BYTE4 | BYTE5 | BYTE6 | BYTE7 | BYTE8 | BYTE9 | BYTE10 | BYTE11 |
HHHHHHHH | HHHH | VVVV |
VVVVVVVV |
AAAA | FFFF |
RRRRRRRR |
RRRRRRRR |
RR | 1 | BBBBB |
BBBBB | C | Q | N |
HHH...(12bits) : Horizontal size |
VVV...(12bits) : Vertical size |
AAAA(4bits) : Pixel aspect ratio (表を開く/閉じる) |
FFFF(4bits) : Picture frame rate (表を開く/閉じる) |
bits | Aspect Ratio | Frame Rate |
0000 | forbidden | forbidden |
0001 | 1.0 (1:1) | 23.976 (24000/1001) |
0010 | 0.6735 (4:3) | 24 |
0011 | 0.7031 (16:9) | 25 |
0100 | 0.7615 (2.21:1) | 29.97 (30000/1001) |
0101 | 0.8055 | 30 |
0110 | 0.8437 | 50 |
0111 | 0.8935 | 59.94 (60000/1001) |
1000 | 0.9157 | 60 |
1001 | 0.9815 | reserved |
1010 | 1.0255 |
1011 | 1.0695 |
1100 | 1.095 |
1101 | 1.1575 |
1110 | 1.2051 |
1111 | reserved |
RRR...(18bits) : Bitrate (50bytes/sec単位, 0:forbidden, 0x3FFFF:VBR) |
1 : marker bit(always set 1) |
BBB...(10bits) : VBV buffer size |
C : constrained parameters flag (set if true) |
Q : load intra quantiser matrix(1:直ちに64bytesのデータが続く) |
N : load non-intra quantiser matrix(1:直ちに64bytesのデータが続く) |