Replace speex with opus

[jushar]

Speex was deprecated years ago because opus is in all respects better.

Since this change introduces breaking changes (voice packets are totally different), we have to merge this in a major version.

• [x] Replace portaudio in favour of using BASS for recording
• [ ] Use opus

If anyone has interest in finishing this, feel free to do so!

[patrikjuvonen]

I started working on finishing this a while back at https://github.com/patrikjuvonen/mtasa-blue/tree/libopus but had some memory related crashes at the time, I'll try to look at this one again.

[prnxdev]

Can't wait to see this working

[Dutchman101]

Since this change introduces breaking changes (voice packets are totally different), we have to merge this in a major version.

Do you think we can get this ready for 1.6?

[github-actions[bot]]

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[Wannacry-ops]

Opus Opus