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[ps3guy]

(26-06-2017 05:19)simoncn Wrote:  

(19-06-2017 15:42)ps3guy Wrote:  I am currently using the sox options within ffmpeg, but would like to be able to use the full sox binary and other programs like brutefir, etc.

MinimServer uses ffmpeg/avconv for transcoding between different audio formats and sample rates. The convOut option in stream.options provides support for using other ffmpeg filters and was added because it was simple to implement as an add-on to the existing transcoding usage.

Adding support for calling sox or brutefir directly (with or without also calling ffmpeg for transcoding) would be a lot more work to implement and would require a very compelling justification. As an example of the issues this would raise, the options passed to sox or brutefir would need to be constrained so that there is no interference with any other functionality of MinimServer/MinimStreamer. Can you provide details of the usage scenarios for which calling these programs directly would be required?

Some of the options in sox allow more control of the upsampling such as miminum phase and intermediate phase. Brutefir support would allow room correction filters to be applied. Programs like hqplayer, brick, smarc 3, etc provide better/different upsampling than sox, ideally it would be nice to be able to use anything but I'm guessing it's probably a huge undertaking and can of worms.