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Use 6 instead of 4 sessions to verify, as nvidia increased limit to 5

Jai Luthra 2023-03-24 22:59:15 +05:30
parent 55a2fc329b
commit 4cdc72a0f7
1 changed files with 10 additions and 6 deletions
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16
Verify-NVENC-patch.md

@ -3,11 +3,13 @@ From [@lars18th](https://github.com/keylase/nvidia-patch/issues/491) and [@relox
### Linux
```
ffmpeg -y -vsync 0 -hwaccel cuda -hwaccel_output_format cuda \
-f lavfi -i testsrc -t 50 \
-vf hwupload -c:a copy -c:v h264_nvenc -b:v 4M -f null - \
-vf hwupload -c:a copy -c:v h264_nvenc -b:v 1M -f null - \
-vf hwupload -c:a copy -c:v h264_nvenc -b:v 8M -f null - \
-vf hwupload -c:a copy -c:v h264_nvenc -b:v 6M -f null -
-f lavfi -i testsrc -t 50 \
-vf hwupload -c:a copy -c:v h264_nvenc -b:v 4M -f null - \
-vf hwupload -c:a copy -c:v h264_nvenc -b:v 1M -f null - \
-vf hwupload -c:a copy -c:v h264_nvenc -b:v 8M -f null - \
-vf hwupload -c:a copy -c:v h264_nvenc -b:v 6M -f null - \
-vf hwupload -c:a copy -c:v h264_nvenc -b:v 5M -f null - \
-vf hwupload -c:a copy -c:v h264_nvenc -b:v 7M -f null -
```
This only requires to have installed a recent ffmpeg version compiled with nvenc enabled. Almost all distributions have it now.
@ -21,7 +23,9 @@ ffmpeg.exe -y -hwaccel cuda -hwaccel_output_format cuda ^
-vf hwupload -fps_mode passthrough -c:a copy -c:v h264_nvenc -b:v 4M -f null - ^
-vf hwupload -fps_mode passthrough -c:a copy -c:v h264_nvenc -b:v 1M -f null - ^
-vf hwupload -fps_mode passthrough -c:a copy -c:v h264_nvenc -b:v 8M -f null - ^
-vf hwupload -fps_mode passthrough -c:a copy -c:v h264_nvenc -b:v 6M -f null -
-vf hwupload -fps_mode passthrough -c:a copy -c:v h264_nvenc -b:v 6M -f null - ^
-vf hwupload -fps_mode passthrough -c:a copy -c:v h264_nvenc -b:v 5M -f null - ^
-vf hwupload -fps_mode passthrough -c:a copy -c:v h264_nvenc -b:v 7M -f null -
```
## Output