Files
OpenSceneGraph/src/osgPlugins/quicktime/QTUtils.cpp

140 lines
4.3 KiB
C++

/*
* QTUtils.cpp
* NativeContext
*
* Created by Stephan Huber on Fri Sep 06 2002.
* Copyright (c) 2002 digital mind. All rights reserved.
*
*/
#include <osg/ref_ptr>
#include <osg/Referenced>
#include <osg/Notify>
#include "QTUtils.h"
#include "osgDB/Registry"
using namespace std;
class QuicktimeInitializer : public osg::Referenced {
public:
QuicktimeInitializer() :osg::Referenced() {
#ifndef __APPLE__
InitializeQTML(0);
#endif
OSErr err = EnterMovies();
if (err!=0)
osg::notify(osg::FATAL) << "Error while initializing quicktime: " << err << endl;
else
osg::notify(osg::DEBUG_INFO) << "Quicktime initialized successfully" << endl;
static bool registered = false;
if (!registered){
registerQTReader();
registered = true;
}
}
~QuicktimeInitializer() {
#ifndef __APPLE__
ExitMovies();
#endif
//osg::notify(osg::DEBUG_INFO) << "Quicktime deinitialized successfully" << endl;
}
protected:
void registerQTReader() {
osgDB::Registry* r = osgDB::Registry::instance();
r->addFileExtensionAlias("mov", "qt");
#ifdef QT_HANDLE_IMAGES_ALSO
r->addFileExtensionAlias("jpg", "qt");
r->addFileExtensionAlias("jpe", "qt");
r->addFileExtensionAlias("jpeg", "qt");
r->addFileExtensionAlias("tif", "qt");
r->addFileExtensionAlias("tiff", "qt");
r->addFileExtensionAlias("gif", "qt");
r->addFileExtensionAlias("png", "qt");
r->addFileExtensionAlias("psd", "qt");
r->addFileExtensionAlias("tga", "qt");
r->addFileExtensionAlias("mov", "qt");
r->addFileExtensionAlias("avi", "qt");
r->addFileExtensionAlias("mpg", "qt");
r->addFileExtensionAlias("mpv", "qt");
r->addFileExtensionAlias("dv", "qt");
r->addFileExtensionAlias("mp4", "qt");
r->addFileExtensionAlias("m4v", "qt");
#endif
}
};
void initQuicktime(bool erase) {
static osg::ref_ptr<QuicktimeInitializer> s_qt_init = new QuicktimeInitializer();
if (erase) {
s_qt_init = NULL;
} else if (!s_qt_init.valid())
{
s_qt_init = new QuicktimeInitializer();
}
}
void exitQuicktime() {
initQuicktime(true);
}
// ---------------------------------------------------------------------------
// MakeFSSPecFromPath
// wandelt einen Posix-Pfad in ein FSSpec um.
// ---------------------------------------------------------------------------
OSStatus MakeFSSpecFromPath(const char* path, FSSpec* spec) {
#ifdef __APPLE__
OSStatus err;
FSRef fsref;
Boolean isdir;
/*
FSPathMakeRef is only available in Carbon. It takes a POSIX path and
tries to convert it into a MacOS FSRef object.
We don't want folders, only files, so we'll fail here if we got a
directory.
*/
err = FSPathMakeRef((const UInt8*)path, &fsref, &isdir);
if (err!=0) return err;
if (isdir) return 1;
// Ditto
err = FSGetCatalogInfo(&fsref, kFSCatInfoNone, NULL, NULL, spec, NULL);
return err;
#else
return -1;
#endif
}
// ---------------------------------------------------------------------------
// MakeMovieFromPath
// ---------------------------------------------------------------------------
OSStatus MakeMovieFromPath(const char* path, Movie* movie, short& resref) {
OSStatus err;
FSSpec spec;
#ifdef __APPLE__
MakeFSSpecFromPath(path, &spec);
#else
err = NativePathNameToFSSpec((char*)path, &spec, 0 /* flags */);
#endif
err = OpenMovieFile(&spec, &resref, fsRdPerm);
if (err!=0) return err;
err = NewMovieFromFile(movie, resref, NULL, NULL, 0, NULL);
if (err==0) err=GetMoviesError();
return err;
}