NDI Encoding Support Matrix
Codec
SpeedHQ0 4:2:0
SpeedHQ2 4:2:2
SpeedHQ7 4:2:2:4
HX (v1) H.264 4:2:0
HX (v2) H.264 4:2:0
HX (v2) H.265 4:2:0
HX3 H.264 4:2:0
HX3 H.265 4:2:0
FPGA Encoding²
YES
YES
NO
NO
NO
NO
NO
NO
FPGA Decoding
YES
YES
YES
NO
NO
NO
NO
NO
Hardware Video Encoder (VCU)
NO
NO
NO
YES
YES
YES
YES
YES
Hardware Video Decoder
NO
NO
NO
*
YES
YES
YES
YES
Software Encoding
YES
YES
YES
NO
Software E
YES
YES
YES
The FPGA implementations include a SpeedHQ codec in the FPGA fabric for speed, but can also use the same software codec as the regular SDK. Typically, the ARM CPU cores on the FPGA+SoC devices are slow enough that decoding video in software is impractical, but this is gradually changing as everything gets faster. (Charles Steinkuehler)
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