[FFmpeg-user] Not able to extract the metadata

[Seema Singh]

Hi All,

I am new to ffmpeg , started off with very basics things .
Like check the Metadata of a video file.
But facing the below error . 

Command used :

fmpeg -i ../TestFiles/Mimic__H264_15fps_D1.MP4 -f ffmetadata metadata.txt


Command output:
___________________________________________________________________________
ffmpeg version 2.2.git Copyright (c) 2000-2014 the FFmpeg developers
  built on Mar  5 2014 12:38:54 with gcc 4.6 (Ubuntu/Linaro 4.6.3-1ubuntu5)
  configuration: --prefix=/home/seema.s/ffmpeg_build --extra-cflags=-I/home/seema.s/ffmpeg_build/include --extra-ldflags=-L/home/seema.s/ffmpeg_build/lib --bindir=/home/seema.s/bin --extra-libs=-ldl --enable-gpl --enable-libass --enable-libfdk-aac --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-nonfree --enable-x11grab
  libavutil      52. 66.101 / 52. 66.101
  libavcodec     55. 52.102 / 55. 52.102
  libavformat    55. 33.101 / 55. 33.101
  libavdevice    55. 11.100 / 55. 11.100
  libavfilter     4.  2.100 /  4.  2.100
  libswscale      2.  5.101 /  2.  5.101
  libswresample   0. 18.100 /  0. 18.100
  libpostproc    52.  3.100 / 52.  3.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '../TestFiles/Mimic__H264_15fps_D1.MP4':
  Metadata:
    major_brand     : mp42
    minor_version   : 1
    compatible_brands: isomiso2avc1mp41mp423gp5
    creation_time   : 2010-04-28 10:39:08
    title           : Mimic_mp4-92_amr-12.3gp.MP4.MP4
    artist          : created with SUPER(C).v2010.bld.37
    encoder         : eRightSoft
    comment         : 16:09:25
  Duration: 00:00:40.07, start: 0.000000, bitrate: 1249 kb/s
    Stream #0:0(und): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 720x480 [SAR 1:1 DAR 3:2], 1248 kb/s, 15 fps, 15 tbr, 15 tbn, 30 tbc (default)
    Metadata:
      creation_time   : 2010-04-28 10:39:08
      handler_name    : VideoHandler
    Stream #0:1(und): Data: none (mp4s / 0x7334706D), 0 kb/s (default)
    Metadata:
      creation_time   : 2010-04-27 10:39:21
      handler_name    : GPAC MPEG-4 OD Handler
    Stream #0:2(und): Data: none (mp4s / 0x7334706D), 0 kb/s (default)
    Metadata:
      creation_time   : 2010-04-27 10:39:21
      handler_name    : GPAC MPEG-4 BIFS Handler
File 'metadata.txt' already exists. Overwrite ? [y/N] y
Output #0, ffmetadata, to 'metadata.txt':
  Metadata:
    major_brand     : mp42
    minor_version   : 1
    compatible_brands: isomiso2avc1mp41mp423gp5
    comment         : 16:09:25
    title           : Mimic_mp4-92_amr-12.3gp.MP4.MP4
    artist          : created with SUPER(C).v2010.bld.37
Stream mapping:
Press [q] to stop, [?] for help
size=       0kB time=-577014:-32:-22.-77 bitrate=N/A    
video:0kB audio:0kB subtitle:0 data:0 global headers:0kB muxing overhead 0.000000%
Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)
_____________________________________________________________________________________________


Have I missed something here? Please let me know.

Regards,
Seema.