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Commit Graph

246 Commits

Author SHA1 Message Date
Alex Converse
11d6f38cc9 Factorise enum of AC3 error types to be usable by AAC in the ADTS patch that
will follow

Patch by Alex Converse ( alex converse gmail com )

Originally committed as revision 16479 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-01-07 18:10:10 +00:00
Stefano Sabatini
dbbec0c2f2 Make av_log_missing_feature an internal function, and change its name
to ff_log_missing_feature.

Originally committed as revision 16037 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-08 21:21:38 +00:00
Justin Ruggles
20e047262f cosmetics: alignment after last commit
Originally committed as revision 16035 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-08 03:15:10 +00:00
Justin Ruggles
72a6244b5d ac3: detect dba errors and prevent writing past end of array
Originally committed as revision 16034 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-08 03:13:20 +00:00
Justin Ruggles
2ceccf045c ac3dec: simplify exponent bounds checking
Originally committed as revision 16022 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-06 16:33:16 +00:00
Justin Ruggles
96f229d6c0 ac3dec: unroll inner loop in exponent decoding. 46% faster decode_exponents().
Originally committed as revision 16018 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-06 15:46:23 +00:00
Justin Ruggles
806703243e cosmetics: vertical alignment
Originally committed as revision 16017 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-06 15:38:21 +00:00
Justin Ruggles
1cdd567f31 cosmetics: reindent after last commit
Originally committed as revision 16016 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-06 15:37:04 +00:00
Justin Ruggles
ce7d842fa6 ac3dec: detect out-of-range exponents
Originally committed as revision 16015 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-06 15:36:23 +00:00
Justin Ruggles
f23dc1e1f9 silence gcc warning: ‘n_bands’ may be used uninitialized
Originally committed as revision 15999 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-04 02:56:25 +00:00
Justin Ruggles
75b53b2123 ac3dec: use uint8_t for band sizes
Originally committed as revision 15998 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-04 02:51:39 +00:00
Justin Ruggles
af2272b209 ac3dec: skip decoding and use error concealment for remaining blocks in
the frame after an error occurs.

Originally committed as revision 15987 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-03 03:34:31 +00:00
Justin Ruggles
e202cc2580 revert r15812 (E-AC-3 Spectral Extension) pending further review
Originally committed as revision 15818 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-11-13 22:38:38 +00:00
Justin Ruggles
3f3ca7ac07 cosmetics: vertical alignment
Originally committed as revision 15815 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-11-13 03:18:28 +00:00
Justin Ruggles
c763f86728 silence a gcc warning about using an uninitialized variable
Originally committed as revision 15814 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-11-13 03:18:24 +00:00
Justin Ruggles
66561189a1 cosmetics: indentation
Originally committed as revision 15813 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-11-13 03:18:18 +00:00
Justin Ruggles
0cc51734b2 add support for spectral extension
Originally committed as revision 15812 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-11-13 03:18:13 +00:00
Justin Ruggles
0c5d750df9 add a generic function to decode banding structure for coupling, spectral
extension, or enhanced coupling

Originally committed as revision 15811 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-11-13 03:18:07 +00:00
Justin Ruggles
6c6f927289 add a line break in error message text
Originally committed as revision 15810 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-11-13 03:18:01 +00:00
Justin Ruggles
6ee6d068f7 simplify decoding of coupling frequency range
Originally committed as revision 15809 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-11-13 03:17:56 +00:00
Justin Ruggles
24834c1928 cosmetics: rename two variables
Originally committed as revision 15808 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-11-13 03:17:50 +00:00
Michael Niedermayer
047599a4ba Rename error_resilience to error_recognition.
Originally committed as revision 15270 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-08 18:18:49 +00:00
Justin Ruggles
2988c93d94 create a separate codec_id for E-AC-3
Originally committed as revision 15143 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-01 14:33:54 +00:00
Justin Ruggles
1f6a594de4 turn on E-AC-3 decoding support and update the Changelog
Originally committed as revision 15103 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-31 03:08:18 +00:00
Justin Ruggles
f2e4eb62dc cosmetics: indentation
Originally committed as revision 15089 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-31 02:32:08 +00:00
Justin Ruggles
8dfc56ec32 commit more OKed parts of the E-AC-3 decoder
Originally committed as revision 15087 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-31 02:30:09 +00:00
Justin Ruggles
225c30429d commit more OKed parts of the E-AC-3 decoder
Originally committed as revision 15068 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-30 23:19:23 +00:00
Justin Ruggles
ea364c74a0 cosmetics: update comment about dithering
Originally committed as revision 15051 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-30 17:51:03 +00:00
Justin Ruggles
e522bd49c8 cosmetics: change another "get" to "decode"
Originally committed as revision 15014 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-29 00:09:47 +00:00
Justin Ruggles
164e169fef cosmetics: change "get" to "decode"
Originally committed as revision 15013 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-29 00:06:43 +00:00
Justin Ruggles
86662b1c89 cosmetics: indentation
Originally committed as revision 15012 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-28 23:16:21 +00:00
Justin Ruggles
260e09305b remove unneeded variable, dither_all
Originally committed as revision 15011 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-28 23:04:15 +00:00
Justin Ruggles
aec0407faf cosmetics: indent after last commit
Originally committed as revision 15001 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-27 23:23:54 +00:00
Justin Ruggles
6b4bfed965 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
2008-08-27 23:11:05 +00:00
Justin Ruggles
0ffea2439b 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
2008-08-27 01:40:46 +00:00
Justin Ruggles
e43b29ab26 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
2008-08-27 01:36:20 +00:00
Justin Ruggles
6a68105e2b cosmetics: rename some functions from *get_* to *decode_*
Originally committed as revision 14988 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-27 01:24:43 +00:00
Justin Ruggles
63d72fb167 fix decoding of coupling leak info for normal AC-3
Originally committed as revision 14913 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-23 03:30:08 +00:00
Justin Ruggles
0569993ea4 cosmetics: indentation
Originally committed as revision 14911 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-23 01:55:52 +00:00
Justin Ruggles
6fafb0202a add some approved parts of the E-AC-3 decoder
Originally committed as revision 14910 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-23 01:51:42 +00:00
Justin Ruggles
ab2a942ad8 cosmetics: indentation
Originally committed as revision 14863 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-20 01:02:32 +00:00
Justin Ruggles
bf09b550e6 commit the OKed parts of the E-AC-3 decoder
Originally committed as revision 14860 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-20 00:32:17 +00:00
Justin Ruggles
e630027686 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
2008-08-20 00:15:27 +00:00
Justin Ruggles
8e33132bab 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
2008-08-20 00:08:59 +00:00
Justin Ruggles
46dd2738ae remove some unneeded header includes
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
Originally committed as revision 14815 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-17 17:41:48 +00:00
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