Re: How to create thumbnail from FLV file?

Does it work with flash 8?

On 4/21/06, James Barros <james@xxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> well, I'm not sure if this will help at all, but I'm creating them
> with -ss and -vframes 1 instead of specifying a -t for a still image.
> works for me with a CVS version from about a week back. YMMV.
>
> -- James
>
>
> On Apr 21, 2006, at 12:26 AM, Jordan Rohan wrote:
>
> > I am having trouble creating thumbnail from FLV files using ffmpeg.
> > It seems
> > to work fine when I create thumbnails from MOV files, but the FLV
> > files are
> > not working. Here's what I get when I try to create a thumbnail
> > from FLV
> > files. This has been puzzling me for hours ...
> >
> > *ffmpeg.exe -i geebo_skiing_video.flv -f image2 -t 0.001 -ss 3
> > fsn-throw-06_1.jpg
> > *
> > ffmpeg version 0.4.9-pre1, build 4721, Copyright (c) 2000-2004 Fabrice
> > Bellard
> >   built on Sep 20 2004 09:49:14, gcc: 3.2.3 (mingw special 20030504-1)
> > [flv @ 0040E0A4]skipping flv packet: type 18, size 273, flags 0
> > Input #0, flv, from 'geebo_skiing_video.flv':
> >   Duration: N/A, bitrate: N/A
> >   Stream #0.0: Audio: mp3, 22050 Hz, stereo
> >   Stream #0.1: Video: ♦
> > Output #0, image2, to 'fsn-throw-06_1.jpg':
> >   Stream #0.0: Video: mjpeg, q=2-31, 200 kb/s
> > Stream mapping:
> >   Stream #0.1 -> #0.0
> > Unsupported codec (id=0) for input stream #0.1
> >
> > It seems to work fine when I do it for a quicktime file. Why does
> > it work
> > for quicktime but not for flash video?
> >
> > *ffmpeg.exe -i fsn-throw-06.mov -f image2 -t 0.001 -ss 3 fsn-
> > throw-06_1.jpg
> > *ffmpeg version 0.4.9-pre1, build 4721, Copyright (c) 2000-2004
> > Fabrice
> > Bellard
> >   built on Sep 20 2004 09:49:14, gcc: 3.2.3 (mingw special 20030504-1)
> > Input #0, mov,mp4,m4a,3gp, from 'fsn-throw-06.mov':
> >   Duration: 00:00:30.6, bitrate: 445 kb/s
> >   Stream #0.0: Video: svq3, 320x240, 30.00 fps
> >   Stream #0.1: Audio: mp2, 44100 Hz, stereo
> > Output #0, image2, to 'fsn-throw-06_1.jpg':
> >   Stream #0.0: Video: mjpeg, 320x240, 30.00 fps, q=2-31, 200 kb/s
> > Stream mapping:
> >   Stream #0.0 -> #0.0
> > frame=   89 q=0.0 Lsize=       0kB time=3.0 bitrate=   0.0kbits/s
> > video:5kB audio:0kB global headers:0kB muxing overhead -100.000000%
> >
> > Jordan
> > _______________________________________________
> > ffmpeg-user mailing list
> > ffmpeg-user@xxxxxxxxxxxx
> > http://mplayerhq.hu/mailman/listinfo/ffmpeg-user
>
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