[FFmpeg-user] Unable to change time base / tbn

landsberger at free.fr landsberger at free.fr
Mon Dec 29 22:56:44 CET 2014


Dear Carl,

Please find the command line and console output below.
No codec change in this example, I'm only looking for a command that could set the time base (tbn) to 1/25.

Thanks a lot!

Benjamin


----------


ffmpeg -i '/input.mov' -r 25 -vf settb=1/25 -vcodec dvvideo -acodec pcm_s16le   '/output.mov' > '/ffmpeg.txt'


ffmpeg version 2.4.2 Copyright (c) 2000-2014 the FFmpeg developers
  built on Oct  8 2014 19:37:09 with llvm-gcc 4.2.1 (LLVM build 2336.11.00)
  configuration: --prefix=/Volumes/Ramdisk/sw --enable-gpl --enable-pthreads --enable-version3 --enable-libspeex --enable-libvpx --disable-decoder=libvpx --enable-libmp3lame --enable-libtheora --enable-libvorbis --enable-libx264 --enable-avfilter --enable-libopencore_amrwb --enable-libopencore_amrnb --enable-filters --enable-libgsm --enable-libvidstab --enable-libx265 --arch=x86_64 --enable-runtime-cpudetect
  libavutil      54.  7.100 / 54.  7.100
  libavcodec     56.  1.100 / 56.  1.100
  libavformat    56.  4.101 / 56.  4.101
  libavdevice    56.  0.100 / 56.  0.100
  libavfilter     5.  1.100 /  5.  1.100
  libswscale      3.  0.100 /  3.  0.100
  libswresample   1.  1.100 /  1.  1.100
  libpostproc    53.  0.100 / 53.  0.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/input.mov':
  Metadata:
    major_brand     : qt  
    minor_version   : 512
    compatible_brands: qt  
    title           : DVS Argentina Glacier (Raw)
    encoder         : Lavf56.4.101
    comment         : CANAL 9/CANAL 13 ARTEAR
    copyright       : Copyright 2012 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.
    timecode        : 09:59:51:24
  Duration: 00:00:56.24, start: 0.000000, bitrate: 30343 kb/s
    Stream #0:0(eng): Audio: pcm_s16le (sowt / 0x74776F73), 48000 Hz, stereo, s16, 1536 kb/s (default)
    Metadata:
      handler_name    : Gestionnaire d?alias Apple
    Stream #0:1(eng): Data: none (tmcd / 0x64636D74)
    Metadata:
      handler_name    : Gestionnaire d?alias Apple
      timecode        : 09:59:51:24
    Stream #0:2(eng): Video: dvvideo (dvcp / 0x70637664), yuv420p, 720x576 [SAR 16:15 DAR 4:3], 28800 kb/s, SAR 12:11 DAR 15:11, 25 fps, 25 tbr, 12800 tbn, 25 tbc (default)
    Metadata:
      creation_time   : 2014-12-28 19:33:26
      handler_name    : Gestionnaire d?alias Apple
      encoder         : Lavc56.1.100 dvvideo
      timecode        : 09:59:51:24
Output #0, mov, to '/output.mov':
  Metadata:
    major_brand     : qt  
    minor_version   : 512
    compatible_brands: qt  
    title           : DVS Argentina Glacier (Raw)
    timecode        : 09:59:51:24
    comment         : CANAL 9/CANAL 13 ARTEAR
    copyright       : Copyright 2012 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.
    encoder         : Lavf56.4.101
    Stream #0:0(eng): Video: dvvideo (dvcp / 0x70637664), yuv420p, 720x576 [SAR 12:11 DAR 15:11], q=2-31, 200 kb/s, 25 fps, 12800 tbn, 25 tbc (default)
    Metadata:
      creation_time   : 2014-12-28 19:33:26
      handler_name    : Gestionnaire d?alias Apple
      timecode        : 09:59:51:24
      encoder         : Lavc56.1.100 dvvideo
    Stream #0:1(eng): Audio: pcm_s16le (sowt / 0x74776F73), 48000 Hz, stereo, s16, 1536 kb/s (default)
    Metadata:
      handler_name    : Gestionnaire d?alias Apple
      encoder         : Lavc56.1.100 pcm_s16le
Stream mapping:
  Stream #0:2 -> #0:0 (dvvideo (native) -> dvvideo (native))
  Stream #0:0 -> #0:1 (pcm_s16le (native) -> pcm_s16le (native))
Press [q] to stop, [?] for help
frame=   86 fps=0.0 q=0.0 size=   12734kB time=00:00:03.44 bitrate=30324.2kbits/frame=  166 fps=150 q=0.0 size=   24584kB time=00:00:06.65 bitrate=30257.0kbits/frame=  239 fps=148 q=0.0 size=   35397kB time=00:00:09.56 bitrate=30332.2kbits/frame=  303 fps=143 q=0.0 size=   44877kB time=00:00:12.12 bitrate=30333.0kbits/frame=  373 fps=143 q=0.0 size=   55245kB time=00:00:14.92 bitrate=30333.0kbits/frame=  443 fps=138 q=0.0 size=   65613kB time=00:00:17.72 bitrate=30319.3kbits/frame=  517 fps=140 q=0.0 size=   76575kB time=00:00:20.68 bitrate=30333.8kbits/frame=  592 fps=141 q=0.0 size=   87686kB time=00:00:23.68 bitrate=30334.6kbits/frame=  665 fps=138 q=0.0 size=   98355kB time=00:00:26.60 bitrate=30290.4kbits/frame=  741 fps=139 q=0.0 size=  109755kB time=00:00:29.64 bitrate=30334.5kbits/frame=  824 fps=141 q=0.0 size=  122051kB time=00:00:32.96 bitrate=30335.0kbits/frame=  885 fps=138 q=0.0 size=  131085kB time=00:00:35.41 bitrate=30323.3kbits/frame=  965 fps=139 q=0.0 size=  142935kB time=00:00:38.60 bitrate=30334.8kbits/frame= 1042 fps=140 q=0.0 size=  154339kB time=00:00:41.68 bitrate=30334.6kbits/frame= 1107 fps=138 q=0.0 size=  163968kB time=00:00:44.28 bitrate=30329.3kbits/frame= 1178 fps=138 q=0.0 size=  174484kB time=00:00:47.12 bitrate=30334.8kbits/frame= 1251 fps=139 q=0.0 size=  185298kB time=00:00:50.04 bitrate=30334.9kbits/frame= 1327 fps=139 q=0.0 size=  196557kB time=00:00:53.08 bitrate=30335.3kbits/frame= 1387 fps=138 q=0.0 size=  205443kB time=00:00:55.48 bitrate=30335.0kbits/frame= 1406 fps=139 q=0.0 Lsize=  208296kB time=00:00:56.32 bitrate=30297.6kbits/s    
video:197719kB audio:10560kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.008268%



----------

ffprobe -i '/output.mov' -show_streams


ffprobe version 2.4.2 Copyright (c) 2007-2014 the FFmpeg developers
  built on Oct  8 2014 19:37:09 with llvm-gcc 4.2.1 (LLVM build 2336.11.00)
  configuration: --prefix=/Volumes/Ramdisk/sw --enable-gpl --enable-pthreads --enable-version3 --enable-libspeex --enable-libvpx --disable-decoder=libvpx --enable-libmp3lame --enable-libtheora --enable-libvorbis --enable-libx264 --enable-avfilter --enable-libopencore_amrwb --enable-libopencore_amrnb --enable-filters --enable-libgsm --enable-libvidstab --enable-libx265 --arch=x86_64 --enable-runtime-cpudetect
  libavutil      54.  7.100 / 54.  7.100
  libavcodec     56.  1.100 / 56.  1.100
  libavformat    56.  4.101 / 56.  4.101
  libavdevice    56.  0.100 / 56.  0.100
  libavfilter     5.  1.100 /  5.  1.100
  libswscale      3.  0.100 /  3.  0.100
  libswresample   1.  1.100 /  1.  1.100
  libpostproc    53.  0.100 / 53.  0.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/output.mov':
  Metadata:
    major_brand     : qt  
    minor_version   : 512
    compatible_brands: qt  
    title           : DVS Argentina Glacier (Raw)
    encoder         : Lavf56.4.101
    comment         : CANAL 9/CANAL 13 ARTEAR
    copyright       : Copyright 2012 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.
  Duration: 00:00:56.32, start: 0.000000, bitrate: 30297 kb/s
    Stream #0:0(eng): Video: dvvideo (dvcp / 0x70637664), yuv420p, 720x576 [SAR 16:15 DAR 4:3], 28800 kb/s, SAR 12:11 DAR 15:11, 25 fps, 25 tbr, 12800 tbn, 25 tbc (default)
    Metadata:
      handler_name    : DataHandler
      encoder         : Lavc56.1.100 dvvideo
      timecode        : 09:59:51:24
    Stream #0:1(eng): Audio: pcm_s16le (sowt / 0x74776F73), 48000 Hz, stereo, s16, 1536 kb/s (default)
    Metadata:
      handler_name    : DataHandler
    Stream #0:2(eng): Data: none (tmcd / 0x64636D74)
    Metadata:
      handler_name    : DataHandler
      timecode        : 09:59:51:24
Unsupported codec with id 0 for input stream 2
[STREAM]
index=0
codec_name=dvvideo
codec_long_name=DV (Digital Video)
profile=unknown
codec_type=video
codec_time_base=1/25
codec_tag_string=dvcp
codec_tag=0x70637664
width=720
height=576
has_b_frames=0
sample_aspect_ratio=12:11
display_aspect_ratio=15:11
pix_fmt=yuv420p
level=-99
color_range=N/A
color_space=unknown
timecode=N/A
id=N/A
r_frame_rate=25/1
avg_frame_rate=25/1
time_base=1/12800
start_pts=0
start_time=0.000000
duration_ts=719872
duration=56.240000
bit_rate=28800000
max_bit_rate=N/A
bits_per_raw_sample=N/A
nb_frames=1406
nb_read_frames=N/A
nb_read_packets=N/A
DISPOSITION:default=1
DISPOSITION:dub=0
DISPOSITION:original=0
DISPOSITION:comment=0
DISPOSITION:lyrics=0
DISPOSITION:karaoke=0
DISPOSITION:forced=0
DISPOSITION:hearing_impaired=0
DISPOSITION:visual_impaired=0
DISPOSITION:clean_effects=0
DISPOSITION:attached_pic=0
TAG:language=eng
TAG:handler_name=DataHandler
TAG:encoder=Lavc56.1.100 dvvideo
TAG:timecode=09:59:51:24
[/STREAM]
[STREAM]
index=1
codec_name=pcm_s16le
codec_long_name=PCM signed 16-bit little-endian
profile=unknown
codec_type=audio
codec_time_base=1/48000
codec_tag_string=sowt
codec_tag=0x74776f73
sample_fmt=s16
sample_rate=48000
channels=2
channel_layout=stereo
bits_per_sample=16
id=N/A
r_frame_rate=0/0
avg_frame_rate=0/0
time_base=1/48000
start_pts=0
start_time=0.000000
duration_ts=2703360
duration=56.320000
bit_rate=1536000
max_bit_rate=N/A
bits_per_raw_sample=N/A
nb_frames=2703360
nb_read_frames=N/A
nb_read_packets=N/A
DISPOSITION:default=1
DISPOSITION:dub=0
DISPOSITION:original=0
DISPOSITION:comment=0
DISPOSITION:lyrics=0
DISPOSITION:karaoke=0
DISPOSITION:forced=0
DISPOSITION:hearing_impaired=0
DISPOSITION:visual_impaired=0
DISPOSITION:clean_effects=0
DISPOSITION:attached_pic=0
TAG:language=eng
TAG:handler_name=DataHandler
[/STREAM]
[STREAM]
index=2
codec_name=unknown
codec_long_name=unknown
profile=unknown
codec_type=data
codec_time_base=1/25
codec_tag_string=tmcd
codec_tag=0x64636d74
id=N/A
r_frame_rate=0/0
avg_frame_rate=0/0
time_base=1/12800
start_pts=0
start_time=0.000000
duration_ts=719872
duration=56.240000
bit_rate=N/A
max_bit_rate=N/A
bits_per_raw_sample=N/A
nb_frames=1
nb_read_frames=N/A
nb_read_packets=N/A
DISPOSITION:default=0
DISPOSITION:dub=0
DISPOSITION:original=0
DISPOSITION:comment=0
DISPOSITION:lyrics=0
DISPOSITION:karaoke=0
DISPOSITION:forced=0
DISPOSITION:hearing_impaired=0
DISPOSITION:visual_impaired=0
DISPOSITION:clean_effects=0
DISPOSITION:attached_pic=0
TAG:language=eng
TAG:handler_name=DataHandler
TAG:timecode=09:59:51:24
[/STREAM]



----- Mail original -----
De: "Carl Eugen Hoyos" <cehoyos at ag.or.at>
À: ffmpeg-user at ffmpeg.org
Envoyé: Lundi 29 Décembre 2014 00:41:58
Objet: Re: [FFmpeg-user] Unable to change time base / tbn

 <landsberger <at> free.fr> writes:

> I am looking for a way to modify the time base 
> (tbn value) with FFMPEG.

When asking for help on this mailing list, always 
provide the command line including the complete, 
uncut console output.

Carl Eugen

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