Displaying 19 results from an estimated 19 matches similar to: "get_required_bits32() and alloca() -> corrupted stack"
2011 Mar 03
0
[PATCH] Eliminate the ec_int32 and ec_uint32 typedefs.
These were used because the entropy coder originally came from
outside libcelt, and thus did not have a common type system.
It's now undergone enough modification that it's not ever likely to
be used as-is in another codec without some porting effort, so
there's no real reason to maintain the typedefs separately.
Hopefully we'll replace these all again somedate with a common set
2010 Jul 01
4
(no subject)
Jean-Mark, Tim,
Could either of you expound on the following comment in cwrs.c?
/*If _k==0, the following do-while loop will overflow the buffer.*/
----------------------------------------------------------------
...because the following do-loop does overflow the buffer when k=126
k=2;
do _u[k]=(k<<1)-1;
while(++k<len);
Thanks,
MikeH
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2009 Nov 17
1
[PATCH] Change name of libcelt to libceltXYZ
From: Thorvald Natvig <slicer at users.sourceforge.net>
---
celt.pc.in | 2 +-
configure.ac | 2 ++
libcelt/Makefile.am | 12 ++++++------
tests/Makefile.am | 2 +-
tools/Makefile.am | 4 ++--
5 files changed, 12 insertions(+), 10 deletions(-)
diff --git a/celt.pc.in b/celt.pc.in
index 98cc008..67a830b 100644
--- a/celt.pc.in
+++ b/celt.pc.in
@@ -10,5
2002 Jun 27
0
lattice and dates
HiI'm fairly new to R and the list, so please take what I say accordingly!Far as I can see, strptime gives you a string in some specified format. In order to do any kind of numerically-based modelling with that, you need to obtain a number to work with.One way to do this is by getting the time with Sys.time() instead and coercing it to a number using as.integer():> as.integer(Sys.time())I
2010 Dec 03
0
memory violation in mode_create() -- SOLVED.
hi Jean-Marc,
the memory after the allocated space is definitely destroyed. It took me some
time to find out why. I expected local arrays to be allocated on stack, not on
the heap. The function get_required_bits allocates a local array uint32[] which
will be located on heap right after the array fromcompute_pulse_cache(), what
made me think it was written behind its end.
I am sorry for the
2004 Oct 16
2
Re: Shorewall-users Digest, Vol 23, Issue 33
i''ll need to have a virtal server, but why i can do this?
2010 Jun 30
1
SMALL_FOOTPRINT?
Jean-Marc,
Can you give us some insight into the meaning and usage of #define
SMALL_FOOTPRINT that appears in cwrs.c?
Thx
MikeH
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2015 Mar 03
1
[RFC PATCH v4] Enable optimize using libNe10
Changes from RFC PATCH v3
- Just rebased on tip
- For all else, please see notes from RFC PATCH v3 at
http://lists.xiph.org/pipermail/opus/2015-March/002902.html
- latest wip opus tree/branch
https://git.linaro.org/people/viswanath.puttagunta/Ne10.git
branch: rfcv4_final_fft_ne10
Viswanath Puttagunta (1):
armv7(float): Optimize encode usecase using NE10 library
Makefile.am
2015 Feb 04
4
[RFC PATCH v2] Encode optimize using libNe10
Changes from RFC PATCH v1:
- passing arch parameter explicitly
- reduced stack usage by ~3.5K by using scaled NE10 fft version
- moved all optimization array functions to arm_celt_map.c
- Other cleanups pointed out by Timothy
Phil,
As you mentioned earlier, could you please address all
compile and linker errors/warnings coming out of Ne10 library?
You can find my working Ne10 repo at [1]
You
2015 Mar 03
2
[RFC PATCHv3] Encode optimize using libNe10
Changes from RFC PATCH v2
- fixed compile issue when just compiling for --enable-intrinsics
for ARMv7 without NE10
- Notes for NE10:
- All compile/link warnings are now in upstream NE10
- Only patch pending upstream in NE10 is the one that
needs to add -funsafe-math-optimizations for ARMv7
targets.
- Phil Wang @ ARM is working on getting this fixed.
- Note that even without
2015 Jan 20
6
[RFC PATCH v1 0/2] Encode optimize using libNE10
Hello opus-dev,
I've been cooking up this patchset to integrate NE10 library into opus.
Current patchset focuses on encode use case mainly effecting performance of
clt_mdct_forward() and opus_fft() (for float only)
Glad to report the following on Encode use case:
(Measured on my Beaglebone Black Cortex-A8 board)
- Performance improvement for encode use case ~= 12.34% (Based on time -p
2015 Mar 18
5
[RFC PATCH v1 0/4] Enable aarch64 intrinsics/Ne10
Hi All,
Since I continue to base my work on top of Jonathan's patch,
and my previous Ne10 fft/ifft/mdct_forward/backward patches,
I thought it would be better to just post all new patches
as a patch series. Please let me know if anyone disagrees
with this approach.
You can see wip branch of all latest patches at
https://git.linaro.org/people/viswanath.puttagunta/opus.git
Branch:
2015 Mar 31
6
[RFC PATCH v1 0/5] aarch64: celt_pitch_xcorr: Fixed point series
Hi Timothy,
As I mentioned earlier [1], I now fixed compile issues
with fixed point and resubmitting the patch.
I also have new patch that does intrinsics optimizations
for celt_pitch_xcorr targetting aarch64.
You can find my latest work-in-progress branch at [2]
For reference, you can use the Ne10 pre-built libraries
at [3]
Note that I am working with Phil at ARM to get my patch at [4]
2015 Mar 02
13
Patch cleaning up Opus x86 intrinsics configury
The attached patch cleans up Opus's x86 intrinsics configury.
It:
* Makes ?enable-intrinsics work with clang and other non-GCC compilers
* Enables RTCD for the floating-point-mode SSE code in Celt.
* Disables use of RTCD in cases where the compiler targets an instruction set by default.
* Enables the SSE4.1 Silk optimizations that apply to the common parts of Silk when Opus is built in
2015 May 08
8
[RFC PATCH v2]: Ne10 fft fixed and previous 0/8]
Hi All,
As per Timothy's suggestion, disabling mdct_forward
for fixed point. Only effects
armv7,armv8: Extend fixed fft NE10 optimizations to mdct
Rest of patches are same as in [1]
For reference, latest wip code for opus is at [2]
Still working with NE10 team at ARM to get corner cases of
mdct_forward. Will update with another patch
when issue in NE10 gets fixed.
Regards,
Vish
[1]:
2015 May 15
11
[RFC V3 0/8] Ne10 fft fixed and previous
Hi All,
Changes from RFC v2 [1]
armv7,armv8: Extend fixed fft NE10 optimizations to mdct
- Overflow issue fixed by Phil at ARM. Ne10 wip at [2]. Should be upstream soon.
- So, re-enabled using fixed fft for mdct_forward which was disabled in RFCv2
armv7,armv8: Optimize fixed point fft using NE10 library
- Thanks to Jonathan Lennox, fixed some build fixes on iOS and some copy-paste errors
Rest
2015 Apr 28
10
[RFC PATCH v1 0/8] Ne10 fft fixed and previous
Hello Timothy / Jean-Marc / opus-dev,
This patch series is follow up on work I posted on [1].
In addition to what was posted on [1], this patch series mainly
integrates Fixed point FFT implementations in NE10 library into opus.
You can view my opus wip code at [2].
Note that while I found some issues both with the NE10 library(fixed fft)
and with Linaro toolchain (armv8 intrinsics), the work
2015 Mar 13
1
[RFC PATCH v3] Intrinsics/RTCD related fixes. Mostly x86.
From: Jonathan Lennox <jonathan at vidyo.com>
* Makes ?enable-intrinsics work with clang and other non-GCC compilers
* Enables RTCD for the floating-point-mode SSE code in Celt.
* Disables use of RTCD in cases where the compiler targets an instruction set by default.
* Enables the SSE4.1 Silk optimizations that apply to the common parts of Silk when Opus is built in floating-point mode, not
2015 Mar 12
1
[RFC PATCHv2] Intrinsics/RTCD related fixes. Mostly x86.
From: Jonathan Lennox <jonathan at vidyo.com>
* Makes ?enable-intrinsics work with clang and other non-GCC compilers
* Enables RTCD for the floating-point-mode SSE code in Celt.
* Disables use of RTCD in cases where the compiler targets an instruction set by default.
* Enables the SSE4.1 Silk optimizations that apply to the common parts of Silk when Opus is built in floating-point mode, not