[FFmpeg-user] ntsc-dvd doesn't default to interlaced.

[Andy Civil]

On 2013-07-26 1:41 PM, Dave Rice wrote:

> Could you try:
> c:\ffmpeg\bin\ffmpeg -i E:\temp\2013-06-07-hdp.mp4 -target ntsc-dvd -vf "fieldorder=bff" -acodec mp2 -ac 2 -b:a 128000 output-dvd.mpg
> Dave Rice

It 'works', but the output is progressive (30p)

E:\Convert Sony (+vegas) to DVD>c:\ffmpeg\bin\ffmpeg -i E:\temp\2013-06-06-hdp.m
p4 -target ntsc-dvd -vf "fieldorder=bff" -acodec mp2 -ac 2 -b:a 128000 -frames:v
  1000 2013-06-06-i.mpg
ffmpeg version N-54822-g07704c6 Copyright (c) 2000-2013 the FFmpeg developers
   built on Jul 19 2013 18:01:39 with gcc 4.7.3 (GCC)
   configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
le-iconv --enable-libass --enable-libbluray --enable-libcaca --enable-libfreetyp
e --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --ena
ble-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-l
ibopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libsp
eex --enable-libtheora --enable-libtwolame --enable-libvo-aacenc --enable-libvo-
amrwbenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --
enable-libxvid --enable-zlib
   libavutil      52. 40.100 / 52. 40.100
   libavcodec     55. 18.102 / 55. 18.102
   libavformat    55. 12.102 / 55. 12.102
   libavdevice    55.  3.100 / 55.  3.100
   libavfilter     3. 81.101 /  3. 81.101
   libswscale      2.  4.100 /  2.  4.100
   libswresample   0. 17.102 /  0. 17.102
   libpostproc    52.  3.100 / 52.  3.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'E:\temp\2013-06-06-hdp.mp4':
   Metadata:
     major_brand     : mp42
     minor_version   : 18743402
     compatible_brands: mp42isom
     creation_time   : 2013-07-21 03:19:29
   Duration: 00:10:59.78, start: 0.000000, bitrate: 10074 kb/s
     Stream #0:0(eng): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 12
8 kb/s
     Metadata:
       creation_time   : 2013-07-21 03:19:29
       handler_name    : Sound Media Handler
     Stream #0:1(eng): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1920x1080
  [SAR 1:1 DAR 16:9], 9939 kb/s, 59.94 fps, 59.94 tbr, 60k tbn, 119.88 tbc
     Metadata:
       creation_time   : 2013-07-21 03:19:29
       handler_name    : Video Media Handler
File '2013-06-06-i.mpg' already exists. Overwrite ? [y/N] y
Output #0, dvd, to '2013-06-06-i.mpg':
   Metadata:
     major_brand     : mp42
     minor_version   : 18743402
     compatible_brands: mp42isom
     encoder         : Lavf55.12.102
     Stream #0:0(eng): Video: mpeg2video, yuv420p, 720x480 [SAR 32:27 DAR 16:9],
q=2-31, 6000 kb/s, 90k tbn, 29.97 tbc
     Metadata:
       creation_time   : 2013-07-21 03:19:29
       handler_name    : Video Media Handler
     Stream #0:1(eng): Audio: mp2, 48000 Hz, stereo, s16, 128 kb/s
     Metadata:
       creation_time   : 2013-07-21 03:19:29
       handler_name    : Sound Media Handler
Stream mapping:
   Stream #0:1 -> #0:0 (h264 -> mpeg2video)
   Stream #0:0 -> #0:1 (aac -> mp2)
Press [q] to stop, [?] for help
frame=   12 fps=0.0 q=2.0 size=     122kB time=00:00:00.33 bitrate=2995.3kbits/s
frame=   22 fps= 22 q=2.0 size=     544kB time=00:00:00.66 bitrate=6678.0kbits/s
frame=   31 fps= 20 q=2.0 size=     758kB time=00:00:00.99 bitrate=6222.1kbits/s
frame=   40 fps= 20 q=2.0 size=     796kB time=00:00:01.26 bitrate=5142.9kbits/s

--
Andy