Justin Ruggles
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2988c93d94
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create a separate codec_id for E-AC-3
Originally committed as revision 15143 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-09-01 14:33:54 +00:00 |
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Justin Ruggles
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1f6a594de4
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turn on E-AC-3 decoding support and update the Changelog
Originally committed as revision 15103 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-31 03:08:18 +00:00 |
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Justin Ruggles
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f2e4eb62dc
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cosmetics: indentation
Originally committed as revision 15089 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-31 02:32:08 +00:00 |
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Justin Ruggles
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8dfc56ec32
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commit more OKed parts of the E-AC-3 decoder
Originally committed as revision 15087 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-31 02:30:09 +00:00 |
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Justin Ruggles
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225c30429d
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commit more OKed parts of the E-AC-3 decoder
Originally committed as revision 15068 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-30 23:19:23 +00:00 |
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Justin Ruggles
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ea364c74a0
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cosmetics: update comment about dithering
Originally committed as revision 15051 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-30 17:51:03 +00:00 |
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Justin Ruggles
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e522bd49c8
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cosmetics: change another "get" to "decode"
Originally committed as revision 15014 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-29 00:09:47 +00:00 |
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Justin Ruggles
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164e169fef
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cosmetics: change "get" to "decode"
Originally committed as revision 15013 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-29 00:06:43 +00:00 |
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Justin Ruggles
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86662b1c89
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cosmetics: indentation
Originally committed as revision 15012 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-28 23:16:21 +00:00 |
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Justin Ruggles
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260e09305b
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remove unneeded variable, dither_all
Originally committed as revision 15011 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-28 23:04:15 +00:00 |
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Justin Ruggles
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aec0407faf
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cosmetics: indent after last commit
Originally committed as revision 15001 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-27 23:23:54 +00:00 |
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Justin Ruggles
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6b4bfed965
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do not read exponent strategies from each block for E-AC-3 since they are in the header
Originally committed as revision 15000 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-27 23:11:05 +00:00 |
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Justin Ruggles
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0ffea2439b
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copy default coupling band structure from table to decoding context (used for E-AC-3)
Originally committed as revision 14990 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-27 01:40:46 +00:00 |
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Justin Ruggles
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e43b29ab26
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add more OKed parts of the E-AC-3 decoder: structural changes to support AHT mode mantissa decoding
Originally committed as revision 14989 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-27 01:36:20 +00:00 |
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Justin Ruggles
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6a68105e2b
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cosmetics: rename some functions from *get_* to *decode_*
Originally committed as revision 14988 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-27 01:24:43 +00:00 |
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Justin Ruggles
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63d72fb167
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fix decoding of coupling leak info for normal AC-3
Originally committed as revision 14913 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-23 03:30:08 +00:00 |
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Justin Ruggles
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0569993ea4
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cosmetics: indentation
Originally committed as revision 14911 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-23 01:55:52 +00:00 |
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Justin Ruggles
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6fafb0202a
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add some approved parts of the E-AC-3 decoder
Originally committed as revision 14910 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-23 01:51:42 +00:00 |
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Justin Ruggles
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ab2a942ad8
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cosmetics: indentation
Originally committed as revision 14863 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-20 01:02:32 +00:00 |
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Justin Ruggles
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bf09b550e6
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commit the OKed parts of the E-AC-3 decoder
Originally committed as revision 14860 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-20 00:32:17 +00:00 |
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Justin Ruggles
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e630027686
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get data size based on the actual data array instead of coding-in the calculation
Originally committed as revision 14859 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-20 00:15:27 +00:00 |
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Justin Ruggles
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8e33132bab
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rename AC3_MAX_FRAME_SIZE to AC3_FRAME_BUFFER_SIZE and increase the size
Originally committed as revision 14858 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-20 00:08:59 +00:00 |
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Justin Ruggles
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46dd2738ae
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remove some unneeded header includes
Originally committed as revision 14819 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-17 19:56:28 +00:00 |
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Justin Ruggles
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ec0350c983
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use LFG instead of Mersenne Twister for AC-3 PRNG
Originally committed as revision 14815 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-17 17:41:48 +00:00 |
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Justin Ruggles
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38c1a5c4d9
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update my email address to one which does not depend on my service provider
Originally committed as revision 14797 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-16 22:42:59 +00:00 |
Loren Merritt
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911e21a306
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simd int->float
20% faster ac3 if downmixing, 15% if not
Originally committed as revision 14743 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-13 23:35:40 +00:00 |
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Loren Merritt
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ac2e556456
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simd downmix
13% faster ac3 if downmixing
Originally committed as revision 14742 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-13 23:33:48 +00:00 |
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Loren Merritt
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45d9d61889
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don't mark the delayed samples for upmixing if they haven't been downmixed
Originally committed as revision 14741 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-13 23:30:53 +00:00 |
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Loren Merritt
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3b6516f7e7
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oops, non-normalized downmix to mono contaminated add_bias for non-simd float-to-int.
Originally committed as revision 14740 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-13 23:30:28 +00:00 |
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Loren Merritt
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557ac0c448
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optimize ac3_downmix.
1.3x faster 5.1->stereo, 1.9x faster 5.1->mono.
Originally committed as revision 14719 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-12 23:45:46 +00:00 |
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Loren Merritt
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72745cff20
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use float_to_int16_interleave in ac3
Originally committed as revision 14706 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-12 03:01:17 +00:00 |
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Loren Merritt
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916d5d6c32
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use imdct_half in ac3
Originally committed as revision 14705 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-12 01:30:24 +00:00 |
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Loren Merritt
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d46ac5bfde
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mdct wrapper function to match fft
Originally committed as revision 14703 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-12 00:38:30 +00:00 |
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Loren Merritt
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0a570e826d
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remove mdct tmp buffer
Originally committed as revision 14702 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-12 00:36:36 +00:00 |
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Justin Ruggles
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5e3e40756e
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cosmetics: use a better function name than uncouple_channels()
Originally committed as revision 14614 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-05 01:49:01 +00:00 |
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Justin Ruggles
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022845ed05
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cosmetics: change function name and comments to refer to block decoding
instead of block parsing
Originally committed as revision 14613 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-05 01:31:40 +00:00 |
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Justin Ruggles
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ba7f712c21
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remove unneeded local variable
Originally committed as revision 14547 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-05 00:32:27 +00:00 |
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Justin Ruggles
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55aff0d901
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Read bitstream parameters for E-AC-3 streams before returning an error.
Originally committed as revision 14528 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-03 22:29:06 +00:00 |
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Justin Ruggles
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602116df9b
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Hardcode the table for ungrouping 3 values in 5 bits. It will be reused by
the E-AC-3 decoder.
Originally committed as revision 14527 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-03 21:42:43 +00:00 |
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Justin Ruggles
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7417120b6f
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use the same table for ungrouping exponents and bap=2 mantissas
Originally committed as revision 14525 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-03 19:24:04 +00:00 |
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Justin Ruggles
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14b7062829
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cosmetics: make all references to AC-3 capitalized and hyphenated
Originally committed as revision 14523 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-08-03 16:42:32 +00:00 |
Peter Ross
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fd76c37fd9
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Modify all codecs to report their supported input and output sample format(s).
Originally committed as revision 14482 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-07-31 10:47:31 +00:00 |
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Justin Ruggles
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4760aec6a0
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read 'coupling in use' parameter from bitstream into decoder context first,
then copy to the local variable.
Originally committed as revision 14311 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-07-19 22:01:46 +00:00 |
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Justin Ruggles
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7645da9194
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cosmetic: use hex value instead of decimal to show relation to 0x7FFFFF
Originally committed as revision 14290 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-07-19 02:54:54 +00:00 |
Stefano Sabatini
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fe4bf37455
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Make AVCodec long_names definition conditional depending on CONFIG_SMALL.
Originally committed as revision 13759 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-06-12 21:50:13 +00:00 |
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Justin Ruggles
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227322b837
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move rematrixing band table to ac3dec_data.c
Originally committed as revision 13716 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-06-08 21:09:02 +00:00 |
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Justin Ruggles
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4397d95ce0
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split up header parsing function
Originally committed as revision 13705 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-06-07 22:30:51 +00:00 |
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Justin Ruggles
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da04be10a2
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store exp_strategy for all blocks in decode context
Originally committed as revision 13704 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-06-07 22:30:47 +00:00 |
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Justin Ruggles
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54624396fc
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store cpl_in_use for all blocks in decode context
Originally committed as revision 13703 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-06-07 22:30:43 +00:00 |
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Justin Ruggles
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58ce349f0a
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move the decode context and some macro constants to a new file, ac3dec.h
Originally committed as revision 13697 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-06-07 22:30:16 +00:00 |