ffmpeg -r 20 -i rtmp://wowza.[host].com/live/mp4:10018820.mp4 -s 320x240 -r 20 -b:v 0 -strict -2 -q:v 1 -f mpeg1video out.mp4


Input #0, flv, from 'rtmp://wowza.[host].com/live/mp4:10018820.mp4':
  Duration: N/A, start: 0.000000, bitrate: N/A
    Stream #0:0: Video: h264 (Baseline), yuv420p(tv), 800x600 [SAR 1:1 DAR 4:3], 30.33 fps, 30 tbr, 1k tbn, 60 tbc
    Stream #0:1: Data: none
    Stream #0:2: Audio: nellymoser, 44100 Hz, mono, flt
File 'out.mp4' already exists. Overwrite ? [y/N] y
Output #0, mpeg1video, to 'out.mp4':
  Metadata:
    encoder         : Lavf55.48.100
    Stream #0:0: Video: mpeg1video, yuv420p, 320x240 [SAR 1:1 DAR 4:3], q=2-31, 23.98 fps, 23.98 tbn, 23.98 tbc
    Metadata:
      encoder         : Lavc55.69.100 mpeg1video