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62 Commits

Author SHA1 Message Date
Diego Biurrun
3f5d7bb331 Remove two unused variables. 
Originally committed as revision 11584 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-01-21 00:29:22 +00:00
Diego Biurrun
a4b375c614 Remove unnecessary forward declaration. 
Originally committed as revision 11583 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-01-21 00:28:29 +00:00
Reimar Döffinger
99fac0806b Get rid of fft_rev table, use ff_reverse and a shift. 
Reduces maximum allowed value for MDCT_NBITS to 10 (current value is 9)

Originally committed as revision 11519 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-01-13 08:33:00 +00:00
Reimar Döffinger
f952b30cd1 Use FFSWAP instead of "manual" swap 
Originally committed as revision 11518 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-01-12 17:37:36 +00:00
Aurelien Jacobs
3abe5fbdc4 improve CRC API 
- don't export any global var
 - provide either generated or hardcoded tables

Originally committed as revision 11409 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-01-04 23:09:58 +00:00
Justin Ruggles
02c164c148 use cutoff frequency to adjust bandwidth in ac3 encoder 
Originally committed as revision 11338 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-12-28 06:13:55 +00:00
Justin Ruggles
08ac1e783e use bps instead of kbps for bitrate 
Originally committed as revision 11337 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-12-28 05:32:12 +00:00
Justin Ruggles
c135b520e7 Do not give advice for which bitrate to choose. 
Originally committed as revision 11334 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-12-28 03:12:24 +00:00
Justin Ruggles
678a7179b6 fix typo 
Originally committed as revision 11333 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-12-28 03:05:49 +00:00
Justin Ruggles
e59cc20593 cosmetics: rename common ac3 variables 
Originally committed as revision 11196 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-12-09 03:27:14 +00:00
Justin Ruggles
5ce2134258 cosmetics: rename ac3 bit allocation variables 
Originally committed as revision 11194 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-12-09 03:23:04 +00:00
Justin Ruggles
66ecf18e38 cosmetics: rename ac3 tables 
Originally committed as revision 11193 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-12-09 03:21:33 +00:00
D Richard Felker III
de39d62c14 sync message with modern ffmpeg bitrate option syntax. 
note: this message should probably be tweaked; i'm not sure that it's
a good idea for lavc to be recommending ffmpeg command line options
as it's a general-purpose library.

Originally committed as revision 11094 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-11-27 05:32:04 +00:00
Panagiotis Issaris
d04d5bcd0e Fix the self tests which are contained in some codecs and are using random(). 
Originally committed as revision 9755 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-07-19 08:47:07 +00:00
Justin Ruggles
cc2a8443eb move some common values to ac3.h and utilize them 
Originally committed as revision 9679 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-07-15 01:31:09 +00:00
Ramiro Polla
2c124cb65c Use AV_xx throughout libavcodec 
Originally committed as revision 9169 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-06-02 01:41:07 +00:00
Justin Ruggles
d971a5fa81 cosmetics. align and condense. 
Originally committed as revision 8479 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-03-22 05:39:20 +00:00
Justin Ruggles
319708da02 simplify 
Originally committed as revision 8478 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-03-22 05:38:00 +00:00
Justin Ruggles
bbd16dea67 utilize multi-stage AC-3 bit allocation. speeds up encoding by 25-30% 
Originally committed as revision 8477 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-03-22 05:34:26 +00:00
Bill O'Shaughnessy
4140a5234e AC-3 encoded volume is too high. Revert revision 7160: 
bring AC3 encoder output up to input volume level
patch by Bill O'Shaughnessy % bill P oshaughnessy A gmail.com %
+ reg tests update gruntwork by me
Original thread:
date: Nov 21, 2006 11:36PM
subject: [Ffmpeg-devel] Simpler Patch to bring AC3 encoder output up to input level

Originally committed as revision 8444 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-03-18 23:18:05 +00:00
Justin Ruggles
050aa8b9bc remove redundancy in AC-3 parser by using common tables from ac3tab.h 
Originally committed as revision 8318 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-03-11 02:13:05 +00:00
Justin Ruggles
4258a0a32a Remove common code from AC-3 encoder and utilize ac3.c. 
Originally committed as revision 8306 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-03-09 13:57:42 +00:00
Justin Ruggles
abfe5a4a75 simplify AC-3 bit allocation 
Originally committed as revision 8302 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-03-09 03:17:43 +00:00
Justin Ruggles
3a8bf52983 cosmetics. remove space before semi-colon. 
Originally committed as revision 8301 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-03-08 23:38:50 +00:00
Bill O'Shaughnessy
3e954443dd bring AC3 encoder output up to input volume level 
patch by Bill O'Shaughnessy % bill P oshaughnessy A gmail.com %
+ reg tests update gruntwork by me
Original thread:
date: Nov 21, 2006 11:36 PM
subject: [Ffmpeg-devel] Simpler Patch to bring AC3 encoder output up to input level

Originally committed as revision 7160 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-11-23 22:21:01 +00:00
Måns Rullgård
486497e07b revert bad checkin 
Originally committed as revision 7044 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-11-14 03:18:09 +00:00
Måns Rullgård
be6ed6fff4 move some CFLAGS settings away from config.* writing section 
Originally committed as revision 7043 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-11-14 03:12:29 +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
Justin Ruggles
1df051e197 Fix 2 bit allocation bugs. One fix enables using a higher bandwidth code. The other fixes an issue with floorcod=7. 
Originally committed as revision 6156 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-09-03 15:59:08 +00:00
Benjamin Larsson
6eb1427f0f Revert bad ac3enc commit, the commited code was bigger and slower. 
Originally committed as revision 5327 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-04-28 14:19:11 +00:00
Benjamin Larsson
176c142abc Patch to generate the ac3 window, based on code by Justin Ruggles. 
Originally committed as revision 5310 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-04-22 21:21:16 +00:00
Benjamin Larsson
f1f7807abd AC3 encoding volume fix, by Justin Ruggles jruggle earthlink net. 
Originally committed as revision 5281 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-04-10 12:12:26 +00:00
Justin Ruggles
f760b70fbe AC3: support encoding fractional frame sizes 
Patch by Justin Ruggles, jruggle <<at>> earthlink <<dot>> net

Originally committed as revision 5263 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-04-03 00:51:09 +00:00
Benjamin Larsson
5b6638517f Use a more descriptive error message. 
Originally committed as revision 5224 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-03-26 17:07:02 +00:00
Michael Niedermayer
e027d0a81e switch ac3enc to av_crc 
Originally committed as revision 5116 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-03-06 14:53:13 +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
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
Justin Ruggles
132041f06f While adding stereo rematrixing, I came across something that needs to 
be fixed even without adding the feature.  The output correctly uses 4
dummy values for the rematrixing flags in block-0, but the bit
allocation routine does not take these bits into account.  From what I
can tell, there was a patch in 2003 that corrected the output to make it
DVD and spec compatible, but it didn't correct the bit allocation.  It's
only 4 bits over the entire 6 blocks, so overflow errors would happen
rarely or never, but it's still worth fixing.  So here is a fix.

patch by (Justin Ruggles {jruggle earthlink net)

Originally committed as revision 4179 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-05-05 14:10:52 +00:00
Michael Niedermayer
caa336b4cc common.c -> bitstream.c (and the single non bitstream func -> utils.c) 
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
Jeff Muizelaar
21d7e2ff40 fix some type mismatches patch by (Jeff Muizelaar <muizelaar rogers com>) 
Originally committed as revision 3712 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-11-25 19:17:27 +00:00
Jeff Muizelaar
e44cad5291 simpler delta decreasing algorithm patch by (Jeff Muizelaar <jrmuizel at student dot cs dot uwaterloo dot ca>) 
Originally committed as revision 3369 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-08-02 10:42:21 +00:00
Michael Niedermayer
9ab2717a9d auxdatae, crcrs fix by (Jean-Francois Panisset <panisset at comcast dot net>) 
Originally committed as revision 2800 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2004-02-18 19:15:19 +00:00
Michael Niedermayer
3d0ef6dd52 av_log patch(2 of ?) by (Michel Bardiaux <mbardiaux at peaktime dot be>) 
Originally committed as revision 2474 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-11-03 18:06:54 +00:00
Michel Bardiaux
9b87956678 av_log() patch by (Michel Bardiaux <mbardiaux at peaktime dot be>) 
Originally committed as revision 2469 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-11-03 13:26:22 +00:00
Alex Beregszaszi
ed7debda14 removed the obsolete and unused parameters of init_put_bits 
Originally committed as revision 2366 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-10-12 21:25:00 +00:00
Michael Niedermayer
743739d2c5 AC3 encoding patch ba (Ross Martin <ffmpeg at ross dot interwrx dot com>) 
Originally committed as revision 2129 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-08-20 07:57:00 +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
5c91a6755b * static,const,compiler warning cleanup 
Originally committed as revision 1567 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2003-02-10 09:35:32 +00:00