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2018-09-27Prevent the SILK counter from overflowing after 2 years and 9 monthsJean-Marc Valin
or "just" 1 year and 4 months for 10-ms frames. The overflow can eventually cause a divide-by-zero when counter == -16 Thanks to Dmitry Malinin for reporting the bug.
2018-03-27Converting some silk_assert()s into hardening celt_assert()sJean-Marc Valin
Only converted the ones that are really sure (not signal-dependent) and that shouldn't add much run-time complexity
2018-02-18Fixes integer overflow in SILK VAD for 10-ms framesJean-Marc Valin
Reported by Chandrakala Madhira on the mailing list
2014-10-04Cisco optimization for x86 & fixed pointxiangmingzhu
1. Only for fixed point on x86 platform (32bit and 64bit, uses SIMD intrinsics up to SSE4.2) 2. Use "configure --enable-fixed-point --enable-intrinsics" to enable optimization, default is disabled. 3. Official test cases are verified and passed. Signed-off-by: Timothy B. Terriberry <tterribe@xiph.org>
2013-10-28Replace "inline" with OPUS_INLINE.Gregory Maxwell
Newer versions of MSVC are unhappy with the strategy of the build environment redefining "inline" (even though they don't support the actual keyword). Instead we define OPUS_INLINE to the right thing in opus_defines.h. This is the same approach we use for restrict.
2013-09-17Remove trailing whitespace from the license headers.Ralph Giles
2013-05-24Move misplaced RESTORE_STACK.Timothy B. Terriberry
Introduced in c152d602. Thanks to Pedro Becerra for the report.
2013-05-20Convert quotes in license headers to ASCII.Timothy B. Terriberry
Since the last patch originally had them mangled (presumably by mailer, http server, or something else), let's just get rid of them.
2013-05-08Use dynamic stack allocation in the SILK encoder.Timothy B. Terriberry
This makes all remaining large stack allocations use the vararray macros. This continues the work of 6f2d9f50 to allow compiling with NONTHREADSAFE_PSEUDOSTACK to move the memory for large buffers off the stack for devices where it is very limited. It also does this for some additional large buffers used by the PLC in the decoder.
2012-05-23Use 'frame' instead of 'signal', take out stdlib.h in silk/.Gregory Maxwell
On MacOS, stdlib.h ends up including sys/signal.h, generating warnings about the local variables called 'signal' shadowing the global symbol signal(3). This was originally done in 86476906 but it missed some use of 'signal' in prototypes in headers where it didn't cause warnings. Later the prototypes were moved around and the warnings came back. This also cleans up some cases in where stdlib.h was used but shouldn't be required.
2012-04-24Merge commit '390c89225d'Jean-Marc Valin
2012-04-21License update using the IETF Trust flavour of the BSD on the Silk codeJean-Marc Valin
2012-03-08Fixes a bunch of 16-bit issues that the C5X compiler warns aboutJean-Marc Valin
2011-12-13SILK fixes following last codec WG meetingKoen Vos
decoder: - fixed incorrect scaling of filter states for the smallest quantization step sizes - NLSF2A now limits the prediction gain of LPC filters encoder: - increased damping of LTP coefficients in LTP analysis - increased white noise fraction in noise shaping LPC analysis - introduced maximum total prediction gain. Used by Burg's method to exit early if prediction gain is exceeded. This improves packet loss robustness and numerical robustness in Burg's method - Prefiltered signal is now in int32 Q10 domain, from int16 Q0 - Increased max number of iterations in CBR gain control loop from 5 to 6 - Removed useless code from LTP scaling control - Optimization: smarter LPC loop unrolling - Switched default win32 compile mode to be floating-point resampler: - made resampler have constant delay of 0.75 ms; removed delay compensation from silk code. - removed obsolete table entries (~850 Bytes) - increased downsampling filter order from 16 to 18/24/36 (depending on frequency ratio) - reoptimized filter coefficients
2011-10-29Reformatting changes with an update to the MSVC project filesKoen Vos
2011-09-29Misc. silk/ cleanups: static inline things which are only used in one file.Gregory Maxwell
2011-09-16Removed all the silk_ prefixes in source file names (not symbols)Jean-Marc Valin
2011-04-29Moved all SILK source code to the silk/ directoryJean-Marc Valin
2011-04-28Relying on SILK for the switching decisionsJean-Marc Valin
2011-04-28SILK makefile updateJean-Marc Valin
2011-04-27Changing the SILK bandwidth only when there's no speechJean-Marc Valin
2011-04-27SILK updateKoen Vos
2011-03-18Project files updateJean-Marc Valin
2011-03-17DTX fixJean-Marc Valin
2011-03-08Support for glitchles mode switchingJean-Marc Valin
Uses a 5ms redundant CELT frame embedded into the SILK or hybrid packet to handle the switching. It's still possible to use the PLC-based method when no redundant packet is included.
2011-03-04SILK bugfixJean-Marc Valin
2011-03-02SILK updateJean-Marc Valin
2011-03-01SILK/CELT updateJean-Marc Valin
2011-02-18SILK updateJean-Marc Valin
2011-02-15fix make distJean-Marc Valin
2011-02-15missing filesJean-Marc Valin
2011-02-15SILK and CELT updatesJean-Marc Valin
2011-02-14Update for in-band FECKoen Vos
2011-02-04Update Opus range coder due to CELT refactoring.Timothy B. Terriberry
The byte buffer is now part of the range coder struct itself, and rangeenc.c and rangedec.c have gone away.
2011-02-03Build fixesJean-Marc Valin
2011-02-03Testing the range coder final stateKoen Vos
2011-02-03SILK updateJean-Marc Valin
2011-02-03SILK updateJean-Marc Valin
2011-02-03SILK update (fixing segfault) and MSVS fixJean-Marc Valin
2011-02-02SILK updateJean-Marc Valin
2011-02-01Disabling debugJean-Marc Valin
2010-11-13Adding missing SILK files to the buildJean-Marc Valin
2010-11-12Updated to follow changes in SILK APIJean-Marc Valin
2010-07-09SILK build updateJean-Marc Valin
2010-07-08Build updateJean-Marc Valin
2010-07-08autotools-based build systemJean-Marc Valin
2010-07-06Adds a _ctl() control API to the encoder and decoderJean-Marc Valin
2010-07-06Fixing a high bit-rate bug in SILK -- now scales well above 64 kb/sJean-Marc Valin
2010-07-05silk update (ec_enc_done())Jean-Marc Valin
2010-07-04SILK update (interface for using the CELT range coder)Jean-Marc Valin
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