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function ltfatmex(varargin)
%LTFATMEX Compile Mex/Oct interfaces
% Usage: ltfatmex;
% ltfatmex(...);
%
% `ltfatmex` compiles the C backend in order to speed up the execution of
% the toolbox. The C backend is linked to Matlab and Octave through Mex
% and Octave C++ interfaces.
%
% The action of `ltfatmex` is determined by one of the following flags:
%
% 'compile' Compile stuff. This is the default.
%
% 'clean' Removes the compiled functions.
%
% 'test' Run some small tests that verify that the compiled
% functions work.
%
% The target to work on is determined by on of the following flags:
%
% 'lib' Perform action on the LTFAT C library.
%
% 'mex' Perform action on the mex / oct interfaces.
%
% 'gpc' Perform action on the GPC code for use with MULACLAB
%
% 'playrec' Perform action on the playrec code for use with real-time
% block streaming framework.
%
% 'auto' Choose automatically which targets to work on based on
% the operation system etc. This is the default.
%
% AUTHOR : Peter L. S��ndergaard.
% TESTING: NA
% REFERENCE: NA
% Verify that comp_pgauss is in path
if ~exist('comp_pgauss','file')
disp(' ');
disp('--- LTFAT - The Linear Time Frequency Analysis toolbox. ---');
disp(' ')
disp('To start the toolbox, call LTFATSTART as the first command.');
disp(' ');
return;
end;
bp=mfilename('fullpath');
bp=bp(1:end-length(mfilename));
definput.flags.target={'auto','lib','mex','gpc','playrec'};
definput.flags.command={'compile','clean','test'};
[flags,kv]=ltfatarghelper({},definput,varargin);
% Remember the current directory.
curdir=pwd;
do_lib = flags.do_lib || flags.do_auto;
do_mex = flags.do_mex || flags.do_auto;
do_gpc = flags.do_gpc || (flags.do_auto && ~isoctave);
do_playrec = flags.do_playrec && (~isoctave);
if isoctave
extname='oct';
ext='oct';
else
extname='mex';
ext=mexext;
end;
if ispc
makefilename='Makefile_mingw';
make_exe = 'mingw32-make';
end;
if isunix
makefilename='Makefile_unix';
make_exe = 'make';
end;
if ismac
makefilename='Makefile_mac';
make_exe = 'make';
end;
portaudioLib = 'libportaudio';
if ispc
sharedExt = 'dll';
else
sharedExt = 'so';
end
fftw_lib_names = {'libfftw3-3', 'libfftw3f-3' };
clear mex;
% -------------- Handle cleaning --------------------------------
if flags.do_clean
if ~isoctave
% Delete files permanently (bypass trashcan on Windows/Mac
% but remember the old state
oldstate = recycle('off');
end;
if do_lib
disp('========= Cleaning libltfat ===============');
cd([bp,'src']);
[status,result]=system([make_exe, ' -f ',makefilename,' clean']);
%disp('Done.');
end;
if do_mex
fprintf('========= Cleaning %s interfaces =========\n', upper(extname));
if isoctave
deletefiles([bp,'oct'],'*.oct');
deletefiles([bp,'oct'],'*.o');
else
cd([bp,'mex']);
[status,result]=system([make_exe, ' -f ',makefilename,' clean',...
' EXT=',mexext]);
end;
end;
if do_gpc
disp('========= Cleaning GPC ====================');
%deletefiles([bp,'thirdparty',filesep,'PolygonClip'],['PolygonClip.',mexext]);
cd([bp,'thirdparty',filesep,'PolygonClip']);
clear mex;
[status,result]=system([make_exe, ' -f ',makefilename,' clean',' EXT=',mexext]);
end;
if do_playrec
disp('========= Cleaning PLAYREC ================');
%deletefiles([bp,'thirdparty',filesep,'PolygonClip'],['PolygonClip.',mexext]);
cd([bp,'thirdparty',filesep,'Playrec']);
clear mex;
[status,result]=system([make_exe, ' -f ',makefilename,' clean',' EXT=',mexext]);
end;
if ~isoctave
recycle(oldstate);
end;
cd(curdir);
end;
% -------------- Handle compiling --------------------------------
if flags.do_compile
if do_lib
disp('========= Compiling libltfat ==============');
cd([bp,'src']);
if isoctave
%[status,output]=system('mkoctfile -p CC');
system([make_exe,' -f ',makefilename])
else
if ispc
filesExist(cellfun(@(fEl) [bp,'mex',filesep,fEl,'.dll'], ...
fftw_lib_names,'UniformOutput',false));
end;
cd([bp,'src']);
clear mex;
[status,result]=system([make_exe, ' -f ',makefilename,...
' MATLABROOT=','"',matlabroot,'"',...
' ARCH=',computer('arch')]);
if(~status)
disp('Done.');
else
error('Failed to build LTFAT libs:\n %s',result);
end
end;
end;
if do_mex
fprintf('========= Compiling %s interfaces ========\n', upper(extname));
if ispc
filesExist(cellfun(@(fEl) ['mex',filesep,fEl,'.dll'], ...
fftw_lib_names,'UniformOutput',false));
end;
clear mex;
if isoctave
cd([bp,'oct']);
[status,result]=system([make_exe, ' -f ',makefilename])
else
cd([bp,'mex']);
[status,result]=system([make_exe, ' -f ',makefilename,...
' MATLABROOT=','"',matlabroot,'"',...
' EXT=',mexext,...
' ARCH=',computer('arch')]);
end;
if(~status)
disp('Done.');
else
error('Failed to build %s interfaces: %s \n',upper(extname),result);
end
end;
if do_gpc
disp('========= Compiling GPC ===================');
% Compile the PolygonClip interface to GPC for use with mulaclab
cd([bp,'thirdparty',filesep,'PolygonClip']);
clear mex;
[status,result]=system([make_exe, ' -f ',makefilename,...
' MATLABROOT=','"',matlabroot,'"',...
' EXT=',mexext,...
' ARCH=',computer('arch')]);
if(~status)
disp('Done.');
else
error('Failed to build GPC:\n %s',result);
end
end;
if do_playrec
disp('========= Compiling PLAYREC ===============');
% Compile the Playrec (interface to portaudio) for the real-time block-
% stream processing
% Check if portaudio library is present in the Matlab instalation
binArchPath = [matlabroot,filesep,'bin',filesep,computer('arch')];
playrecPath = [bp,'thirdparty',filesep,'Playrec'];
foundPAuser = dir([playrecPath,filesep,'*portaudio*',sharedExt]);
foundPAmatlab = dir([binArchPath,filesep,'*portaudio*',sharedExt]);
if ~isempty(foundPAuser)
if numel(foundPAuser)>2
error('Ambiguous portaudio libraries in %s. Please leave just one.',playrecPath);
end
portaudioLib = foundPAuser(1).name;
fprintf('Using %s.\n',portaudioLib);
elseif ~isempty(foundPAmatlab)
if numel(foundPAmatlab)>2
error('Ambiguous portaudio libraries in %s.',binArchPath);
end
portaudioLib = foundPAmatlab(1).name;
fprintf('Using %s.\n',portaudioLib);
else
error(['Portaudio not found. Please download Portaudio http://www.portaudio.com\n',...
'and build it as a shared library and copy it to the\n',...
'%s directory. \n'],playrecPath);
end
cd([bp,'thirdparty',filesep,'Playrec']);
clear mex;
% Crop library filename
if numel(portaudioLib)>3
if strcmp(portaudioLib(1:3),'lib')
portaudioLib = portaudioLib(4:end);
end
dotsInPath = strfind(portaudioLib,'.');
if ~isempty(dotsInPath)
portaudioLib = portaudioLib(1:dotsInPath(1)-1);
end
end
[status,result]=system([make_exe, ' -f ',makefilename,...
' MATLABROOT=','"',matlabroot,'"',...
' EXT=',mexext,...
' PORTAUDIO=',portaudioLib,...
' ARCH=',computer('arch')]);
if(~status)
disp('Done.');
else
error('Failed to build PLAYREC:\n %s',result);
end
end;
end;
% -------------- Handle testing ---------------------------------------
if flags.do_test
if do_mex
fprintf('========= Testing %s interfaces ==========\n', extname);
fprintf('1.: Test if comp_pgauss.%s was compiled: ',ext);
fname=['comp_pgauss.',ext];
if exist(fname,'file')
disp('SUCCESS.');
else
disp('FAILED.');
end;
fprintf('2.: Test if pgauss executes: ');
pgauss(100);
% If the execution of the script makes it here, we know that pgauss
% did not crash the system, so we can just print success. Same story
% with the following entries.
disp('SUCCESS.');
fprintf('3.: Test if fftreal executes: ');
fftreal(randn(10,1),10);
disp('SUCCESS.');
fprintf('4.: Test if dgt executes: ');
dgt(randn(12,1),randn(12,1),3,4);
disp('SUCCESS.');
end;
end;
% Jump back to the original directory.
cd(curdir);
function status = filesExist(filenames)
if(~iscell(filenames))
filenames={filenames};
end
for ii=1:length(filenames)
filename = filenames{ii};
if(~exist(filename,'file'))
error('%s: File %s not found.',mfilename,filename);
end
end
function deletefiles(base,files)
L=dir([base,filesep,files]);
for ii=1:numel(L)
s=[base,filesep,L(ii).name];
delete(s);
end;
function status=compile_ltfat(bp)
uses_lapack = {'comp_gabdual_long','comp_gabtight_long'};
% If we exit early, it is because of an error, so set status=1
status=1;
% Determine the name of the ltfat library
s=[bp,'lib',filesep,'libltfat-nomem.a'];
if ispc && ~isoctave
if strcmp(mexext,'mexw64')
s=[bp,'mex',filesep,'ltfat.dll'];
else
s=[bp,'lib',filesep,'libltfat-nomem.lib'];
end;
end;
if ~exist(s,'file')
disp(['The LTFAT C library cannot be found. Please compile ' ...
'as described in the INSTALL file, or download ' ...
'a binary release.']);
return;
end;
if ispc && ~isoctave
if ~exist([bp,'mex\libfftw3-3.dll'],'file')
disp(['Please download the FFTW binary release for Windows as ' ...
'described in the INSTALL file.']);
return;
end;
% Create the .lib file for the Matlab FFTW3 lib.
if ~exist([bp,'mex\libfftw3-3.lib'],'file')
system(['"',matlabroot,'\sys\lcc\bin\lcc_implib.exe" -u "',...
bp,'mex\LIBFFTW3-3.DLL"']);
end;
if ~exist([bp,'mex\libfftw3f-3.dll'],'file')
disp(['Please download the FFTW binary release for Windows as ' ...
'described in the INSTALL file.']);
return;
end;
if ~exist([bp,'mex\libfftw3f-3.lib'],'file')
system(['"',matlabroot,'\sys\lcc\bin\lcc_implib.exe" -u "',...
bp,'mex\libfftw3f-3.dll"']);
end;
end;
if isoctave
cd([bp,'oct']);
ext='oct';
% Get the list of files.
L=dir('*.cc');
endchar=2;
else
cd([bp,'mex']);
ext=mexext;
% Get the list of files.
L=dir('comp_*.c');
endchar=1;
end;
for ii=1:numel(L)
filename = L(ii).name;
objname = [filename(1:end-endchar),ext];
objdirinfo = dir(objname);
% Make-like behaviour: build only the files where the src file is
% newer than the object file, or the object file is missing.
if ~isoctave && strcmp(mexext,'mexa64')
% We don't know how to call LAPACK properly for this platform, so
% if a mex-file uses LAPACK, skip its compilation
if any(strcmp(uses_lapack,filename(1:end-endchar-1)))
disp(['Skipping ',filename]);
continue
end;
end;
if isempty(objdirinfo) || (objdirinfo.datenum<L(ii).datenum)
fprintf('Compiling %s\n',filename);
if isoctave
% Octave dynamically links to FFTW, Blas and Lapack, so they
% are not included on the compilation line.
mkoctfile('-c','oct-memalloc.c');
mkoctfile('-I../thirdparty',...
'-I.','-I../src','-L../src','-L../lib',...
filename,'oct-memalloc.o',...
'-lltfat-nomem');
else
mex('-c','mex-memalloc.c');
if ispc
if strcmp(mexext,'mexw64')
mex('-I../thirdparty',...
'-I.','-I../src','-L../lib','-L../mex',...
['-L',matlabroot,'\extern\lib\win64\microsoft'],...
filename,...
'-lltfat',...
'-lfftw3-3',...
'-lfftw3f-3');
else
mex('-I../thirdparty',...
'-I.','-I../src','-L../lib','-L../mex',...
['-L',matlabroot,'\extern\lib\win32\lcc'],...
filename,'mex-memalloc.obj',...
'-lltfat-nomem',...
'-lfftw3-3',...
'-lfftw3f-3',...
'-lmwlapack',...
'-lmwblas');
end;
else
mex('-I../thirdparty',...
'-I.','-I../src','-L../src','-L../lib',...
filename,'mex-memalloc.o',...
'-lltfat-nomem',...
'-lfftw3',...
'-lfftw3f',...
'-llapack',...
'-lblas');
end;
end;
end;
end;
status=0;