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Old 05-06-2005, 03:01 PM   #1
Registered: Nov 2004
Location: Jersey, British Isles
Distribution: Gentoo
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Mencoder Cannont initalize video driver

I'm trying to encode a video as xvid, but am getting this problem

bash-2.05b$ mencoder Movie.avi -ovc xvid -oac mp3lame -o Moviexvid.avi
MEncoder 1.0pre6-3.4.3-20050110 (C) 2000-2004 MPlayer Team
CPU: Intel Pentium 4/Xeon/Celeron Foster (Family: 8, Stepping: 9)
Detected cache-line size is 64 bytes
CPUflags: Type: 8 MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1
Compiled for x86 CPU with extensions: MMX MMX2 SSE SSE2

77 audio & 189 video codecs
File not found: 'frameno.avi'
Failed to open frameno.avi
success: format: 0  data: 0x0 - 0x313c448
AVI file format detected.
VIDEO:  [I420]  240x180  12bpp  49.855 fps  7145.5 kbps (872.3 kbyte/s)
[V] filefmt:3  fourcc:0x30323449  size:240x180  fps:49.86  ftime:=0.0201
Opening audio decoder: [pcm] Uncompressed PCM audio decoder
AUDIO: 11025 Hz, 1 ch, 8 bit (0x8), ratio: 11025->11025 (88.2 kbit)
Selected audio codec: [pcm] afm:pcm (Uncompressed PCM)
xvid: using library version 1.0.2 (build xvid-1.0.2)
Opening video filter: [expand osd=1]
Expand: -1 x -1, -1 ; -1  (-1=autodetect) osd: 1
Opening video decoder: [raw] RAW Uncompressed Video
VDec: vo config request - 240 x 180 (preferred csp: Planar I420)
VDec: using Planar I420 as output csp (no 0)
Movie-Aspect is undefined - no prescaling applied.
videocodec: XviD (240x180 fourcc=44495658 [XVID])
xvid: par=0/0 (vga11), displayed=240x180, sampled=240x180
xvid: you must specify one or a valid combination of 'bitrate', 'pass', 'quantiz
er' settings
FATAL: Cannot initialize video driver.
VDecoder init failed :(
Cannot find codec matching selected -vo and video format 0x30323449.
Read DOCS/HTML/en/codecs.html!

I got this on Gmplayer at the start, but switching from the default video driver to gl seemed to fix it, but I cannot find how to do this with mencoder.

Any ideas?
Old 05-06-2005, 05:00 PM   #2
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The error message says:

xvid: you must specify one or a valid combination of 'bitrate', 'pass', 'quantizer' settings

The command you entered doesn't. Try addition option:

-xvidencopts bitrate=1600

or whatever bitrate you want the output to be.
Old 05-06-2005, 05:07 PM   #3
Registered: Nov 2004
Location: Jersey, British Isles
Distribution: Gentoo
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Ah yes, I didn't read it too well.

Worked perfectly, thanks.


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