uncompressed sound / stream compressed sound

[Antoine Martin]

Tracker ticket for existing changes:

• r12703 adds raw+gdp: uncompressed raw sound data with gdp container
• r12704 adds wav+lz4, wav+lzo, raw+gdp+lz4 and raw+gdp+lzo

These can be useful on high bandwidth networks.
The stream compressors compress very badly, as they are not designed to compress sound data, but:

• they're superfast
• they can compress silence very efficiently - which does happen a lot

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@afarr: I doubt that you will want to use any of these, feel free to close

[Antoine Martin]

Cleanups are included as part of #1204.

[alas]

Good to be aware of... especially if I see issues with compressed silence.

Closing.

[Antoine Martin]

Milestone renamed