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29 Commits

Author SHA1 Message Date
Michael Niedermayer
5db23c07a3 Merge commit '95c0cec03acec0a80cc1c7db48f3b2355d9e767b' 
* commit '95c0cec03acec0a80cc1c7db48f3b2355d9e767b':
  idctdsp: Add global function pointers for {add|put}_pixels_clamped functions

Conflicts:
	libavcodec/arm/idctdsp_init_arm.c
	libavcodec/dct.h
	libavcodec/idctdsp.c
	libavcodec/jrevdct.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-09-03 03:19:40 +02:00
Diego Biurrun
95c0cec03a idctdsp: Add global function pointers for {add|put}_pixels_clamped functions 
These function pointers already existed in the ARM code. Adding them globally
allows calls to the function pointers to access arch-optimized versions of the
functions transparently.
 2014-09-02 14:41:13 -07:00
Katerina Barone-Adesi
e50ae60d46 avcodec/fate-idct8x8: Defined behavior: eliminate negative left-shifts. 
The original code left-shifts negative values, which is undefined
in the C99 specification (the one used during normal FFmpeg compilation).
This change multiplies by (1 << shift), which is functionally equivalent,
but has defined behavior.
With this change, fate-idct8x8 compiled with --fsanitize=undefined works.

Bug-Id: 686

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

The assembly generated by gcc is unchanged by this commit
 2014-05-20 04:21:06 +02:00
Michael Niedermayer
5cfc0ae825 Merge remote-tracking branch 'qatar/master' 
* qatar/master:
  dsputil: Move fdct function declarations to dct.h

Conflicts:
	libavcodec/dsputil.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-09 14:45:45 +01:00
Diego Biurrun
5d3d39c72e dsputil: Move fdct function declarations to dct.h 2013-02-09 00:08:28 +01:00
Michael Niedermayer
ac8987591f Merge commit '88bd7fdc821aaa0cbcf44cf075c62aaa42121e3f' 
* commit '88bd7fdc821aaa0cbcf44cf075c62aaa42121e3f':
  Drop DCTELEM typedef

Conflicts:
	libavcodec/alpha/dsputil_alpha.h
	libavcodec/alpha/motion_est_alpha.c
	libavcodec/arm/dsputil_init_armv6.c
	libavcodec/bfin/dsputil_bfin.h
	libavcodec/bfin/pixels_bfin.S
	libavcodec/cavs.c
	libavcodec/cavsdec.c
	libavcodec/dct-test.c
	libavcodec/dnxhdenc.c
	libavcodec/dsputil.c
	libavcodec/dsputil.h
	libavcodec/dsputil_template.c
	libavcodec/eamad.c
	libavcodec/h264_cavlc.c
	libavcodec/h264idct_template.c
	libavcodec/mpeg12.c
	libavcodec/mpegvideo.c
	libavcodec/mpegvideo.h
	libavcodec/mpegvideo_enc.c
	libavcodec/ppc/dsputil_altivec.c
	libavcodec/proresdsp.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-01-23 17:44:56 +01:00
Diego Biurrun
88bd7fdc82 Drop DCTELEM typedef 
It does not help as an abstraction and adds dsputil dependencies.

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
 2013-01-22 18:32:56 -08:00
Michael Niedermayer
70d54392f5 lowres2 support. 
The new lowres support is limited to decoders where lowres decoding
is possible in high quality.
I was not able to measure any speed difference, but if one is found
the 2-3 lines that might affect speed can be made compile time conditional

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-04-22 22:26:55 +02:00
Mans Rullgard
2bcbd98459 Remove lowres video decoding 
This feature is complex, of questionable utility, and slows down
normal decoding.

Signed-off-by: Mans Rullgard <mans@mansr.com>
 2012-04-21 18:56:19 +01:00
Martin Storsjö
c8e1b2fbc9 libavcodec: Add ff_ prefix to j_rev_dct* 
Signed-off-by: Martin Storsjö <martin@martin.st>
 2012-02-15 22:06:46 +02:00
Diego Biurrun
ce33320b30 Remove redundant filename self-references inside files. 
Filenames are brittle across renames and add no useful information.
 2011-11-08 17:52:56 +01:00
Diego Biurrun
ba87f0801d Remove explicit filename from Doxygen @file commands. 
Passing an explicit filename to this command is only necessary if the
documentation in the @file block refers to a file different from the
one the block resides in.

Originally committed as revision 22921 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-04-20 14:45:34 +00:00
Michael Niedermayer
dd08de11f6 Remove unused assignment from j_rev_dct() found by CSA. 
Originally committed as revision 18558 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-17 14:43:28 +00:00
Michael Niedermayer
72619760f0 Remvoe useless assignment found by CSA. 
Originally committed as revision 18551 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-17 13:59:07 +00:00
Diego Biurrun
bad5537e2c Use full internal pathname in doxygen @file directives. 
Otherwise doxygen complains about ambiguous filenames when files exist
under the same name in different subdirectories.

Originally committed as revision 16912 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-02-01 02:00:19 +00:00
Diego Biurrun
245976da2a Use full path for #includes from another directory. 
Originally committed as revision 13098 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-05-09 11:56:36 +00:00
Diego Biurrun
73c42241b4 Add copyright notice from the Independent JPEG Group instead of referring 
to a README we don't include.

Originally committed as revision 6157 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-09-03 16:15:29 +00:00
Diego Biurrun
bb270c0896 COSMETICS: tabs --> spaces, some prettyprinting 
Originally committed as revision 4764 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-12-22 01:10:11 +00:00
Diego Biurrun
115329f160 COSMETICS: Remove all trailing whitespace. 
Originally committed as revision 4749 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-12-17 18:14:38 +00:00
Michael Niedermayer
f06afd698b porting optimizations from 4x4 dct to 8x8 
Originally committed as revision 3515 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-09-26 17:36:53 +00:00
Michael Niedermayer
affbf0435a optimizing 4x4 idct 
Originally committed as revision 3514 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-09-26 16:33:39 +00:00
Michael Niedermayer
1aa8c57b4a 1/8 resolution decoding 
Originally committed as revision 3511 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-09-26 10:01:40 +00:00
Michael Niedermayer
9ca358b951 1/4 resolution decoding 
Originally committed as revision 3509 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-09-26 00:18:12 +00:00
Michael Niedermayer
178fcca848 1/2 resolution decoding 
Originally committed as revision 3507 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-09-25 23:18:58 +00:00
Michael Niedermayer
983e3246b7 per file doxy 
Originally committed as revision 1634 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-03-06 11:32:04 +00:00
Zdenek Kabelac
0c1a9edad4 * UINTX -> uintx_t INTX -> intx_t 
Originally committed as revision 1578 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-02-11 16:35:48 +00:00
Zdenek Kabelac
cd4af68ad5 * started to cleanup name clashes for onetime compilation 
Originally committed as revision 617 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2002-05-27 16:42:14 +00:00
Fabrice Bellard
13b5475264 permuted coefs in normal IDCT to avoid having different cases there 
Originally committed as revision 47 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2001-08-07 22:45:35 +00:00
Fabrice Bellard
de6d9b6404 Initial revision 
Originally committed as revision 5 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2001-07-22 14:18:56 +00:00