/usr/local/bin/ffmpeg -i 5328472e13d6a.mp4 -vf drawtext="enable='between(t,12,3*60)':fontsize=25:fontfile=/usr/share/fonts/dejavu/DejaVuSans.ttf:text='Test Text':y=h-line_h-60:x=w-tw-(50*t)"  532703a885122_test.mp4

ffmpeg version 0.10.7 Copyright (c) 2000-2013 the FFmpeg developers
  built on May  7 2015 12:02:57 with gcc 4.4.7 20120313 (Red Hat 4.4.7-11)
  configuration: --enable-gpl --enable-nonfree --enable-postproc --enable-avfilter --enable-pthreads --enable-libxvid --enable-libx264 --enable-libmp3lame --enable-libfaac --disable-ffplay --enable-shared --enable-libfreetype --arch=x86_64
  libavutil      51. 35.100 / 51. 35.100
  libavcodec     53. 61.100 / 53. 61.100
  libavformat    53. 32.100 / 53. 32.100
  libavdevice    53.  4.100 / 53.  4.100
  libavfilter     2. 61.100 /  2. 61.100
  libswscale      2.  1.100 /  2.  1.100
  libswresample   0.  6.100 /  0.  6.100
  libpostproc    52.  0.100 / 52.  0.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '5328472e13d6a.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    creation_time   : 2014-03-18 12:10:00
    encoder         : Lavf53.32.100
  Duration: 00:01:18.12, start: 0.000000, bitrate: 2484 kb/s
    Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 720x480 [SAR 131:144 DAR 131:96], 2418 kb/s, SAR 10:11 DAR 15:11, 25 fps, 25 tbr, 25 tbn, 50 tbc
    Metadata:
      creation_time   : 2014-03-18 12:10:00
      handler_name    : VideoHandler
    Stream #0:1(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, s16, 63 kb/s
    Metadata:
      creation_time   : 2014-03-18 12:10:00
      handler_name    :
File '532703a885122_test.mp4' already exists. Overwrite ? [y/N] y
w:720 h:480 pixfmt:yuv420p tb:1/1000000 sar:10/11 sws_param:
[drawtext @ 0xfa9580] Key 'enable' not found.
[drawtext @ 0xfa9460] Error parsing options string: 'enable=between(t,12,3*60):fontsize=25:fontfile=/usr/share/fonts/dejavu/DejaVuSans.ttf:text=Test Text:y=h-line_h-60:x=w-tw-(50*t)'
Error initializing filter 'drawtext' with args 'enable=between(t,12,3*60):fontsize=25:fontfile=/usr/share/fonts/dejavu/DejaVuSans.ttf:text=Test Text:y=h-line_h-60:x=w-tw-(50*t)'
Error opening filters!