[FFmpeg-user] Live streaming keyframes

[Haris Zukanovic]

I am using live streaming H264/AAC as input, and need to transcode 
additional lower resolution live stream output. Also, I will passtrhu 
the input to output but I need these two to be H264 keyframe aligned 
streams to be usable as HLS, Smooth, Mpeg-dash futher downstream in my 
workflow....

My "idea" is to get ffmpeg to insert keyframes at exactly same frames 
and using equal PTS and DTS in the output as found in the input stream?
Is that doable or is there another way to do it without transcoding the 
original input which I want to remain at it's original bitrate and video 
quality?



thanx for any advice
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Haris Zukanovic