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23 Commits

Author SHA1 Message Date
Nedeljko Babic
1fae268307 libavutil/softfloat: Add functions. 
Functions av_gt_sf, av_sqrt_sf and av_sincos_sf added to softfloat

Signed-off-by: Nedeljko Babic <nedeljko.babic@imgtec.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2015-04-30 15:05:12 +02:00
Nedeljko Babic
7bab281475 libavutil/softfloat: Added av_normalize_sf in av_add_sf 
This will normalize sums for which mantissa is smaller than the lower boundary
(needed for implementation of fixed point aac decoder).

Signed-off-by: Nedeljko Babic <nedeljko.babic@imgtec.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2015-04-30 14:53:09 +02:00
Nedeljko Babic
a1c7fe431c libavutil/softfloat: exponent adjusted for aac fixed point dec 
Exponent usage and calculation in softfloat adjusted to the format used in
implementation of fixed point aac decoder.

Signed-off-by: Nedeljko Babic <nedeljko.babic@imgtec.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2015-04-30 14:20:28 +02:00
Michael Niedermayer
a3110beebd avutil/softfloat: document av_int2sf() 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2015-04-25 14:51:02 +02:00
Nedeljko Babic
f4ccf38902 libavutil/softfloat: Change order of fields in SoftFloat structure. 
Softfloat will be used in implementation of AAC fixed point decoder.
This change is needed in order to more easily integrate ffmpegs softfloat in
already developed algorithm for AAC.

Signed-off-by: Nedeljko Babic <nedeljko.babic@imgtec.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2015-04-15 18:53:55 +02:00
Michael Niedermayer
171d971dbf avutil/softfloat: Fix undefined shift in av_add_sf() 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-10-10 19:36:12 +02:00
Michael Niedermayer
99afec08f8 avutil/softfloat: add some asserts 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-10-09 17:02:59 +02:00
Michael Niedermayer
44198a728d avutil/softfloat: Fix dependence on signed overflow in av_normalize1_sf() 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-10-09 16:52:56 +02:00
Diego Biurrun
89c9ff504b spelling/grammar/consistency review part I 
Originally committed as revision 16840 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-01-28 00:16:05 +00:00
Stefano Sabatini
987903826b Globally rename the header inclusion guard names. 
Consistently apply this rule: the guard name is obtained from the
filename by stripping the leading "lib", converting '/' and '.'  to
'_' and uppercasing the resulting name. Guard names in the root
directory have to be prefixed by "FFMPEG_".

Originally committed as revision 15120 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-08-31 07:39:47 +00:00
Diego Biurrun
ca74c0a180 cosmetics: Fix two common typos: wont --> will not, lets --> let us. 
Originally committed as revision 14372 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-07-24 17:09:28 +00:00
Måns Rullgård
3540b950ec add missing #include "common.h" to libavutil headers 
Originally committed as revision 12502 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-03-19 08:47:31 +00:00
Zuxy Meng
85074d3c93 Reapply r12489: Add pure, const and malloc attributes to proper functions 
in libavutil.
Fix a compilation failure in r12489.

Originally committed as revision 12498 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-03-19 06:17:43 +00:00
Benoit Fouet
2119bb8f51 revert r12489. 
Originally committed as revision 12490 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-03-18 16:29:47 +00:00
Zuxy Meng
6544f48f03 Pure, const and malloc attributes to libavutil. 
Patch by Zuxy Meng: zuxy meng gmail com
Original thread:
[FFmpeg-devel] [PATCH] Pure, const and malloc attributes to libavutil
Date: 03/18/2008 6:09 AM

Originally committed as revision 12489 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-03-18 15:27:15 +00:00
Diego Biurrun
5b21bdabe4 Add FFMPEG_ prefix to all multiple inclusion guards. 
Originally committed as revision 10765 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-10-17 09:37:46 +00:00
Diego Biurrun
e5a389a1b7 license header consistency cosmetics 
Originally committed as revision 9484 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-07-05 10:40:25 +00:00
Guillaume Poirier
efb775777f add a comment to indicate which #endif belong to which #define 
Originally committed as revision 9356 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-06-17 18:59:28 +00:00
Måns Rullgård
699b3f99d0 add multiple inclusion guards to headers 
Originally committed as revision 9345 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-06-17 00:01:30 +00:00
Måns Rullgård
99545457bf include all prerequisites in header files 
Originally committed as revision 9344 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-06-16 22:59:13 +00:00
Diego Biurrun
b78e7197a8 Change license headers to say 'FFmpeg' instead of 'this program/this library' 
and fix GPL/LGPL version mismatches.

Originally committed as revision 6577 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-10-07 15:30:46 +00:00
Diego Biurrun
af41dd8216 Exchange informal LGPL notice by official license header. 
Originally committed as revision 6164 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-09-04 09:31:30 +00:00
Michael Niedermayer
a2fd60437d floating point "emulation" code 
unused currently, but might come in handy for some fpu-less cpus

Originally committed as revision 5955 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-08-08 07:58:10 +00:00