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DSLR H264 not playing in Premiere 5.5 again
I’m having the same problem again with Premiere Pro 5.5 on my new Macbook Pro 17″ 2.2Ghz Quadcore (8 threads) with 8gb RAM. Using the fast AMD Radeon HD 6750 Graphics, not the slower Intel. H264 footage from my Nikon D7000. After Jon’s suggestion I had done the uninstall and Cleaner then reinstall. It worked for a day, and the next day after moving my scratch disk to a fast RAID 5 200mB/sec from the internal SSD it quit working. This is also where the original media resides. Have done multiple uninstalls with Cleaner and clean reinstalls of 5.5. Even went in and removed other Adobe components that are reinstalled with Production Premium. When played outside of Premiere in QT 7.6 Pro the H.264 clip runs at 27 mb/sec, full frame rate. In Premiere 5.5 it is averaging 2.7 mb/sec, with spikes from zero to about 4 mb/sec, with large spikes. See image of Properties. I have tried this with playback coming from the RAID and from the internal SSD.
DSLR playback is the biggest reason I am moving to Premiere, and this is getting very frustrating. I know it can work because it did previously. Does anyone have any ideas as to how this can be made to work? It did work for a day, so I know it isn’t the computer.

Jim Wiseman
Sony PMW-EX1,Pana AJ-D810 DVCPro, DVX-100, Final Cut Studio 2 and 3, Media 100 Suite 2.0.2, Premiere Pro 5.0 and 5.5, AJA ioHD, AJA Kona LHi, Avid MC, Hexacore MacPro 3.33 Ghz, Macbook Pro 17″ 2011 2.2 Ghz Quadcore i7, G5 Quadcore PCIe