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126 Commits

Author SHA1 Message Date
Alex Converse
4d986b7172 aacenc: Use exact values when quantizing, not fuzzy values. 
This requires us to code small escapes; we can't avoid it.

Originally committed as revision 23135 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-05-14 16:49:40 +00:00
Alex Converse
51cbabc792 aacenc: Use an estimated codebook for the TLS (two loop search). 
Originally committed as revision 23134 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-05-14 16:49:30 +00:00
Alex Converse
46174079c9 10l: store the result of clipping added in r23035 
Originally committed as revision 23037 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-05-06 20:38:42 +00:00
Alex Converse
32fa7725d2 Make the faac inspired quantizer search make sense for a slightly narrower definition of "make sense." 
Originally committed as revision 23035 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-05-06 20:18:36 +00:00
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
Alex Converse
508f092a78 aacenc: Merge quantize_band_cost() with quantize_and_encode_band(). 
If these two functions aren't matched results may be unexpected.

Originally committed as revision 22655 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-03-24 17:09:21 +00:00
Alex Converse
f5e82fec3d aacenc: Use preprocessor constants for trellis states and stages. 
Originally committed as revision 19948 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-21 04:32:51 +00:00
Alex Converse
9072c29e40 aacenc: Split paths in the scalefactor selection trellis into a 2-D array. 
Originally committed as revision 19947 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-21 04:15:12 +00:00
Alex Converse
9d4f6f10ae aacenc: Replace cbrt() with cbrtf() when the result is destined for float 
storage.

Originally committed as revision 19946 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-21 03:53:39 +00:00
Alex Converse
0bd9aa449a aacenc: Multiple distortion by lambda after it's summed and not each individual 
term before.

Originally committed as revision 19945 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-21 03:50:59 +00:00
Alex Converse
06d6b962e5 Cosmetics: Reindent after r19943. 
Originally committed as revision 19944 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-21 03:42:54 +00:00
Alex Converse
a71e9b6254 aacenc: Don't make unnecessary compares to the escape value in tight loops. 
Originally committed as revision 19943 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-21 03:41:08 +00:00
Alex Converse
dd0e43e4bb Re-add search_for_ms to the coefficients encoders to silence warnings 
Originally committed as revision 19733 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-08-27 17:46:13 +00:00
Alex Converse
a62d6cfeff Be sure to increment our position in the coefficient array when skipping a zero 
band in the twoloop scalefactor search.

Originally committed as revision 19480 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-07-22 03:53:30 +00:00
Alex Converse
5cf20d07ad Remove an unused field from the BandCodingPath struct. 
Originally committed as revision 19473 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-07-20 21:52:03 +00:00
Alex Converse
0193992252 Actually use all the codebooks we are iterating over in the two-loop scalefactor search. 
Originally committed as revision 19472 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-07-20 20:32:27 +00:00
Alex Converse
932e6a5a4c Fix an integer overflow in the AAC encoder. 
Originally committed as revision 19470 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-07-20 18:27:17 +00:00
Alex Converse
3d51be014c Replace pow(x, 0.75) with sqrtf(x * sqrtf(x)) for a 33% speedup. 
Originally committed as revision 19459 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-07-17 14:21:49 +00:00
Alex Converse
c369e83608 Dead code removal in the AAC encoder. 
Originally committed as revision 19457 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-07-17 14:06:53 +00:00
Alex Converse
a5762c9b59 When calculating AAC quantized band cost, don't leave garbage in the bit count 
for the 0 codebook.

Originally committed as revision 19444 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-07-16 22:20:17 +00:00
Alex Converse
988c170547 Change fminf/fmaxf to FFMIN/FFMAX to fix the build on broken operating systems. 
Originally committed as revision 19391 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-07-09 17:22:59 +00:00
Alex Converse
7a4eebcdce Turn on AAC rate control. 
Originally committed as revision 19379 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-07-08 23:04:22 +00:00
Diego Biurrun
c8f47d8b79 cosmetics: Remove unnecessary {} around if/for blocks; 
move statements after if/for to the next line.

Originally committed as revision 19378 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-07-08 21:36:33 +00:00
Diego Biurrun
99d61d340c cosmetics: prettyprinting, K&R style, break overly long lines 
Originally committed as revision 19377 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-07-08 21:16:06 +00:00
Alex Converse
fd257dc4c0 Cosmetics: Pretty print the AAC encoder. 
Originally committed as revision 19376 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-07-08 20:36:45 +00:00
Alex Converse
78e65cd772 Merge the AAC encoder from SoC svn. It is still considered experimental. 
Originally committed as revision 19375 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-07-08 20:01:31 +00:00