mp=telecine filter broken

[Carl Eugen Hoyos]

The mp=telecine filter is broken since a05a44e
out.avi is not telecined.

$ make fate-vsynth2-dv-50
TEST    vsynth2-dv-50
$ ffmpeg -i tests/data/fate/vsynth2-dv-50.dv -vf 'scale=360:288,mp=telecine,setpts=N/(30*TB)' -qscale 2 -r 30 -t 2 out.avi
ffmpeg version N-51647-g1177416 Copyright (c) 2000-2013 the FFmpeg developers
  built on Apr  6 2013 18:24:24 with gcc 4.7 (SUSE Linux)
  configuration: --enable-gpl --disable-indev=jack
  libavutil      52. 25.100 / 52. 25.100
  libavcodec     55.  2.100 / 55.  2.100
  libavformat    55.  1.100 / 55.  1.100
  libavdevice    55.  0.100 / 55.  0.100
  libavfilter     3. 49.100 /  3. 49.100
  libswscale      2.  2.100 /  2.  2.100
  libswresample   0. 17.102 /  0. 17.102
  libpostproc    52.  2.100 / 52.  2.100
[dv @ 0x33ebf60] Estimating duration from bitrate, this may be inaccurate
Input #0, dv, from 'tests/data/fate/vsynth2-dv-50.dv':
  Metadata:
    timecode        : 00:00:00:00
  Duration: 00:00:02.00, start: 0.000000, bitrate: 57600 kb/s
    Stream #0:0: Video: dvvideo, yuv422p, 720x576 [SAR 16:15 DAR 4:3], 57600 kb/s, 25 tbr, 25 tbn, 25 tbc
Please use -q:a or -q:v, -qscale is ambiguous
[Parsed_mp_1 @ 0x33f2c00] 'telecine' is a wrapped MPlayer filter (libmpcodecs). This filter may be removed
once it has been ported to a native libavfilter.
Output #0, avi, to 'out.avi':
  Metadata:
    ISMP            : 00:00:00:00
    ISFT            : Lavf55.1.100
    Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 360x288 [SAR 16:15 DAR 4:3], q=2-31, 200 kb/s, 30 tbn, 30 tbc
Stream mapping:
  Stream #0:0 -> #0:0 (dvvideo -> mpeg4)
Press [q] to stop, [?] for help
frame=   60 fps=0.0 q=2.0 Lsize=     709kB time=00:00:02.00 bitrate=2902.2kbits/s
video:701kB audio:0kB subtitle:0 global headers:0kB muxing overhead 1.009485%

[Elon Musk]

mp=telecine replaced with native filter.