generic-library/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
62,189 Commits 24 Branches 241 Tags 173 MiB
419800acc4
Commit Graph

15 Commits

Author SHA1 Message Date
James Almer
63dbba655e swresample/resample: sse float linear interpolation 
About two times faster

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-03-24 02:34:02 +01:00
James Almer
fa25c4c400 swresample/resample: mmx2/sse2 int16 linear interpolation 
About three times faster

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-03-24 02:33:16 +01:00
James Almer
32291ba6ea swresample: add swri_resample_float_sse 
At least two times faster than the C version.

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-03-20 06:01:06 +01:00
James Almer
3d48cbc56c swresample: reuse COMMON_CORE asm where possible 
Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-03-18 16:08:34 +01:00
James Almer
7c8bf09edd swresample: change COMMON_CORE_INT16 asm from SSSE3 to SSE2 
pshuf+paddd is slightly faster than phaddd.
The real gain is in pre-ssse3 processors like AMD K8 and K10, which get
a big boost in performance compared to the mmxext version

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-03-18 15:00:50 +01:00
Michael Niedermayer
b8c55590d5 swr/resample: fix integer overflow, add missing cast 
The effects of this are limited to numeric errors in the output

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-04 04:05:59 +01:00
Michael Niedermayer
b6a7f66f93 resample: remove disabled debug code 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-12-06 02:51:26 +01:00
Clément Bœsch
8ea8833979 swr/resample: move templating parameters to template itself. 
It has various benefits such as allowing some refactoring, clarifying
the code in the inclusion part, and making the template understandable
in standalone.

This commit is based on the templating method used by Justin Ruggles for
libavresample.
 2012-11-15 21:24:49 +01:00
Michael Niedermayer
d53f447130 swr: move if() block into the only branch where it can be true. 
This should make the code a tiny tiny bit faster.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-11-15 12:33:40 +01:00
Michael Niedermayer
17da2d9eee swr: reorder/redesign operations to avoid integer overflow. 
This fixes a out of array read.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-11-15 12:33:40 +01:00
Michael Niedermayer
4ccf6e3971 swr: MMX2 & SSSE3 int16 resample core 
about 4 times faster

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-06-28 00:36:27 +02:00
Michael Niedermayer
0c142e4cda swr: introduce filter_alloc in preparation of SIMD resample optimisations 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-06-19 03:09:24 +02:00
Michael Niedermayer
80e857c967 swr/resample: optimize C code for the most common case 
15% speedup

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-06-19 03:09:24 +02:00
Michael Niedermayer
6e6dd9995b resample_template: use av_assert 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-06-06 20:08:57 +02:00
Michael Niedermayer
7f1ae79d38 swr: support float & int32 in the resampler 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-04-10 13:18:49 +02:00