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2022-07-10Only build platform RTCD sources when enabled.Timothy B. Terriberry
To avoid issues with empty compilation units.
2019-04-03Adding CMake support for Windows, Mac, Linux and Android Co-Authored-By: evpobrMarcus Asteborg
Signed-off-by: Jean-Marc Valin <jmvalin@jmvalin.ca>
2017-09-11Rename SSE 4.1 files to match their targets.Ralph Giles
Distinguish source files for the SSE 4.1 instruction set extension consistently by their filename. This makes it easier to check the correct flags are being set at build time. Signed-off-by: Jonathan Lennox <jonathan@vidyo.com>
2017-05-17Optimize silk_biquad_alt_stride2() for ARM NEONLinfeng Zhang
The optimization is bit exact with C function. Change-Id: Ifb8f04b19f2d576e79ce5dcfa7e0fc374d71d6c8 Signed-off-by: Jean-Marc Valin <jmvalin@jmvalin.ca>
2017-04-14Optimize silk_warped_autocorrelation_FIX() for ARM NEONLinfeng Zhang
The optimization is bit exact with C function. This optimization speeds up fixed-point SILK encoder on NEON about 5% to 8%. (Tested on Acer Chromebook, ARMv7 Processor rev 3 (v7l).) Change-Id: I582f6f3585b7946149e16a2ad3084ebc0ae79a4f Signed-off-by: Jean-Marc Valin <jmvalin@jmvalin.ca>
2017-02-15Optimize silk_LPC_inverse_pred_gain() for ARM NEONLinfeng Zhang
The optimization is bit exact with C function. Change-Id: Ib3bdc26a5a4ebe02e7f24be85104e8e9a2a9a738 Signed-off-by: Jean-Marc Valin <jmvalin@jmvalin.ca>
2017-01-31Optimize silk_NSQ_del_dec() for ARM NEONLinfeng Zhang
The optimization is bit exact with C function. This optimization speeds up SILK encoder on NEON as following. Fixed-point: Complexity 0-5: 0% Complexity 6-7: 6% Complexity 8-9: 10% Complexity 10: 8% Got similar results on floating-point. Signed-off-by: Jean-Marc Valin <jmvalin@jmvalin.ca>
2016-07-17removed prefilterKoen Vos
The NSQ SSE optimizations are disabled for now because they need to be updated
2016-07-17slight clean upKoen Vos
2016-07-17simplified computation of LTP coefsKoen Vos
2016-07-07Add Neon intrinsics for Silk noise shape feedback loop.Jonathan Lennox
Signed-off-by: Timothy B. Terriberry <tterribe@xiph.org>
2016-07-07Add Neon intrinsics for Silk noise shape quantization.Jonathan Lennox
Signed-off-by: Timothy B. Terriberry <tterribe@xiph.org>
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>
2011-10-29oops, forgot to update the source listJean-Marc Valin
2011-10-11Move a number of files and functions which are only used by fixed point ↵Gregory Maxwell
builds from silk/ to silk/fixed/. I attempted to not break the msvc projects, but I can't test them.
2011-09-30More silk/ resampler cleanup.Gregory Maxwell
2011-09-28More resampler cleanups.Gregory Maxwell
2011-09-28Eliminate function pointers from the resampler.Gregory Maxwell
2011-09-16Removed all the silk_ prefixes in source file names (not symbols)Jean-Marc Valin
2011-08-02Makefile fixesJean-Marc Valin
silk_sources.mk no longer needs to be patched (s/if/ifdef/) for the draft Makefile to work.
2011-06-11Addressing multiple LSF-related issuesJean-Marc Valin
- Merged the LPC stabilization from NLSF2A_stable.c into NLSF2A.c - The bandwidth expansion in NLSF2A() now operates on int32 LPC coefficients in Q17 domain (instead of int16 Q12 coefficients) - The function bwexpander_32() has a more precise way of updating the chirp variable (round to nearest, instead of round down) - Changed a few variables in NLSF_stabilize() from int16 to int32 to avoid signed wrap-around (no difference in results as the wrap-around would always be reversed later) - The LSF codebook for WB speech has a quantization stepsize of 0.15 (was 0.16). This doesn't break the bitstream, although it slightly limits quality of signals encoded with the old version and decoded with the new one (I can't really hear it and PESQ gives high scores as well). I does improve handling of tonal signals. - As discussed: the Q-domain of the poly function is now in Q16 (was Q20) - As discussed: limiting the LSFs in NLSF_decode() to 0...32767 - The silk_NLSF_DELTA_MIN values were lowered to deal with a possible future situation with less or no input HP filtering.
2011-05-20Squashed commit of the following:Jean-Marc Valin
commit 5b64cf7c4d67af9050bc959996ef976ce6326888 Author: Jean-Marc Valin <jean-marc.valin@octasic.com> Date: Thu May 19 16:40:35 2011 -0400 Fixes a few bugs introduced in the latest update commit b91eb86025d2de3c4cf04f4fb1aa48a28ad676a3 Author: Timothy B. Terriberry <tterribe@xiph.org> Date: Thu May 19 16:12:02 2011 -0400 build_draft.sh fixes commit 0b10c30db7ad60ff7d4bfc1139bdb86e0543c035 Author: Jean-Marc Valin <jean-marc.valin@octasic.com> Date: Thu May 19 15:30:21 2011 -0400 Fixes the draft build commit 164424cded5978e657105104e171ac202dde5e5b Author: Jean-Marc Valin <jean-marc.valin@octasic.com> Date: Thu May 19 15:00:23 2011 -0400 Updated build system commit 188d9fcba8c3a1b1ad67c67c430e1b37e3658a40 Author: Koen Vos <koen.vos@skype.net> Date: Thu May 19 17:14:57 2011 -0400 SILK/Opus update
2011-05-04Fixes duplicate file in silk_sources.mkJean-Marc Valin
2011-05-02build fixesJean-Marc Valin
2011-05-02Squashed commit of the following:Koen Vos
commit dfe4d46f9abf6b0e96e66370d428da4e283204ce Author: Jean-Marc Valin <jean-marc.valin@octasic.com> Date: Mon May 2 09:59:45 2011 -0400 SILK file list update commit 5faf541d86445eb8ce1775ea206e88afe83c7107 Author: Jean-Marc Valin <jean-marc.valin@octasic.com> Date: Mon May 2 09:51:29 2011 -0400 Makefiles update commit f5d70b3ccbe209cc07a1a604fffca93ea34bc64b Author: Koen Vos <koen.vos@skype.net> Date: Mon May 2 09:50:33 2011 -0400 SILK stereo update and MSVC build update
2011-04-30merging the file list for autotools and the draftJean-Marc Valin
2011-04-29Moving the SILK fixed-point and float filesJean-Marc Valin
to silk/fixed and silk/float, respectively
2011-04-29Fixes the build of the draftJean-Marc Valin
2011-04-28Updating the draft build systemJean-Marc Valin
2011-03-09Updating the build of the draft and adding fixed-point supportJean-Marc Valin
2011-02-18SILK updateJean-Marc Valin
2011-02-15preparing the next versionJean-Marc Valin
2011-02-14Update for in-band FECKoen Vos
2011-02-03A simpler build system for the draftJean-Marc Valin
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