That's a similar machine to what I was using in 2007-8. Try the ProRes 422 and 422(HQ) codecs.
Those flags can be set using the Preferences->Startup options. Add -nomidi -noaudio -nrt to the startup flags line. Restart Pd. On Sat, Mar 2, 2013 at 1:08 PM, Stephan Elliot Perez < [email protected]> wrote: > Hi Mr. Clepper. Thanks for you reply. > > I have been using a Mac with a 2 x 2,8 GHz Dual-Core Intel Xeon processor. > > There are ProRes codecs here. 4444, 422 (proxy) 422 (HQ), 422 (LT), and > 422. Does it matter which one I use? > > I have no audio in the patch. How do I activate these -noaudio and -nomidi > settings? > > Best regards, > Stephan > > > On Fri, Mar 1, 2013 at 10:25 PM, chris clepper <[email protected]>wrote: > >> I had no problem playing 4 or more AIC 1080@30fps files in 2007 on a >> MacPro or Quad G5. What sort of hardware are you using? >> >> Photo-Jpeg is not multi-threaded so playing multiple clips will have much >> worse performance than AIC. If you have access to it, the ProRes codecs >> can also be very fast for HD. Adobe and Avid have similar codecs as well. >> >> It could be the lag is from the -rt setting so GEM uses all available >> processing. The best setup for GEM on OSX is -nrt -noaudio -nomidi (and >> -nogui if you can work with it). >> >> >> On Fri, Mar 1, 2013 at 3:39 PM, Stephan Elliot Perez < >> [email protected]> wrote: >> >>> So, I reduced the resolution of the files from 1920 x 1080 to 800 x 450 >>> with the Apple Photo -Jpeg codec and now I have no lag. >>> >>> The loss in quality is of course noticable, but tolerable... >>> >>> Thanks again for you help, >>> Stephan >>> >>> On Thu, Feb 28, 2013 at 9:13 AM, <[email protected]> wrote: >>> >>>> Hello! >>>> >>>> what video codec are you using? >>>> in my experience, a big issue when playing back video with gem, >>>> comes from the codecs and container, resulting in extreme differences >>>> in cpu-load. >>>> i found, that mov-container work way better than avi-container, even >>>> though >>>> the same codec is used and packed in the container. >>>> try converting your videos to a motion-jpeg codec packed in a >>>> quicktime-mov. >>>> you could use mpeg-streamclip [1] for that purpose on win /mac machines >>>> or ffmpeg on linux. >>>> >>>> [1] http://www.squared5.com/ free tool for video conversion >>>> >>>> regards, peter >>>> >>>> *Gesendet:* Mittwoch, 27. Februar 2013 um 23:55 Uhr >>>> *Von:* "Stephan Elliot Perez" <[email protected]> >>>> *An:* "Cyrille Henry" <[email protected]> >>>> *Cc:* [email protected] >>>> *Betreff:* Re: [PD] file format for GEM >>>> A more urgent problem: Although the CPU usage stays under 100 (peak is >>>> around 84 with three videos overlapping), there is a substantial amount of >>>> lag. If I turn off video processing, a command that should be executed >>>> after 30 seconds via the cue list is executed punctually. If I turn it on, >>>> the command is 11 seconds late. >>>> >>>> I can attach the patch if you like, but I probably will not be able to >>>> send the video clips as one attachment. >>>> >>>> Best regards, >>>> Stephan >>>> >>>> >>>> On Wed, Feb 27, 2013 at 8:19 PM, Stephan Elliot Perez < >>>> [email protected]> wrote: >>>> >>>>> What is a shader, and how do I use it? >>>>> >>>>> >>>>> On Wed, Feb 27, 2013 at 7:25 PM, Cyrille Henry <[email protected]> wrote: >>>>> >>>>>> >>>>>> >>>>>> Le 27/02/2013 19:17, Stephan Elliot Perez a écrit : >>>>>> >>>>>> Thanks, it works now. For some reason, turning "auto" on and off >>>>>>> (with pix_film) causes the video to lag temporarily, but I do not have >>>>>>> this >>>>>>> problem if I use line-objects to go through the frames. The cpu-usage >>>>>>> goes >>>>>>> above 100 if I have more than two videos playing at once, but I suppose >>>>>>> I >>>>>>> don't need more than two for this project... >>>>>>> >>>>>>> Also, what can I do if I want an additive blend instead of a normal >>>>>>> cross-blend? >>>>>>> >>>>>> >>>>>> i would use a shader for this. >>>>>> it offer great flexibility, even if it's a bit harder to begin with. >>>>>> but that's the way openGL wants you to do now. >>>>>> cheers >>>>>> c >>>>>> >>>>>> >>>>>>> >>>>>>> On Tue, Feb 26, 2013 at 10:16 PM, Cyrille Henry <[email protected]<mailto: >>>>>>> [email protected]>> wrote: >>>>>>> >>>>>>> hello, >>>>>>> Gem is mostly design to work on the GPU, and not on the CPU. >>>>>>> GPU have hundreds of core, they are faster than CPU for image >>>>>>> manipulations. >>>>>>> >>>>>>> pix_add come from the 20th century and should now be avoid since >>>>>>> it use cpu not gpu ;-) >>>>>>> >>>>>>> in order to make a fade transition between 2 videos, you can use >>>>>>> transparency on one video. >>>>>>> add a [alpha] object after Gemhead, and send number between 0 >>>>>>> and 1 in the last inlet of the colorRGB object to make the video appear >>>>>>> / >>>>>>> disapear. >>>>>>> >>>>>>> cheers >>>>>>> c >>>>>>> >>>>>>> >>>>>>> Le 26/02/2013 21:33, Stephan Elliot Perez a écrit : >>>>>>> >>>>>>> Hello, >>>>>>> So, looking at the help file for [pd~], it seems to >>>>>>> be primarily for audio. How can I use multiple cores to work purely with >>>>>>> GEM? >>>>>>> I am trying to have a simple transition between >>>>>>> video clips, but if I have two instances of pix_film and then connect >>>>>>> them >>>>>>> to pix_add, the CPU-ussage skyrockets well above 100... is there a more >>>>>>> efficient object for blending two video clips? >>>>>>> >>>>>>> Best regards, >>>>>>> Stephan >>>>>>> >>>>>>> On Sun, Feb 3, 2013 at 10:54 PM, Thomas Mayer < >>>>>>> [email protected] <mailto:[email protected]> <mailto: >>>>>>> [email protected] <mailto:[email protected]>>> wrote: >>>>>>> >>>>>>> Hi, >>>>>>> >>>>>>> On 03.02.2013 22:48, Stephan Elliot Perez wrote: >>>>>>> > I am talking about PD's CPU meter. I don't have the >>>>>>> impression that PD >>>>>>> > takes full advantage of 2 quad-core processors. When >>>>>>> processing audio, >>>>>>> > anything over 100 in PD's meter will lead to >>>>>>> glitched audio. I am just >>>>>>> > wondering if it will be much more when I load other >>>>>>> videos and transition >>>>>>> > between them. >>>>>>> >>>>>>> Pd will only use one core, and one core for the GUI. >>>>>>> There are ways to >>>>>>> distribute the load over several cores, e.g. [pd~] or >>>>>>> use several >>>>>>> instances of Pd that communicate with each others: >>>>>>> >>>>>>> >>>>>>> http://www.mail-archive.com/__**[email protected]/msg33319.html<http://www.mail-archive.com/[email protected]/msg33319.html>< >>>>>>> http://www.mail-archive.com/**[email protected]/msg33319.html<http://www.mail-archive.com/[email protected]/msg33319.html> >>>>>>> > >>>>>>> >>>>>>> >>>>>>> Hth, >>>>>>> Thomas >>>>>>> -- >>>>>>> "Spielen Sie Strip Schnipp-Schnapp?" (Adam Weishaupt to >>>>>>> Johann >>>>>>> Wolfgang von Goethe in: Robert Shea & Robert A. Wilson, >>>>>>> The Golden >>>>>>> Apple) >>>>>>> http://www.residuum.org/ >>>>>>> >>>>>>> ______________________________**___________________ >>>>>>> [email protected] <mailto:[email protected]> <mailto: >>>>>>> [email protected] <mailto:[email protected]>> mailing list >>>>>>> >>>>>>> UNSUBSCRIBE and account-management -> >>>>>>> http://lists.puredata.info/__**listinfo/pd-list<http://lists.puredata.info/__listinfo/pd-list>< >>>>>>> http://lists.puredata.info/**listinfo/pd-list<http://lists.puredata.info/listinfo/pd-list> >>>>>>> > >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> ______________________________**___________________ >>>>>>> >>>>>>> [email protected] <mailto:[email protected]> mailing list >>>>>>> UNSUBSCRIBE and account-management -> >>>>>>> http://lists.puredata.info/__**listinfo/pd-list<http://lists.puredata.info/__listinfo/pd-list>< >>>>>>> http://lists.puredata.info/**listinfo/pd-list<http://lists.puredata.info/listinfo/pd-list> >>>>>>> > >>>>>>> >>>>>>> >>>>>>> >>>>> >>>> >>>> >>> >>> _______________________________________________ >>> [email protected] mailing list >>> UNSUBSCRIBE and account-management -> >>> http://lists.puredata.info/listinfo/pd-list >>> >>> >> >
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