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* cosmetics related to LPC changes.Justin Ruggles2011-01-231-4/+5
| | | | | Signed-off-by: Mans Rullgard <mans@mansr.com> (cherry picked from commit 1c189fc5334d4a687b15861d81d22c8ba2c9cd5e)
* Separate window function from autocorrelation.Justin Ruggles2011-01-231-13/+6
| | | | | Signed-off-by: Mans Rullgard <mans@mansr.com> (cherry picked from commit 77a78e9bdcc589efac41da4f92a489f4523667c0)
* Move lpc_compute_autocorr() from DSPContext to a new struct LPCContext.Justin Ruggles2011-01-231-2/+12
| | | | | Signed-off-by: Mans Rullgard <mans@mansr.com> (cherry picked from commit 56f8952b252f85281317ecd3e0b04c4cae93fd72)
* lpc_mmx: add xmm registers to clobber listRamiro Polla2010-10-311-0/+2
| | | | Originally committed as revision 25620 to svn://svn.ffmpeg.org/ffmpeg/trunk
* lpc_mmx: merge some asm blocksRamiro Polla2010-10-311-9/+10
| | | | | | | These blocks depended on the compiler keeping xmm registers untouched between them. Originally committed as revision 25619 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Reduce number of ASM constraints for ff_lpc_compute_autocorr_sse2 since itReimar Döffinger2010-01-021-9/+10
| | | | | | | causes no significant speed difference and can avoid compilation issues with --enable-pic. Originally committed as revision 21003 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Move autocorrelation function from flacenc.c to lpc.c. Also rename theJustin Ruggles2009-10-171-0/+139
corresponding dsputil functions and remove their dependency on the FLAC encoder. Fixes Issue1486. Originally committed as revision 20266 to svn://svn.ffmpeg.org/ffmpeg/trunk