--param force-lavd-decoder no longer valid

[MartinPulec]

Discussed in https://github.com/CESNET/UltraGrid/discussions/236

^{Originally posted by **alatteri** July 17, 2022} force-lavd-decoder no longer seems to be a valid parameter. I am unsure how I am supposed to force decoding offload to an Nvidia card (hevc_cuvid). I don't see an alternative to enabling this. ``` [2022-07-16 19:57:56] Unknown parameter: force-lavd-decoder [2022-07-16 19:57:56] Type 'uv --param help' for list. [2022-07-16 19:57:56] common_preinit() failed! ```

[MartinPulec]

Thanks @alatteri for reporting -- yes, I've made some modifications in the early initialization code and this is perhaps a regression, most likely no --param actually works.

[MartinPulec]

This should be fixed now. It was a regression, indeed. (It is a bit egg-chicken problem.)

[alatteri]

I'm still getting this.

[2022-07-18 09:07:00] UltraGrid 1.7+ (master rev e561e45 built Jul 18 2022 09:03:48) [2022-07-18 09:07:00] [2022-07-18 09:07:00] Unknown parameter: alsa-playback-buffer=72000 [2022-07-18 09:07:00] Type 'uv --param help' for list.

[alatteri]

and this

[2022-07-18 09:15:29] UltraGrid 1.7+ (master rev e561e45 built Jul 18 2022 09:03:48) [2022-07-18 09:15:29] [2022-07-18 09:15:29] Unknown parameter: audio-buffer-len=1000 [2022-07-18 09:15:29] Type 'uv --param help' for list.

[alatteri]

and this

[2022-07-18 09:35:29] UltraGrid 1.7+ (master rev e561e45 built Jul 18 2022 09:03:48) [2022-07-18 09:35:29] [2022-07-18 09:35:29] Unknown parameter: force-lavd-decoder=hevc_cuvid [2022-07-18 09:35:29] Type 'uv --param help' for list.

[MartinPulec]

Thanks a lot for reporting again. Mea culpa, didn't test completely (just "help"). The original fix was not sufficient, there were further 2 little bugs. I hope that it should be fixed now.

[alatteri]

I concur. This looks fixed now. Thank you.