[MPlayer-users] Making VCD / SVCD from rendered animation?
brettk at frodo.dyn.gno.org
Wed Apr 16 23:49:45 CEST 2003
> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> A problem has come up. I get the following when doing the video encoding step:
> [ 5:26PM] ..ics/spaceflight # cat frames.fifo|ppmtoy4m -F 30000:1001|mpeg2enc
> -f 4 -F 4 -a 2 -n n
> INFO: [ppmtoy4m] Command-line Parameters:
> INFO: [ppmtoy4m] framerate: 30000:1001
> INFO: [ppmtoy4m] pixel aspect ratio: 1:1
> INFO: [ppmtoy4m] interlace: none/progressive
> INFO: [ppmtoy4m] starting frame: 0
> INFO: [ppmtoy4m] # of frames: all, until input exhausted
> INFO: [ppmtoy4m] chroma subsampling: 4:2:0, JPEG/MPEG-1, interstitial
> **ERROR: [ppmtoy4m] Expecting maxval == 255, not 65535!
Hmm... according to the ppmtoy4m manpage, the input PPMs must contain 8
bits per channel. According to the error output, you have 16 bits per
channel... conversion error?
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