DVD-Video 解谜 - Sub-Pictures - User Operation flags (Uops)
2007-04-26 12:24
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User Operation Flags (Uops)
User operation flags appear at three different levels, there is one for the title in TT_SRPT (only Uop0 and Uop1, as bits 0 and 1 of Title Type), one for each Program Chain, and one in each VOBU in the PCI packet.These flags are ORed together, a set bit in any mask inhibits the associated control.
number | controls affected | PGC | VOBU |
---|---|---|---|
0 | Time play or search | ![]() | |
1 | PTT play or search | ![]() | |
2 | Title play | ![]() | |
3 | Stop | ![]() | ![]() |
4 | GoUp | ![]() | |
5 | Time or PTT search | ![]() | ![]() |
6 | TopPG or PrevPG search | ![]() | ![]() |
7 | NextPG search | ![]() | ![]() |
8 | Forward scan | ![]() | ![]() |
9 | Backward scan | ![]() | ![]() |
10 | Menu call - Title | ![]() | ![]() |
11 | Menu call - Root | ![]() | ![]() |
12 | Menu call - Subpicture | ![]() | ![]() |
13 | Menu call - Audio | ![]() | ![]() |
14 | Menu call - Angle | ![]() | ![]() |
15 | Menu call - PTT | ![]() | ![]() |
16 | Resume | ![]() | ![]() |
17 | Button select or activate | ![]() | |
18 | Still off | ![]() | ![]() |
19 | Pause on | ![]() | ![]() |
20 | Audio stream change | ![]() | ![]() |
21 | Subpicture stream change | ![]() | ![]() |
22 | Angle change | ![]() | ![]() |
23 | Karaoke audio mix change | ![]() | ![]() |
24 | Video presentation mode change | ![]() | ![]() |
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