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- Content .- Fans (4) .- Knowledge Base  . 

QLoud

   1.0  

Qt Sound Application

Score 78%
QLoud
zoom


Link:  Link
Minimum required   Qt 4.x
Downloads:  1478
Submitted:  Apr 29 2007
Updated:  Dec 11 2013

Description:

Tool to measure loudspeaker frequency and step response, distortions' SPL and so on. Audio amplifiers or sound cards can be tested also. For Linux only.




Changelog:

v.1.0 - compatible with QWT v.6.1. For earlier QWT use earlier QLoud.

v.0.31 - Owen Synge has pointed to building problem (Owen, thanks!) for current Linux distributions and supplied a patch - fixed. You don't want to upgrade if compiling is fine on your machine.

v.0.30 - compatible with qwt 6.x

v.0.23 - to be able to test a DAC (may be external one) without inserting an amplifier in JACK signal chain I have added a new control named "Playback level, db". The level is "live": it isn't saved anywhere, and it is used on "Start recording" button hitting. Be sure to regenerate your old excitation files.




LicenseGPL
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 nice but

 
 by Divilinux on: Jul 20 2007
 
Score 50%
DivilinuxDivilinux
www.squadrai nformatica.c om/smak
Home

hi..seems a really nice app..but i still have this list of errors.
I've used:

qmake --version qt4
QMake version 2.01a
Using Qt version 4.3.0 in /usr/local/Trolltech/Qt-4.3.0/lib

but make returns me:

In file included from QLWin.h:24,
from main.cpp:21:
ExcitForm.h:24:25: error: qwt_counter.h: No such file or directory
In file included from IrsModel.h:26,
from IrsForm.h:25,
from QLWin.h:27,
from main.cpp:21:
PlotWindow.h:24:22: error: qwt_plot.h: No such file or directory
PlotWindow.h:25:25: error: qwt_polygon.h: No such file or directory
ExcitForm.h:73: error: ISO C++ forbids declaration of ‘QwtCounter’ with no type
ExcitForm.h:73: error: expected ‘;’ before ‘*’ token
ExcitForm.h:74: error: ISO C++ forbids declaration of ‘QwtCounter’ with no type
ExcitForm.h:74: error: expected ‘;’ before ‘*’ token
Plotter.h:33: error: expected class-name before ‘{’ token
Plotter.h:33: warning: ‘class Plotter’ has virtual functions but non-virtual destructor
PlotWindow.h:49: error: ‘QwtPlot’ has not been declared


tnx for helping..:)


..::KBFX-Team-member::..
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-

 Re: nice but

 
 by anli on: Jul 20 2007
 
Score 50%

Probably you need to modify this string in src/src.pro in accordance with your Qwt installation:

INCLUDEPATH += /usr/include/qwt5


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-

 Re: Re: nice but

 
 by ixsypsilo on: Aug 19 2007
 
Score 50%

it is already inside
shit it will not run under ubuntu


mkj
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-

 got it compiled

 
 by dracoroot7 on: May 10 2009
 
Score 50%

i changed

INCLUDEPATH += /usr/include/qwt5 /

to
INCLUDEPATH += /usr/include/qwt /

and it compile for me.

my qwt directory was different


Reply to this

-
.

 Re: got it compiled

 
 by RGD2 on: Nov 5 2010
 
Score 50%

I tried that, and it didn't (immediately) work...
I'm under ubuntu 10.10 (amd64).

I've never developed anything QT - I just made my account here to report what I found that worked to get qloud-0.22 to compile on ubuntu.

so I fixed src/src.pro so that INCLUDEPATH += /usr/include/qwt-qt4

and then after qmake, I edited the generated Makefile to
add -I/usr/include/qwt-qt4 to the INCPATH and -lqwt-qt4 -lfftw3 -ljack -ljackserver -lsndfile on the end of LIBS

make then ran without problems... I'm moderately sure I shouldn't be messing with generated Makefiles, but it works, and I don't really understand qmake much.

Note to other ubuntu people - you'll need to apt-get dev packages of those things referenced in the LIBS line above, and DON'T get anything "qt3". For some reason, having qt3 and qt4 dev packages installed makes qmake select qt3 automagically, resulting in that first "QApplication : file not found" business. You'll probably also want qjackctl if you're not familiar with jack-audio-connection-kit.


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 Re: Re: got it compiled

 
 by RGD2 on: Jan 2 2013
 
Score 50%

I also had to add #include <unistd.h> to the preamble of Capture.cpp


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-
.

 Thanks

 
 by anaximandar on: Nov 10 2010
 
Score 50%

Thanks for this useful application.
This is the link for Mandriva binary .rpm package:

http://files.myopera.com/Anaximandar/Mandriva_2010_1/qloud-0.22-1mdva2010.1.i586.rpm

Regards


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-

 Re: Thanks

 
 by anaximandar on: Sep 1 2011
 
Score 50%

Okay here's the link for Mandriva Linux 2010.2 RPM's

http://files.myopera.com/Anaximandar/Mandriva_2010_1/qloud-0.23-1mdva2010.2.i586.rpm

btw, I tried to compile the program qloud 0.30, but without success


g++ -c -O2 -g -pipe -Wformat -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector --param=ssp-buffer-size=4
-fomit-frame-pointer -march=i586 -mtune=generic -fasynchronous-unwind-tables -DPIC -fPIC -O2 -g -pipe -Wformat -Werror=format-security -Wp,
-D_FORTIFY_SOURCE=2 -fstack-protector --param=ssp-buffer-size=4 -fomit-frame-pointer -march=i586 -mtune=generic -fasynchronous-unwind-tables
-DPIC -fPIC -O2 -g -pipe -Wformat -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector --param=ssp-buffer-size=4 -fomit-frame-pointer
-march=i586 -mtune=generic -fasynchronous-unwind-tables -DPIC -fPIC -D_REENTRANT -Wall -W -DQT_NO_DEBUG -DQT_XML_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED
-I/usr/lib/qt4/mkspecs/linux-g++ -I. -I/usr/lib/qt4/include/QtCore -I/usr/lib/qt4/include/QtGui -I/usr/lib/qt4/include/QtXml -I/usr/lib/qt4/include -I
/usr/include/qwt -I/usr/include -I/usr/include/qt4 -I../moc -o ../obj/HarmPlot.o HarmPlot.cpp
g++ -c -O2 -g -pipe -Wformat -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector --param=ssp-buffer-size=4
-fomit-frame-pointer -march=i586 -mtune=generic -fasynchronous-unwind-tables -DPIC -fPIC -O2 -g -pipe -Wformat -Werror=format-security -Wp,
-D_FORTIFY_SOURCE=2 -fstack-protector --param=ssp-buffer-size=4 -fomit-frame-pointer -march=i586 -mtune=generic -fasynchronous-unwind-tables
-DPIC -fPIC -O2 -g -pipe -Wformat -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector --param=ssp-buffer-size=4 -fomit-frame-pointer
-march=i586 -mtune=generic -fasynchronous-unwind-tables -DPIC -fPIC -D_REENTRANT -Wall -W -DQT_NO_DEBUG -DQT_XML_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED
-I/usr/lib/qt4/mkspecs/linux-g++ -I. -I/usr/lib/qt4/include/QtCore -I/usr/lib/qt4/include/QtGui -I/usr/lib/qt4/include/QtXml -I/usr/lib/qt4/include -I
/usr/include/qwt -I/usr/include -I/usr/include/qt4 -I../moc -o ../obj/IR.o IR.cpp
HarmPlot.cpp: In member function ‘void HarmPlot::addCurves()’:
HarmPlot.cpp:99: error: ‘class QwtPlotCurve’ has no member named ‘setSamples’
make[1]: *** [../obj/HarmPlot.o] Error 1
make[1]: *** Waiting for unfinished jobs....
make[1]: Leaving directory `/home/mrj/rpm/BUILD/qloud-0.3/src'
make: *** [sub-src-make_default] Error 2
error: Bad exit status from /home/mrj/rpm/tmp/rpm-tmp.YJRaAT (%build)

Best Regards


Reply to this

-

 Re: Re: Thanks

 
 by anli on: Sep 2 2011
 
Score 50%

It seems you use qwt 5.x, while last qloud is for qwt 6.x. Try recent qwt or previous qloud.


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 qloud crash

 
 by bnilsson on: Aug 13 2014
 
Score 50%
bnilssonbnilsson
BANTECO

Hi!

I am using Ubuntu 14.04LTS.
Just tried qloud 1.0, and managed to build it without too much of a problem, using Qt 4.8.5 and qwt 6.1.0.
I had to symlink the qwt 6.1.0 libs from /usr/local to /usr/lib to make it find the shared lib.

However, qloud crashes immediately, invalid pointer.
Anyone seen this?

BN


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 Re: qloud crash

 
 by bnilsson on: Aug 13 2014
 
Score 50%
bnilssonbnilsson
BANTECO

I managed to enable debugging in qtcreator, but it crashed even before the first possible breakpoint in "main".
"realloc() invalide pointer: 0x0000…Aborted (core dumped)"

It must be really something fundamental.


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 Re: Re: qloud crash

 
 by bnilsson on: Aug 13 2014
 
Score 50%
bnilssonbnilsson
BANTECO

SOLVED

I had accidentally built qwt for qt5.
Apparently this was incompatible at a very basic level.
Tricky when you have too much stuff installed…
Anyway, now it runs.
Now I realize I need a crash course in Qjackctl to get anywhere.


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