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10 Commits

Author SHA1 Message Date
Michael Niedermayer
90f674d55b Merge commit '87ec849fe9acba075c843e67bcd01f256f481a18' 
* commit '87ec849fe9acba075c843e67bcd01f256f481a18':
  dcadec: remove scaling in lfe_interpolation_fir

Conflicts:
	libavcodec/dcadec.c
	libavcodec/dcadsp.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-02-28 18:14:12 +01:00
Christophe Gisquet
87ec849fe9 dcadec: remove scaling in lfe_interpolation_fir 
The scaling factor is constant so it is faster to scale the
FIR coefficients in the tables during compilation.

Signed-off-by: Janne Grunau <janne-libav@jannau.net>
 2014-02-28 13:00:47 +01:00
Michael Niedermayer
5794e9fce2 Merge remote-tracking branch 'qatar/master' 
* qatar/master:
  dcadsp: split lfe_dir cases

Conflicts:
	libavcodec/arm/dcadsp_init_arm.c

See: 45854df9a5
Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-02-08 02:27:27 +01:00
Christophe Gisquet
5fdbfcb5b7 dcadsp: split lfe_dir cases 
The x86 runs short on registers because numerous elements are not static.
In addition, splitting them allows more optimized code, at least for x86.

Arm asm changes by Janne Grunau.

Signed-off-by: Janne Grunau <janne-libav@jannau.net>
 2014-02-07 22:54:18 +01:00
Martin Storsjö
69e6702c01 arm: Mangle external symbols properly in new vfp assembly files 
Signed-off-by: Martin Storsjö <martin@martin.st>
 2013-07-22 14:48:30 +03:00
Martin Storsjö
47d57f24e3 arm: Mangle external symbols properly in new vfp assembly files 
Reviewed-by: Kostya Shishkov
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-07-22 13:16:21 +02:00
Michael Niedermayer
23f250d2bc Merge remote-tracking branch 'qatar/master' 
* qatar/master:
  arm: Add VFP-accelerated version of qmf_32_subbands

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-07-22 12:11:23 +02:00
Michael Niedermayer
bacba8e5d1 Merge commit 'ba6836c966debc56314ce2ef133c7f0c1fdfdeac' 
* commit 'ba6836c966debc56314ce2ef133c7f0c1fdfdeac':
  arm: Add VFP-accelerated version of dca_lfe_fir

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-07-22 12:04:28 +02:00
Ben Avison
ff30d12159 arm: Add VFP-accelerated version of qmf_32_subbands 
Before           After
               Mean    StdDev   Mean    StdDev  Change
This function   1323.0  98.0      746.2  60.6   +77.3%
Overall        15400.0 336.4    14147.5 288.4    +8.9%

Signed-off-by: Martin Storsjö <martin@martin.st>
 2013-07-22 10:15:44 +03:00
Martin Storsjö
ba6836c966 arm: Add VFP-accelerated version of dca_lfe_fir 
Before           After
               Mean    StdDev   Mean    StdDev  Change
This function    868.2  33.5      436.0  27.0   +99.1%
Overall        15973.0 223.2    15577.5  83.2    +2.5%

Signed-off-by: Martin Storsjö <martin@martin.st>
 2013-07-22 10:15:39 +03:00