Hi all, i use the following command to create an avi video file from png image sequence: mencoder mf://images/temp/*.png -ovc lavc -mf type=png:fps=25 -o output.avi But this command doesn't work at all. I get the following output, what can be the problem? MEncoder Sherpya-SVN-r31170-4.2.5 (C) 2000-2010 MPlayer Team 150 audio & 343 video codecs success: format: 16 data: 0x0 - 0x0 MF file format detected. [mf] search expr: images/deneme/*.png [mf] number of files: 1051 (4204) VIDEO: [MPNG] 0x0 24bpp 25.000 fps 0.0 kbps ( 0.0 kbyte/s) [V] filefmt:16 fourcc:0x474E504D size:0x0 fps:25.000 ftime:=0.0400 Opening video filter: [expand osd=1] Expand: -1 x -1, -1 ; -1, osd: 1, aspect: 0.000000, round: 1 ========================================================================== Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family Selected video codec: [ffpng] vfm: ffmpeg (FFmpeg PNG) ========================================================================== Flushing video frames. Filters have not been configured! Empty file? Writing index... Writing header... ODML: Aspect information not (yet?) available or unspecified, not writing vprp header. Video stream: nan kbit/s (-2147483648 B/s) size: 0 bytes 0.000 secs 0 frames