Alex Converse
bb5c0988ea
Fix the channel allocation bug/assumption (issue 800).
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Approved by Rob on IRC.
Originally committed as revision 17856 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-03-06 19:47:01 +00:00
Alex Converse
cfd937b081
AAC: hoist dependent gain lookup out of the loop
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Originally committed as revision 17835 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-03-05 23:10:22 +00:00
Alex Converse
9ef88afac3
AAC: Make the CPE function more consistent with the functions for other channel elements.
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Originally committed as revision 17672 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-03-01 00:23:05 +00:00
Alex Converse
e8d5c07bcc
Re-indent after last commit.
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Originally committed as revision 17600 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-02-26 01:54:16 +00:00
Alex Converse
21e8c46cde
Refactor AAC unsigned band type decoding for a modest speedup.
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Originally committed as revision 17599 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-02-26 01:51:34 +00:00
Alex Converse
039821a838
Use const to better allow the compiler to optimize AAC independent coupling.
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Originally committed as revision 17598 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-02-26 01:50:00 +00:00
Alex Converse
03b127477f
Re-indent after last commit.
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Originally committed as revision 17211 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-02-13 16:07:20 +00:00
Alex Converse
f1ade11e33
Make set coup.gain[c][0] aand only coup.gain[c][0] is set for a independently switched CCE.
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Discussed/OKed at http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2009-February/062219.html
Originally committed as revision 17210 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-02-13 16:06:22 +00:00
Robert Swain
5f401ee03c
AAC: Cosmetic alterations after the last commit
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Originally committed as revision 17182 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-02-12 13:49:59 +00:00
Alex Converse
b2d9d4a531
Give an error message when returning due to an unallocated channel element
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Patch by Alex Converse ( alex converse gmail com )
Originally committed as revision 17181 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-02-12 13:47:21 +00:00
Alex Converse
30272450f9
Add support for sample rate index 12, 7350 Hz
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Patch by Alex Converse ( alex converse gmail com )
Originally committed as revision 17180 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-02-12 13:31:43 +00:00
Alex Converse
ff587009ae
Remove bogus coupling_point assignment for non-CCE as this value is not checked
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in this case
Patch by Alex Converse ( alex converse gmail com )
Originally committed as revision 17179 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-02-12 13:22:41 +00:00
Jai Menon
f418b86151
Check sampling index validity for AAC decoding
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Patch by Jai Menon ( jmenon86 gmail com )
Originally committed as revision 17131 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-02-10 13:47:50 +00:00
Diego Biurrun
bad5537e2c
Use full internal pathname in doxygen @file directives.
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Otherwise doxygen complains about ambiguous filenames when files exist
under the same name in different subdirectories.
Originally committed as revision 16912 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-02-01 02:00:19 +00:00
Aurelien Jacobs
b250f9c66d
Change semantic of CONFIG_*, HAVE_* and ARCH_*.
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They are now always defined to either 0 or 1.
Originally committed as revision 16590 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-01-13 23:44:16 +00:00
Robert Swain
158b39126d
Support ADTS AAC files in the ffaac decoder (limited to streams containing one
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raw_data_block() per ADTS frame)
Patch by Alex Converse ( alex converse gmail com) based on a patch by Robert
Swain ( robert swain gmail com )
Originally committed as revision 16485 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-01-07 22:09:21 +00:00
Carl Eugen Hoyos
6735e2c810
Revert r16375: It broke aac decoding.
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Originally committed as revision 16376 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-28 20:08:39 +00:00
Carl Eugen Hoyos
69b38d4dc3
Reduce number of warnings when compiling with icc by two.
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Originally committed as revision 16375 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-28 19:48:43 +00:00
Robert Swain
897c1703d0
AAC: Reindent after last commit
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Originally committed as revision 16251 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-21 05:32:55 +00:00
Alex Converse
aab5413323
AAC: Fix AAC prediction when used in conjunction with the CPE
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Patch by Alex Converse (alex converse gmail com)
Originally committed as revision 16250 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-21 05:28:14 +00:00
Alex Converse
99665a21f4
AAC: Don't write an illegal sampling_index in a PCE to the MPEG4AudioConfig
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member
Patch by Alex Converse (alex converse gmail com)
Originally committed as revision 16249 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-21 05:08:32 +00:00
Måns Rullgård
8153f14444
AAC: move scratch array to context to ensure 16-byte alignment
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Originally committed as revision 16043 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-10 00:50:59 +00:00
Alex Converse
4a904903dc
AAC: Use a sign LUT rather than 1-2*get_bits1()
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Patch by Alex Converse (alex converse gmail com)
Originally committed as revision 16041 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-09 17:14:42 +00:00
Alex Converse
c0893c3abb
AAC: Unroll code within decode_spectrum_and_dequant(). Gives 12% net speed gain.
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Patch by Alex Converse (alex converse gmail com)
Originally committed as revision 16040 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-09 17:08:40 +00:00
Alex Converse
8821210575
AAC: Remove unnecessary fabsf()
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Patch by Alex Converse (alex converse gmail com)
Originally committed as revision 16039 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-09 11:35:08 +00:00
Stefano Sabatini
dbbec0c2f2
Make av_log_missing_feature an internal function, and change its name
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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
Robert Swain
8f5aaa6d2f
AAC: Cosmetics after last commit
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Originally committed as revision 15920 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-11-24 00:14:33 +00:00
Alex Converse
7633a0415d
AAC: Frequency domain prediction and hence Main profile support
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Patch by Alex Converse ( alex converse gmail com )
Originally committed as revision 15919 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-11-24 00:13:50 +00:00
Alex Converse
d0ee50216d
Fix perceptual noise shaping scaling including an oversight of the offset for
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the EIGHT_SHORT window type. Fixes issue 664.
Patch by Alex Converse (alex converse gmail com)
Originally committed as revision 15776 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-11-05 13:59:42 +00:00
Aurelien Jacobs
37d3e0667a
uses FF_ARRAY_ELEMS() where appropriate
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Originally committed as revision 15662 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-10-21 21:40:24 +00:00
Alex Converse
fbdae895f2
Rename variables to clarify the channel coupling element and corresponding
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target channel element.
Patch by Alex Converse (alex converse gmail com)
Originally committed as revision 15575 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-10-06 16:22:11 +00:00
Alex Converse
88de95c2f9
Corrections to channel coupling code to attain conformance for appropriate
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streams.
Slightly reworked from a patch by Alex Converse (alex converse gmail com)
Originally committed as revision 15573 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-10-06 16:12:30 +00:00
Robert Swain
341b28c0d2
Zero 'idx' for each iteration of the coupling gain loop and as it is only used
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within this loop, we can move its declaration there too. This fixes bitstream
desync when decoding streams containing CCEs.
Based on a patch by Alex Converse (alex converse gmail com)
Originally committed as revision 15364 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-18 16:02:51 +00:00
Robert Swain
f80a8ca5cb
Cosmetics: missing brackets
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Originally committed as revision 15363 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-18 15:48:37 +00:00
Alex Converse
c8947a5612
Cast the return value of get_bits() to signed integer such that the subtraction
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is conducted as a signed calculation.
Patch by Alex Converse (alex converse gmail com)
Originally committed as revision 15362 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-18 15:35:08 +00:00
Alex Converse
aac0eda407
Validate pulse position and error out if an invalid position is encountered.
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Patch by Alex Converse (alex converse gmail com)
Originally committed as revision 15340 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-16 15:59:43 +00:00
Robert Swain
70735a3f9e
Reindent after last commit
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Originally committed as revision 15315 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-13 20:52:57 +00:00
Alex Converse
5143684891
Apply pulses to unscaled coefficients rather than scaled.
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Slight reworking of a patch by Alex Converse (alex converse gmail com)
Originally committed as revision 15314 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-13 20:51:36 +00:00
Robert Swain
408992bae2
Operands of '+' are not necessarily evaluated in order so r15311 was pointless.
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Splitting the assignment onto two lines should resolve the order issue.
Originally committed as revision 15313 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-13 20:22:31 +00:00
Alex Converse
19645d742e
Correct order of parsing for pulse scalefactor band and offset to match the
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specification.
Patch by Alex Converse (alex converse gmail com)
Originally committed as revision 15311 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-13 18:47:43 +00:00
Robert Swain
35445d29f5
Reindent after last commit
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Originally committed as revision 15304 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-12 14:33:35 +00:00
Alex Converse
5167364777
Only read some of TNS bitstream data in the case that the TNS filter order is
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non-zero as per the specification.
Patch by Alex Converse (alex converse gmail com)
Fixes another issue pertaining to issue632
Originally committed as revision 15303 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-12 14:32:49 +00:00
Robert Swain
febcbd65fa
Correct pulse amplitude application - a negative or 0 coefficient implies the
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pulse is subtracted, else it is added. Also avoid a divide by 0.
Based on a patch by Alex Converse (alex converse gmail com)
Fixes part of issue632
Originally committed as revision 15294 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-11 01:22:34 +00:00
Vitor Sessak
1775c7fac6
Multiply table by -1. This avoid doing this calculation (that was introduced
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in my last commit) in real time.
Originally committed as revision 15195 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-04 15:04:08 +00:00
Vitor Sessak
1be0fc2909
Avoid duplicating compute_lpc_coefs() function in both the RA288 and AAC decoders.
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Originally committed as revision 15193 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-09-04 11:03:14 +00:00
Robert Swain
93b63b1a67
Fix typo in element type
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Originally committed as revision 15037 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-29 20:19:23 +00:00
Robert Swain
f4fae46e67
Remove unnecessary portion of a condition. This fixes issue607 and avoids
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another unintended bug where channel coupling could have been run on an SCE.
Originally committed as revision 15036 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-29 20:18:34 +00:00
Robert Swain
b0f5852a13
Use ff_imdct_half() and vector_fmul_window() for IMDCT and windowing. Reduce
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buffer sizes accordingly. This produces a ~10% overall decoding perfomance
improvement.
Originally committed as revision 14908 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-22 18:21:22 +00:00
Robert Swain
db38c38624
Whitespace cosmetics after the last commit
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Originally committed as revision 14907 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-22 18:19:18 +00:00
Robert Swain
f49905588a
Separate code in imdct_and_windowing() into distinct IMDCT, windowing and
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buffer update sections
Originally committed as revision 14906 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-22 18:18:50 +00:00