Video and Image Processing Up Conversion Example Design

Figure 4. System with Different Video Interface Standards
SDI Video
Source
SDI
Deinterlacing Chroma
Resampling
Possible Video System Configurations
These interfaces include phase alternation line (PAL), digital video
interface (DVI), high definition multimedia interface (HDMI), component
or YCbCr (with separate luminance and chrominance signals), S-Video or
Y/C (with separate luminance and color signals), serial digital interface
(SDI) and high definition SDI (HD-SDI).
The programmable nature of the FPGA lends itself well to migrating
systems that support different interfaces.
The example design could be used as a framework for development of
such FPGA hardware interface components. This can be achieved by
implementing SOPC Builder components with Avalon-ST interfaces as
used in the example design.
The DSP Builder tool also allows development and test of video
processing data paths independent of FPGA hardware interface
development.
For example, you could develop a video system with SDI video input and
output ports using the Stratix II GX board, and the Altera SDI/HD-SDI
MegaCore function.
Figure 4 shows a block diagram of a system with different video interface
standards.
Color Space
Conversion
(YCbCr->RGB)
Avalon-ST data interface
Avalon-MM control interface
Scaling
Triple
Buffer
External Memory
SDI
Video
Altera Corporation 7
Preliminary
SDI