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JPEG Decoder and Encoder IP

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JPEG codec is designed to provide high performance solution for jpeg decoder and encoder. JPEG codec is fully compliant with the baseline and extended sequential DCT mode of ISO/IEC 10918-1 JPEG standard. It also part compliant with ISO/IEC 18477 for supporting 10/12bit sample size.

JPEG codec is in-built Variable Length Decode/Encode (VLD/VLC), Inverse Scan/Scan (IS/S), Inverse Quantization/ Quantization (IQ/Q), Inverse Discrete Cosine Transform/ Discrete Cosine Transform (IDCT/DCT), Scaling down hardware engine. JPEG Engine architecture with based on MCU layer.

On the fly pre and post image processing can support scaling , rotation and color space conversion. 32bit APB/128bit AXI standard interface make the integration is more convenient and efficient.

JPEG Codec:

Jpeg: ISO/IEC 10918-1
YCbCr 4:4:4,
YCbCr 4:2:2
YCbCr 4:2:2T
YCbCr 4:2:0
YCbCr 4:1:1
YCbCr 4:0:0
Argb8888 (raster scan only )
Maximum size: 64kx64k
Image Resize
Y scale 1X, 1/2 X , 1/4 X, 1/8 X , in horizontal and Vertical independently
CbCr scale 2X, 1 X , 1/2 X, 1/4 X, 1/8 X, in horizontal and Vertical independently.
Image Rotation
+90°
+180°
+270°
Color space Conversion
YCbCr to RGB
1920X1080@38fps (200MHz, U40 HLP)
Quick IDCT/DCT mode
Command queue mode

XT JPEG Codec:

Jpeg: ISO/IEC 18477
Sample size 10/12bit
HDR tone mapping/invert tone mapping
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