參數(shù)資料
型號： ZR36504
廠商： Electronic Theatre Controls, Inc.
英文描述： Video & Audio Interface solution via USB
中文描述： 視頻
文件頁數(shù)： 37/74頁
文件大?。?/td> 298K
代理商： ZR36504
ZORAN Corporation
USBvision II Data Decoder
ZR36505 Data Sheet
November-99
Page 37 of 37
0: Normal operation (do not force)
1: Force dependency on previous line.
Actual Strip width. This parameter specifies to the
ZR36504 compressor how many video lines should be
packed into a single strip packet. A strip packet
contains up to 400 bytes.
Virtual Strip width. This parameter specifies to the
ZR36504 compressor the maximum number of video
lines that are allowed to be dependent.
n = 0: Use same value as ACT_STRIP
n = 1-14: Use 4xn lines for Virtual strip width
n = 15: Use frame full height for Virtual strip width
ACT_STRIP[3..0]
Reg.45/d4-d0
STRIP_SZ
VIRT_STRIP[3..0]
Reg.45/d7-d4
STRIP_SZ
(continued...)
Parameter
Register
address
Reg.47/d7-d1
FORCE_UP
Usage
STRIP_DAT_
LIMIT[6..0]
This parameter specifies the maximum number of bytes
to be packed in a single Actual Strip. The default value
of this parameter is 0, and it sets the max number of
bytes to 400. Any other value N between 1-127 will set
the max number of bytes to 273+N.
Compression Threshold 1. Recommended range:
[0,20] (0 for best quality, 20 for minimum bits/pixel).
PCM_THR1[7..0]
Reg.56
PCM_THR1
Reg.57
PCM_THR2
Reg.58
DIST_THR_I
PCM_THR2[7..0]
Compression Threshold 2. Recommended range:
[0,9] (0 for best quality, 9 for minimum bits/pixel).
DIST_THR_I[7..0]
Compression Average Distortion Threshold for Inter
frames. Recommended range: [0,255] (0 for best quality,
255 for minimum bits/pixel).
Compression Average Distortion Threshold for Intra
frames. Recommended range: [0,200] (0 for best quality,
200 for minimum bits/pixel).
Compression Maximum Distortion Threshold for Inter
frames. Recommended range: [0,50] (0 for best quality,
50 for minimum bits/pixel).
Compression Maximum Distortion Threshold for Intra
frames. Recommended range: [0,28] (0 for best quality,
28 for minimum bits/pixel).
DIST_THR_A[7..0]
Reg.59
DIST_THR_A
MAX_DIST_I[7..0]
Reg.60
MAX_DIST_I
MAX_DIST_A[7..0]
Reg.61
MAX_DIST_A
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