Cluster hack and MPC

[alexnoe]

|+ Segment information at 1656
| + Segment UID: 0x1a 0x22 0x47 0x90 0x38 0xa5 0x61 0x98 0x62 0xa7 0x1a 0x6b 0x2b 0xbc 0xc8 0xd7 at 1662
| + Duration: 2521.082s at 1681
| + Writing application: AVI-Mux GUI 1.15 (matroska support alpha build 18), 08.10.03 at 1688
| + Muxing application: matroska muxer by Alexander Noe at 1751
| + EbmlVoid at 1785
|+ Cluster at 3704
| + Cluster timecode: 15.000s at 3712
| + Block group at 3716
| + Block (track number 1, 1 frame(s), timecode 0.000s) at 3719
| + Frame with size 3789
| + Block group at 7515
| + Block (track number 2, 21 frame(s), timecode 0.000s) at 7518
| + Frame with size 480
| + Frame with size 480
| + Frame with size 480
| + Frame with size 480
| + Frame with size 480
| + Frame with size 480
| + Frame with size 480
| + Frame with size 480
| + Frame with size 480
| + Frame with size 480
| + Frame with size 480
| + Frame with size 480
| + Frame with size 480
| + Frame with size 480
| + Frame with size 480
| + Frame with size 480
| + Frame with size 480
| + Frame with size 480
| + Frame with size 480
| + Frame with size 480
| + Frame with size 480
| + Block group at 17646
| + Reference block: -40.000ms at 17649
| + Block (track number 1, 1 frame(s), timecode 0.040s) at 17652
| + Frame with size 1011
| + Block group at 18670
| + Reference block: -40.000ms at 18673
| + Block (track number 1, 1 frame(s), timecode 0.080s) at 18676
| + Frame with size 922
| + Block group at 19605
| + Reference block: -40.000ms at 19608
| + Block (track number 1, 1 frame(s), timecode 0.120s) at 19611
| + Frame with size 850
| + Block group at 20468
| + Reference block: -40.000ms at 20471
| + Block (track number 1, 1 frame(s), timecode 0.160s) at 20474
...

MPC skips the beginning of the file... I know that this is kinda hackish to make clusters of over 30 seconds with milli sec timecode scale, but it is spec compliant...