Hi all My humble opinion(s) and plan(s) about SDR
FFmpeg as a multimedia framework should support SDR. The only practical way to support SDR in FFmpeg ATM is through a demuxer (or equivalent) Not everyone is happy about a SDR demuxer. The "active" code could be in the demuxer itself or an external library. I think the 2 important factors for external vs internal are 1. Does it support features beyond what a multimedia framework needs? 2. How many active developers work on it If we support just audio and video (de)modulation it fits nicely in FFmpeg maybe we should consider improving the APIs we have so we have better places than demuxers for functionality like this, but thats a long term goal that requires a team effort or a dedicated volunteer. Its not a bad idea at all and I certainly am in favor for improving the APIs. OTOH if we support things beyond audio/video, maybe wifi packets, bluetooth and so forth then SDR should be a seperate library. Also this choice is not a constant, we can easily start out inside libavformat and * if sdrdemux grows beyond what makes sense in FFmpeg split it out into an external libraray * if APIs in FFmpeg evolve so that other places become possible, move it into libavfilter or whatever other place fits better What i would suggest is: * get the current code or revission of it into the git master branch as a demuxer. * see how many people enjoy working on SDR and how far these people want to take it * keep an open mind about the future of this code, and move it elsewhere when it makes sense to do so. * ATM i think incubating this SDR stuff in FFmpeg and have it grow makes more sense than having it in a seperate place and a demuxer in FFmpeg depending on that. PS: Also something like plugins would help for things like this. As one could then maintain code like a sdr-demuxer outside the main repository. So noone who doesnt like it needs to touch it in any way while users who want it can easily enable it ... Thx -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB When you are offended at any man's fault, turn to yourself and study your own failings. Then you will forget your anger. -- Epictetus
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