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# Date Author Comment
e96682e6 05/18/2004 05:09 PM Michael Niedermayer

some of the warning fixes by (Michael Roitzsch <mroi at users dot sourceforge dot net>)

Originally committed as revision 3140 to svn://svn.ffmpeg.org/ffmpeg/trunk

f9ed9d85 04/27/2004 03:58 AM Mike Melanson

separate out put_signed_pixels_clamped() into its own function and
implement an optimized MMX version of the function

Originally committed as revision 3082 to svn://svn.ffmpeg.org/ffmpeg/trunk

116824d0 04/26/2004 12:20 AM Mike Melanson

reorganize and simplify the VP3 IDCT stuff

Originally committed as revision 3071 to svn://svn.ffmpeg.org/ffmpeg/trunk

92a69cf8 04/25/2004 04:06 AM Mike Melanson

move __align16 some place where non-MMX machines can see it

Originally committed as revision 3066 to svn://svn.ffmpeg.org/ffmpeg/trunk

38acbc3c 04/25/2004 03:33 AM Mike Melanson

hook up support for SSE2-optimized VP3 IDCT

Originally committed as revision 3064 to svn://svn.ffmpeg.org/ffmpeg/trunk

44f54ceb 04/23/2004 11:38 PM Michael Niedermayer

VIS optimized motion compensation code. by (David S. Miller <davem at redhat dot com>)
ported to ffmpeg by (ja2morri at csclub dot uwaterloo dot ca (james morrison))
useable under LGPL with their agreement

Originally committed as revision 3048 to svn://svn.ffmpeg.org/ffmpeg/trunk

68951ecf 03/13/2004 09:43 PM Gildas Bazin

fft_*() renamed into ff_fft_*() patch by (Gildas Bazin <gbazin at altern dot org>)

Originally committed as revision 2882 to svn://svn.ffmpeg.org/ffmpeg/trunk

44cb64ee 03/08/2004 02:13 AM Mike Melanson

seperated out the C-based VP3 DSP functions into a different file; also
ported the MMX-optimized versions of those functions

Originally committed as revision 2855 to svn://svn.ffmpeg.org/ffmpeg/trunk

c0a0170c 03/05/2004 06:44 PM Michael Niedermayer

fix motion compensation with (x+1/2,y+1/2) MVs

Originally committed as revision 2849 to svn://svn.ffmpeg.org/ffmpeg/trunk

364a1797 02/06/2004 02:12 AM Michael Niedermayer

quantizer noise shaping optimization

Originally committed as revision 2750 to svn://svn.ffmpeg.org/ffmpeg/trunk

8fd19ab2 01/29/2004 01:15 AM Michael Niedermayer

SSE2 fdct by (Balatoni Denes <pnis at coder dot hu>)

Originally committed as revision 2729 to svn://svn.ffmpeg.org/ffmpeg/trunk

8f2ab833 01/10/2004 04:04 PM Michael Niedermayer

copyright year update of the files i touched and remembered, things look annoyingly unmaintained otherwise

Originally committed as revision 2686 to svn://svn.ffmpeg.org/ffmpeg/trunk

622348f9 01/05/2004 10:57 PM Michael Niedermayer

interlaced dct decision cleanup
function moved to dspcontext
mmx&mmx2 optimized
change SSE -> SAD as default (better quality)
vbv buffer size command line option in kbyte

Originally committed as revision 2669 to svn://svn.ffmpeg.org/ffmpeg/trunk

e5771f4f 01/01/2004 06:02 PM Michael Niedermayer

put_pixels width comment fix

Originally committed as revision 2646 to svn://svn.ffmpeg.org/ffmpeg/trunk

7d67aa9b 12/30/2003 07:19 PM Michael Niedermayer

info about h and tpel

Originally committed as revision 2639 to svn://svn.ffmpeg.org/ffmpeg/trunk

bb198e19 12/30/2003 04:07 PM Michael Niedermayer

interlaced motion estimation
interlaced mpeg2 encoding
P & B frames
rate distored interlaced mb decission
alternate scantable support
4mv encoding fixes (thats also why the regression tests change)
passing height to most dsp functions
interlaced mpeg4 encoding (no direct mode MBs yet)...

9a197a24 12/03/2003 10:23 PM Michael Niedermayer

altivec.h bug workaround (untested)

Originally committed as revision 2559 to svn://svn.ffmpeg.org/ffmpeg/trunk

332f9ac4 12/01/2003 03:23 PM Michael Niedermayer

h263 loop filter
fixed h263 modified quantization
CODEC_FLAG_OBMC

Originally committed as revision 2549 to svn://svn.ffmpeg.org/ffmpeg/trunk

19d053c5 11/04/2003 07:35 PM Roman Shaposhnik
  • fixes for broken builds on Solaris, OS2 and all bingendian
    systems out there.

Originally committed as revision 2480 to svn://svn.ffmpeg.org/ffmpeg/trunk

48b1f800 10/25/2003 12:32 AM Roman Shaposhnik
  • adding integer/floating point AAN implementations for DCT 2-4-8

Originally committed as revision 2430 to svn://svn.ffmpeg.org/ffmpeg/trunk

10acc479 10/24/2003 06:28 PM Roman Shaposhnik
  • introducing dct248 into the DSP context. * simple/accurate implementation of dct248 * DV encoding now supports 2-4-8 DCT * DV encoding gets a bit faster (but still miles away
    from what I think it could do) * misc. DV codec cleanups

Originally committed as revision 2425 to svn://svn.ffmpeg.org/ffmpeg/trunk

cf3bf5bb 10/23/2003 01:22 PM Michael Niedermayer

minor mmx2 optimization if the dct

Originally committed as revision 2423 to svn://svn.ffmpeg.org/ffmpeg/trunk

84705403 10/13/2003 05:27 PM Michael Niedermayer

mmx2 optimization of huffyuv median encoding

Originally committed as revision 2372 to svn://svn.ffmpeg.org/ffmpeg/trunk

742d87d6 09/08/2003 09:05 PM Fabrice Bellard

removed os_support.h

Originally committed as revision 2227 to svn://svn.ffmpeg.org/ffmpeg/trunk

4fb518c3 06/21/2003 01:11 AM Michael Niedermayer

the return of the idct with 16bit output by ("Ivan Kalvachev" <ivan at cacad dot com>)

Originally committed as revision 1983 to svn://svn.ffmpeg.org/ffmpeg/trunk

4e8eed2f 06/20/2003 02:22 AM Mike Melanson

4, not 2

Originally committed as revision 1975 to svn://svn.ffmpeg.org/ffmpeg/trunk

da3b9756 06/19/2003 01:44 AM Mike Melanson

added support for B-frames and multiple slices

Originally committed as revision 1974 to svn://svn.ffmpeg.org/ffmpeg/trunk

3d2e8cce 05/19/2003 01:30 PM Michael Niedermayer

ASV1 codec
with postprocessing support :)

Originally committed as revision 1891 to svn://svn.ffmpeg.org/ffmpeg/trunk

669ac79c 05/15/2003 11:30 PM Michael Niedermayer

moving the svq3 motion compensation stuff to dsputil (this also means that existing optimized halfpel code is used now ...)

Originally committed as revision 1885 to svn://svn.ffmpeg.org/ffmpeg/trunk

d8085ea7 05/14/2003 11:08 PM Michael Niedermayer

cleanup

Originally committed as revision 1882 to svn://svn.ffmpeg.org/ffmpeg/trunk

0c6bd2ea 05/14/2003 12:18 PM BERO

sh4 optimized idct & bswap patch by (BERO <bero at geocities dot co dot jp>)

Originally committed as revision 1877 to svn://svn.ffmpeg.org/ffmpeg/trunk

05493021 05/11/2003 10:19 AM Michael Niedermayer

more idct_permute docs

Originally committed as revision 1852 to svn://svn.ffmpeg.org/ffmpeg/trunk

eb14c713 05/05/2003 10:00 AM Michael Niedermayer

doxy

Originally committed as revision 1832 to svn://svn.ffmpeg.org/ffmpeg/trunk

5755c27f 04/25/2003 12:21 AM Michael Niedermayer

doc fixes (forgot to commit)

Originally committed as revision 1819 to svn://svn.ffmpeg.org/ffmpeg/trunk

59cf08ce 04/20/2003 04:16 PM Fabrice Bellard

fixed static init

Originally committed as revision 1799 to svn://svn.ffmpeg.org/ffmpeg/trunk

0da71265 04/04/2003 02:42 PM Michael Niedermayer

H264 decoder & demuxer

Originally committed as revision 1732 to svn://svn.ffmpeg.org/ffmpeg/trunk

d518aebd 03/15/2003 02:06 AM Michael Niedermayer

halfpel MC doxy

Originally committed as revision 1684 to svn://svn.ffmpeg.org/ffmpeg/trunk

a1adf436 03/06/2003 02:42 PM Michael Niedermayer

typo

Originally committed as revision 1639 to svn://svn.ffmpeg.org/ffmpeg/trunk

983e3246 03/06/2003 11:32 AM Michael Niedermayer

per file doxy

Originally committed as revision 1634 to svn://svn.ffmpeg.org/ffmpeg/trunk

77c92c2d 03/06/2003 10:26 AM Michael Niedermayer

cosmetics

Originally committed as revision 1632 to svn://svn.ffmpeg.org/ffmpeg/trunk

24641185 03/06/2003 10:08 AM Michael Niedermayer

more dox

Originally committed as revision 1630 to svn://svn.ffmpeg.org/ffmpeg/trunk

b0368839 03/03/2003 02:54 PM Michael Niedermayer

MpegEncContext.(i)dct_* -> DspContext.(i)dct_*
bitexact cleanup

Originally committed as revision 1617 to svn://svn.ffmpeg.org/ffmpeg/trunk

2720569a 02/11/2003 04:57 PM Zdenek Kabelac
  • prototypes at one place

Originally committed as revision 1579 to svn://svn.ffmpeg.org/ffmpeg/trunk

0c1a9eda 02/11/2003 04:35 PM Zdenek Kabelac
  • UINTX -> uintx_t INTX -> intx_t

Originally committed as revision 1578 to svn://svn.ffmpeg.org/ffmpeg/trunk

ea937d01 01/28/2003 02:50 PM Fabrice Bellard

win32: rint() does not seem to be defined with mingw32-gcc 2.95 - do you have a better solution ?

Originally committed as revision 1519 to svn://svn.ffmpeg.org/ffmpeg/trunk

3b991c54 01/26/2003 10:29 PM Romain Dolbeau

Altivec on non darwin systems patch by Romain Dolbeau

Originally committed as revision 1509 to svn://svn.ffmpeg.org/ffmpeg/trunk

0e15384d 01/15/2003 07:21 PM Michael Niedermayer

fixing DCTELEM != short

Originally committed as revision 1462 to svn://svn.ffmpeg.org/ffmpeg/trunk

3a87ac94 01/15/2003 06:05 PM Michael Niedermayer

more compare functions (rd & bit)

Originally committed as revision 1461 to svn://svn.ffmpeg.org/ffmpeg/trunk

e629ab68 01/11/2003 08:51 PM Romain Dolbeau

altivec jumbo patch by (Romain Dolbeau <dolbeaur at club-internet dot fr>)

Originally committed as revision 1448 to svn://svn.ffmpeg.org/ffmpeg/trunk

db794953 01/09/2003 08:42 PM Michael Niedermayer

qpel fix

Originally committed as revision 1426 to svn://svn.ffmpeg.org/ffmpeg/trunk

8d268a7d 01/07/2003 06:15 PM Fabrice Bellard

fft altivec by Romain Dolbeau - simplified patch, test it on PPC with fft-test and wma decoding

Originally committed as revision 1417 to svn://svn.ffmpeg.org/ffmpeg/trunk

826f429a 01/05/2003 03:57 PM Michael Niedermayer

qpel in mmx2/3dnow
qpel refinement quality parameter

Originally committed as revision 1393 to svn://svn.ffmpeg.org/ffmpeg/trunk

1457ab52 12/27/2002 11:51 PM Michael Niedermayer

qpel encoding
4mv+b frames encoding finally fixed
chroma ME
5 comparission functions for ME
b frame encoding speedup
wmv2 codec (unfinished)
user specified diamond size for EPZS

Originally committed as revision 1365 to svn://svn.ffmpeg.org/ffmpeg/trunk

404d2241 11/26/2002 09:21 AM Brian Foley

altivec accelerated v-resample patch by (Brian Foley <bfoley at compsoc dot nuigalway dot ie>)

Originally committed as revision 1283 to svn://svn.ffmpeg.org/ffmpeg/trunk

9c76bd48 11/22/2002 07:53 AM Brian Foley
  • altivec and pix_norm patch by Brian Foley

Originally committed as revision 1269 to svn://svn.ffmpeg.org/ffmpeg/trunk

11f18faf 11/14/2002 07:20 PM Michael Niedermayer

huffyuv

Originally committed as revision 1211 to svn://svn.ffmpeg.org/ffmpeg/trunk

18f77016 11/12/2002 03:00 PM Zdenek Kabelac
  • fixing some minor const warnings

Originally committed as revision 1205 to svn://svn.ffmpeg.org/ffmpeg/trunk

eb4b3dd3 11/11/2002 09:40 AM Zdenek Kabelac
  • using DSPContext - so each codec could use its local (sub)set of CPU extension

Originally committed as revision 1194 to svn://svn.ffmpeg.org/ffmpeg/trunk

95e2ce4a 11/05/2002 12:07 AM Michael Niedermayer

lrintf detection (based upon a patch by Fran├žois Revol <revol at free dot fr>)

Originally committed as revision 1162 to svn://svn.ffmpeg.org/ffmpeg/trunk

6234d753 10/30/2002 08:31 PM Alex Beregszaszi

NetBSD fix by Bernd Ernesti <>

Originally committed as revision 1115 to svn://svn.ffmpeg.org/ffmpeg/trunk

9d85cbd9 10/29/2002 10:38 PM Fabrice Bellard

added lrintf for non ISOC libcs (fixme: find a better test)

Originally committed as revision 1106 to svn://svn.ffmpeg.org/ffmpeg/trunk

82696bee 10/29/2002 10:26 PM Fabrice Bellard

avoid name clash

Originally committed as revision 1104 to svn://svn.ffmpeg.org/ffmpeg/trunk

bb6f5690 10/28/2002 12:34 AM Fabrice Bellard

new generic FFT/MDCT code for audio codecs

Originally committed as revision 1088 to svn://svn.ffmpeg.org/ffmpeg/trunk

7801d21d 10/23/2002 03:11 PM Michael Niedermayer

optimize block_permute()
optimize dct_quantize_c()
dont permute s->q_inter/intra_matrix

Originally committed as revision 1067 to svn://svn.ffmpeg.org/ffmpeg/trunk

073b013d 10/16/2002 07:55 PM Michael Niedermayer

complete mpeg4 GMC decoding support

Originally committed as revision 1046 to svn://svn.ffmpeg.org/ffmpeg/trunk

2ad1516a 09/29/2002 10:44 PM Michael Niedermayer

idct permutation cleanup, idct can be selected per context now
fixing some threadunsafe code

Originally committed as revision 980 to svn://svn.ffmpeg.org/ffmpeg/trunk

d46aba26 09/23/2002 08:44 AM Leon van Stuivenberg

ps2 idct patch by (Leon van Stuivenberg <leonvs at iae dot nl>)

Originally committed as revision 963 to svn://svn.ffmpeg.org/ffmpeg/trunk

3f09f52a 09/19/2002 10:14 PM Arpi

fdct_mmx -> ff_fdct_mmx (renamed to avoid namespace conflict with xvid)
[found by Kim Minh Kaplan]

Originally committed as revision 960 to svn://svn.ffmpeg.org/ffmpeg/trunk

b7c27ee6 09/14/2002 07:00 PM Michael Niedermayer

alignment info

Originally committed as revision 947 to svn://svn.ffmpeg.org/ffmpeg/trunk

b3184779 09/11/2002 12:39 PM Michael Niedermayer

put/avg_pixels16
fixing 2 small qpel bugs

Originally committed as revision 915 to svn://svn.ffmpeg.org/ffmpeg/trunk

ab6c65f6 09/02/2002 08:48 AM Brian Foley

altivec build tidyup patch by (Brian Foley <bfoley at compsoc dot nuigalway dot ie>)

Originally committed as revision 898 to svn://svn.ffmpeg.org/ffmpeg/trunk

a43bd1d7 08/30/2002 12:05 AM Heliodoro Tammaro

patch by Heliodoro Tammaro <helio at interactives dot org>
- configures/builds on all darwin versions
- ffserver builds on darwin (if you have the extra libraries)
- builds correctly (again) on non-darwin ppc (no -faltivec in gcc-3.2)

Originally committed as revision 880 to svn://svn.ffmpeg.org/ffmpeg/trunk

28db7fce 08/29/2002 11:55 PM Michael Niedermayer

slow but accurate integer dct from IJG (should be ok with the LGPL as the old DCT is the fast integer DCT from IJG)
per context DCT selection

Originally committed as revision 878 to svn://svn.ffmpeg.org/ffmpeg/trunk

59925ef2 08/28/2002 01:14 PM Brian Foley

first cut at altivec support on darwin patch by (Brian Foley <bfoley at compsoc dot nuigalway dot ie>)

Originally committed as revision 875 to svn://svn.ffmpeg.org/ffmpeg/trunk

3aa102be 08/25/2002 09:19 PM Michael Niedermayer

new ratecontrol code

Originally committed as revision 862 to svn://svn.ffmpeg.org/ffmpeg/trunk

6d4985bb 06/11/2002 01:43 PM Fabrice Bellard

move unaligned access macros to dsputil.h - added unaligned 32 bit store

Originally committed as revision 687 to svn://svn.ffmpeg.org/ffmpeg/trunk

8ee14970 06/05/2002 06:48 PM Fabrice Bellard

added ff_idct_put/add

Originally committed as revision 672 to svn://svn.ffmpeg.org/ffmpeg/trunk

03c94ede 06/04/2002 12:58 PM Fabrice Bellard

avoid name clash with libjpeg - added missing externs

Originally committed as revision 660 to svn://svn.ffmpeg.org/ffmpeg/trunk

ff4ec49e 05/25/2002 10:45 PM Fabrice Bellard

license/copyright change

Originally committed as revision 599 to svn://svn.ffmpeg.org/ffmpeg/trunk

57060b1e 05/20/2002 04:37 PM Fabrice Bellard

removed unused stuff - added dsputil_set_bit_exact() support for easier testing

Originally committed as revision 551 to svn://svn.ffmpeg.org/ffmpeg/trunk

9dbcbd92 04/17/2002 04:32 AM Michael Niedermayer

fixed mpeg4 time stuff on encoding
mpeg4 b-frame enoding support
removed old, out-commented ratecontrol
reuse motion compensation code between encoding & decoding
prefix newly added global functions with ff_ to reduce namespace polution
b-frame ME (unfinished, but working)...

649c00c9 03/28/2002 01:41 PM Michael Niedermayer

sizeof(s->block) isnt 64*6*2 anymore bugfix
mpeg12 decoding optimization

Originally committed as revision 364 to svn://svn.ffmpeg.org/ffmpeg/trunk

ba6802de 03/27/2002 09:25 PM Michael Niedermayer

4MV motion estimation (not finished yet)
SAD functions rewritten (8x8 support & MMX2 optimizations)
HQ inter/intra decission
msmpeg4 encoding bugfix (MV where too long)

Originally committed as revision 362 to svn://svn.ffmpeg.org/ffmpeg/trunk

44eb4951 03/09/2002 01:01 PM Michael Niedermayer

divx5-gmc support
q-pel mc support
neither is totally bugfree yet though :(

Originally committed as revision 320 to svn://svn.ffmpeg.org/ffmpeg/trunk

43f1708f 02/26/2002 10:14 PM Juanjo

- Added PSNR feature to libavcodec and ffmpeg. By now just Y PSNR until I'm
sure it works ok. Also it's slow, so use it only when you really need to
measure quality.
- Fix libavcodec Makefile to enable profiling.

Originally committed as revision 314 to svn://svn.ffmpeg.org/ffmpeg/trunk

1e98dffb 01/20/2002 02:48 PM Nick Kurshev

Alpha optimizations by Falk Hueffner <>

Originally committed as revision 274 to svn://svn.ffmpeg.org/ffmpeg/trunk

5a240838 01/10/2002 12:51 AM Michael Niedermayer

fix for non-mmx runtimedetect encoding bugs - patch by Michael Niedermayer <>

Originally committed as revision 250 to svn://svn.ffmpeg.org/ffmpeg/trunk

d962f6fd 12/09/2001 12:04 PM Arpi

new IDCT code by Michael Niedermayer () - #define SIMPLE_IDCT to enable

Originally committed as revision 234 to svn://svn.ffmpeg.org/ffmpeg/trunk

c34270f5 09/16/2001 09:54 PM Fabrice Bellard

mlib merge

Originally committed as revision 131 to svn://svn.ffmpeg.org/ffmpeg/trunk

3d03c0a2 08/13/2001 09:45 PM Fabrice Bellard

arm optimizations

Originally committed as revision 82 to svn://svn.ffmpeg.org/ffmpeg/trunk

0cfa9713 08/11/2001 07:00 PM Fabrice Bellard

export for imgconvert usage

Originally committed as revision 67 to svn://svn.ffmpeg.org/ffmpeg/trunk

e0eac44e 08/07/2001 10:43 PM Fabrice Bellard

added block permutation functions

Originally committed as revision 45 to svn://svn.ffmpeg.org/ffmpeg/trunk

4af7bcc1 08/03/2001 06:33 PM Arpi

MMX/MMXEXT iDCT support, using external functions currently defined in libmpeg2
Gives average 13-20% mpeg decoding speedup on x86 systems.

Originally committed as revision 30 to svn://svn.ffmpeg.org/ffmpeg/trunk

fb16b7e7 07/24/2001 08:42 PM Fabrice Bellard

added emms_c() macro which should can used in c code in both mmx/non mmx cases

Originally committed as revision 12 to svn://svn.ffmpeg.org/ffmpeg/trunk

980fc7b8 07/23/2001 08:06 PM Fabrice Bellard

fixed config for direct mplayer build compatibility

Originally committed as revision 8 to svn://svn.ffmpeg.org/ffmpeg/trunk

de6d9b64 07/22/2001 02:18 PM Fabrice Bellard

Initial revision

Originally committed as revision 5 to svn://svn.ffmpeg.org/ffmpeg/trunk