in config / playback, it causes my live TV feed on the PC to have a blank screen and no sound and it seems to mess with the stability of GBPVR when I've attempted to watch live TV. Not sure if it affects the MVP live TV stream.

Bottom line I uninstalled ffdshow and I'm again using ffmpeg even though it's transcoding to the MVP is less than perfect.

[zehd]

For some reason under GBPVR, the above line won't properly transcode avi files on-the-fly to the MVP even though after I transcode the same avi files using the ffmpeg command line interface, the resulting mpg files play fine on my MVP.

So... due to the wishy-washyness and un-friendly interface of ffmpeg, I've gone back to using ffdshow. ffdshow has worked out-of-the-box in all cases, except for one wmv file, I've thrown at it from my MVP.

Would you be able to write a walkthrough on using ffdshow and the MVP?

[zehd]

Yes, my GBPVR is looking in the proper directory for ffmpeg and I spoke too soon about ffdshow...

It seems to transcode much better than ffmpeg but when 'Use ffdshow post processing if installed' is selected in config / playback, it causes my live TV feed on the PC to have a blank screen and no sound and it seems to mess with the stability of GBPVR when I've attempted to watch live TV. Not sure if it affects the MVP live TV stream.

Bottom line I uninstalled ffdshow and I'm again using ffmpeg even though it's transcoding to the MVP is less than perfect.

I'd love a copy of the ffmpeg you are using... I wonder how well that version will intergrate into ZProcess

[rscheller]

I'm using version 7087 from http://ffdshow.faireal.net/mirror/ffmpeg/.

Sorry... I'm too much of a noob to GBPVR to write a walk-through on anything GBPVR related. :o

[rscheller]

The reason I stepped away from the version of ffmpeg included with GBPVR is discussed in the thread http://forums.gbpvr.com/showpost.php?p=1...ostcount=6.

When I switched to ffmpeg ver7087, all my dozen or so wmv's transcoded on the fly on the MPV properly (except for one) without errors. But I still had failures transcoding the avi's on my MVP created with my Canon camera even though ffmpeg command line execution generated mpg files that play fine on my MVP. However as I said, ffdshow transcoded the avi's and the wmv's on the fly to my MVP without error but as I previously wrote ffdshow causes a live TV / GBPVR stability problem on my PC.