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* sbcenc: add armv6 and neon asm optimizationsAurelien Jacobs2018-03-071-0/+1
| | | | This was originally based on libsbc, and was fully integrated into ffmpeg.
* sbcenc: add MMX optimizationsAurelien Jacobs2018-03-071-0/+2
| | | | | | | | This was originally based on libsbc, and was fully integrated into ffmpeg. Rough speed test: C version: speed= 592x MMX version: speed= 785x
* sbc: implement SBC encoder (low-complexity subband codec)Aurelien Jacobs2018-03-071-0/+83
This was originally based on libsbc, and was fully integrated into ffmpeg.