It allows you to convert between different encoding formats, in addition to editing video and audio files in a number of ways. Simply put, FFmpeg is an open source video and audio processing tool.
Converting multiple files in a directory. In this blog post I’ll gently introduce you to ffmpeg and how it can help you with converting and editing your files! Here’s a quick index of the topics we’ll tackle: Getting started with FFmpeg On top of that, platforms (such as Twitter) have very strict format rules for things you want to upload, this makes it crucial to have an easy way to manage and convert different files to different formats at will. But it doesn't seem that important as far as I can tell.“This file format is not supported!” If you’ve ever received a notification like this, and you create content on a regular basis, then this blog post is probably for you!īeing a creative of any sort in this digital age, requires you to juggle a variety of different file formats across different platforms. Impossible to convert between the formats supported by the filter 'Parsed_scale_npp_0' and the filter 'auto_scaler_0' Error reinitializing filters! Failed to inject frame into filter network: Function not implemented Error while processing the decoded data for stream #0:0 Conversion failed!Īlso there's things like hardware upload and download which I can't figure out. This code ffmpeg -y -hwaccel cuvid -i INPUT c:a copy -c:v hevc_nvenc -vf "scale_npp=w=1920:h:-1:format=yuv420p:force_original_aspect_ratio=decrease,pad=1920:1080:(ow-iw)/2:(oh-ih)/2" OUTPUT 
This code can't leave the video as it is if it's smaller than FHD. I'm not sure if I'm going to have problems using -hwaccel cuvid and nvenc but it seems to work fine. ffmpeg -y -hwaccel cuvid -i INPUT -c:a copy -c:v hevc_nvenc -vf "scale_npp=1920:1080" OUTPUT I want to use something like this -filter:v "scale='min(1920,iw)':min'(1080,ih)':force_original_aspect_ratio=decrease,pad=1920:1080:(ow-iw)/2:(oh-ih)/2"īut I've only gotten a very limited version of it to work.
I have a 1070 with a recently compiled version of ffmpeg with just about everything enabled. (Not sure about OpenCL but it probably can) I'm aware that Scale_Cuda, Scale_NPP and Vulkan that can do this. Software filters take forever, and since my encodes use nvenc anyway I thought I might as well give gpu resizing a shot.
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