.mkv only plays audio, no video

[skinney6]

(6th May, 2014 11:09 PM)IriDium Wrote:  What codec is used? - use VLC to see what it was encoded with.

The logfile shows:
00:16:16 T:2920281152 ERROR: COMXVideo::Open AllocOMXInputBuffers error (080001018)
00:16:16 T:2920281152 ERROR: OMXPlayerVideo : Error open video output
00:16:16 T:2920281152 WARNING: OpenVideoStream - Unsupported stream 0. Stream disabled.

codec: MPEG-1/2 video (mpgv)
720x480
frame rate: 29.970680
Decoded format: Planar 4:2:0 YUV