Some videos don't play with DxVA2 (usually 5.1)

here is two h264 videos which have problems with dxva2 using win7 64bits and nvidia 9600GT (drivers v196.21). tested with pre3 and with my own compile of the trunk using updated ffmpeg. pre4 is just broken using dxva2 on my config. http://www.etud.insa-toulouse.fr/~mvelten/bordel/M6HD_capture_cut.ts http://www.etud.insa-toulouse.fr/~mvelten/bordel/test_1080p.mkv