Here's a somewhat backwards question: Is it possible to mencode an avi file 
that is playable through lavplay and an MJPEG card?

The mencoder is MEncoder 1.0pre7try2-3.4.4, lavplay is (haven't gotten around 
to update yet) lavplay1.6.1.90 and the MJPEG cards are AverMedia 6 Eyes and 
Miro DC10+.

Lavplay will "play" the file on the 6 Eyes, but with severely messed up syncs 
and no recognizable picture. Given the state of that driver, I'm not all that 
surprised.

Lavplay will play the file on the DC10+, but with severely messed up picture. 
About 25% of all DCT blocks seem to work, but out of order. 25% of them are 
more or less solid green or magenta, and 50% are mini versions of green, noisy 
blocks. It's quite funky, actually, though not very useful.

The material I re-encoded was a DVD which I scaled to 352x288. The lavinfo 
output does not differ in any significant way from the output when examining a 
file captured by lavrec at decimation 2.

Mencoder command line:
mencoder -vf scale,expand=0:-90:0:0 -zoom -xy 352 -aid 128 dvd://1 -chapter 2-2 
-o /video/title2.avi -oac copy -ovc lavc -lavcopts vcodec=mjpeg:vbitrate=500

Mencoder file lavinfo:
video_frames=2059
video_width=352
video_height=288
video_inter=0
video_norm=PAL
video_fps=25.000000
video_sar_width=0
video_sar_height=0
max_frame_size=14862
MJPG_chroma=2
has_audio=1
audio_bps=4
audio_chans=2
audio_bits=16
audio_rate=48000
num_video_files=1

Lavrec file lavinfo:
video_frames=250
video_width=352
video_height=288
video_inter=0
video_norm=PAL
video_fps=25.000000
video_sar_width=0
video_sar_height=0
max_frame_size=26116
MJPG_chroma=2
has_audio=1
audio_bps=2
audio_chans=1
audio_bits=16
audio_rate=44100
num_video_files=1

Being able to do this would be useful, as I kind of like the frame exact way 
you can control lavplay when making clip lists. Unfortunately, the software 
player mode simply refuse to work on this machine.

/Sam


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