Michael Niedermayer
355903f5a8
make high precission synth filter 3 times faster on x86
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Originally committed as revision 6046 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-08-22 11:11:04 +00:00
Michael Niedermayer
0bd2483a75
replace MULL by MULH + shift in dct32() (code is very slightly faster, and the compiler should be able to optimize the shift away on 64bit archs)
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Originally committed as revision 6045 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-08-22 06:24:59 +00:00
Michael Niedermayer
eb6447766d
replace a few MULL by MULH
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Originally committed as revision 6039 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-08-21 12:12:43 +00:00
Michael Niedermayer
120aad7fe9
reorder butterflies to reduce memory load/store
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Originally committed as revision 6037 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-08-20 22:18:26 +00:00
Michael Niedermayer
55582f8de3
table contains vlc with 19 bits and 8*2 < 19
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Originally committed as revision 5658 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-07-07 10:50:14 +00:00
Steve L'Homme
267f7edcd1
(f)printf --> av_log conversion
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taken from a patch by Steve L'Homme
Originally committed as revision 5127 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-03-08 11:43:10 +00:00
Diego Biurrun
5509bffa88
Update licensing information: The FSF changed postal address.
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Originally committed as revision 4842 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-01-12 22:43:26 +00:00
Benjamin Larsson
fb9cb0b8c4
get_vlc -> get_vlc2 transition.
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Originally committed as revision 4828 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-01-08 19:31:21 +00:00
Diego Biurrun
bb270c0896
COSMETICS: tabs --> spaces, some prettyprinting
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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.
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Originally committed as revision 4749 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-12-17 18:14:38 +00:00
Roberto Togni
d9b1c197e5
QDM2 compatible decoder
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Originally committed as revision 4649 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-10-18 20:16:43 +00:00
Roberto Togni
e6885654eb
Reverse patch 1.59->1.60, it break mp3 in ffplay and ffmpeg
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Reversing approved by patch author
Originally committed as revision 4646 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-10-15 16:29:58 +00:00
Alex Beregszaszi
83254e245c
removed unused CONFIG_AUDIO_NONSHORT
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Originally committed as revision 4633 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-10-12 22:37:42 +00:00
Michael Niedermayer
c26ae41db2
adding a few const
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Originally committed as revision 4337 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-06-01 21:19:00 +00:00
Michael Niedermayer
02af2269c0
check for error
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Originally committed as revision 4183 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-05-05 20:05:41 +00:00
Michael Niedermayer
f86f4481d8
cast to uint32 as the table is uint32_t, this also worksaround a gcc or libc bug related to frexp()
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Originally committed as revision 3997 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-03-02 20:46:06 +00:00
Måns Rullgård
88730be651
kill warnings patch by (Måns Rullgård <mru inprovide com>)
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Originally committed as revision 3977 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-02-24 19:08:50 +00:00
Roberto Togni
d2a7718df9
Multichannel mp3 in mp4 support ISO/IEC 14496-3:2001/FPDAM 3 (MP3onMP4)
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Derived from MPlayer patch by Larry Ruedisueli
Originally committed as revision 3955 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-02-15 20:58:32 +00:00
Michael Niedermayer
44f1698a38
merge a few shifts into the dequantization, faster and more accurate, lets hope it doesnt overflow
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Originally committed as revision 3930 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-02-03 03:28:27 +00:00
Michael Niedermayer
125d624610
optimizing imdct12
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Originally committed as revision 3929 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-02-02 22:38:28 +00:00
Michael Niedermayer
ce4a29c066
optimize antialias
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switch to integer antialias code as default as its faster now
Originally committed as revision 3925 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-02-02 01:37:33 +00:00
Michael Niedermayer
d04728bb57
faster, simpler and more accurate l3_unscale()
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Originally committed as revision 3924 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-02-01 23:43:07 +00:00
Michael Niedermayer
711ae726f7
optimizing imdct36()
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Originally committed as revision 3923 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-02-01 21:27:18 +00:00
Michael Niedermayer
a3a5f4d6c3
support 32bit output for the mpeg audio decoder
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Originally committed as revision 3910 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-01-31 12:16:21 +00:00
Michael Niedermayer
b696d2a676
more accurate dequant of near zero coefficients
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Originally committed as revision 3909 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-01-31 04:06:47 +00:00
Michael Niedermayer
84af4a7ee6
10l (missing overflow check)
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Originally committed as revision 3908 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-01-31 03:14:22 +00:00
Michael Niedermayer
093c6e50c9
10l (didnt test code after cvs up ...)
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Originally committed as revision 3904 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-01-30 14:10:30 +00:00
Michael Niedermayer
a7a858996f
dithering for the mpeg audio decoder
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Originally committed as revision 3903 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-01-30 14:04:56 +00:00
Alex Beregszaszi
bf1f4da01f
exported ff_mpa_synth_filter for upcoming qdm2 decoder
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Originally committed as revision 3897 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-01-28 19:54:10 +00:00
Roberto Togni
1ede228a4f
Decode MP3 in ADU format
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Originally committed as revision 3839 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-01-15 14:59:47 +00:00
Michael Niedermayer
2fc8ea249f
dissallow sprintf
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Originally committed as revision 3823 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-01-12 00:59:42 +00:00
Michael Niedermayer
caa336b4cc
common.c -> bitstream.c (and the single non bitstream func -> utils.c)
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common.h -> common.h/bitstream.h
Originally committed as revision 3777 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-12-29 17:50:25 +00:00
Burkhard Plaum
073c2593c9
Memory leak fix patch by (Burkhard Plaum <plaum >at< ipf.uni-stuttgart )dot( de>)
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Originally committed as revision 3717 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-11-27 18:10:06 +00:00
Alex Beregszaszi
491c4a1005
warning fix
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Originally committed as revision 3258 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-06-26 10:09:58 +00:00
Michael Niedermayer
53db1cae1c
data_size = 0 cleanup
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Originally committed as revision 3146 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-05-21 14:37:16 +00:00
Michael Niedermayer
8d1f2ba5e1
static allocation rewrite (old code was plain a broken mess)
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doesnt call realloc every time
doesnt randomly overwrite memory after after 8-16 calls
doesnt use ugly macro wraper
fewer lines of code
Originally committed as revision 2912 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-03-21 21:58:14 +00:00
Michael Niedermayer
2caa92d935
fixes by Gildas Bazin <gbazin at altern dot org>
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Originally committed as revision 2745 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-02-04 15:49:55 +00:00
Michael Niedermayer
ac806113fe
10l
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Originally committed as revision 2726 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-01-26 19:14:02 +00:00
Steven M. Schultz
84f986c0f4
lrintf patch by ("Steven M. Schultz" <sms at 2BSD dot COM>)
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Originally committed as revision 2680 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-01-08 23:51:23 +00:00
Michael Niedermayer
a1e257b231
optimize compute_antialias() and add a floating point based alternative (2x faster)
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Originally committed as revision 2679 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-01-08 21:08:57 +00:00
Fabrice Bellard
962d6ae6c5
exported mpa_decode_header for new parser API
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Originally committed as revision 2491 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-11-10 15:21:16 +00:00
Fabrice Bellard
98ce5991d7
update sub_id in mpegaudio decoding (might need same method as MPEG2VIDEO too ?)
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Originally committed as revision 2238 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-09-08 22:49:26 +00:00
Fabrice Bellard
80783dc2c2
CODEC_ID_MP3LAME is obsolete
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Originally committed as revision 2232 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-09-08 22:04:29 +00:00
Fabrice Bellard
8c5b5683ae
fixed audio frame buffering problem (should correct problems on some streams) - faster synthesis filter - prototype 'parse_only' support
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Originally committed as revision 2173 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-08-28 13:38:06 +00:00
Fabrice Bellard
228ef9dde1
memmove fixes (Jon Burgess)
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Originally committed as revision 2157 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-08-24 22:01:33 +00:00
Michael Niedermayer
a05c8d7177
merging a small amount of the changes from BroadQ, the rest is either not clean / doesnt apply / or is PS2 specific (someone with a PS2 should merge/send a patch for the later)
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Originally committed as revision 1690 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-03-18 17:22:23 +00:00
Michael Niedermayer
983e3246b7
per file doxy
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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
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Originally committed as revision 1578 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-02-11 16:35:48 +00:00
Zdenek Kabelac
5c91a6755b
* static,const,compiler warning cleanup
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Originally committed as revision 1567 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-02-10 09:35:32 +00:00
Michael Niedermayer
68f593b484
GetBitContext.size is allways multiplied by 8 -> use size_in_bits to avoid useless *8 in a few inner loops
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Originally committed as revision 1486 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-01-21 17:34:12 +00:00
Måns Rullgård
ef9f730675
C99 initializers and kill warnings patch by (mru at users dot sourceforge dot net (Måns Rullgård))
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Originally committed as revision 1474 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-01-19 18:30:29 +00:00
Zdenek Kabelac
855ea723b0
* two functions to handle allocation of static data more simple
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av_mallocz_static - called for every static data table
av_free_static - called when ffmpeg is no longer needed and should free
all static resources
* simple usage shown in mpegaudiodec.c
Originally committed as revision 1301 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-12-03 19:40:35 +00:00
Michael Niedermayer
b587a7cb2b
vc++ sucks, found by ("csharprules" <csharprules at hotmail dot com>)
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Originally committed as revision 1160 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-11-04 20:57:08 +00:00
Zdenek Kabelac
3625e88ab7
* resync without endless loop
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Originally committed as revision 849 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-08-09 10:43:02 +00:00
Michael Niedermayer
8db1a1dde0
new bitstream reader API (old get_bits() based one is emulated and will still be supported in the future cuz its simpler)
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minor optimizations to get_vlc
Originally committed as revision 725 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-07-09 10:35:10 +00:00
Falk Hüffner
20695ec921
Minor warning cleanup.
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Originally committed as revision 654 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-06-03 11:16:11 +00:00
Fabrice Bellard
8155233413
fixed layer1/2 overflow if very loud sound - fixed broken free format decoding to pass all mpeg audio standard decoding tests (please avoid patching the parser without having all test streams available - contact me if necessary)
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Originally committed as revision 634 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-06-01 14:34:29 +00:00
Zdenek Kabelac
cd4af68ad5
* started to cleanup name clashes for onetime compilation
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Originally committed as revision 617 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-27 16:42:14 +00:00
Fabrice Bellard
fad9f495c0
removed invalid buffer handling
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Originally committed as revision 604 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-26 14:41:53 +00:00
Fabrice Bellard
ff4ec49e64
license/copyright change
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Originally committed as revision 599 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-25 22:45:33 +00:00
Fabrice Bellard
59d3e367a8
fixed incorrect global gain - slightly increased precision of n^(4/3) table
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Originally committed as revision 557 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-21 21:07:47 +00:00
Fabrice Bellard
747a67fbab
fixed one overflow problem
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Originally committed as revision 553 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-20 21:15:53 +00:00
Fabrice Bellard
f9ed4f8894
put all integer init code to compute n^(4/3) - memory alloc and header fixes
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Originally committed as revision 518 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-18 22:58:08 +00:00
Juanjo
4b1f4f236b
- Versions defined for libav/libavcodec.
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- Bug fix in wav muxer for MP2 audio.
- ffmpeg/libavcodec version in MPEG-4 user data.
Originally committed as revision 400 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-04-15 02:28:05 +00:00
Juanjo
10bb7023a2
- Added force_pts to av_write_packet() to be able to force PTS, this helps
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(and fix) stream copying. By now force_pts it's just honoured by the MPEG
muxer. ASF could honour this also, but it should be fixed to use Tickers
first.
- MPEG audio decoder exports it's frame size in bytes.
- Hope this fix the floating point exception found in ffserver.
Originally committed as revision 382 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-04-07 21:44:29 +00:00
Michael Niedermayer
27a3e2c5e0
another bitstream reader code (faster on intel cpus) - patch by Michael Niedermayer <michaelni@gmx.at>
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Originally committed as revision 252 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-01-10 00:56:05 +00:00
Zdenek Kabelac
92d24f49f8
* fixed decoding busy loop
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Originally committed as revision 203 to svn://svn.ffmpeg.org/ffmpeg/trunk
2001-10-31 19:40:53 +00:00
Zdenek Kabelac
2d83f323d6
* and finaly avoid deadlock at the end of audio stream
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Originally committed as revision 183 to svn://svn.ffmpeg.org/ffmpeg/trunk
2001-10-23 20:20:01 +00:00
Zdenek Kabelac
de5123dc35
* fixes to avoid crash when broken mp3 header is found
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Originally committed as revision 182 to svn://svn.ffmpeg.org/ffmpeg/trunk
2001-10-23 19:58:30 +00:00
Zdenek Kabelac
c152c98327
* simple fix to avoid memcpy with len < 0
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Originally committed as revision 180 to svn://svn.ffmpeg.org/ffmpeg/trunk
2001-10-23 19:03:33 +00:00
Fabrice Bellard
239c2f4cd0
added completely new mpeg audio decoder (integer only, free format support, lsf/mpeg25 support, high/low precision support, simpler code)
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Originally committed as revision 117 to svn://svn.ffmpeg.org/ffmpeg/trunk
2001-09-15 22:40:28 +00:00
Fabrice Bellard
de6d9b6404
Initial revision
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Originally committed as revision 5 to svn://svn.ffmpeg.org/ffmpeg/trunk
2001-07-22 14:18:56 +00:00