[nmglug] convert mp4 to ogv

Jason Schaefer js at jasonschaefer.com
Thu Dec 19 12:25:56 PST 2013


Hi all
I'm trying to convert this mp4 video to a ogg theora video. I run 
ffmpeg2theora and its taking forever, it converted a quarter of the file 
out over a 4 hour period and seems to be stalling and or not working. 
The same goes for using ffmpeg directly. Anyone know how I can speed it up?

   $ ffprobe camera.mp4

avprobe version 0.8.9-6:0.8.9-1, Copyright (c) 2007-2013 the Libav 
developers
   built on Nov  3 2013 00:54:50 with gcc 4.7.2
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'camera.mp4':
   Metadata:
     major_brand     : isom
     minor_version   : 0
     compatible_brands: isom3gp4
     creation_time   : 2013-12-16 00:53:36
   Duration: 00:01:18.52, start: 0.000000, bitrate: 5377 kb/s
     Stream #0.0(eng): Video: h264 (Constrained Baseline), yuv420p, 
1280x720, 5302 kb/s, PAR 65536:65536 DAR 16:9, 19.88 fps, 90k tbr, 90k 
tbn, 180k tbc
     Metadata:
       creation_time   : 2013-12-16 00:53:36
     Stream #0.1(eng): Audio: aac, 48000 Hz, mono, s16, 96 kb/s
     Metadata:
       creation_time   : 2013-12-16 00:53:36




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