gtk2_ardour/sfdb_ui.cc

   1 /*
   2     Copyright (C) 2005 Paul Davis
   3     Written by Taybin Rutkin
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18
  19
  20 */
  21
  22 #include <map>
  23 #include <cerrno>
  24
  25 #include <pbd/basename.h>
  26
  27 #include <gtkmm/box.h>
  28 #include <gtkmm/stock.h>
  29
  30 #include <ardour/audio_library.h>
  31 #include <ardour/audioregion.h>
  32 #include <ardour/externalsource.h>
  33
  34 #include "gui_thread.h"
  35 #include "prompter.h"
  36 #include "sfdb_ui.h"
  37
  38 #include "i18n.h"
  39
  40 using namespace ARDOUR;
  41
  42 std::string length2string (const int32_t frames, const float sample_rate);
  43
  44 SoundFileBox::SoundFileBox ()
  45         :
  46         _session(0),
  47         current_pid(0),
  48         fields(Gtk::ListStore::create(label_columns)),
  49         main_box (false, 3),
  50         top_box (true, 4),
  51         bottom_box (true, 4),
  52         play_btn(_("Play")),
  53         stop_btn(_("Stop")),
  54         add_field_btn(_("Add Field...")),
  55         remove_field_btn(_("Remove Field"))
  56 {
  57         set_name (X_("SoundFileBox"));
  58         border_frame.set_label (_("Soundfile Info"));
  59         border_frame.add (main_box);
  60
  61         pack_start (border_frame);
  62         set_border_width (4);
  63
  64         main_box.set_border_width (4);
  65
  66         main_box.pack_start(length, false, false);
  67         main_box.pack_start(format, false, false);
  68         main_box.pack_start(channels, false, false);
  69         main_box.pack_start(samplerate, false, false);
  70         main_box.pack_start(field_view, true, true);
  71         main_box.pack_start(top_box, false, false);
  72         main_box.pack_start(bottom_box, false, false);
  73
  74         field_view.set_model (fields);
  75         field_view.set_size_request(200, 150);
  76         field_view.append_column (_("Field"), label_columns.field);
  77         field_view.append_column_editable (_("Value"), label_columns.data);
  78
  79         top_box.set_homogeneous(true);
  80         top_box.pack_start(add_field_btn);
  81         top_box.pack_start(remove_field_btn);
  82
  83         remove_field_btn.set_sensitive(false);
  84
  85         bottom_box.set_homogeneous(true);
  86         bottom_box.pack_start(play_btn);
  87         bottom_box.pack_start(stop_btn);
  88
  89         play_btn.signal_clicked().connect (mem_fun (*this, &SoundFileBox::play_btn_clicked));
  90         stop_btn.signal_clicked().connect (mem_fun (*this, &SoundFileBox::stop_btn_clicked));
  91
  92         add_field_btn.signal_clicked().connect
  93                         (mem_fun (*this, &SoundFileBox::add_field_clicked));
  94         remove_field_btn.signal_clicked().connect
  95                         (mem_fun (*this, &SoundFileBox::remove_field_clicked));
  96
  97         field_view.get_selection()->signal_changed().connect (mem_fun (*this, &SoundFileBox::field_selected));
  98         Library->fields_changed.connect (mem_fun (*this, &SoundFileBox::setup_fields));
  99
 100         show_all();
 101         stop_btn.hide();
 102 }
 103
 104 void
 105 SoundFileBox::set_session(Session* s)
 106 {
 107         _session = s;
 108
 109     if (!_session) {
 110                 play_btn.set_sensitive(false);
 111         } else {
 112                 _session->AuditionActive.connect(mem_fun (*this, &SoundFileBox::audition_status_changed));
 113         }
 114 }
 115
 116 bool
 117 SoundFileBox::setup_labels (string filename)
 118 {
 119         path = filename;
 120
 121         string error_msg;
 122         if(!ExternalSource::get_soundfile_info (filename, sf_info, error_msg)) {
 123                 return false;
 124         }
 125
 126         length.set_alignment (0.0f, 0.0f);
 127         length.set_text (string_compose("Length: %1", length2string(sf_info.length, sf_info.samplerate)));
 128
 129         format.set_alignment (0.0f, 0.0f);
 130         format.set_text (sf_info.format_name);
 131
 132         channels.set_alignment (0.0f, 0.0f);
 133         channels.set_text (string_compose("Channels: %1", sf_info.channels));
 134
 135         samplerate.set_alignment (0.0f, 0.0f);
 136         samplerate.set_text (string_compose("Samplerate: %1", sf_info.samplerate));
 137
 138         setup_fields ();
 139
 140         return true;
 141 }
 142
 143 void
 144 SoundFileBox::setup_fields ()
 145 {
 146         ENSURE_GUI_THREAD(mem_fun (*this, &SoundFileBox::setup_fields));
 147
 148         fields->clear ();
 149
 150         vector<string> field_list;
 151         Library->get_fields(field_list);
 152
 153         vector<string>::iterator i;
 154         Gtk::TreeModel::iterator iter;
 155         Gtk::TreeModel::Row row;
 156         for (i = field_list.begin(); i != field_list.end(); ++i) {
 157                 if (!(*i == _("channels") || *i == _("samplerate") ||
 158                         *i == _("resolution") || *i == _("format"))) {
 159                         iter = fields->append();
 160                         row = *iter;
 161
 162                         string value = Library->get_field(path, *i);
 163                         row[label_columns.field] = *i;
 164                         row[label_columns.data]  = value;
 165                 }
 166         }
 167 }
 168
 169 void
 170 SoundFileBox::play_btn_clicked ()
 171 {
 172         if (!_session) {
 173                 return;
 174         }
 175
 176         _session->cancel_audition();
 177
 178         if (access(path.c_str(), R_OK)) {
 179                 warning << string_compose(_("Could not read file: %1 (%2)."), path, strerror(errno)) << endmsg;
 180                 return;
 181         }
 182
 183         static std::map<string, AudioRegion*> region_cache;
 184
 185         if (region_cache.find (path) == region_cache.end()) {
 186                 AudioRegion::SourceList srclist;
 187                 ExternalSource* sfs;
 188
 189                 for (int n = 0; n < sf_info.channels; ++n) {
 190                         try {
 191                                 sfs = ExternalSource::create (path+":"+string_compose("%1", n), false);
 192                                 srclist.push_back(sfs);
 193
 194                         } catch (failed_constructor& err) {
 195                                 error << _("Could not access soundfile: ") << path << endmsg;
 196                                 return;
 197                         }
 198                 }
 199
 200                 if (srclist.empty()) {
 201                         return;
 202                 }
 203
 204                 string result;
 205                 _session->region_name (result, PBD::basename(srclist[0]->name()), false);
 206                 AudioRegion* a_region = new AudioRegion(srclist, 0, srclist[0]->length(), result, 0, Region::DefaultFlags, false);
 207                 region_cache[path] = a_region;
 208         }
 209
 210         play_btn.hide();
 211         stop_btn.show();
 212
 213         _session->audition_region(*region_cache[path]);
 214 }
 215
 216 void
 217 SoundFileBox::stop_btn_clicked ()
 218 {
 219         if (_session) {
 220                 _session->cancel_audition();
 221                 play_btn.show();
 222                 stop_btn.hide();
 223         }
 224 }
 225
 226 void
 227 SoundFileBox::add_field_clicked ()
 228 {
 229     ArdourPrompter prompter (true);
 230     string name;
 231
 232     prompter.set_prompt (_("Name for field"));
 233
 234     switch (prompter.run ()) {
 235                 case Gtk::RESPONSE_ACCEPT:
 236                 prompter.get_result (name);
 237                         if (name.length()) {
 238                                 Library->add_field (name);
 239                                 Library->save_changes ();
 240                         }
 241                 break;
 242
 243             default:
 244                 break;
 245     }
 246 }
 247
 248 void
 249 SoundFileBox::remove_field_clicked ()
 250 {
 251         field_view.get_selection()->selected_foreach_iter(mem_fun(*this, &SoundFileBox::delete_row));
 252
 253         Library->save_changes ();
 254 }
 255
 256 void
 257 SoundFileBox::delete_row (const Gtk::TreeModel::iterator& iter)
 258 {
 259         Gtk::TreeModel::Row row = *iter;
 260
 261         Library->remove_field(row[label_columns.field]);
 262 }
 263
 264 void
 265 SoundFileBox::audition_status_changed (bool active)
 266 {
 267     ENSURE_GUI_THREAD(bind (mem_fun (*this, &SoundFileBox::audition_status_changed), active));
 268
 269         if (!active) {
 270                 stop_btn_clicked ();
 271         }
 272 }
 273
 274 void
 275 SoundFileBox::field_selected ()
 276 {
 277         if (field_view.get_selection()->count_selected_rows()) {
 278                 remove_field_btn.set_sensitive(true);
 279         } else {
 280                 remove_field_btn.set_sensitive(false);
 281         }
 282 }
 283
 284 SoundFileBrowser::SoundFileBrowser (std::string title)
 285         :
 286         ArdourDialog(title),
 287         chooser(Gtk::FILE_CHOOSER_ACTION_OPEN)
 288 {
 289         get_vbox()->pack_start(chooser);
 290         chooser.set_preview_widget(preview);
 291
 292         chooser.signal_update_preview().connect(mem_fun(*this, &SoundFileBrowser::update_preview));
 293 }
 294
 295 void
 296 SoundFileBrowser::set_session (Session* s)
 297 {
 298         preview.set_session(s);
 299 }
 300
 301 void
 302 SoundFileBrowser::update_preview ()
 303 {
 304         chooser.set_preview_widget_active(preview.setup_labels(chooser.get_filename()));
 305 }
 306
 307 SoundFileChooser::SoundFileChooser (std::string title)
 308         :
 309         SoundFileBrowser(title)
 310 {
 311         add_button (Gtk::Stock::OPEN, Gtk::RESPONSE_OK);
 312         add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
 313
 314         show_all ();
 315 }
 316
 317 SoundFileOmega::SoundFileOmega (std::string title)
 318         :
 319         SoundFileBrowser(title),
 320         embed_btn (_("Embed")),
 321         import_btn (_("Import")),
 322         split_check (_("Split Channels"))
 323 {
 324         get_action_area()->pack_start(embed_btn);
 325         get_action_area()->pack_start(import_btn);
 326         add_button (Gtk::Stock::CLOSE, Gtk::RESPONSE_CLOSE);
 327
 328         chooser.set_extra_widget(split_check);
 329
 330         embed_btn.signal_clicked().connect (mem_fun (*this, &SoundFileOmega::embed_clicked));
 331         import_btn.signal_clicked().connect (mem_fun (*this, &SoundFileOmega::import_clicked));
 332
 333         show_all ();
 334 }
 335
 336 void
 337 SoundFileOmega::embed_clicked ()
 338 {
 339         Embedded (chooser.get_filenames(), split_check.get_active());
 340 }
 341
 342 void
 343 SoundFileOmega::import_clicked ()
 344 {
 345         Imported (chooser.get_filenames(), split_check.get_active());
 346 }
 347
 348 std::string
 349 length2string (const int32_t frames, const float sample_rate)
 350 {
 351     int secs = (int) (frames / sample_rate);
 352     int hrs =  secs / 3600;
 353     secs -= (hrs * 3600);
 354     int mins = secs / 60;
 355     secs -= (mins * 60);
 356
 357     int total_secs = (hrs * 3600) + (mins * 60) + secs;
 358     int frames_remaining = frames - (total_secs * sample_rate);
 359     float fractional_secs = (float) frames_remaining / sample_rate;
 360
 361     char duration_str[32];
 362     sprintf (duration_str, "%02d:%02d:%05.2f", hrs, mins, (float) secs + fractional_secs);
 363
 364     return duration_str;
 365 }
 366