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I am wondering if it would be possible to merge two videos (side by side) without transcoding. The streams are identical except the pictures are different. Think IP cameras on a LAN.

I am on a platform where I dont have compute power for real transcoding.

The codecs I am interested in is h264 and h265.

I am thinking something a long the lines of:

  1. modify size of video plane of video A.
  2. add data from video B to video A while adding offsets.

If you know of projects that has done this I would appreciate a pointer.

kind regards

jesper

TAXfromDK
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  • Where are you playing these videos (output destination)? Can they not just be shown side-by-side by the playback system? PS: In H264 you cannot just expand the video plane. There is too much going on within the H264 bytes so it's not easy to edit like that. – VC.One Jan 20 '23 at 15:37
  • Thank you for your response. :) I am aware that I can achieve the end result with multiple players. I have done so in multiple projects. The reason this is interresting to me is that the possibility would open some interresting possibilities. *Some systems I work with can only accept a single video. *Syncing between videos would be "taken care of". *It could potentially be fast and lossless. *It could potentially be done on a small device where transcoding would not be possible. – TAXfromDK Jan 21 '23 at 16:29

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