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7 Commits

Author SHA1 Message Date
Justin Ruggles
384dbd617f cosmetics related to LPC changes. 
Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit 1c189fc533)
 2011-01-23 19:32:06 +01:00
Justin Ruggles
7101b18508 Separate window function from autocorrelation. 
Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit 77a78e9bdc)
 2011-01-23 19:32:06 +01:00
Justin Ruggles
0d8837bdda Move lpc_compute_autocorr() from DSPContext to a new struct LPCContext. 
Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit 56f8952b25)
 2011-01-23 19:32:06 +01:00
Ramiro Polla
a4ece893e1 lpc_mmx: add xmm registers to clobber list 
Originally committed as revision 25620 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-10-31 23:37:15 +00:00
Ramiro Polla
e5d5407e26 lpc_mmx: merge some asm blocks 
These blocks depended on the compiler keeping xmm registers untouched between
them.

Originally committed as revision 25619 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-10-31 23:36:26 +00:00
Reimar Döffinger
4a1289450a Reduce number of ASM constraints for ff_lpc_compute_autocorr_sse2 since it 
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
 2010-01-02 17:48:08 +00:00
Justin Ruggles
fde82ca7e4 Move autocorrelation function from flacenc.c to lpc.c. Also rename the 
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
 2009-10-17 21:00:39 +00:00