Problem converting wmv to avi

[yonidass]

I have some wmv files that I'm trying to convert to mpeg-4 avi. I've had success with some, while others have stopped at certain points in the movie (it's always the same point with the various settings I've tried). The log says it's skipping frames at that point and then stops.

I'll include the log data here. If anyone has any clues as to how to fix the file first, or what settings I should use in ffmpegx, I would really appreciate it.

Thanks

Encoding started on Sat Aug 12 12:32:26 CDT 2006
MEncoder dev-CVS-051126-18:35-3.3 (C) 2000-2005 MPlayer Team
Mac OSX static build for ffmpegX
AltiVec found
CPU: PowerPC
success: format: 0 data: 0x0 - 0x1e4051a2
ASF file format detected.
VIDEO: [WMV2] 720x480 24bpp 1000.000 fps 0.0 kbps ( 0.0 kbyte/s)
[V] filefmt:6 fourcc:0x32564D57 size:720x480 fps:1000.00 ftime:=0.0010
================================================== ========================
Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders
AUDIO: 44100 Hz, 2 ch, s16be, 64.0 kbit/4.54% (ratio: 8005->176400)
Selected audio codec: [ffwmav2] afm: ffmpeg (DivX audio v2 (FFmpeg))
================================================== ========================
Opening video filter: [expand osd=1]
Requested video codec family [wmv8] (vfm=dshow) not available.
Enable it at compilation.
Expand: -1 x -1, -1 ; -1, osd: 1, aspect: 0.000000, round: 1
Opening video filter: [scale w=640 h=480]
================================================== ========================
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
Requested video codec family [wmvdmo] (vfm=dmo) not available.
Enable it at compilation.
Selected video codec: [ffwmv2] vfm: ffmpeg (FFmpeg M$ WMV2/WMV8)
================================================== ========================
Forcing output fourcc to 58564944 [XVID]
Building audio filter chain for 44100Hz/2ch/s16be -> 48000Hz/0ch/s8...
Building audio filter chain for 44100Hz/2ch/s16be -> 48000Hz/2ch/s16be...
VDec: vo config request - 720 x 480 (preferred colorspace: Planar YV12)
VDec: using Planar YV12 as output csp (no 0)
Movie-Aspect is undefined - no prescaling applied.
SwScaler: BILINEAR scaler, from Planar YV12 to Planar YV12 using AltiVec
videocodec: libavcodec (640x480 fourcc=58564944 [XVID])
High quality encoding selected (non real time)!
Writing AVI header...
ODML: Aspect information not (yet?) available or unspecified, not writing vprp header.
ODML: Aspect information not (yet?) available or unspecified, not writing vprp header.
Skipping frame!
Skipping frame!
Skipping frame!
Skipping frame!

[tbluewater]

I wouldn't use ffmpegX to re-encode WMV videos. There's a VTC that explains how you can re-encode WMV videos and save them in AVI with PC freeware titles and Virtual PC here. When WMV files are in WMV3, chances that ffmpegX does the job are close to none. There are also a few Mac sharewhare titles that re-encode or transcode WMV vidoes.

[rumplestiltskin]

IIRC, iSquint might do it.

[yonidass]

Thanks for the links. I've had some luck using Flip4Mac to open in QuickTime and then export in mpeg-4. It's a bit cumbersome and not nearly as fast as ffmpegx, but so far it seems to work. By the way, I've had success converting quite a few WMVs to xvid with ffmpegx, using the configuration above, and they look great. Very fast conversion too. All the WMVs were created using the same settings with the same hardware but a few just seem to have glitches that make ffmpegx choke.

Thanks again.