<br><br><div><span class="gmail_quote">On 4/17/07, <b class="gmail_sendername">cyrille henry</b> <<a href="mailto:cyrille.henry@la-kitchen.fr">cyrille.henry@la-kitchen.fr</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
hello,<br>i'm curently working on a mac pro quad (and HCS pd39-2-extended RC1).<br>i've got 2 problems.<br><br>1 st : reading movie does create a new thread as i can see in activity<br>monitor, but the cpu used by pd + reading movie does never exeed 100%
<br>(i.e 25% of the all CPUs).<br>is there a solution to improve this? i would like to be able to play<br>many movie using 4 core of this computer.</blockquote><div><br>Depends on what codec you use. All of the DV codecs use multiple threads to decompress and so does Apple Intermediate Codec.
<br></div><br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">i also have a problem with pix_coloralpha. it look like pix_coloralpha<br>does not change the alpha chanel of the movie.
<br>i test the same patch / same movie on linux where everything is working<br>ok. is there something that i should know to use this on osX?</blockquote><div><br>The default colorspace on OSX is YUV so there is no alpha. You can send a 'colorspace rgb' message to pix_film which will slow everything down a lot or use a shader which will be fast.
<br> </div><br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">thanks<br>Cyrille<br><br></blockquote></div><br>