add new files for export dialogs

git-svn-id: svn://localhost/trunk/ardour2@350 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 209 insertions, 0 deletions

diff --git a/gtk2_ardour/export_range_markers_dialog.cc b/gtk2_ardour/export_range_markers_dialog.cc
new file mode 100644
index 0000000000..07ce651e62
--- /dev/null
+++ b/gtk2_ardour/export_range_markers_dialog.cc
@@ -0,0 +1,209 @@
+/*
+    Copyright (C) 2006 Paul Davis
+    Author: Andre Raue
+
+    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.
+
+*/
+
+#include <sys/stat.h>
+
+#include <sstream>
+
+#include <ardour/audioengine.h>
+#include <ardour/sndfile_helpers.h>
+
+#include <pbd/dirname.h>
+
+#include "ardour_ui.h"
+#include "export_range_markers_dialog.h"
+
+#include "i18n.h"
+
+using namespace Gtk;
+using namespace ARDOUR;
+using namespace std;
+
+ExportRangeMarkersDialog::ExportRangeMarkersDialog (PublicEditor& editor) 
+	: ExportDialog(editor)
+{ 
+	do_not_allow_export_cd_markers();
+	
+	total_duration = 0;
+	current_range_marker_index = 0;
+}
+	
+	
+void 
+ExportRangeMarkersDialog::export_audio_data ()
+{
+	getSession().locations()->apply(*this, &ExportRangeMarkersDialog::process_range_markers_export);
+}
+
+void
+ExportRangeMarkersDialog::process_range_markers_export(Locations::LocationList& locations)
+{
+	Locations::LocationList::iterator locationIter;
+	current_range_marker_index = 0;
+	init_progress_computing(locations);
+	
+	for (locationIter = locations.begin(); locationIter != locations.end(); ++locationIter) {
+		Location *currentLocation = (*locationIter);
+
+		if(currentLocation->is_range_marker()){
+			// init filename
+			string filepath = get_target_filepath(
+				get_selected_file_name(),
+				currentLocation->name(),
+				sndfile_file_ending_from_string(get_selected_header_format()));
+			
+			initSpec(filepath);
+			
+			spec.start_frame = currentLocation->start();
+			spec.end_frame = currentLocation->end();
+
+			getSession().request_locate(spec.start_frame, false);
+
+			if (getSession().start_audio_export(spec)){
+				// if export fails			
+				return;
+			}
+
+			// wait until export of this range finished
+			gtk_main_iteration();
+			while(spec.running){
+				if(gtk_events_pending()){
+					gtk_main_iteration();
+				}else {
+					usleep(10000);
+				}
+			}
+			
+			getSession().engine().freewheel (false);
+			current_range_marker_index++;
+		}
+	}
+	
+	spec.running = false;
+}
+
+
+string
+ExportRangeMarkersDialog::get_target_filepath(string path, string filename, string postfix)
+{
+	string target_path = path;
+	if ((target_path.find_last_of ('/')) != string::npos) {
+		target_path += '/';
+	}
+
+	string target_filepath = target_path + filename + postfix;
+	struct stat statbuf;
+	
+	for(int counter=1; (stat (target_filepath.c_str(), &statbuf) == 0); counter++){
+		// while file exists	
+		ostringstream scounter;
+		scounter.flush();
+		scounter << counter;
+		
+		target_filepath = 
+			target_path + filename + "_" + scounter.str() + postfix;
+	}
+	
+	return target_filepath;
+}
+
+
+bool
+ExportRangeMarkersDialog::is_filepath_valid(string &filepath)
+{
+  	// sanity check file name first
+  	struct stat statbuf;
+  
+  	if (filepath.empty()) {
+  		// warning dialog
+ 		string txt = _("Please enter a valid target directory.");
+		MessageDialog msg (*this, txt, false, MESSAGE_ERROR, BUTTONS_OK, true);
+		msg.run();
+ 		return false;
+ 	}
+ 	
+	if ( (stat (filepath.c_str(), &statbuf) != 0) || 
+		(!S_ISDIR (statbuf.st_mode)) ) {
+	 		string txt = _("Please select an existing target directory. Files\n"
+				"are not allowed!");
+			MessageDialog msg (*this, txt, false, MESSAGE_ERROR, BUTTONS_OK, true);
+			msg.run();
+ 			return false;
+	}
+ 	
+ 	// directory needs to exist and be writable
+ 	string dirpath = PBD::dirname (filepath);
+ 	if (::access (dirpath.c_str(), W_OK) != 0) {
+ 		string txt = _("Cannot write file in: ") + dirpath;
+		MessageDialog msg (*this, txt, false, MESSAGE_ERROR, BUTTONS_OK, true);
+		msg.run();
+ 		return false;
+  	}
+	
+	return true;
+}
+
+
+void
+ExportRangeMarkersDialog::init_progress_computing(Locations::LocationList& locations)
+{
+	// flush vector
+	range_markers_durations_aggregated.resize(0);
+	
+	jack_nframes_t duration_before_current_location = 0;
+	Locations::LocationList::iterator locationIter;
+		
+	for (locationIter = locations.begin(); locationIter != locations.end(); ++locationIter) {
+		Location *currentLocation = (*locationIter);
+		
+		if(currentLocation->is_range_marker()){
+			range_markers_durations_aggregated.push_back(
+				duration_before_current_location);
+			
+			jack_nframes_t duration = 
+				currentLocation->end() - currentLocation->start();
+			
+			range_markers_durations.push_back(duration);
+			duration_before_current_location += duration;	
+		}
+	}
+
+	total_duration = duration_before_current_location;	
+}
+
+
+gint
+ExportRangeMarkersDialog::progress_timeout ()
+{
+	double progress = 0.0;
+	
+	if(current_range_marker_index >= range_markers_durations.size()){
+		progress = 1.0;
+	}
+	else{
+		progress = 
+			((double) range_markers_durations_aggregated[current_range_marker_index] +
+			(spec.progress * (double) range_markers_durations[current_range_marker_index])) /
+			(double) total_duration;
+	}
+	
+	set_progress_fraction( progress );
+	return TRUE;
+}