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On Wed, 14 Oct 2009 20:28:27 +0200 Stig Hornuff <sslug@sslug> wrote: > On 10/14/2009 08:15 PM, Eskild Nielsen wrote: > > Multimediefiler indeholder information om hvilke codec, der er > > brugt, hvilken opløsning, bitrater, varighed osv. > > > > I et bibliotek på en server ligger der nogle tusinde af den > > slags filer > > - fordelt i forskellige underbiblioteker. > > > > Jeg har brug for at danne en tabel (regneark, database, textfil > > - i > > første omgang ligegyldigt) som indeholder sådanne tekniske > > oplysninger for disse filer. > > > > hvis det kun var nogle få filer, så kunne jeg manelt åbne dem > > med fx vlc, se relecvante data på tools/codec menuen, kopiere > > dem til min output fil, gentage med næste fil, osv. > > > > Men antallet gør at dette ikke er realsitisk > > > > Jeg kan huske, at jeg på disse sider har set noget der lignede > > det rigtige; jeg kan bare ikke genfinde tråde > > > > Derfor spørger jeg påny og håber at også jeg kan få hjælp om > > dette... > > > > /eskild > > > Tja... du kan jo evt. prøve med: mplayer -frames 1 -identify > > - men det kræver selvfølgelig at du har/installerer mplayer. for at korte responstid ned fx.: $ mplayer -endpos 0.5 -vo null -vc null -ao null -identify <videofile> giver masser af output, bl.a. ID_CLIP_INFO_NAME1=Software ID_CLIP_INFO_VALUE1=CanonMVI02 ID_CLIP_INFO_N=2 ID_FILENAME=MVI_4600.avi ID_DEMUXER=avi ID_VIDEO_FORMAT=MJPG ID_VIDEO_BITRATE=4804064 ID_VIDEO_WIDTH=640 ID_VIDEO_HEIGHT=480 ID_VIDEO_FPS=10.000 ID_VIDEO_ASPECT=0.0000 ID_AUDIO_FORMAT=1 ID_AUDIO_BITRATE=88192 ID_AUDIO_RATE=0 ID_AUDIO_NCH=0 ID_LENGTH=3.70 ID_SEEKABLE=1 ID_CHAPTERS=0 ========================================================================== Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family Unsupported PixelFormat -1 Selected video codec: [ffmjpeg] vfm: ffmpeg (FFmpeg MJPEG) ========================================================================== ID_VIDEO_CODEC=ffmjpeg // etc.etc. -- Donald Axel <sslug@sslug>
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