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81 Commits

Author SHA1 Message Date
Loren Merritt
069720565c vorbis simd tweaks 
Originally committed as revision 5983 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-08-11 18:19:37 +00:00
Loren Merritt
0e0adae0ba vorbis cosmetics: mdct0,mdct1 => mdct[2] 
Originally committed as revision 5978 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-08-10 21:57:30 +00:00
Loren Merritt
88db1a15c5 misc tweaks in vorbis_residue_decode(). 
4% faster vorbis.

Originally committed as revision 5977 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-08-10 21:55:31 +00:00
Loren Merritt
eb4825b5d4 sse and 3dnow implementations of float->int conversion and mdct windowing. 
15% faster vorbis.

Originally committed as revision 5975 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-08-10 19:06:25 +00:00
Loren Merritt
bcfa3e58ee 3dnow2 implementation of imdct. 
6% faster vorbis and wma.

Originally committed as revision 5954 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-08-08 04:01:04 +00:00
Loren Merritt
32e8763103 another div -> fastdiv, another 2% faster vorbis. 
Originally committed as revision 5902 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-08-03 06:07:13 +00:00
Loren Merritt
2dac4acfc0 sse & sse2 implementations of vorbis channel coupling. 
9% faster vorbis (on a K8).

Originally committed as revision 5898 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-08-03 03:18:47 +00:00
Loren Merritt
7bf0049623 int16_t is faster than int_fast16_t for division. 
2% faster vorbis (on a K8).

Originally committed as revision 5897 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-08-03 02:18:07 +00:00
Benjamin Larsson
8dcf48a8c3 Cosmetics. Add the defines needed for debug output. 
Originally committed as revision 5361 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-05-11 00:28:30 +00:00
Loren Merritt
24efb5e51b fix a crash on x86_64 
Originally committed as revision 5360 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-05-11 00:06:50 +00:00
Denes Balatoni
8d39d67a78 vorbis 5:1 decoding fix, fix mi2_vorbis51.mp4, patch by Denes Balatoni <dbalatoni at programozo dot hu> 
Originally committed as revision 5349 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-05-07 17:30:00 +00:00
Uoti Urpala
f267587ece Vorbis specs requires blocksize_1 >= blocksize_0, error if it's false. 
Predict buffer size from blocksize_1 and number of channels and make
sure this does not exceed AVCODEC_MAX_AUDIO_FRAME_SIZE

Patch by Uoti Urpala >>> uoti |.| urpala |@| pp1 |.| inet |.| fi <<<

Originally committed as revision 5313 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-04-23 21:11:31 +00:00
Måns Rullgård
1bd8624697 kill some warnings 
Originally committed as revision 5063 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-02-25 22:41:31 +00:00
Alexander Strasser
04c669ba98 Correct the relation between floors of type 0 and block sizes. 
Originally committed as revision 4941 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-02-05 10:16:20 +00:00
Alexander Strasser
536b48b258 10l (malloc check with the wrong pointer) 
Simplification: I have to reconsider this trees and forest thing...

Also readded and documented the check i had in the beginning and removed
before applying. It avoids a possible div by zero.

Originally committed as revision 4934 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-02-04 09:59:48 +00:00
Alexander Strasser
43eb59087b Added support for vorbis files containing floor type 0. 
Originally committed as revision 4933 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-02-04 08:55:34 +00:00
Dieter
ceaf1909c1 add static keyword to some functions 
patch by Dieter <freebsd at sopwith solgatos com>

Originally committed as revision 4913 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-01-30 23:33:19 +00:00
Diego Biurrun
5509bffa88 Update licensing information: The FSF changed postal address. 
Originally committed as revision 4842 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-01-12 22:43:26 +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
Måns Rullgård
4733abcbf3 use PRIxN, %zd, %td formats where needed 
Originally committed as revision 4740 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-12-12 01:56:46 +00:00
Michael Niedermayer
5a408f91e6 decrease V_NB_BITS if possible 
Originally committed as revision 4327 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-05-30 22:02:00 +00:00
Michael Niedermayer
f4e61cd194 more trivial optimizations 
Originally committed as revision 4326 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-05-30 20:34:05 +00:00
Michael Niedermayer
9a9d530126 maxdepth is supposed to be a constant, its faster if its too large then if its non constant 
Originally committed as revision 4324 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-05-30 19:14:50 +00:00
Michael Niedermayer
de312e51d0 optimizations 
Originally committed as revision 4320 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-05-30 15:03:06 +00:00
Michael Niedermayer
f56f96d80f faster float->short conversation 
Originally committed as revision 4319 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-05-30 00:07:52 +00:00
Michael Niedermayer
e19ca8451d ilog() -> av_log2() 
Originally committed as revision 4318 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-05-29 22:50:22 +00:00
Michael Niedermayer
13c2469d7f Vorbis sse fix by (Balatoni Denes: dbalatoni, programozo hu) 
Originally committed as revision 4317 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-05-29 22:11:05 +00:00
Denes Balatoni
84a96d6a3d 1.) LGPL license mentioned 
2.) Stack useage decreased by 64kb
3.) One more bug fixed
patch by (Balatoni Denes <dbalatoni.programozo@hu>)

Originally committed as revision 4287 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-05-21 01:17:20 +00:00
Måns Rullgård
2c57805831 accept old extradata format 
Originally committed as revision 4281 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-05-19 11:45:10 +00:00
Måns Rullgård
d381c5054a fix decoding of multi-channel vorbis streams 
Originally committed as revision 4280 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-05-19 11:41:41 +00:00
Michael Niedermayer
0bde73d907 Vorbis decoder by (Balatoni Denes | dbalatoni programozo hu) 
Originally committed as revision 4261 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-05-17 19:02:43 +00:00