Samsung S3C6400X User Manual page 639

FIMV-MFC V1.0
Encoder bus loading
Item
No. bytes/pixel row
No. pixel row/frame
No bytes/luminance
No byte/chrominance
No byte/frame
Luminance data for 30
frames
Chrominance data for 30
frames
Frame data for 30 frames
Encoder bandwidth requirement for 30fps
Item
Reading current frame
data to be encoded for
motion estimation and
computing residual
Reading reference
luminance data for motion
estimation/compensation
Reading reference
chrominance data for
motion compensation
Reconstructed frame write
Pixel row read/write for
deblocking filtering
Coeff. read/write for
AC/DC prediction (MPEG-
4 case)
Table 21.1 Encoder bus loading
unit
Byte/pixel row
Pixel row/picture
Byte/luminance
Byte/chrominanc
e
Byte/frame
MB/sec
MB/sec
MB/sec
unit CIF
MB/sec
MB/sec
MB/sec
MB/sec
MB/sec
MB/sec
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
MULTI-FORMAT
CIF VGA
352 640
288 480
101376 307200
50688 153600
152064 460800
3.041 9.216
1.521 4.608
4.562 13.824
VGA
4.562 13.824
3.041 9.216
3.041 9.216
4.562 13.824
3.041 9.216
3.041 9.216
CODEC
VIDEO
D1
720
480
345600
172800
518400
10.368
5.184
15.552
D1
15.552
10.368
10.368
15.552
10.368
10.368
21-13