Renesas R5S72621 User Manual

Page of 2152
 
Section 27   Video Display Controller 3 
R01UH0134EJ0400  Rev. 4.00  
 
Page 1557 of 2108 
Sep 24, 2014 
 
 
 
SH7262 Group, SH7264 Group 
(2)  Video and Graphics Image Processing Flow 
The captured video is reduced in size, the contrast and brightness are adjusted, and then the 
resultant data is stored in the RGB565 format in the memory. The video data stored in the memory 
and graphics images (two planes) are overlaid and the result is displayed in the panel. 
Captured video size 
is reduced.
Contrast adjustment,
brightness adjustment, and
conversion from YC to RGB
Data is buffered in memory to absorb
the difference in display rate between
input video and display video.
α control area
Video and layer 1 can be 
α-blended 
by specifying an 
α control area 
in the graphics image area.
Fade-in and fade-out functions 
are available.
The transparency of the chroma-key 
target color of layer 2 can be set to 
100% through chroma-keying 
(a desired transparency can be 
specified).
Graphics block 1: Layer 1 
Graphics block 2: Layer 2 
Chroma-key target color 
Memory
TOP
BOTTOM
ABC, MPG
ABC, MPG
2008/1/1
2008/1/1
 
Figure 27.6   Overview of Video and Graphics Image Processing