[MacPorts] #18256: ffmpeg: set default variants to include all optional codecs

[MacPorts]

#18256: ffmpeg: set default variants to include all optional codecs
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 Reporter:  devans@…                                |       Owner:  acho@…           
     Type:  enhancement                             |      Status:  new              
 Priority:  Normal                                  |   Milestone:  Port Enhancements
Component:  ports                                   |     Version:  1.7.0            
 Keywords:  vorbis faac faad lame theora x264 xvid  |        Port:  ffmpeg           
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Comment(by jm@…):

 Some codecs are not variants and are really needed:
 * lame: provides export to mp3. Needed to export to HDV (Mpeg2 video + mp3
 sound).
 * x264: export to AVCHD (95% of camcorders sold by Canon in 2009 will be
 AVCHD).
 * postproc is needed by MLT.

 Read our recommanded line:
 http://www.kdenlive.org/user-manual/downloading-and-installing-kdenlive
 /installing-source/installing-ffmpeg

 In video editing, the codecs used in files are unknown and depend on
 projects.
 It can be very frustrating for video editors to lack some codecs.

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Ticket URL: <http://trac.macports.org/ticket/18256#comment:8>
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