rocJPEG chroma subsampling and hardware capabilities

rocJPEG chroma subsampling and hardware capabilities#

rocJPEG supports the following chroma subsamplings:

  • YUV 4:4:4

  • YUV 4:4:0

  • YUV 4:2:2

  • YUV 4:2:0

  • YUV 4:0:0

The following table shows the capabilities of the VCN and total number of JPEG cores for each supported GPU architecture:

GPU Architecture

VCN Generation

Total number of JPEG cores

Max width, Max height

gfx908 - MI1xx

VCN 2.5.0

2

4096, 4096

gfx90a - MI2xx

VCN 2.6.0

4

4096, 4096

gfx940, gfx942 - MI300A

VCN 3.0

24

16384, 16384

gfx941, gfx942 - MI300X

VCN 3.0

32

16384, 16384

gfx1030, gfx1031, gfx1032 - Navi2x

VCN 3.x

1

16384, 16384

gfx1100, gfx1101, gfx1102 - Navi3x

VCN 4.0

1

16384, 16384