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 |
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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 |
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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 |
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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 |
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Justin Ruggles
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30f71adc46
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move mix level tables from parser to decoder. have parser read bitstream value instead of using an index to a table in the decoder.
Originally committed as revision 13696 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-06-07 22:30:09 +00:00 |
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Justin Ruggles
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caf0fbc889
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add more gain levels and adjust mix level tables accordingly.
Originally committed as revision 13695 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-06-07 22:30:03 +00:00 |
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Justin Ruggles
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687671f03b
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pass bap table to ff_ac3_bit_alloc_calc_bap()
Originally committed as revision 13694 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-06-07 22:29:54 +00:00 |
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Justin Ruggles
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4921bbbae5
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cosmetics: indent
Originally committed as revision 13692 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-06-07 22:29:38 +00:00 |
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Justin Ruggles
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aa5d6be8df
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skip unsupported frame types and substream id's
Originally committed as revision 13691 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-06-07 22:29:27 +00:00 |
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Justin Ruggles
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be5f17b96b
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read frame type from header info into decode context
Originally committed as revision 13690 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-06-07 22:29:19 +00:00 |
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Justin Ruggles
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3596aa6fe6
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get substreamid from ac3 parser
Originally committed as revision 13689 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-06-07 22:29:11 +00:00 |
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Justin Ruggles
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6730e9f300
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get the number of blocks from the ac3 parser and use in the ac3 decoder.
Originally committed as revision 13688 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-06-07 22:29:03 +00:00 |
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Justin Ruggles
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7af26d14ac
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return error on frame sync error
Originally committed as revision 13654 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-06-04 00:31:20 +00:00 |
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Justin Ruggles
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fb2b88a816
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cosmetics: add a comment, remove a comment
Originally committed as revision 13590 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-05-31 22:12:49 +00:00 |
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Justin Ruggles
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9b57545934
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simplify
Originally committed as revision 13589 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-05-31 22:12:01 +00:00 |
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Justin Ruggles
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6e74513a48
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set lfe params at frame init instead of in every block
Originally committed as revision 13588 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-05-31 21:57:45 +00:00 |
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Justin Ruggles
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b85a15fe73
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only calculate number of exponent groups when exponents are not reused.
Originally committed as revision 13587 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-05-31 21:53:31 +00:00 |
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Justin Ruggles
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aa148649a4
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cosmetics: remove unneeded braces
Originally committed as revision 13586 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-05-31 21:37:28 +00:00 |
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Justin Ruggles
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7e13b31c19
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10l: cosmetics
Originally committed as revision 13585 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-05-31 19:59:10 +00:00 |
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Justin Ruggles
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e25973a1fd
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new dba values requires running last 2 bit allocation stages
Originally committed as revision 13584 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-05-31 19:56:54 +00:00 |
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Justin Ruggles
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ff5d419e2f
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get_transform_coeffs() never returns an error, so make the function and its children return void.
Originally committed as revision 13582 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-05-31 16:04:41 +00:00 |
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Justin Ruggles
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fbe52e4188
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use enum value for CRC error
Originally committed as revision 13580 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-05-31 15:31:57 +00:00 |
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Justin Ruggles
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c78c6d6c58
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move header error logging to after CRC check
Originally committed as revision 13579 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-05-31 15:30:55 +00:00 |
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Justin Ruggles
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bd98e9e230
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zero the upper frequencies of the correct coefficients
Originally committed as revision 13452 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-05-27 00:43:39 +00:00 |
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Justin Ruggles
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eccba2bc4b
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safer solution for setting audio parameters
Originally committed as revision 13402 to svn://svn.ffmpeg.org/ffmpeg/trunk
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2008-05-25 20:02:24 +00:00 |
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