Merged with trunk R861

Possible new bugs - not very thoroughly tested, but at least functional at first glance


git-svn-id: svn://localhost/ardour2/branches/midi@870 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 219 insertions, 0 deletions

diff --git a/libs/ardour/source_factory.cc b/libs/ardour/source_factory.cc
new file mode 100644
index 0000000000..2fcdd29033
--- /dev/null
+++ b/libs/ardour/source_factory.cc
@@ -0,0 +1,219 @@
+/*
+    Copyright (C) 2000-2006 Paul Davis 
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+    $Id$
+*/
+
+#include <ardour/source_factory.h>
+#include <ardour/sndfilesource.h>
+#include <ardour/smf_source.h>
+#include <ardour/destructive_filesource.h>
+#include <ardour/configuration.h>
+
+#include "i18n.h"
+
+using namespace ARDOUR;
+using namespace std;
+
+sigc::signal<void,boost::shared_ptr<Source> > SourceFactory::SourceCreated;
+
+#ifdef HAVE_COREAUDIO
+
+
+boost::shared_ptr<Source>
+SourceFactory::create (const XMLNode& node)
+{
+	DataType type = DataType::AUDIO;
+	const XMLProperty* prop = node.property("type");
+	if (prop) {
+		type = DataType(prop->value());
+	}
+
+	if (type == DataType::AUDIO) {
+		
+		if (node.property (X_("destructive")) != 0) {
+			
+			boost::shared_ptr<Source> ret (new DestructiveFileSource (node));
+			SourceCreated (ret);
+			return ret;
+		
+		} else {
+
+			try {
+				boost::shared_ptr<Source> ret (new CoreAudioSource (node));
+				SourceCreated (ret);
+				return ret;
+			} 
+
+
+			catch (failed_constructor& err) {
+				boost::shared_ptr<Source> ret (new SndFileSource (node));
+				SourceCreated (ret);
+				return ret;
+			}
+		}
+
+	} else if (type == DataType::MIDI) {
+		
+		boost::shared_ptr<Source> ret (new SMFSource (node));
+		SourceCreated (ret);
+		return ret;
+
+	}
+	
+	return boost::shared_ptr<Source>();
+}
+
+#else
+
+boost::shared_ptr<Source>
+SourceFactory::create (const XMLNode& node)
+{
+	DataType type = DataType::AUDIO;
+	const XMLProperty* prop = node.property("type");
+	if (prop) {
+		type = DataType(prop->value());
+	}
+
+	if (type == DataType::AUDIO) {
+		
+		if (node.property (X_("destructive")) != 0) {
+
+			boost::shared_ptr<Source> ret (new DestructiveFileSource (node));
+			SourceCreated (ret);
+			return ret;
+
+		} else {
+
+			boost::shared_ptr<Source> ret (new SndFileSource (node));
+			SourceCreated (ret);
+			return ret;
+		}
+
+	} else if (type == DataType::MIDI) {
+
+		boost::shared_ptr<Source> ret (new SMFSource (node));
+		SourceCreated (ret);
+		return ret;
+
+	}
+	
+	return boost::shared_ptr<Source> ();
+}
+
+#endif // HAVE_COREAUDIO
+
+#ifdef HAVE_COREAUDIO
+boost::shared_ptr<Source>
+SourceFactory::createReadable (string idstr, AudioFileSource::Flag flags, bool announce)
+{
+	if (type == DataType::AUDIO) {
+		if (flags & Destructive) {
+			boost::shared_ptr<Source> ret (new DestructiveFileSource (idstr, flags));
+			if (announce) {
+				SourceCreated (ret);
+			}
+			return ret;
+		}
+
+		try {
+			boost::shared_ptr<Source> ret (new CoreAudioSource (idstr, flags));
+			if (announce) {
+				SourceCreated (ret);
+			}
+			return ret;
+		}
+
+		catch (failed_constructor& err) {
+			boost::shared_ptr<Source> ret (new SndFileSource (idstr, flags));
+			if (announce) {
+				SourceCreated (ret);
+			}
+			return ret;
+		}
+	} else if (type == DataType::MIDI) {
+
+		boost::shared_ptr<Source> ret (new SMFSource (node));
+		SourceCreated (ret);
+		return ret;
+
+	}
+
+	return boost::shared_ptr<Source>();
+}
+
+#else
+
+boost::shared_ptr<Source>
+SourceFactory::createReadable (DataType type, string idstr, AudioFileSource::Flag flags, bool announce)
+{
+	if (type == DataType::AUDIO) {
+		boost::shared_ptr<Source> ret (new SndFileSource (idstr, flags));
+		if (announce) {
+			SourceCreated (ret);
+		}
+		return ret;
+
+	} else if (type == DataType::MIDI) {
+
+		boost::shared_ptr<Source> ret (new SMFSource (idstr, SMFSource::Flag(0))); // FIXME: flags?
+		SourceCreated (ret);
+		return ret;
+
+	}
+	
+	return boost::shared_ptr<Source> ();
+}
+
+#endif // HAVE_COREAUDIO
+
+boost::shared_ptr<Source>
+SourceFactory::createWritable (DataType type, std::string path, bool destructive, jack_nframes_t rate, bool announce)
+{
+	/* this might throw failed_constructor(), which is OK */
+
+	if (type == DataType::AUDIO) {
+		if (destructive) {
+			boost::shared_ptr<Source> ret (new DestructiveFileSource (path,
+						Config->get_native_file_data_format(),
+						Config->get_native_file_header_format(),
+						rate));
+			if (announce) {
+				SourceCreated (ret);
+			}
+			return ret;
+
+		} else {
+			boost::shared_ptr<Source> ret (new SndFileSource (path, 
+						Config->get_native_file_data_format(),
+						Config->get_native_file_header_format(),
+						rate));
+			if (announce) {
+				SourceCreated (ret);
+			}
+			return ret;
+		}
+	} else if (type == DataType::MIDI) {
+
+		boost::shared_ptr<Source> ret (new SMFSource (path));
+		SourceCreated (ret);
+		return ret;
+
+	}
+
+	return boost::shared_ptr<Source> ();
+}