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NVIDIA VIDEO ENCODER

 

 

Max # of concurrent sessions(編碼任務)

Total # of NVENC

參考

https://developer.nvidia.com/video-encode-and-decode-gpu-support-matrix-new

NVIDIA VIDEO CODEC SDK 11 僅支援 3 concurrent sessions編碼任務

NVIDIA VIDEO CODEC SDK 12.1 (驅動531.61)提升到5 concurrent sessions編碼任務

 

參考表三各代晶片編碼能力

 

以P1 CBR LL Turing 舉例

在SDK 11 僅3個編碼任務,編碼:

1080P 60 OK

1080P60 OK

1080P60 OK

1080P60 FAIL

SDK 12.1 可5個編碼任務

1080P 60 OK

1080P60 OK

1080P60 OK

1080P60 OK

1080P60 OK

1080P60 FAIL

 

編碼能力受晶片能力限制

1080P240 OK

1080P240 OK

1080P240 OK

1080P240 FAIL

240*4=960大於787FPS 能力

 

 

 

Intel 未限制編碼任務數量

Intel ARC A770 使用Capture Studio x64 1.5.1.56,可7路1080P60 40M,

8路時會掉FPS(57Fps)。