Header For MPEG-2 Video Elementary Stream
Field Name | # of bits | Description |
---|---|---|
start code | 32 | 0x000001B3 |
Horizontal Size | 12 | |
Vertical Size | 12 | |
Aspect ratio | 4 | |
Frame rate code | 4 | |
Bit rate | 18 | Actual bit rate = bit rate * 400, rounded upwards. Use 0x3FFFF for variable bit rate. |
Marker bit | 1 | Always 1. |
VBV buf size | 10 | Size of video buffer verifier = 16*1024*vbv buf size |
constrained parameters flag | 1 | |
load intra quantizer matrix | 1 | If bit set then intra quantizer matrix follows, otherwise use default values. |
intra quantizer matrix | 0 or 64*8 | |
load non intra quantizer matrix | 1 | If bit set then non intra quantizer matrix follows. |
non intra quantizer matrix | 0 or 64*8 |
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