Hello (and sorry for my English),
I downloaded the VideoCapture module on the
http://videocapture.sourceforge.net/ site. I tested it with a webcam and
that functions.
Now I want to compile his file .cpp (vidcap.cpp). Thereafter, the idea is to
be able to modify the code to include my own modifications.
For the moment I only try to compile, but does not arrive :(
I will try to pose my problem :
First of all I am under Windows xp because I must use DirectX. I use the
MinGW compiler. I use following script (setup.py) to be able to compile :
nomModule = 'vidcap'
from distutils.core import setup, Extension
setup(name = nomModule, ext_modules = [ Extension(nomModule, sources = [
nomModule+'.cpp'],\
include_dirs=["C:\DX90SDK\Include","C:\DX90SDK\Samples\C++\Direc tShow\BaseClasses"],\
library_dirs=["C:\Python23\libs","C:\DX90SDK\Lib","C:\Python23\E nthought\MingW\lib"])
])
The include_dirs enable me to indicate the access path has my .h that I
need. And library_dirs in theory the libraries which I need (I say in theory
because I do not have the impression that it takes into account, but we will
return later).
I try so the first compilation with : python setup.py build
I have a few errors
I try to resolve them
Here the modifications which I have of bringing :
In strmif.h:
line 6164 : replace #ifndef _WINGDI_ by #ifndef _WINGDI_H
line 20557 : Add EXTERN_GUID definition just before first EXTERN_GUID():
#ifndef EXTERN_GUID
#define EXTERN_GUID(g,l1,s1,s2,c1,c2,c3,c4,c5,c6,c7,c8)
DEFINE_GUID(g,l1,s1,s2,c1,c2,c3,c4,c5,c6,c7,c8)
#endif
line 28736 : Fix the tagVMRGUID struct (GUID -::GUID)
::GUID *pGUID;
::GUID GUID;
Put UrlMon.h in the file include of DX90SDK (recover it in Microsoft
Platform SDK) in the same way for MsXml.h.
Then to define uCLSSPEC and QUERYCONTEXT, I have includes their definition
directly in my file .cpp :
//--------------------------------------------------------------------------------------
// definitions recuperées de c:\Program Files\Microsoft Plateform
SDK\include\WTypes.h
typedef struct tagCSPLATFORM
{
DWORD dwPlatformId;
DWORD dwVersionHi;
DWORD dwVersionLo;
DWORD dwProcessorArch;
} CSPLATFORM;
#ifndef _LCID_DEFINED
#define _LCID_DEFINED
typedef DWORD LCID;
#endif // !_LCID_DEFINED
typedef struct tagQUERYCONTEXT
{
DWORD dwContext;
CSPLATFORM Platform;
LCID Locale;
DWORD dwVersionHi;
DWORD dwVersionLo;
} QUERYCONTEXT;
typedef WCHAR OLECHAR;
typedef OLECHAR *LPOLESTR;
typedef struct __MIDL___MIDL_itf_wtypes_0003_0001
{
DWORD tyspec;
union __MIDL___MIDL_itf_wtypes_0003_0005
{
CLSID clsid;
LPOLESTR pFileExt;
LPOLESTR pMimeType;
LPOLESTR pProgId;
LPOLESTR pFileName;
struct
{
LPOLESTR pPackageName;
GUID PolicyId;
} ByName;
struct
{
GUID ObjectId;
GUID PolicyId;
} ByObjectId;
} tagged_union;
} uCLSSPEC;
//--------------------------------------------------------------------------------------
Last thing modified in vidcap.cpp :
line 774 : /*statichere*/ PyTypeObject Dev_Type = {
Comment out statichere, because it was already declared in extern.
After all these modifications, I compile again and no errors but...
Here what I obtain with compilation :
running install
running build
running build_ext
building 'vidcap' extension
C:\Python23\Enthought\MingW\bin\gcc.exe -mno-cygwin -mdll -O -Wall -IC:\DX90SDK\Include
-IC:\DX
90SDK\Samples\C++\DirectShow\BaseClasses -Ic:\Python23\include -Ic:\Python23\PC
-c vidcap.cpp -
o build\temp.win32-2.3\Release\vidcap.o
In file included from C:/DX90SDK/Include/dshow.h:46,
from vidcap.cpp:24:
C:/DX90SDK/Include/strmif.h:2: warning: ignoring #pragma warning
In file included from C:/DX90SDK/Include/dshow.h:46,
from vidcap.cpp:24:
C:/DX90SDK/Include/strmif.h:877: warning: ignoring #pragma warning
C:/DX90SDK/Include/strmif.h:878: warning: ignoring #pragma warning
C:/DX90SDK/Include/strmif.h:30645: warning: ignoring #pragma warning
In file included from C:/DX90SDK/Include/dshow.h:49,
from vidcap.cpp:24:
C:/DX90SDK/Include/control.h:2: warning: ignoring #pragma warning
In file included from vidcap.cpp:73:
C:/DX90SDK/Include/qedit.h:2: warning: ignoring #pragma warning
In file included from C:/DX90SDK/Include/qedit.h:492,
from vidcap.cpp:73:
C:/DX90SDK/Include/dxtrans.h:2: warning: ignoring #pragma warning
In file included from C:/DX90SDK/Include/d3d.h:189,
from C:/DX90SDK/Include/dxtrans.h:278,
from C:/DX90SDK/Include/qedit.h:492,
from vidcap.cpp:73:
C:/DX90SDK/Include/d3dtypes.h:26: warning: ignoring #pragma warning
C:/DX90SDK/Include/d3dtypes.h:2116: warning: ignoring #pragma warning
In file included from C:/DX90SDK/Include/dxtrans.h:280,
from C:/DX90SDK/Include/qedit.h:492,
from vidcap.cpp:73:
C:/DX90SDK/Include/urlmon.h:17: warning: ignoring #pragma warning
In file included from C:/DX90SDK/Include/urlmon.h:278,
from C:/DX90SDK/Include/dxtrans.h:280,
from C:/DX90SDK/Include/qedit.h:492,
from vidcap.cpp:73:
C:/DX90SDK/Include/msxml.h:17: warning: ignoring #pragma warning
In file included from C:/DX90SDK/Include/dxtrans.h:280,
from C:/DX90SDK/Include/qedit.h:492,
from vidcap.cpp:73:
C:/DX90SDK/Include/urlmon.h:301: warning: ignoring #pragma comment
In file included from C:/DX90SDK/Include/qedit.h:493,
from vidcap.cpp:73:
C:/DX90SDK/Include/amstream.h:2: warning: ignoring #pragma warning
In file included from C:/DX90SDK/Include/amstream.h:107,
from C:/DX90SDK/Include/qedit.h:493,
from vidcap.cpp:73:
C:/DX90SDK/Include/mmstream.h:2: warning: ignoring #pragma warning
In file included from C:/DX90SDK/Include/amstream.h:108,
from C:/DX90SDK/Include/qedit.h:493,
from vidcap.cpp:73:
C:/DX90SDK/Include/strmif.h:2: warning: ignoring #pragma warning
In file included from C:/DX90SDK/Include/amstream.h:122,
from C:/DX90SDK/Include/qedit.h:493,
from vidcap.cpp:73:
C:/DX90SDK/Include/mmstream.h:2: warning: ignoring #pragma warning
In file included from C:/DX90SDK/Include/amstream.h:123,
from C:/DX90SDK/Include/qedit.h:493,
from vidcap.cpp:73:
C:/DX90SDK/Include/ddstream.h:2: warning: ignoring #pragma warning
In file included from C:/DX90SDK/Include/ddstream.h:59,
from C:/DX90SDK/Include/amstream.h:123,
from C:/DX90SDK/Include/qedit.h:493,
from vidcap.cpp:73:
C:/DX90SDK/Include/mmstream.h:2: warning: ignoring #pragma warning
In file included from C:/DX90SDK/Include/amstream.h:124,
from C:/DX90SDK/Include/qedit.h:493,
from vidcap.cpp:73:
C:/DX90SDK/Include/austream.h:2: warning: ignoring #pragma warning
In file included from C:/DX90SDK/Include/austream.h:71,
from C:/DX90SDK/Include/amstream.h:124,
from C:/DX90SDK/Include/qedit.h:493,
from vidcap.cpp:73:
C:/DX90SDK/Include/mmstream.h:2: warning: ignoring #pragma warning
writing build\temp.win32-2.3\Release\vidcap.def
cc -mno-cygwin -shared -s build\temp.win32-2.3\Release\vidcap.o
build\temp.win32-2.3\Release\vidcap.def -LC:\Python23\libs -LC:\DX90SDK\Lib
-LC:\Python23\Enthought\MingW\lib -Lc:\Python23\libs -Lc:\Python23\PCBuild -lpython23
-o build\lib.win32-2.3\vidcap.pyd
error: command 'cc' failed: No such file or directory
I obtain warning, but I think that we can be to ignore them.
(#pragma warning( disable: 4049 ) /* more than 64k source lines */)
Then my problem it is that it does not create my module .pyd. Maybe linker
error ? But I don't see why that command 'cc' failed ! (I use gcc)
I think the part C:\Python23\Enthought\MingW\bin\g in beginning line was
disappeared !
I try to run all this command line, i.e. :
C:\Python23\Enthought\MingW\bin\gcc -mno-cygwin -shared -s
build\temp.win32-2.3\Release\vidcap.o
build\temp.win32-2.3\Release\vidcap.def -LC:\Python23\libs -LC:\DX90SDK\Lib
-LC:\Python23\Enthought\MingW\lib -Lc:\Python23\libs -Lc:\Python23\PCBuild -lpython23
-o build\lib.win32-2.3\vidcap.pyd
Here a part of result :
build\temp.win32-2.3\Release\vidcap.o(.text+0x570):vidcap.cpp: undefined
reference to `IID_IGraphBuilder'
build\temp.win32-2.3\Release\vidcap.o(.text+0x579):vidcap.cpp: undefined
reference to `CLSID_FilterGraph'
build\temp.win32-2.3\Release\vidcap.o(.text+0x57e):vidcap.cpp: undefined
reference to `CoCreateInstance@20'
build\temp.win32-2.3\Release\vidcap.o(.text+0x59e):vidcap.cpp: undefined
reference to `IID_ICaptureGraphBuilder2'
build\temp.win32-2.3\Release\vidcap.o(.text+0x5a7):vidcap.cpp: undefined
reference to `CLSID_CaptureGraphBuilder2'
build\temp.win32-2.3\Release\vidcap.o(.text+0x5ac):vidcap.cpp: undefined
reference to `CoCreateInstance@20'
....
I think it is a problem of linker error. However I show the right directory
to recover libraries
(-LC:\Python23\libs -LC:\DX90SDK\Lib -LC:\Python23\Enthought\MingW\lib), but
apparently does not take into account.
In short, how to make ?
If I did not take the right method of resolution of my problem, how then I
do to proceed ?
Thanks for any ideas.
Ps : I also wanted to compile it under dev-cpp to see. Result, same problem,
but only 5 or 6 linker errors.
I include in the parameters of linker :
C:/Python23/libs/libpython23.a
C:/DX90SDK/Lib/amstrmid.lib
C:/Python23/Enthought/MingW/lib/libole32.a
C:/Python23/Enthought/MingW/lib/liboleaut32.a
Regards,
Jérôme
