[raztoki]

not useless, those are the dash parts which get demuxed.

you have a problem with ffmpeg

--ID:140TS:1415569369096-09/11/14 22.42.49 -  [jd.controlling.downloadcontroller.SingleDownloadController(download)] -> Exception: 
--ID:140TS:1415569369096-09/11/14 22.42.49 -  [] -> java.io.IOException: Cannot run program "/Applications/JD2/JDownloader.app/Contents/java/app/tools/mac/ffmpeg_10.6+/ffmpeg": error=86, Bad CPU type in executable
	at java.lang.ProcessBuilder.processException(ProcessBuilder.java:478)
	at java.lang.ProcessBuilder.start(ProcessBuilder.java:457)
	at org.jdownloader.controlling.ffmpeg.AbstractFFmpegBinary.runCommand(AbstractFFmpegBinary.java:225)
	at org.jdownloader.controlling.ffmpeg.FFmpeg.generateM4a(FFmpeg.java:97)
	at jd.plugins.hoster.YoutubeDashV2.handleDash(YoutubeDashV2.java:1328)
	at jd.plugins.hoster.YoutubeDashV2.handlePremium(YoutubeDashV2.java:1454)
	at jd.plugins.hoster.YoutubeDashV2.handleFree(YoutubeDashV2.java:1150)
	at jd.plugins.PluginForHost.handle(PluginForHost.java:817)
	at jd.controlling.downloadcontroller.SingleDownloadController.download(SingleDownloadController.java:378)
	at jd.controlling.downloadcontroller.SingleDownloadController.run(SingleDownloadController.java:508)
Caused by: java.io.IOException: error=86, Bad CPU type in executable
	at java.lang.UNIXProcess.forkAndExec(Native Method)
	at java.lang.UNIXProcess.<init>(UNIXProcess.java:53)
	at java.lang.ProcessImpl.start(ProcessImpl.java:91)
	at java.lang.ProcessBuilder.start(ProcessBuilder.java:452)
	... 8 more