L64105 LSI Logic Corporation, L64105 Datasheet - Page 257

• Manufacturer Part Number: L64105
• Description: Mpeg-2 Audio/video Decoder
• Manufacturer: LSI Logic Corporation

8.2.9 Picture Display Extension
Table 8.8
1. bslbf = bit stream left bit first; uimsbf = unsigned integer, most significant bit first; simsbf = signed
2. The value of the parameter Number_of_frame_center_offsets is a function of the following
3. Vertical offsets are written to the Auxiliary FIFO but are not supported by the L64020.
Parameter
extension_start_
code_identifier
(0x7)
for (i=0;
i<number_of_
frame_center_
offsets;i++) {
frame_center_
horizontal_offset
marker_bit
frame_center_
vertical_offset
marker_bit
}
integer, most significant bit first
parameters received in the sequence coding extension and in the picture coding extension;
Progressive_ sequence (prog), Picture_structure (pic_str), Top_field_first (tff), and
Repeat_first_field (rff). See
2
3
Picture Display Extension Processing
B[15:0] 16 * n simsbf
D[15:0
A[3:0]
C0
E0
]
Table 8.8
parameters present in the Picture Display Extension.
Postparser Operation
16 * n simsbf
1 * n
1 * n
4
Table 8.9
shows the actions the decoder takes for each of the
uimsbf
bslbf
bslbf
for allowable values for these parameters.
n
n
y
y
y
y
y
n
n
n
D11 D10 D9
B9
0
0
0
0
0
B8
0
0
0
0
0
B15 B14 B13 B12 B11 B10
B7
0
0
0
0
B6
D8
0
0
0
0
D15 D14 D13 D12
B5
D7
D3
0
0
D6
D2
B4
1
0
D5
D1
B3
B1
1
8-15
C0
D4
D0
B2
B0
E0
1