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ffmpeg [2015/05/29 11:15] slackermedia |
ffmpeg [2015/08/10 23:59] slackermedia |
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- | [[{arrowp.png|border:0;background:none;width:0;display:inline-block;position:absolute;top:0;left:0;}digikam|]] | ||
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- | [[{arrown.png|border:0;background:none;width:0;display:inline-block;position:absolute;top:0;margin-left:2.5em;}ffmpeg2theora|]] | ||
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====== Ffmpeg HOWTO ====== | ====== Ffmpeg HOWTO ====== | ||
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=====Performance Boost===== | =====Performance Boost===== | ||
- | Linux video and audio editors generally support every possible codec they can, and that's quite a lot. This affords you great freedom, but should you experience performance issues while working with a file format, consider extracting the video and audio streams from their compressed containers and working with them as native or [mostly] uncompressed files. | + | Linux video and audio editors generally support every possible codec they can, and that's quite a lot. This affords you great freedom, but should you experience performance issues while working with a compressed file format (such as MP3, Vorbis, Theora, Dirac, and so on), consider extracting the video and audio streams from their compressed containers and working with them as native or [nearly] uncompressed files. |
- | If you do convert media, you obviously want to avoid losing quality, so ensure that you are using a //less// compressed container, and that you are retaining the exact same settings as the source video. | + | If you do find that you need to convert media, you obviously want to avoid losing quality, so ensure that you are using a //less// compressed container, and that you are retaining the exact same settings as the source video. |
If ''mediainfo'' or ''video-meta'' reports a bit rate of 67M at 29.97 fps, then when you convert, use at least 67M for the bit rate and 29.97 for the frame rate. | If ''mediainfo'' or ''video-meta'' reports a bit rate of 67M at 29.97 fps, then when you convert, use at least 67M for the bit rate and 29.97 for the frame rate. | ||
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<WRAP tip> | <WRAP tip> | ||
**See Also** \\ | **See Also** \\ | ||
- | mencoder \\ | + | [[http://www.mplayerhq.hu/DOCS/HTML/en/mencoder.html|Mencoder]] \\ |
- | gstreamer \\ | + | [[http://gstreamer.freedesktop.org/|Gstreamer]] \\ |
- | flac \\ | + | [[https://xiph.org/flac/|Flac]] \\ |
- | wavpack \\ | + | [[http://www.wavpack.com/|wavpack]] \\ |
- | imagemagick | + | [[http://www.imagemagick.org|Imagemagick]] |
+ | </WRAP> | ||
+ | |||
+ | <WRAP centeralign> | ||
+ | <wrap fa>[[fabla|R]]</wrap> <wrap fa>[[start|S]]</wrap> <wrap fa>[[ffmpeg2theora|Q]]</wrap> | ||
</WRAP> | </WRAP> | ||
- | [[{arrown.png|border:0;background:none;width:0;display:inline-block;float:right;}ffmpeg2theora|]][[{arrowp.png|border:0;background:none;width:0;float:right;}digikam|]] |