Commit Graph

350 Commits

Author SHA1 Message Date
Justin Ruggles
38c1a5c4d9 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
2008-08-16 22:42:59 +00:00
Loren Merritt
911e21a306 simd int->float
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
ac2e556456 simd downmix
13% faster ac3 if downmixing

Originally committed as revision 14742 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-13 23:33:48 +00:00
Loren Merritt
45d9d61889 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
2008-08-13 23:30:53 +00:00
Loren Merritt
3b6516f7e7 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
2008-08-13 23:30:28 +00:00
Loren Merritt
557ac0c448 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
2008-08-12 23:45:46 +00:00
Loren Merritt
72745cff20 use float_to_int16_interleave in ac3
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
Originally committed as revision 14705 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-12 01:30:24 +00:00
Loren Merritt
d46ac5bfde mdct wrapper function to match fft
Originally committed as revision 14703 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-12 00:38:30 +00:00
Loren Merritt
0a570e826d remove mdct tmp buffer
Originally committed as revision 14702 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-12 00:36:36 +00:00
Justin Ruggles
5e3e40756e cosmetics: use a better function name than uncouple_channels()
Originally committed as revision 14614 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-05 01:49:01 +00:00
Justin Ruggles
022845ed05 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
2008-08-05 01:31:40 +00:00
Justin Ruggles
ba7f712c21 remove unneeded local variable
Originally committed as revision 14547 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-05 00:32:27 +00:00
Justin Ruggles
55aff0d901 Read bitstream parameters for E-AC-3 streams before returning an error.
Originally committed as revision 14528 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-03 22:29:06 +00:00
Justin Ruggles
602116df9b 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
2008-08-03 21:42:43 +00:00
Justin Ruggles
7417120b6f use the same table for ungrouping exponents and bap=2 mantissas
Originally committed as revision 14525 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-03 19:24:04 +00:00
Justin Ruggles
14b7062829 cosmetics: make all references to AC-3 capitalized and hyphenated
Originally committed as revision 14523 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-03 16:42:32 +00:00
Peter Ross
fd76c37fd9 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
2008-07-31 10:47:31 +00:00
Justin Ruggles
4760aec6a0 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
2008-07-19 22:01:46 +00:00
Justin Ruggles
7645da9194 cosmetic: use hex value instead of decimal to show relation to 0x7FFFFF
Originally committed as revision 14290 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-07-19 02:54:54 +00:00
Stefano Sabatini
fe4bf37455 Make AVCodec long_names definition conditional depending on CONFIG_SMALL.
Originally committed as revision 13759 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-06-12 21:50:13 +00:00
Justin Ruggles
227322b837 move rematrixing band table to ac3dec_data.c
Originally committed as revision 13716 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-06-08 21:09:02 +00:00
Justin Ruggles
4397d95ce0 split up header parsing function
Originally committed as revision 13705 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-06-07 22:30:51 +00:00
Justin Ruggles
da04be10a2 store exp_strategy for all blocks in decode context
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
Originally committed as revision 13703 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-06-07 22:30:43 +00:00
Justin Ruggles
58ce349f0a 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
2008-06-07 22:30:16 +00:00
Justin Ruggles
30f71adc46 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
2008-06-07 22:30:09 +00:00
Justin Ruggles
caf0fbc889 add more gain levels and adjust mix level tables accordingly.
Originally committed as revision 13695 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-06-07 22:30:03 +00:00
Justin Ruggles
687671f03b pass bap table to ff_ac3_bit_alloc_calc_bap()
Originally committed as revision 13694 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-06-07 22:29:54 +00:00
Justin Ruggles
4921bbbae5 cosmetics: indent
Originally committed as revision 13692 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-06-07 22:29:38 +00:00
Justin Ruggles
aa5d6be8df skip unsupported frame types and substream id's
Originally committed as revision 13691 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-06-07 22:29:27 +00:00
Justin Ruggles
be5f17b96b read frame type from header info into decode context
Originally committed as revision 13690 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-06-07 22:29:19 +00:00
Justin Ruggles
3596aa6fe6 get substreamid from ac3 parser
Originally committed as revision 13689 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-06-07 22:29:11 +00:00
Justin Ruggles
6730e9f300 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
2008-06-07 22:29:03 +00:00
Justin Ruggles
7af26d14ac return error on frame sync error
Originally committed as revision 13654 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-06-04 00:31:20 +00:00
Justin Ruggles
fb2b88a816 cosmetics: add a comment, remove a comment
Originally committed as revision 13590 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-05-31 22:12:49 +00:00
Justin Ruggles
9b57545934 simplify
Originally committed as revision 13589 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-05-31 22:12:01 +00:00
Justin Ruggles
6e74513a48 set lfe params at frame init instead of in every block
Originally committed as revision 13588 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-05-31 21:57:45 +00:00
Justin Ruggles
b85a15fe73 only calculate number of exponent groups when exponents are not reused.
Originally committed as revision 13587 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-05-31 21:53:31 +00:00
Justin Ruggles
aa148649a4 cosmetics: remove unneeded braces
Originally committed as revision 13586 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-05-31 21:37:28 +00:00
Justin Ruggles
7e13b31c19 10l: cosmetics
Originally committed as revision 13585 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-05-31 19:59:10 +00:00
Justin Ruggles
e25973a1fd new dba values requires running last 2 bit allocation stages
Originally committed as revision 13584 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-05-31 19:56:54 +00:00
Justin Ruggles
ff5d419e2f 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
2008-05-31 16:04:41 +00:00
Justin Ruggles
fbe52e4188 use enum value for CRC error
Originally committed as revision 13580 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-05-31 15:31:57 +00:00
Justin Ruggles
c78c6d6c58 move header error logging to after CRC check
Originally committed as revision 13579 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-05-31 15:30:55 +00:00
Justin Ruggles
bd98e9e230 zero the upper frequencies of the correct coefficients
Originally committed as revision 13452 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-05-27 00:43:39 +00:00
Justin Ruggles
eccba2bc4b safer solution for setting audio parameters
Originally committed as revision 13402 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-05-25 20:02:24 +00:00
Justin Ruggles
cf03a8173a set audio parameters if frame header is ok, even if crc fails
Originally committed as revision 13399 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-05-25 18:54:17 +00:00
Justin Ruggles
3336110acf cosmetics: indent
Originally committed as revision 13398 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-05-25 18:06:01 +00:00
Justin Ruggles
ecfe94b294 add error concealment
Originally committed as revision 13397 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-05-25 18:05:15 +00:00