Driver does not support the required nvenc API version.

[gokaybiz]

[hevc_nvenc @ 0x560aa0890480] Driver does not support the required nvenc API version. Required: 9.1 Found: 9.0
[hevc_nvenc @ 0x560aa0890480] The minimum required Nvidia driver for nvenc is 435.21 or newer
Error initializing output stream 0:0 -- Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height

CHECK GPU OUTUT:
Tesla P100-PCIE-16GB
The Tesla T4 and P100 are fast and support hardware encoding. The K80 and P4 are slower.
Sometimes resetting the instance in the 'runtime' tab will give you a different GPU.

[mikeouwen]

Same here.

[avadam21]

Same.

[gokaybiz]

Just doesn't update ffmpeg, it will be ok.

[avadam21]

Just doesn't update ffmpeg, it will be ok.

How can we not update ffmpeg in colab?

[sapph1re]

Had the same issue.
Figured the previous version by: apt-cache policy ffmpeg
Then installed the previous one in the list by changing the apt-fast install line:
ffmpeg to ffmpeg=7:3.4.6-0ubuntu0.18.04.1
It solved the issue for now.

[bigtrace]

still now working:

E: Version '7:3.4.6-0ubuntu0.18.04.1' for 'ffmpeg' was not found
Package manager quit with exit code.
/bin/bash: youtube-dl: command not found

[Jerchongkong]

Fix ffmpeg
It might help someone., In the latest versions of ffmpeg you cannot use nvenc under collab GPUs, so you must install a specific version of ffmpeg.
In a new code cell you must paste this and run it:

%cd /content/
!wget http://lliurex.net/bionic/pool/universe/f/ffmpeg/ffmpeg_3.4.2-2_amd64.deb
!sudo apt install ./ffmpeg_3.4.2-2_amd64.deb
!rm ./ffmpeg_3.4.2-2_amd64.deb

With this all problems must be solved.