[FFmpeg-user] A question of hwupload_cuda usage

[Dennis Mungai]

Hello there,

The hwupload_cuda has an option for a device option, which can be called up
via:

hwupload_cuda=device=n where n would be a device index listed by nvidia-smi.

Can one get away without explicitly passing the device option to the
filter, if, in ffmpeg, a global hwaccel_device is specified?

The hwupload filter follows this rule. So does the same apply to the
hwupload_cuda filter?

For instance, this user is able to get a specific device selection working
by passing the device option to hwupload_cuda filter only without
specifying a global hwaccel_device
https://ffmpeg.org/pipermail/ffmpeg-user/2017-November/037765.html