[FFmpeg-user] thumbnail issues

[Matt Bione]

the -r number is for number of thumbnails per second.. so i think it should
be -r 1/6.

Please find the command line used :
ffmpeg -loglevel verbose -i mod-Zq-8MDtYc_s.flv -an -f image2 -r 1/6
'thumb-%d.png'

console output:
ffmpeg version git-2012-08-17-3a1ca24 Copyright (c) 2000-2012 the FFmpeg
developers
  built on Aug 16 2012 21:55:47 with gcc 4.6 (Ubuntu/Linaro 4.6.3-1ubuntu5)
  configuration: --enable-gpl --enable-libfaac --enable-libmp3lame
--enable-libopencore-amrnb --enable-libopencore-amrwb --enable-librtmp
--enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264
--enable-nonfree --enable-version3 --enable-x11grab
  libavutil      51. 70.100 / 51. 70.100
  libavcodec     54. 53.100 / 54. 53.100
  libavformat    54. 24.101 / 54. 24.101
  libavdevice    54.  2.100 / 54.  2.100
  libavfilter     3. 10.100 /  3. 10.100
  libswscale      2.  1.101 /  2.  1.101
  libswresample   0. 15.100 /  0. 15.100
  libpostproc    52.  0.100 / 52.  0.100
Input #0, flv, from 'mod-Zq-8MDtYc_s.flv':
  Metadata:
    starttime       : 0
    totalduration   : 904
    totaldatarate   : 431
    bytelength      : 48676496
    canseekontime   : true
    sourcedata      : BADC20844MM1345851217766720
    purl            :
    pmsg            :
    encoder         : Lavf54.24.101
  Duration: 00:00:20.01, start: 0.000000, bitrate: 391 kb/s
    Stream #0:0: Video: h264 (Main), yuv420p, 320x240, 300 kb/s, 29.97 tbr,
1k tbn, 59.94 tbc
    Stream #0:1: Audio: aac, 44100 Hz, stereo, s16, 131 kb/s
[graph 0 input from stream 0:0 @ 0xa57d0a0] w:320 h:240 pixfmt:yuv420p
tb:1/1000 fr:30000/1001 sar:0/1 sws_param:flags=2
[format @ 0xa57d600] auto-inserting filter 'auto-inserted scaler 0' between
the filter 'Parsed_null_0' and the filter 'format'
[auto-inserted scaler 0 @ 0xa57d900] w:320 h:240 fmt:yuv420p sar:0/1 ->
w:320 h:240 fmt:rgb24 sar:0/1 flags:0x4
Output #0, image2, to 'in-%d.png':
  Metadata:
    starttime       : 0
    totalduration   : 904
    totaldatarate   : 431
    bytelength      : 48676496
    canseekontime   : true
    sourcedata      : BADC20844MM1345851217766720
    purl            :
    pmsg            :
    encoder         : Lavf54.24.101
    Stream #0:0: Video: png, rgb24, 320x240, q=2-31, 200 kb/s, 90k tbn,
0.17 tbc
Stream mapping:
  Stream #0:0 -> #0:0 (h264 -> png)
Press [q] to stop, [?] for help
*** drop!
    Last message repeated 593 times
No more inputs to read from, finishing.
frame=    6 fps=0.0 q=0.0 Lsize=       0kB time=00:00:36.00 bitrate=
0.0kbits/s dup=0 drop=594
video:112kB audio:0kB subtitle:0 global headers:0kB muxing overhead
-100.000000%


On Wed, Aug 29, 2012 at 1:11 PM, Carl Eugen Hoyos <cehoyos at ag.or.at> wrote:

> Matt Bione <matt.bione <at> gmail.com> writes:
>
> > ffmpeg -i abc.flv -f image2 -r 1/6 -s 200x100 'thumb%d.jpg'
>
> (Shouldn't this be -r 6 ?)
>
> Complete, uncut console output missing.
>
> Carl Eugen
>
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