Displaying 20 results from an estimated 21 matches for "entence".
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2013 May 27
1
Empty buffer on encoder write byte
Hi,
I've been trying to encode a live audio input from the microphone on iOS
device using opus.
Uncompressed audio recording works fine with
http://theamazingaudioengine.com/
Then, when I tried to do encoding, I'm stuck at figuring out why the buffer
is empty:
static int ec_write_byte(ec_enc *_this,unsigned _value){
if(_this->offs+_this->end_offs>=_this->storage)return
2008 Dec 21
0
[PATCH] Fix ectest to not check a case which isn't guaranteed to work, and which we don't use.
When I removed the special case for EC_ILOG(0) in commit
06390d082dcdfa8addb3dde337543bc0f0ebae44, it broke ec_dec_uint() with _ft=1
(which should encode the value 0 using 0 bits).
This feature was tested by ectest.c, but not actually used by libcelt.
An assert has been added to ec_dec_uint() to ensure that we don't try to use
this feature by accident.
ec_enc_uint() was actually correct,
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
2007 Oct 01
4
Concatenating one character vector into one string
Hi
I am sure this is simple - but how can I convert one charecter vector
into one string?
example:
x <- c("This ", "is ", "one ", "sentence.")
should become
"This is one entence"
Thanks
Rainer
--
NEW EMAIL ADDRESS AND ADDRESS:
Rainer.Krug at uct.ac.za
RKrug at sun.ac.za WILL BE DISCONTINUED END OF MARCH
Rainer M. Krug, Dipl. Phys. (Germany), MSc Conservation
Biology (UCT)
Plant Conservation Unit
Department of Bo...
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
2009 Jan 14
0
[PATCH] Pitch now quantised at the band level, got rid of all the VQ code.
---
libcelt/Makefile.am | 6 +-
libcelt/bands.c | 26 +++++++++-
libcelt/bands.h | 2 +-
libcelt/celt.c | 23 +++-----
libcelt/pgain_table.h | 133 -------------------------------------------------
libcelt/quant_pitch.c | 117 -------------------------------------------
libcelt/quant_pitch.h | 44 ----------------
7 files changed, 37 insertions(+), 314
2015 Jan 20
0
[RFC PATCH v1 2/2] armv7(float): Optimize encode usecase using NE10 library
Optimize opus encode (float only) usecase using ARM NE10
library. Mainly effects opus_fft and ctl_mdct_forward
and related functions.
This optimization can be used for ARM CPUs that have NEON
VFP unit. This patch only enables optimizations for ARMv7.
Official ARM NE10 library page available at
http://projectne10.github.io/Ne10/
To enable this optimization, use
--enable-intrinsics
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 Feb 04
0
[RFC PATCH v2] armv7(float): Optimize encode usecase using NE10 library
Optimize opus encode (float only) usecase using ARM NE10
library. Mainly effects opus_fft and ctl_mdct_forward
and related functions.
This optimization can be used for ARM CPUs that have NEON
VFP unit. This patch only enables optimizations for ARMv7.
Official ARM NE10 library page available at
http://projectne10.github.io/Ne10/
To enable this optimization, use
--enable-intrinsics
2015 Mar 03
0
[RFC PATCHv3] armv7(float): Optimize encode usecase using NE10 library
Optimize opus encode (float only) usecase using ARM NE10
library. Mainly effects opus_fft and ctl_mdct_forward
and related functions.
This optimization can be used for ARM CPUs that have NEON
VFP unit. This patch only enables optimizations for ARMv7.
Official ARM NE10 library page available at
http://projectne10.github.io/Ne10/
To enable this optimization, use
--enable-intrinsics
2015 May 08
0
[[RFC PATCH v2]: Ne10 fft fixed and previous 1/8] armv7(float): Optimize encode usecase using NE10 library
Optimize opus encode (float only) usecase using ARM NE10
library. Mainly effects opus_fft and ctl_mdct_forward
and related functions.
This optimization can be used for ARM CPUs that have NEON
VFP unit. This patch only enables optimizations for ARMv7.
Official ARM NE10 library page available at
http://projectne10.github.io/Ne10/
To enable this optimization, use
--enable-intrinsics
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
2016 Jul 01
1
silk_warped_autocorrelation_FIX() NEON optimization
Hi all,
I'm sending patch "Optimize silk_warped_autocorrelation_FIX() for ARM NEON" in an separate email.
It is based on Tim’s aarch64v8 branch https://git.xiph.org/?p=users/tterribe/opus.git;a=shortlog;h=refs/heads/aarch64v8
Thanks for your comments.
Linfeng
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 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