each thread will PLAY a URL, and maybe exit if any network occurs, and Release it's surfaces, then restart with new URL(has different sized video), so the CreateSurface, tmp->Release, main->GetSubSurface, sub->Release maybe occurs the same time. should lock here?
2008/1/3, Denis Oliver Kropp <[EMAIL PROTECTED]>: > > Deng XueFeng wrote: > > hi, > > how to change the pixel format of tmp surface got by GetSubSurface? > > You don't get a sub surface of a tmp surface. I thought about this > (example with two threads): > > - Create Main Surface (&pMain) > - GetSubSurface (pMain, NULL, &pSub1) > - GetSubSurface (pMain, NULL, &pSub2) > - Create Temp Surface (&pTmp1) > - Create Temp Surface (&pTmp2) > > Thread1 > - pSub1->Blit( pSub1, pTmp1 ) > > Thread2 > - pSub2->Blit( pSub2, pTmp2 ) > > -- > Best regards, > Denis Oliver Kropp > > .------------------------------------------. > | DirectFB - Hardware accelerated graphics | > | http://www.directfb.org/ | > "------------------------------------------" >
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