From: Michael R. <mr...@us...> - 2004-09-03 14:17:40
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Hi Marcel, > > I use the second head output on the Matrox to the projector and the > > primary to the monitor although they just mimic one another. I have no > > special dual head setup. I use the xv scaling and sometimes find it a bit > > bandy depending on the source material but have yet to find a better way. > > That's why I thought xv is not the way to go when demanding high quality. Scaling does not get any better than with Xv. XShm is far worse, since xine scales the image by simply doubling or removing lines. Everything else would require some quite CPU expensive filtering (like bilinear filtering, which does not look very good either). The quality of the Xv scaling depends only the algorithm used by the graphics card. Unfortunately, these features seem to have a low priority for todays GPU manufacturers. They seem to concentrate on 3D throughput. > This is exactly what I'm afraid of. I basically want it to be jitterfree > and no tearing. Currently the dxr3 does provide that very well, but > regarding resolution it's rather low (DVD resolution output). If you use the DXR3 that way, you will lose some resolution due to the redundant digital->analog->digital conversion. I doubt that the TV out of the DXR3 (although it's quite good) has the bandwidth to transport all 720 pixels per line. Michael -- panic("esp: what could it be... I wonder..."); 2.2.16 /usr/src/linux/drivers/scsi/esp.c |