60e0ee7ca2
lpc: always initialize ref and err
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CC: libav-stable@libav.org
Bug-Id: CID 29585 / CID 700759
2014-11-14 20:25:52 +01:00
1221bb6239
x86: lpc: fix a segfault in av_evaluate_lls_sse2()
2013-06-30 23:11:19 +00:00
c93ccf5a4c
lpc: use levinson for the first pass of multipass cholesky
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Levinson is faster, and cholesky is only needed if we want to apply different
weights to different samples, which doesn't happen on the first pass.
Signed-off-by: Luca Barbato <lu_zero@gentoo.org >
2013-06-29 13:26:52 +02:00
502ab21af0
x86: lpc: simd av_update_lls
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4x-6x faster on sandybridge
Signed-off-by: Luca Barbato <lu_zero@gentoo.org >
2013-06-29 13:23:57 +02:00
41578f70cf
lpc: use function pointers, in preparation for asm
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Signed-off-by: Luca Barbato <lu_zero@gentoo.org >
2013-06-29 13:23:57 +02:00
cc6714bb16
lpc: remove "decay" argument
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We never used the rolling-average mode, and this makes av_update_lls 15% faster.
Signed-off-by: Luca Barbato <lu_zero@gentoo.org >
2013-06-29 13:23:57 +02:00
9d4da474f5
lls: move to the private namespace
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The functions are private.
2013-02-28 17:39:24 +01:00
8b25a20efb
lpc: Add a function for calculating reflection coefficients from samples
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Signed-off-by: Martin Storsjö <martin@martin.st >
2012-10-29 21:53:16 +02:00
f101eab1be
x86: call most of the x86 dsp init functions under if (ARCH_X86)
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Rename the called dsp init functions to *_init_x86.
2012-10-08 11:54:05 +02:00
4b0e0f31bf
lpc: fix alignment of windowed samples for odd maximum LPC order
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Fixes crash on x86 due to alignment requirements for w_data in
lpc_apply_welch_window_sse2().
2012-08-22 16:41:50 -04:00
1d9c2dc89a
Don't include common.h from avutil.h
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Signed-off-by: Martin Storsjö <martin@martin.st >
2012-08-15 22:32:06 +03:00
32f3c541bc
doxygen: Do not include license boilerplates in Doxygen comment blocks.
2012-02-06 19:39:24 +01:00
c18365402b
Replace Subversion revisions in comments by Git hashes.
2011-12-21 09:04:25 +01:00
96c1e6d40d
doxygen: Make sure parameter names match between .c and .h files.
2011-07-14 04:09:49 +02:00
24c9babaaf
doxygen: Fix parameter names to match the function prototypes.
2011-07-03 18:30:02 +02:00
188dea1dbf
lavc: move some flac-specific options to its private context.
2011-05-10 07:42:33 +02:00
2912e87a6c
Replace FFmpeg with Libav in licence headers
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Signed-off-by: Mans Rullgard <mans@mansr.com >
2011-03-19 13:33:20 +00:00
1c189fc533
cosmetics related to LPC changes.
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Signed-off-by: Mans Rullgard <mans@mansr.com >
2011-01-21 19:59:08 +00:00
77a78e9bdc
Separate window function from autocorrelation.
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Signed-off-by: Mans Rullgard <mans@mansr.com >
2011-01-21 19:59:08 +00:00
56f8952b25
Move lpc_compute_autocorr() from DSPContext to a new struct LPCContext.
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Signed-off-by: Mans Rullgard <mans@mansr.com >
2011-01-21 19:58:59 +00:00
23940f1405
Add AVCodecContext.lpc_type and Add AVCodecContext.lpc_passes fields.
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Add AVLPCType enum.
Deprecate AVCodecContext.use_lpc.
Originally committed as revision 24199 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-07-11 16:56:20 +00:00
49bd8e4b84
Fix grammar errors in documentation
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Originally committed as revision 23904 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-30 15:38:06 +00:00
fde82ca7e4
Move autocorrelation function from flacenc.c to lpc.c. Also rename the
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corresponding dsputil functions and remove their dependency on the FLAC
encoder.
Fixes Issue1486.
Originally committed as revision 20266 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-10-17 21:00:39 +00:00
3cfe88194a
lpc: Remove false positive compilation warning about weight being
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uninitialized. Patch by Patrik Kullman (patrik A yes D nu).
Originally committed as revision 17218 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-02-13 22:05:55 +00:00
eabe8c7033
Assert that ff_lpc_calc_coefs() is called with a valid LPC method.
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Patch by Patrik Kullman (patrik A yes D nu).
Originally committed as revision 17217 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-02-13 22:03:11 +00:00
83f63ffb22
lpc: Document the use_lpc parameter to ff_lpc_calc_coefs().
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Patch by Patrik Kullman (patrik A yes D nu).
Originally committed as revision 17216 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-02-13 22:01:46 +00:00
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
f6a1ca1dad
Misc cosmetics in compute_lpc_coefs(): braces removal and empty lines
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Originally committed as revision 15093 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-31 02:39:55 +00:00
fc324cd523
Remove useless var in compute_lpc_coefs()
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Originally committed as revision 15091 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-31 02:37:04 +00:00
5d2dd90848
Merge declaration and initialization of a few vars in compute_lpc_coefs()
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Originally committed as revision 15088 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-31 02:31:05 +00:00
f991d423d2
Remove useless zeroing of a buffer
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Originally committed as revision 15038 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-29 21:12:30 +00:00
8e84913db4
cosmetics: Fix incorrect indentation.
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Originally committed as revision 14878 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-21 10:31:08 +00:00
38c1a5c4d9
update my email address to one which does not depend on my service provider
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Originally committed as revision 14797 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-16 22:42:59 +00:00
81fc8a63c5
use range of lpc orders in ORDER_METHOD_EST
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Originally committed as revision 14796 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-16 21:39:09 +00:00
9045f5e72d
cosmetics: adjust line breaks and vertical alignment
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Originally committed as revision 14795 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-16 21:32:03 +00:00
56c07e2989
use limited range of lpc orders when quantizing coefficients
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Originally committed as revision 14794 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-16 21:24:06 +00:00
e9e3c9801e
lpc: cosmetics: vertically align declarations and definitions.
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Originally committed as revision 14792 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-16 17:28:29 +00:00
c50da3ad6c
flacenc, lpc: Move LPC code from flacenc.c to new lpc.[ch] files.
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Originally committed as revision 14790 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-16 17:18:20 +00:00
