Conversion to PSP movie results in choppy video

[LtCarter47]

Hi,

I'm trying to convert a Red vs. Blue .mov for use on my PSP, but the results I'm getting are frustrating. I'm starting out with the following:
Video: svq3, yuv420p, 720x480, 2997.00 fps
Audio: aac, 44100 Hz, stereo
this is roughly an 80MB file. The problem I'm seeing is choppy video in the final converted file.

Is this normal for the PSP preset?

What settings can I adjust to fix this?

In case anyone wants to see what I started out with and what I got, here are the files:

Source file:
http://homepage.mac.com/ltcarter47/..../Episode39.mov
Converted file (choppy):
http://homepage.mac.com/ltcarter47/....s/M4V01606.MP4

Any suggestions are appreciated!

Thanks,
Sean

[warmace]

What settings are you using for the encode. In my experience the ffmpeg xvid encoder used for PSP will not handle svq3(Sorenson Video).

[major]

Consider encoding your mov/svq file first to "DivX mencoder" and then encode back the resulting AVI into PSP.

[warmace]

I was wrong earlier that the xvid encoder does not accept Sorenson video. It seems that your file and other Sorensen movies I have all list the audio stream first and then the video stream. When looking in the ffmpegx info, what I thought was a codec mismatch for Sorenson was actually ffmpeg trying to convert the audio stream to video:

Input #0, mov,mp4,m4a,3gp,3g2, from '/Volumes/Movies/REdBlue/Episode39.mov':
Duration: 00:08:22.0, start: 0.000000, bitrate: 1355 kb/s
Stream #0.0: Audio: aac, 44100 Hz, stereo
Stream #0.1: Video: svq3, yuv420p, 720x480, 2997.00 fps
Codec type mismatch for mapping #0.0 -> #0.0

I'm not sure why I had this problem and you didn't.

After switching the streams with QTPro, I was able to get the file to encode properly. I noticed in your output file that the bitrate was listed at about 150. Even setting ffpmeg to a zero bitrate, I was unable to get the bitrate that low. Maybe this explains your choppy file.

Let me know if you need any more help.

[LtCarter47]

Actually I did have that problem initially, but a quick email response from Major fixed it:

Try "invert mapping" in the audio tab

Hi,

I'm having the same issue encoding to PSP settings as the users in this thread:
http://www.videohelp.com/forum/viewtopic.php?t=278140

Here is the process output I am getting:

Encoding started on Tue Aug 30 19:56:29 PDT 2005
Seems that stream 1 comes from film source: 2997.00 (2997/1) -> 30.00 (30/1)
Input #0, mov,mp4,m4a,3gp,3g2, from '/Volumes/Sphere 993/RoosterTeeth/RoosterTeeth's RvsB/Season 3/Episodes/Episode 39 - Best Laid Plans.mov':
* Duration: 00:08:22.0, start: 0.000000, bitrate: 1355 kb/s
* Stream #0.0: Audio: aac, 44100 Hz, stereo
* Stream #0.1: Video: svq3, yuv420p, 720x480, 2997.00 fps
Codec type mismatch for mapping #0.0 -> #0.0

[LtCarter47]

Consider encoding your mov/svq file first to "DivX mencoder" and then encode back the resulting AVI into PSP.

I just gave that a shot, and I ended up losing the audio when I encoded to DivX mencoder.

I think I'll try a couple more formats.... Maybe DV?

[LtCarter47]

Hmmm.....OK, I used ffmpegX DV, but the resulting dv file was choppy, I'll use QT Pro first to go to DV and then use ffmpegX to go to PSP.

[LtCarter47]

Well that was cool, that time I only got audio after the DV to PSP encode. I'll try a few more things later today.

[LtCarter47]

Right now I'm using QT Pro to convert the source file to Mpeg4. Maybe that will help since that's what it will end up being, only smaller. At the rate that status bar is filling, it could be a while. Poor Mac Mini....

[LtCarter47]

SUCCESS!!!!!!!!!

After over two hours of QT Pro exporting the source to MPEG4, I used ffmpegX to convert to the PSP preset (which was WAY faster), and walla! Perfectly smooth beautiful video playing on my PSP!

Thanks for everyone's help, and an awesome program! I'm on my way to donate!

-Sean