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• How can i forcing current frame to be encoded as intra frame using libavcodec

  14 avril 2021, par pensir

  I want to change gop dynamic to adapt to player. Smaller gop help for reduce first screen cost ; Big gop help to reduce bitrate to save bandwidth.

  


  I found nvenc has a function which can solve the problem above.
https://docs.nvidia.com/video-technologies/video-codec-sdk/nvenc-video-encoder-api-prog-guide/#forcing-current-frame-to-be-encoded-as-intra-frame

  


  But I'm using ffmpeg. Is there any similar function in ffmpeg ?

  


• Is it possible to change a google cloud function from Ubuntu 22 (default image) to Ubuntu 18 ?

  19 octobre 2023, par Asher A

  I created a google cloud function via the Firebase CLI. I wasn't initially aware of which runtime environment the function (2nd generation) I created would be running on, however, I noticed that it didn't have ffmpeg installed so I tried looking for the actual runtime env. I then encountered this : https://cloud.google.com/functions/docs/reference/system-packages#requesting_a_package and through additional searches understood that the default base image is now ubuntu 22 which doesn't have ffmpeg -> so I tried checking if I could switch back to Ubuntu 18 (I haven't figured out how, or if it's possible at all). Is it possible to switch images or at least installing ffmpeg in the runtime I'm using ?

  


• Edit ffmpeg arguments while playing

  12 mars 2019, par C0d0r

  I am building a client (discord.js) that plays music from youtube. Before the client starts playing the ffmpeg-arguments (filters etc.) can be edited and piped into the stream. I use prism-media (npm) to define the args.

  My Question : How is it possible to edit these arguments while the client is playing ? f.ex. disable in the middle of a song etc...

  The code basically looks like in the Readme example on github : https://github.com/amishshah/prism-media/tree/dev