git-svn-id: svn://localhost/ardour2/trunk@629 d708f5d6-7413-0410-9779-e7cbd77b26cf
209 lines
5.3 KiB
C++
209 lines
5.3 KiB
C++
/*
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Copyright (C) 2006 Paul Davis
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Author: Andre Raue
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <sys/stat.h>
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#include <sstream>
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#include <ardour/audioengine.h>
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#include <ardour/sndfile_helpers.h>
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#include "ardour_ui.h"
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#include "export_range_markers_dialog.h"
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#include "i18n.h"
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using namespace Gtk;
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using namespace ARDOUR;
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using namespace PBD;
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using namespace std;
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ExportRangeMarkersDialog::ExportRangeMarkersDialog (PublicEditor& editor)
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: ExportDialog(editor)
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{
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do_not_allow_export_cd_markers();
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total_duration = 0;
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current_range_marker_index = 0;
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}
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void
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ExportRangeMarkersDialog::export_audio_data ()
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{
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getSession().locations()->apply(*this, &ExportRangeMarkersDialog::process_range_markers_export);
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}
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void
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ExportRangeMarkersDialog::process_range_markers_export(Locations::LocationList& locations)
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{
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Locations::LocationList::iterator locationIter;
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current_range_marker_index = 0;
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init_progress_computing(locations);
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for (locationIter = locations.begin(); locationIter != locations.end(); ++locationIter) {
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Location *currentLocation = (*locationIter);
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if(currentLocation->is_range_marker()){
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// init filename
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string filepath = get_target_filepath(
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get_selected_file_name(),
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currentLocation->name(),
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sndfile_file_ending_from_string(get_selected_header_format()));
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initSpec(filepath);
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spec.start_frame = currentLocation->start();
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spec.end_frame = currentLocation->end();
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getSession().request_locate(spec.start_frame, false);
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if (getSession().start_audio_export(spec)){
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// if export fails
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return;
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}
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// wait until export of this range finished
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gtk_main_iteration();
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while(spec.running){
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if(gtk_events_pending()){
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gtk_main_iteration();
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}else {
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usleep(10000);
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}
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}
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getSession().engine().freewheel (false);
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current_range_marker_index++;
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}
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}
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spec.running = false;
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}
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string
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ExportRangeMarkersDialog::get_target_filepath(string path, string filename, string postfix)
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{
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string target_path = path;
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if ((target_path.find_last_of ('/')) != string::npos) {
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target_path += '/';
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}
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string target_filepath = target_path + filename + postfix;
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struct stat statbuf;
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for(int counter=1; (stat (target_filepath.c_str(), &statbuf) == 0); counter++){
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// while file exists
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ostringstream scounter;
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scounter.flush();
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scounter << counter;
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target_filepath =
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target_path + filename + "_" + scounter.str() + postfix;
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}
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return target_filepath;
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}
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bool
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ExportRangeMarkersDialog::is_filepath_valid(string &filepath)
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{
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// sanity check file name first
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struct stat statbuf;
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if (filepath.empty()) {
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// warning dialog
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string txt = _("Please enter a valid target directory.");
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MessageDialog msg (*this, txt, false, MESSAGE_ERROR, BUTTONS_OK, true);
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msg.run();
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return false;
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}
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if ( (stat (filepath.c_str(), &statbuf) != 0) ||
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(!S_ISDIR (statbuf.st_mode)) ) {
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string txt = _("Please select an existing target directory. Files\n"
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"are not allowed!");
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MessageDialog msg (*this, txt, false, MESSAGE_ERROR, BUTTONS_OK, true);
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msg.run();
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return false;
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}
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// directory needs to exist and be writable
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string dirpath = Glib::path_get_dirname (filepath);
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if (::access (dirpath.c_str(), W_OK) != 0) {
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string txt = _("Cannot write file in: ") + dirpath;
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MessageDialog msg (*this, txt, false, MESSAGE_ERROR, BUTTONS_OK, true);
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msg.run();
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return false;
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}
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return true;
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}
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void
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ExportRangeMarkersDialog::init_progress_computing(Locations::LocationList& locations)
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{
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// flush vector
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range_markers_durations_aggregated.resize(0);
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jack_nframes_t duration_before_current_location = 0;
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Locations::LocationList::iterator locationIter;
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for (locationIter = locations.begin(); locationIter != locations.end(); ++locationIter) {
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Location *currentLocation = (*locationIter);
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if(currentLocation->is_range_marker()){
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range_markers_durations_aggregated.push_back(
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duration_before_current_location);
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jack_nframes_t duration =
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currentLocation->end() - currentLocation->start();
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range_markers_durations.push_back(duration);
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duration_before_current_location += duration;
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}
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}
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total_duration = duration_before_current_location;
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}
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gint
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ExportRangeMarkersDialog::progress_timeout ()
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{
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double progress = 0.0;
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if(current_range_marker_index >= range_markers_durations.size()){
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progress = 1.0;
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}
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else{
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progress =
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((double) range_markers_durations_aggregated[current_range_marker_index] +
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(spec.progress * (double) range_markers_durations[current_range_marker_index])) /
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(double) total_duration;
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}
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set_progress_fraction( progress );
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return TRUE;
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}
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