tcprobe of transcode

DVDの字幕の問題は簡単にはいきそうにない。
ffmpegだけではだめそうなので、transcode というsuitを試してみる。
sudo port install transcode
でinstall
diskutil listでDVDを見つける
/dev/disk3がそうなら
tcprobe -i /dev/disk3
とすると

libdvdread: Using libdvdcss version 1.2.12 for DVD access
libdvdread: Using libdvdcss version 1.2.12 for DVD access
[dvd_reader.c] mpeg2 ntsc 16:9 only letterboxed U0 720x480 video
[dvd_reader.c] ac3 en drc 48kHz 6Ch
[dvd_reader.c] ac3 ja drc 48kHz 2Ch
[dvd_reader.c] DVD title 1/14: 28 chapter(s), 1 angle(s), title set 4
[dvd_reader.c] title playback time: 01:58:25.07 7106 sec
[tcprobe] DVD image/device
[tcprobe] summary for /dev/disk3, (*) = not default, 0 = not detected
import frame size: -g 720x480 [720x576] (*)
aspect ratio: 16:9 (*)
frame rate: -f 23.976 [25.000] frc=1 (*)
audio track: -a 0 [0] -e 48000,16,2 [48000,16,2] -n 0x2000 [0x2000]
audio track: -a 1 [0] -e 48000,16,2 [48000,16,2] -n 0x2000 [0x2000]
V: 170374 frames, 7106 sec @ 23.976 fps
A: 108.43 MB @ 128 kbps
USER CDSIZE: 650 MB | V: -108.4 MB @ -15999.9 kbps
USER CDSIZE: 700 MB | V: -108.4 MB @ -15999.9 kbps
USER CDSIZE: 1300 MB | V: -108.4 MB @ -15999.8 kbps
USER CDSIZE: 1400 MB | V: -108.4 MB @ -15999.8 kbps