Commit Graph

58 Commits

Author SHA1 Message Date
Alex Converse 03b127477f Re-indent after last commit.
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.
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
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
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
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
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
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.
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_*.
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
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.
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.
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
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
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
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
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()
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.
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()
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
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
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
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
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
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
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
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
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
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
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.
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
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.
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.
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
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
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
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
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
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.
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
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
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
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
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
buffer update sections

Originally committed as revision 14906 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-22 18:18:50 +00:00
Robert Swain 65b20b2485 Reindent after last commit
Originally committed as revision 14882 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-21 12:13:22 +00:00
Robert Swain fbd91d7cad Work around GCC variable may be used uninitialised warning
Originally committed as revision 14881 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-21 12:12:03 +00:00
Robert Swain 1098e8d236 Remove unused variable
Originally committed as revision 14880 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-21 11:29:28 +00:00
Robert Swain 4b0044b750 Reindent
Originally committed as revision 14877 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-21 10:23:55 +00:00
Andreas Öman f339908843 The comment about channel order for AAC 5.1 audio was not correct, fix it.
Originally committed as revision 14875 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-21 07:57:51 +00:00
Robert Swain 7d8f3de4a8 Last hunk of the AAC decoder code to be OKed and build system and documentation
alterations as appropriate

Originally committed as revision 14873 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-21 07:21:26 +00:00