[FFmpeg-user] Need to reduce size of ffmpeg.exe for version 5.0.1

Ferdi Scholten ferdi at sttc-nlp.nl
Tue Oct 4 10:04:15 EEST 2022

Hi Team,
> We are working on a prototype which converts RTSP streams to HLS using ffmpeg transcoder.
> We are using below ffmpeg command to convert RTSP to HLS :
> cmd:-
> ffmpeg.exe -rtsp_transport tcp -re -i rtsp://<username>:<rtsp://root:><password>@<mailto:root at>:554/axis-media/media.amp?videocodec=h264 -c:v libx264 -crf 21 -preset veryfast -c:a aac -ac 2 -f hls -hls_flags delete_segments -hls_list_size 4 -hls_time 1 -g 5 -sc_threshold 0 -hls_playlist_type event C:\Users\Niagara4.13\tridium\stations\HLSTest\shared\vids\-514225936\stream.m3u8
> We downloaded "ffmpeg.exe(5.0)" from https://www.videohelp.com/software/ffmpeg .  We are also using FFmpeg 5.0.1 "Lorentz" (https://ffmpeg.org/download.html) libraries in our project.
> Can somebody help me answering below questions :
> 1. Can we reduce the size of ffmpeg.exe ? Any idea how can we create a smaller ffmpeg.exe which should be able to run only above command  to convert RTSP to HLS? (as its size is 110 mb+ so it is difficult to ship it with our product).
Yes, compile it yourself with only the external libraries and features 
you need. My version of 5.1 for my needs is 45 MB.
> 2. Is there a way to run above ffmpeg command using "dll files" or other alternative instead of using "ffmpeg.exe"
check out the documentation of the libraries and API here: 
> Regards,
> Rahul K
> Honeywell
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