From: Hugh T. <hug...@gm...> - 2010-06-04 08:39:43
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Thanks for your answers Dan. I suppose I'l have to dive down the rabbit hole into MLT wonderland ! I'll be looking into this in the next few weeks. Actually I think that even the simple first step of disabling effects that don't work at the moment would be quite useful, so I'll start off with that. 2010/6/3 Dan Dennedy <da...@de...> > 2010/5/31 wille <wil...@gm...>: > > Yes, left/right stereo balance. > > > > It would be very useful a feature that allow split a stereo audio clip in > > two mono clips. > > Well, now you have requested two different new features when Hugh was > volunteering to do some cleanup. The lack of balance/pan is already > well known and on my todo list. I praise Hugh's interest in > volunteering for some cleanup and would be saddened to see him > distracted. > > One thing you can do today is to split the audio and video and add the > clip again on an audio track. Then, use the channelcopy filter on both > audio clips to isolate left vs. right. Finally, you can use the > keyframable volume effect on each to do panning. Unfortunately, today > channelcopy is exposed in Kdenlive as simply "Mono to stereo," but you > can alter the effect XML file for that to add "to" and "from" channel > parameters (0 is left, 1 is right). ("Mono to stereo" may seem like a > strange name, but it was added specifically for the case where a clip > only has a mono track and you do not want it both channels and not > just left.) > > MLT and Kdenlive does not support the notion of a different number of > channels per track. So your second request is much longer term, if > ever, especially considering that I am still working on proper > multichannel (>2) support. I have been doing a lot with multichannel > in the past year for broadcast applications of MLT, but there are > still some gaps to add it in Kdenlive. One of these is surround > panning, which would also be capable of stereo. > > > 2010/5/31 Hugh Tebby <hug...@gm...> > >> > >> Do you mean left/right stereo balance ? I don't think there's such an > >> effect available in Sox or Ladspa... Would probably have to be done > directly > >> with MLT... > > That is correct. > > >> 2010/5/31 wille <wil...@gm...> > >>> > >>> By the way, I feel the need of a Balance audio effect or a similar > tool. > >>> > > -- > +-DRD-+ > > > ------------------------------------------------------------------------------ > ThinkGeek and WIRED's GeekDad team up for the Ultimate > GeekDad Father's Day Giveaway. ONE MASSIVE PRIZE to the > lucky parental unit. See the prize list and enter to win: > http://p.sf.net/sfu/thinkgeek-promo > _______________________________________________ > Kdenlive-devel mailing list > Kde...@li... > https://lists.sourceforge.net/lists/listinfo/kdenlive-devel > |