Nvidia Nvenc Codec Download
Annegret Mclean
If your computer is out of memory or NVENC is being used by another program, you will see the "Failed to initialize codec" error message.In this case, please close all other unnecessary programs and try again. If you still have problems, you have to use another video codec such as H.264 (Intel Quick Sync video) or H.264 (CPU).If you need to use Bandicam and other programs which use NVENC (ShadowPlay, STEAM VR, OBS, etc.) at the same time, visit github.com
Just note this: I believe the problem lies between ffmpeg and nvidia driver. Not OBS itself. So it could be possible that obs set some parameters on ffmpeg which is not supported on your older GPU with a newer module or sort of. Just a thought.
This may be necessary if you compile ffmpeg against latest nv-codec-headers, but your graphics driver is of a version that does not yet handle the minimum CUDA API version required by nv-codec-headers. The symptom will be that ffmpeg will fail transcoding video streams. In my case nv-codec-headers required CUDA API 9.1, while the latest nvidia-driver for my distribution (testing) was still at a version using 9.0.
Baseline profiles do not support B-frames. To enable B-frames,pass -bf uint to the video encoder, such that -bf:v 4 would result in the encoder using 4 B-frames, and this can be dynamically tuned by the encoder by optionally enabling look-ahead, via the private codec option -rc-lookahead:v n, where n ranges between 32-40.
Here's the latest info that links aren't broken for (dated July 2020)version -video-codec-sdk-10-presets/I'm using -preset 'slow' -b:v 0, and it's pushing 20mbits on 65mbit H265 source, 1.3x realtime 32fps on 2080 4K. 'hq' would be my second choice, quite a bit faster.
As a founding member of the Alliance for Open Media, NVIDIA has worked closely with industry titans in developing the AV1 codec. This work was necessitated by gamers and online content creators who pushed the boundaries of old formats that were defined roughly 20 years ago. The previous standard for livestreaming, H.264, usually maxed out with 1080p at 60 fps at the commonly used bitrates of 6-8 Mbps, and often produced blocky, grainy images.
Next, we install tools and libraries required during the FFmpeg build.The minimum requirement is Yasm.Here we additionally install H264 video codec and HTTPS protocol,which we use later for verifying the installation.
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