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Commit Graph

22 Commits

Author SHA1 Message Date
Diego Biurrun
d15153244f refactoring: properly separate AC-3 and E-AC-3 code
Originally committed as revision 19501 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-07-23 02:33:25 +00:00
Ronald S. Bultje
ce863d7f36 Rename ff_log_missing_feature() to av_log_missing_feature().
Originally committed as revision 19294 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-06-29 19:07:04 +00:00
Justin Ruggles
724b8f6ac7 eac3dec: get rid of unnecessary left shifts in 16-bit * 24-bit
multiplication in GAQ mantissa ramapping.

Originally committed as revision 18941 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-05-25 16:12:51 +00:00
Justin Ruggles
cab4e4e84d 10l: typing mistake in r18888
Originally committed as revision 18890 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-05-21 00:28:23 +00:00
Justin Ruggles
37a1cc4834 eac3dec: fix bug in GAQ dequantization. large mantissas should only be
decoded when the gain value is 2 or 4.

Originally committed as revision 18889 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-05-21 00:15:44 +00:00
Justin Ruggles
9907c7804a eac3dec: make GAQ dequantization 24-bit
Originally committed as revision 18888 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-05-21 00:15:03 +00:00
Justin Ruggles
ae04de316f eac3dec: revert commit r18860. keep the AHT IDCT 24-bit. will make AHT GAQ
dequantization 24-bit in a separate commit.

Originally committed as revision 18887 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-05-21 00:09:23 +00:00
Justin Ruggles
9a7a71ed4c eac3dec: use 16-bit pre-mantissas instead of 24-bit in AHT decoding. it is
simpler and also fixes a bug in GAQ dequantization.

Originally committed as revision 18860 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-05-17 06:53:24 +00:00
Justin Ruggles
137707e53a Add documentation about missing E-AC-3 features.
Originally committed as revision 18021 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-03-17 01:43:01 +00:00
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
d98d70d697 ac3dec: add missing feature log message for block start info
Originally committed as revision 16020 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-06 16:19:44 +00:00
Justin Ruggles
3e7aa8fa4c ac3dec: use skip_bits_long() for block start bits
Originally committed as revision 16019 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-06 16:18:10 +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
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
f07fe6e78a simplify code and comment regarding determination whether or not AHT is used.
Originally committed as revision 15101 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-31 03:01:56 +00:00
Justin Ruggles
9cf8ebe38a use correct table name
Originally committed as revision 15099 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-31 02:58:21 +00:00
Justin Ruggles
1ffbafa02b skip converter exponent strategy for all channels at once
Originally committed as revision 15092 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-31 02:38:38 +00:00
Justin Ruggles
e1747bfa4e merge declaration and init. variable is not used outside the loop.
Originally committed as revision 15090 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-31 02:35:58 +00:00
Justin Ruggles
d82bdf684b commit more OKed parts of the E-AC-3 decoder
Originally committed as revision 15067 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-30 23:13:10 +00:00
Justin Ruggles
0c3021eade change eac3dec.c license to LGPL
Originally committed as revision 14936 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-24 04:55:32 +00:00
Justin Ruggles
602031305c add more OKed parts of the E-AC-3 decoder
Originally committed as revision 14912 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-23 02:04:36 +00:00