Features - Features - 3.0 English - PG447

H.264/H.265/JPEG Video Codec Unit 2 (VCU2) Solutions LogiCORE IP Product Guide (PG447)

Document ID
PG447
Release Date
2026-03-06
Version
3.0 English
The following table describes the decoder block features.
Table 1. VCU2 Decoder Features
Video Coding Feature H.264 H.265 JPEG
Profiles

Baseline (except FMO/ASO/RS)

Constrained Baseline

Main

High

Progressive High and Constrained High (subsets of High profile)

High 10

High 4:2:2

High 4:4:4 predictive

Main (10/12)

Main 4:2:2 (10/12)

Main 4:4:4 (10/12)

Baseline

12-bit extension

Levels up to 5.2 up to 5.1 High Tier  

Performance at 918 MHz:

32 streams at 720x480p at 30 fps

Eight streams at 1920x1080p at 30 fps

Four streams at 1920x1080p at 60 fps

Two streams at 3840x2160p at 30 fps

One stream at 3840x2160p at 60 fps

For more information, refer to Versal Prime Series Gen 2 Data Sheet: DC and AC Switching Characteristics (DS1020) and Versal AI Edge Series Gen 2 Data Sheet: DC and AC Switching Characteristics (DS1021).

Supported Supported  

Configurable resolution:

Picture width and height multiple of eight

Maximum width or height: 4096

Maximum picture size of 33.5 MP

Supported

Minimum size: 80×96

Maximum width: 4096

Maximum height: 4096

Supported

Minimum size: 128×128

Maximum width: 4096

Maximum height: 4096

Supported

Minimum size: 16x16

Maximum width: 4096

Maximum height: 4096

Configurable frame rate Supported Supported N/A
Sample bit depth: 8-bit, 10-bit, 12-bit Supported Supported 8-bit/12-bit
Chroma format: YCbCr 4:2:0, YCbCr 4:2:2, Y-only (monochrome) Supported Supported  
Progressive format Supported (no PAFF, no MBAFF) Supported Supported
Interlaced format No support Supported Interleaved
Quantization tables N/A N/A Supported
Huffman coding tables N/A N/A Supported
Restart marker N/A N/A Supported

The VCU2 decoder supports JPEG Baseline Profile with 12-bit Extension:

  • Minimum image size 16×16 pixels
  • Maximum image size 4096×4096 pixels
  • Chroma Formats YCbCr 4:2:0, 4:2:2, and 4:4:4
  • Bit Depth 8-bit and 12-bit per component
  • Decoding process sequential (Baseline for 8-bit, Extended DCT-based subset for 12-bit).

    Hierarchical/progressive decoding is not supported.

  • Data format interleaved
  • Restart markers are supported
The following table describes the VCU2 decoder block maximum supported bit rates.
Table 2. VCU2 Decoder Maximum Supported Bit Rates
Standard Level Profile Maximum Bit Rate (Mb/s)
H.264 (AVC) 4.2 (1920x1080 at 60 fps) Baseline, Main 50
High 62.5
High 10 150
High 4:2:2 200
High 4:4:4 200

5.2 (3840x2160 at 60 fps)

6.0 (4096x2160 at 60 fps)

Baseline, Main 240
High 300
High 10 500
High 4:2:2 500
High 4:4:4 500
H.265 (HEVC) 4.1 (1920x1080 at 60 fps) High Tier

(for Intra only MaxBR is *2)

Main, Main 10 50
Main 12 75
Main 4:2:2 10 83
Main 4:2:2 12 100
Main 4:4:4 10 125
Main 4:4:4 12 150
5.1 (3840x2160 at 60 fps) High Tier

6.0 (4096x2160 at 60 fps)

(for Intra only MaxBR is *2 up to MaxBR<)

Main, Main 10 160
Main 12 240
Main 4:2:2 10 266
Main 4:2:2 12 320
Main 4:4:4 10 400
Main 4:4:4 12 480