Files
itgmania212121/stepmania/src/arch/MovieTexture/MovieTexture.cpp
T
2003-06-30 18:08:27 +00:00

75 lines
1.7 KiB
C++

#include "global.h"
#include "MovieTexture.h"
#include "RageUtil.h"
#include "RageLog.h"
#if defined(WIN32)
#include "MovieTexture_DShow.h"
#endif
#include <fstream>
bool RageMovieTexture::GetFourCC( CString fn, CString &handler, CString &type )
{
CString ignore, ext;
splitpath( fn, ignore, ignore, ext);
if( !ext.CompareNoCase(".mpg") ||
!ext.CompareNoCase(".mpeg") ||
!ext.CompareNoCase(".mpv") ||
!ext.CompareNoCase(".mpe") )
{
handler = type = "MPEG";
return true;
}
ifstream f;
f.exceptions( ifstream::eofbit | ifstream::failbit | ifstream::badbit );
try {
f.open(fn);
f.seekg( 0x70, ios_base::beg );
type = " ";
f.read((char *) type.c_str(), 4);
int i;
for( i = 0; i < 4; ++i)
if(type[i] < 0x20 || type[i] > 0x7E) type[i] = '?';
f.seekg( 0xBC, ios_base::beg );
handler = " ";
f.read((char *) handler.c_str(), 4);
for(i = 0; i < 4; ++i)
if(handler[i] < 0x20 || handler[i] > 0x7E) handler[i] = '?';
} catch(ifstream::failure e) {
LOG->Warn("error on %s: %s", fn.c_str(), e.what() );
handler = type = "";
return false;
}
return true;
}
static void DumpAVIDebugInfo( CString fn )
{
CString type, handler;
if( !RageMovieTexture::GetFourCC( fn, handler, type ) )
return;
LOG->Info("Movie %s has handler '%s', type '%s'", fn.c_str(), handler.c_str(), type.c_str());
}
/* Try drivers in order of preference until we find one that works. */
/* Well, eventually; for now it's DShow or bust.w */
RageMovieTexture *MakeRageMovieTexture(RageTextureID ID)
{
DumpAVIDebugInfo( ID.filename );
#if defined(WIN32)
return new MovieTexture_DShow(ID);
#else
/* XXX: need a simple null movie texture object */
RageException::Throw("xxx");
#endif
}