[MPlayer-users] How to convert .VOB to .mpg (MPEG1)

James Courtier-Dutton james.dutton at gmail.com
Mon Aug 1 15:51:24 CEST 2005


I am trying to convert a .VOB file from MPEG2 to MPEG1.
I run into the following error messages (full output below)
[mpeg1video @ 009E24E8]MPEG1/2 does not support 2997/100 fps

Is there something I can add to the command line to fix this?


>mencoder -of mpeg  -mpegopts format=mpeg1:tsaf:muxrate=2000 -o d.mpg
-oac lavc -ovc lavc
-lavcopts acodec=mp2:abitrate=224:vcodec=mpeg1video:vbitrate=1152:keyint=15:mbd=
2:aspect=4/3 d.vob

MEncoder dev-CVS-050514-10:43 (C) 2000-2005 MPlayer Team
CPU: Intel  (Family: 6, Stepping: 6)
Detected cache-line size is 64 bytes
CPUflags: Type: 6 MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 0 SSE2: 0
Compiled with runtime CPU detection - WARNING - this is not optimal!
To get best performance, recompile MPlayer with --disable-runtime-cpudetection.
File not found: 'frameno.avi'
Failed to open frameno.avi
success: format: 0  data: 0x0 - 0x1dd3000
MPEG-PS file format detected.
VIDEO:  MPEG2  720x480  (aspect 2)  29.970 fps  6000.0 kbps (750.0 kbyte/s)
[V] filefmt:2  fourcc:0x10000002  size:720x480  fps:29.97  ftime:=0.0334
Opening audio decoder: [liba52] AC3 decoding with liba52
No accelerated IMDCT transform found
AC3: 5.1 (3f+2r+lfe)  48000 Hz  448.0 kbit/s
Using MMX optimized resampler
AUDIO: 48000 Hz, 2 ch, s16le, 448.0 kbit/29.17% (ratio: 56000->192000)
Selected audio codec: [a52] afm:liba52 (AC3-liba52)
PACKET SIZE: 2048 bytes
Opening video filter: [expand osd=1]
Expand: -1 x -1, -1 ; -1  (-1=autodetect) osd: 1
Opening video decoder: [mpegpes] MPEG 1/2 Video passthrough
VDec: vo config request - 720 x 480 (preferred csp: Mpeg PES)
Could not find matching colorspace - retrying with -vf scale...
Opening video filter: [scale]
The selected video_out device is incompatible with this codec.
VDecoder init failed :(
Opening video decoder: [libmpeg2] MPEG 1/2 Video decoder libmpeg2-v0.4.0b
Selected video codec: [mpeg12] vfm:libmpeg2 (MPEG-1 or 2 (libmpeg2))
Building audio filter chain for 48000Hz/2ch/s16le -> 48000Hz/2ch/s16le...
Writing AVI header...
Limiting audio preload to 0.4s
Increasing audio density to 4
AUDIO FRAME SIZE: 672, CODEC: 50, DELTA_PTS: 2211840 (-0.000)
VDec: vo config request - 720 x 480 (preferred csp: Planar YV12)
VDec: using Planar YV12 as output csp (no 0)
Movie-Aspect is 1.33:1 - prescaling to correct movie aspect.
videocodec: libavcodec (720x480 fourcc=3167706d [mpg1])
High quality encoding selected (non real time)!
[mpeg1video @ 009E24E8]MPEG1/2 does not support 2997/100 fps
Could not open codec.
FATAL: Cannot initialize video driver.

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