Justin Ruggles
e202cc2580
revert r15812 (E-AC-3 Spectral Extension) pending further review
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Originally committed as revision 15818 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-11-13 22:38:38 +00:00
Justin Ruggles
0cc51734b2
add support for spectral extension
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Originally committed as revision 15812 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-11-13 03:18:13 +00:00
Stefano Sabatini
987903826b
Globally rename the header inclusion guard names.
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Consistently apply this rule: the guard name is obtained from the
filename by stripping the leading "lib", converting '/' and '.' to
'_' and uppercasing the resulting name. Guard names in the root
directory have to be prefixed by "FFMPEG_".
Originally committed as revision 15120 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-31 07:39:47 +00:00
Justin Ruggles
260e09305b
remove unneeded variable, dither_all
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Originally committed as revision 15011 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-28 23:04:15 +00:00
Justin Ruggles
8649e9332c
add definitions and documentation for shared functions for E-AC-3 decoding
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Originally committed as revision 14991 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-27 01:47:03 +00:00
Justin Ruggles
0ffea2439b
copy default coupling band structure from table to decoding context (used for E-AC-3)
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Originally committed as revision 14990 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-27 01:40:46 +00:00
Justin Ruggles
c5b930e674
1000l to me. committed to wrong repo. revert last commit.
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Originally committed as revision 14953 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-24 22:57:25 +00:00
Justin Ruggles
e23e4de3ae
cosmetics: rename some functions from *get_* to *decode_*
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Originally committed as revision 14952 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-24 22:55:08 +00:00
Justin Ruggles
46dd2738ae
remove some unneeded header includes
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Originally committed as revision 14819 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-17 19:56:28 +00:00
Justin Ruggles
ec0350c983
use LFG instead of Mersenne Twister for AC-3 PRNG
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Originally committed as revision 14815 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-17 17:41:48 +00:00
Loren Merritt
911e21a306
simd int->float
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20% faster ac3 if downmixing, 15% if not
Originally committed as revision 14743 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-13 23:35:40 +00:00
Loren Merritt
557ac0c448
optimize ac3_downmix.
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1.3x faster 5.1->stereo, 1.9x faster 5.1->mono.
Originally committed as revision 14719 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-12 23:45:46 +00:00
Loren Merritt
72745cff20
use float_to_int16_interleave in ac3
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Originally committed as revision 14706 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-12 03:01:17 +00:00
Loren Merritt
916d5d6c32
use imdct_half in ac3
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Originally committed as revision 14705 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-12 01:30:24 +00:00
Loren Merritt
0a570e826d
remove mdct tmp buffer
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Originally committed as revision 14702 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-12 00:36:36 +00:00
Justin Ruggles
14b7062829
cosmetics: make all references to AC-3 capitalized and hyphenated
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Originally committed as revision 14523 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-03 16:42:32 +00:00
Justin Ruggles
1db9da5238
cosmetics: vertical alignment
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Originally committed as revision 14516 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-03 02:16:51 +00:00
Justin Ruggles
a52d8c6b32
use MAX_BLOCKS for array size instead of 6
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Originally committed as revision 14515 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-03 02:16:21 +00:00
Justin Ruggles
a42c895207
rearrange dimensions of pre_mantissa array
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Originally committed as revision 14514 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-03 02:11:46 +00:00
Justin Ruggles
bddadace8d
add fields needed for E-AC-3 decoding to decode context
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Originally committed as revision 13714 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-06-08 21:08:53 +00:00
Justin Ruggles
da04be10a2
store exp_strategy for all blocks in decode context
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Originally committed as revision 13704 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-06-07 22:30:47 +00:00
Justin Ruggles
54624396fc
store cpl_in_use for all blocks in decode context
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Originally committed as revision 13703 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-06-07 22:30:43 +00:00
Justin Ruggles
be594ae4b4
cosmetics: add and align references to spec variable names
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Originally committed as revision 13702 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-06-07 22:30:39 +00:00
Justin Ruggles
d7a0ae079c
cosmetics: vertical align
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Originally committed as revision 13701 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-06-07 22:30:35 +00:00
Justin Ruggles
83ce7ff6ca
use macro constants for array sizes in decode context
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Originally committed as revision 13700 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-06-07 22:30:31 +00:00
Justin Ruggles
2288596074
cosmetics: vertical align
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Originally committed as revision 13699 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-06-07 22:30:26 +00:00
Justin Ruggles
2c4c2afaca
cosmetics: reorder decode context fields into logical groups
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Originally committed as revision 13698 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-06-07 22:30:22 +00:00
Justin Ruggles
58ce349f0a
move the decode context and some macro constants to a new file, ac3dec.h
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Originally committed as revision 13697 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-06-07 22:30:16 +00:00
