gtk2_ardour/export_video_dialog.cc

   1 /*
   2     Copyright (C) 2010 Paul Davis
   3     Author: Robin Gareus <robin@gareus.org>
   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 #include <cstdio>
  21 #include <string>
  22 #include <sstream>
  23 #include <iomanip>
  24
  25 #include <unistd.h>
  26 #include <sys/types.h>
  27 #include <sys/stat.h>
  28 #include <fcntl.h>
  29
  30 #include <sigc++/bind.h>
  31
  32 #include <glib/gstdio.h>
  33
  34 #include "pbd/error.h"
  35 #include "pbd/convert.h"
  36 #include "gtkmm2ext/keyboard.h"
  37 #include "gtkmm2ext/utils.h"
  38 #include "ardour/session_directory.h"
  39 #include "ardour/profile.h"
  40 #include "ardour/template_utils.h"
  41 #include "ardour/session.h"
  42 #include "ardour_ui.h"
  43 #include "gui_thread.h"
  44
  45 #include "ardour/export_handler.h"
  46 #include "ardour/export_status.h"
  47 #include "ardour/export_timespan.h"
  48 #include "ardour/export_channel_configuration.h"
  49 #include "ardour/export_format_specification.h"
  50 #include "ardour/export_filename.h"
  51 #include "ardour/route.h"
  52 #include "ardour/session_metadata.h"
  53 #include "ardour/broadcast_info.h"
  54
  55 #include "opts.h"
  56 #include "export_video_dialog.h"
  57 #include "utils_videotl.h"
  58 #include "i18n.h"
  59
  60 #ifdef COMPILER_MSVC
  61 #define rintf(x) round((x) + 0.5)
  62 #endif
  63
  64 using namespace Gtk;
  65 using namespace std;
  66 using namespace PBD;
  67 using namespace ARDOUR;
  68 using namespace VideoUtils;
  69
  70 ExportVideoDialog::ExportVideoDialog ()
  71         : ArdourDialog (_("Export Video File "))
  72         , _aborted(false)
  73         , _twopass(false)
  74         , _firstpass(false)
  75         , _normalize(false)
  76         , _previous_progress(0)
  77         , _transcoder(0)
  78         , _video_source_aspect_ratio(-1)
  79         , _suspend_signals(false)
  80         , outfn_path_label (_("File:"), Gtk::ALIGN_LEFT)
  81         , outfn_browse_button (_("Browse"))
  82         , invid_path_label (_("Video:"), Gtk::ALIGN_LEFT)
  83         , invid_browse_button (_("Browse"))
  84         , transcode_button (_("Export"))
  85         , abort_button (_("Abort"))
  86         , scale_checkbox (_("Scale Video (W x H):"))
  87         , scale_aspect (_("Retain Aspect"))
  88         , width_adjustment (768, 128, 1920, 1, 16, 0)
  89         , width_spinner (width_adjustment)
  90         , height_adjustment (576, 128, 1920, 1, 16, 0)
  91         , height_spinner (height_adjustment)
  92         , aspect_checkbox (_("Set Aspect Ratio:"))
  93         , normalize_checkbox (_("Normalize Audio"))
  94         , twopass_checkbox (_("2 Pass Encoding"))
  95         , optimizations_checkbox (_("Codec Optimizations:"))
  96         , optimizations_label ("-")
  97         , deinterlace_checkbox (_("Deinterlace"))
  98         , bframes_checkbox (_("Use [2] B-frames (MPEG 2 or 4 only)"))
  99         , fps_checkbox (_("Override FPS (Default is to retain FPS from the input video file):"))
 100         , meta_checkbox (_("Include Session Metadata"))
 101 #if 1 /* tentative debug mode */
 102         , debug_checkbox (_("Debug Mode: Print ffmpeg command and output to stdout."))
 103 #endif
 104 {
 105         set_name ("ExportVideoDialog");
 106         set_modal (true);
 107         set_skip_taskbar_hint (true);
 108         set_resizable (false);
 109
 110         Gtk::Label* l;
 111         vbox = manage (new VBox);
 112         VBox* options_box = manage (new VBox);
 113         HBox* path_hbox;
 114
 115         /* check if ffmpeg can be found */
 116         _transcoder = new TranscodeFfmpeg(X_(""));
 117         if (!_transcoder->ffexec_ok()) {
 118                 l = manage (new Label (_("No ffprobe or ffmpeg executables could be found on this system. Video Export is not possible until you install those tools. See the Log window for more information."), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 119                 l->set_line_wrap();
 120                 vbox->pack_start (*l, false, false, 8);
 121                 get_vbox()->pack_start (*vbox, false, false);
 122                 add_button (Stock::OK, RESPONSE_CANCEL);
 123                 show_all_children ();
 124                 delete _transcoder; _transcoder = 0;
 125                 return;
 126         }
 127         delete _transcoder; _transcoder = 0;
 128
 129         l = manage (new Label (_("<b>Output:</b> (file extension defines format)"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 130         l->set_use_markup ();
 131         vbox->pack_start (*l, false, false, 4);
 132
 133         path_hbox = manage (new HBox);
 134         path_hbox->pack_start (outfn_path_label, false, false, 3);
 135         path_hbox->pack_start (outfn_path_entry, true, true, 3);
 136         path_hbox->pack_start (outfn_browse_button, false, false, 3);
 137         vbox->pack_start (*path_hbox, false, false, 2);
 138
 139         l = manage (new Label (_("<b>Input Video:</b>"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 140         l->set_use_markup ();
 141         vbox->pack_start (*l, false, false, 4);
 142
 143         path_hbox = manage (new HBox);
 144         path_hbox->pack_start (invid_path_label, false, false, 3);
 145         path_hbox->pack_start (invid_path_entry, true, true, 3);
 146         path_hbox->pack_start (invid_browse_button, false, false, 3);
 147         vbox->pack_start (*path_hbox, false, false, 2);
 148
 149         path_hbox = manage (new HBox);
 150         l = manage (new Label (_("Audio:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 151         path_hbox->pack_start (*l, false, false, 3);
 152         l = manage (new Label (_("Master Bus"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 153         path_hbox->pack_start (*l, false, false, 2);
 154         vbox->pack_start (*path_hbox, false, false, 2);
 155
 156         insnd_combo.set_name ("PaddedButton");
 157         insnd_combo.append_text (string_compose (_("from the %1 session's start to the session's end"), PROGRAM_NAME));
 158         outfn_path_entry.set_width_chars(38);
 159
 160         l = manage (new Label (_("<b>Settings:</b>"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 161         l->set_use_markup ();
 162         options_box->pack_start (*l, false, true, 4);
 163
 164         Table* t = manage (new Table (4, 12));
 165         t->set_spacings (4);
 166         int ty = 0;
 167         options_box->pack_start (*t, true, true, 4);
 168         l = manage (new Label (_("Range:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 169         t->attach (*l, 0, 1, ty, ty+1);
 170         t->attach (insnd_combo, 1, 4, ty, ty+1); ty++;
 171         l = manage (new Label (_("Preset:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 172         t->attach (*l, 0, 1, ty, ty+1);
 173         t->attach (preset_combo, 1, 4, ty, ty+1); ty++;
 174         l = manage (new Label (_("Video Codec:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 175         t->attach (*l, 0, 1, ty, ty+1);
 176         t->attach (video_codec_combo, 1, 2, ty, ty+1);
 177         l = manage (new Label (_("Video KBit/s:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 178         t->attach (*l, 2, 3, ty, ty+1);
 179         t->attach (video_bitrate_combo, 3, 4, ty, ty+1); ty++;
 180         l = manage (new Label (_("Audio Codec:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 181         t->attach (*l, 0, 1, ty, ty+1);
 182         t->attach (audio_codec_combo, 1, 2, ty, ty+1);
 183         l = manage (new Label (_("Audio KBit/s:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 184         t->attach (*l, 2, 3, ty, ty+1);
 185         t->attach (audio_bitrate_combo, 3, 4, ty, ty+1); ty++;
 186         l = manage (new Label (_("Audio Samplerate:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 187         t->attach (*l, 0, 1, ty, ty+1);
 188         t->attach (audio_samplerate_combo, 1, 2, ty, ty+1);
 189         t->attach (normalize_checkbox, 2, 4, ty, ty+1); ty++;
 190         t->attach (scale_checkbox, 0, 1, ty, ty+1);
 191         t->attach (scale_aspect, 1, 2, ty, ty+1);
 192         t->attach (width_spinner, 2, 3, ty, ty+1);
 193         t->attach (height_spinner, 3, 4, ty, ty+1); ty++;
 194         t->attach (fps_checkbox, 0, 3, ty, ty+1);
 195         t->attach (fps_combo, 3, 4, ty, ty+1); ty++;
 196         t->attach (twopass_checkbox, 0, 2, ty, ty+1);
 197         t->attach (aspect_checkbox, 2, 3, ty, ty+1);
 198         t->attach (aspect_combo, 3, 4, ty, ty+1); ty++;
 199         t->attach (bframes_checkbox, 0, 2, ty, ty+1);
 200         t->attach (deinterlace_checkbox, 2, 4, ty, ty+1); ty++;
 201         t->attach (meta_checkbox, 2, 4, ty, ty+1); ty++;
 202         t->attach (optimizations_checkbox, 0, 1, ty, ty+1);
 203         t->attach (optimizations_label, 1, 4, ty, ty+1); ty++;
 204 #if 1 /* tentative debug mode */
 205         t->attach (debug_checkbox, 0, 4, ty, ty+1); ty++;
 206 #endif
 207
 208         preset_combo.set_name ("PaddedButton");
 209         preset_combo.append_text("none");
 210         preset_combo.append_text("dvd-mp2");
 211         preset_combo.append_text("dvd-NTSC");
 212         preset_combo.append_text("dvd-PAL");
 213         preset_combo.append_text("flv");
 214         preset_combo.append_text("mpeg4");
 215         preset_combo.append_text("mp4/h264/aac");
 216         preset_combo.append_text("ogg");
 217         preset_combo.append_text("webm");
 218         preset_combo.append_text("you-tube");
 219
 220         audio_codec_combo.set_name ("PaddedButton");
 221         audio_codec_combo.append_text(_("(default for format)"));
 222         audio_codec_combo.append_text("ac3");
 223         audio_codec_combo.append_text("aac");
 224         audio_codec_combo.append_text("libmp3lame");
 225         audio_codec_combo.append_text("libvorbis");
 226         audio_codec_combo.append_text("mp2");
 227         audio_codec_combo.append_text("pcm_s16le");
 228
 229         video_codec_combo.set_name ("PaddedButton");
 230         video_codec_combo.append_text(_("(default for format)"));
 231         video_codec_combo.append_text("flv");
 232         video_codec_combo.append_text("libtheora");
 233         video_codec_combo.append_text("mjpeg");
 234         video_codec_combo.append_text("mpeg2video");
 235         video_codec_combo.append_text("mpeg4");
 236         video_codec_combo.append_text("h264");
 237         video_codec_combo.append_text("vpx (webm)");
 238         video_codec_combo.append_text("copy");
 239
 240         audio_bitrate_combo.set_name ("PaddedButton");
 241         audio_bitrate_combo.append_text(_("(default)"));
 242         audio_bitrate_combo.append_text("64k");
 243         audio_bitrate_combo.append_text("128k");
 244         audio_bitrate_combo.append_text("192k");
 245         audio_bitrate_combo.append_text("256k");
 246         audio_bitrate_combo.append_text("320k");
 247
 248         audio_samplerate_combo.set_name ("PaddedButton");
 249         audio_samplerate_combo.append_text("22050");
 250         audio_samplerate_combo.append_text("44100");
 251         audio_samplerate_combo.append_text("48000");
 252
 253         video_bitrate_combo.set_name ("PaddedButton");
 254         video_bitrate_combo.append_text(_("(default)"));
 255         video_bitrate_combo.append_text(_("(retain)"));
 256         video_bitrate_combo.append_text("200k");
 257         video_bitrate_combo.append_text("800k");
 258         video_bitrate_combo.append_text("2000k");
 259         video_bitrate_combo.append_text("5000k");
 260         video_bitrate_combo.append_text("8000k");
 261
 262         fps_combo.set_name ("PaddedButton");
 263         fps_combo.append_text("23.976");
 264         fps_combo.append_text("24");
 265         fps_combo.append_text("24.976");
 266         fps_combo.append_text("25");
 267         fps_combo.append_text("29.97");
 268         fps_combo.append_text("30");
 269         fps_combo.append_text("59.94");
 270         fps_combo.append_text("60");
 271
 272         aspect_combo.set_name ("PaddedButton");
 273         aspect_combo.append_text("4:3");
 274         aspect_combo.append_text("16:9");
 275
 276         vbox->pack_start (*options_box, false, true, 4);
 277         get_vbox()->set_spacing (4);
 278         get_vbox()->pack_start (*vbox, false, false);
 279
 280         progress_box = manage (new VBox);
 281         progress_box->pack_start (pbar, false, false);
 282         progress_box->pack_start (abort_button, false, false);
 283         get_vbox()->pack_start (*progress_box, false, false);
 284
 285         scale_checkbox.signal_toggled().connect (sigc::mem_fun (*this, &ExportVideoDialog::scale_checkbox_toggled));
 286         aspect_checkbox.signal_toggled().connect (sigc::mem_fun (*this, &ExportVideoDialog::aspect_checkbox_toggled));
 287         fps_checkbox.signal_toggled().connect (sigc::mem_fun (*this, &ExportVideoDialog::fps_checkbox_toggled));
 288         preset_combo.signal_changed().connect (sigc::mem_fun (*this, &ExportVideoDialog::preset_combo_changed));
 289         video_codec_combo.signal_changed().connect (sigc::mem_fun (*this, &ExportVideoDialog::video_codec_combo_changed));
 290         outfn_browse_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportVideoDialog::open_outfn_dialog));
 291         invid_browse_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportVideoDialog::open_invid_dialog));
 292         transcode_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportVideoDialog::launch_export));
 293         abort_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportVideoDialog::abort_clicked));
 294
 295         invid_path_entry.signal_changed().connect (sigc::mem_fun (*this, &ExportVideoDialog::set_original_file_information));
 296         width_spinner.signal_value_changed().connect (sigc::mem_fun (*this, &ExportVideoDialog::width_value_changed));
 297         height_spinner.signal_value_changed().connect (sigc::mem_fun (*this, &ExportVideoDialog::height_value_changed));
 298
 299         cancel_button = add_button (Stock::CANCEL, RESPONSE_CANCEL);
 300         get_action_area()->pack_start (transcode_button, false, false);
 301         show_all_children ();
 302         progress_box->hide();
 303 }
 304
 305 ExportVideoDialog::~ExportVideoDialog ()
 306 {
 307         if (_transcoder) { delete _transcoder; _transcoder = 0;}
 308 }
 309
 310 void
 311 ExportVideoDialog::set_original_file_information()
 312 {
 313         assert(_transcoder == 0);
 314         std::string infile = invid_path_entry.get_text();
 315
 316         if (scale_checkbox.get_active()) {
 317                 // user may have set custom values already, don't touch.
 318                 return;
 319         }
 320         if (infile == "" || !Glib::file_test(infile, Glib::FILE_TEST_EXISTS)) {
 321                 return;
 322         }
 323
 324         _transcoder = new TranscodeFfmpeg(infile);
 325         if (_transcoder->probe_ok()) {
 326                 _video_source_aspect_ratio = -1;
 327                 width_spinner.set_value(_transcoder->get_width());
 328                 height_spinner.set_value(_transcoder->get_height());
 329                 _video_source_aspect_ratio = _transcoder->get_aspect();
 330         }
 331
 332         delete _transcoder; _transcoder = 0;
 333 }
 334 void
 335 ExportVideoDialog::apply_state (TimeSelection &tme, bool range)
 336 {
 337         _suspend_dirty = true; // TODO really just queue 'dirty' and mark session dirty on "Export"
 338
 339         export_range = tme;
 340         _video_source_aspect_ratio = -1;
 341
 342         outfn_path_entry.set_text (_session->session_directory().export_path() + G_DIR_SEPARATOR +"export.avi");
 343
 344         // TODO remember setting for export-range.. somehow, (let explicit range override)
 345         frameoffset_t av_offset = ARDOUR_UI::instance()->video_timeline->get_offset();
 346         if (av_offset < 0 ) {
 347                 insnd_combo.append_text (_("from 00:00:00:00 to the video's end"));
 348         } else {
 349                 insnd_combo.append_text (_("from the video's start to the video's end"));
 350         }
 351         if (!export_range.empty()) {
 352                 insnd_combo.append_text (_("Selected range"));  // TODO show export_range.start() -> export_range.end_frame()
 353         }
 354         if (range) {
 355                 insnd_combo.set_active(2);
 356         } else {
 357                 insnd_combo.set_active(0);
 358         }
 359
 360         preset_combo.set_active(0);
 361         audio_codec_combo.set_active(0);
 362         video_codec_combo.set_active(0);
 363         audio_bitrate_combo.set_active(0);
 364         audio_samplerate_combo.set_active(2);
 365         video_bitrate_combo.set_active(0);
 366         aspect_combo.set_active(1);
 367
 368         scale_checkbox.set_active(false);
 369         scale_aspect.set_active(true);
 370         aspect_checkbox.set_active(false);
 371         normalize_checkbox.set_active(false);
 372         twopass_checkbox.set_active(false);
 373         optimizations_checkbox.set_active(false);
 374         deinterlace_checkbox.set_active(false);
 375         bframes_checkbox.set_active(false);
 376         fps_checkbox.set_active(false);
 377         meta_checkbox.set_active(false);
 378
 379         float tcfps = _session->timecode_frames_per_second();
 380
 381         LocaleGuard lg (X_("C"));
 382
 383         XMLNode* node = _session->extra_xml (X_("Videotimeline"));
 384         bool filenameset = false;
 385         if (node) {
 386                 if (node->property(X_("OriginalVideoFile"))) {
 387                         std::string filename = node->property(X_("OriginalVideoFile"))->value();
 388                         if (Glib::file_test(filename, Glib::FILE_TEST_EXISTS)) {
 389                                 invid_path_entry.set_text (filename);
 390                                 filenameset = true;
 391                         }
 392                 }
 393                 if (!filenameset
 394                                 && node->property(X_("Filename"))
 395                                 && node->property(X_("LocalFile"))
 396                                 && node->property(X_("LocalFile"))->value() == X_("1")
 397                    )
 398                 {
 399                         std::string filename = node->property(X_("Filename"))->value();
 400                         if (filename.at(0) != G_DIR_SEPARATOR)
 401                         {
 402                                 filename = Glib::build_filename (_session->session_directory().video_path(), filename);
 403                         }
 404                         if (Glib::file_test(filename, Glib::FILE_TEST_EXISTS))
 405                         {
 406                                 invid_path_entry.set_text (filename);
 407                                 filenameset = true;
 408                         }
 409                 }
 410         }
 411         if (!filenameset) {
 412                 invid_path_entry.set_text (X_(""));
 413         }
 414
 415         node = _session->extra_xml (X_("Videoexport"));
 416         if (node) {
 417                 const XMLProperty* prop;
 418                 prop = node->property (X_("ChangeGeometry"));
 419                 if (prop) { scale_checkbox.set_active(atoi(prop->value())?true:false); }
 420                 prop = node->property (X_("KeepAspect"));
 421                 if (prop) { scale_aspect.set_active(atoi(prop->value())?true:false); }
 422                 prop = node->property (X_("ChangeAspect"));
 423                 if (prop) { aspect_checkbox.set_active(atoi(prop->value())?true:false); }
 424                 prop = node->property (X_("NormalizeAudio"));
 425                 if (prop) { normalize_checkbox.set_active(atoi(prop->value())?true:false); }
 426                 prop = node->property (X_("TwoPassEncode"));
 427                 if (prop) { twopass_checkbox.set_active(atoi(prop->value())?true:false); }
 428                 prop = node->property (X_("CodecOptimzations"));
 429                 if (prop) { optimizations_checkbox.set_active(atoi(prop->value())?true:false); }
 430                 prop = node->property (X_("Deinterlace"));
 431                 if (prop) { deinterlace_checkbox.set_active(atoi(prop->value())?true:false); }
 432                 prop = node->property (X_("BFrames"));
 433                 if (prop) { bframes_checkbox.set_active(atoi(prop->value())?true:false); }
 434                 prop = node->property (X_("ChangeFPS"));
 435                 if (prop) { fps_checkbox.set_active(atoi(prop->value())?true:false); }
 436                 prop = node->property (X_("Metadata"));
 437                 if (prop) { meta_checkbox.set_active(atoi(prop->value())?true:false); }
 438
 439                 prop = node->property (X_("Format"));
 440                 if (prop && !prop->value().empty()) { change_file_extension( "." + prop->value()); }
 441
 442                 _suspend_signals = true;
 443                 prop = node->property (X_("Width"));
 444                 if (prop) { width_spinner.set_value(atoi(prop->value())); }
 445                 prop = node->property (X_("Height"));
 446                 if (prop) { height_spinner.set_value(atoi(prop->value())); }
 447                 _suspend_signals = false;
 448
 449                 prop = node->property (X_("FPS"));
 450                 if (prop && fps_checkbox.get_active()) { tcfps = atof(prop->value()); }
 451
 452                 prop = node->property (X_("Preset"));
 453                 if (prop) { preset_combo.set_active_text(prop->value()); }
 454                 prop = node->property (X_("VCodec"));
 455                 if (prop) { video_codec_combo.set_active_text(prop->value()); }
 456                 prop = node->property (X_("ACodec"));
 457                 if (prop) { audio_codec_combo.set_active_text(prop->value()); }
 458                 prop = node->property (X_("VBitrate"));
 459                 if (prop) { video_bitrate_combo.set_active_text(prop->value()); }
 460                 prop = node->property (X_("ABitrate"));
 461                 if (prop) { audio_bitrate_combo.set_active_text(prop->value()); }
 462                 prop = node->property (X_("AspectRatio"));
 463                 if (prop) { aspect_combo.set_active_text(prop->value()); }
 464                 prop = node->property (X_("SampleRate"));
 465                 if (prop) { audio_samplerate_combo.set_active_text(prop->value()); }
 466         }
 467
 468         if      (fabs(tcfps - 23.976) < 0.01) { fps_combo.set_active(0); }
 469         else if (fabs(tcfps - 24.0  ) < 0.01) { fps_combo.set_active(1); }
 470         else if (fabs(tcfps - 24.976) < 0.01) { fps_combo.set_active(2); }
 471         else if (fabs(tcfps - 25.0  ) < 0.01) { fps_combo.set_active(3); }
 472         else if (fabs(tcfps - 29.97 ) < 0.01) { fps_combo.set_active(4); }
 473         else if (fabs(tcfps - 30.0  ) < 0.01) { fps_combo.set_active(5); }
 474         else if (fabs(tcfps - 59.94 ) < 0.01) { fps_combo.set_active(6); }
 475         else if (fabs(tcfps - 60.0  ) < 0.01) { fps_combo.set_active(7); }
 476         else { fps_combo.set_active(5); }
 477
 478         set_original_file_information();
 479
 480         /* update sensitivity */
 481         scale_checkbox_toggled();
 482         aspect_checkbox_toggled();
 483         fps_checkbox_toggled();
 484         video_codec_combo_changed();
 485
 486         _suspend_dirty = false;
 487
 488         show_all_children ();
 489         progress_box->hide();
 490 }
 491
 492 XMLNode&
 493 ExportVideoDialog::get_state ()
 494 {
 495         LocaleGuard lg (X_("C"));
 496         XMLNode* node = new XMLNode (X_("Videoexport"));
 497         node->add_property (X_("ChangeGeometry"), scale_checkbox.get_active() ? X_("1") : X_("0"));
 498         node->add_property (X_("KeepAspect"), scale_aspect.get_active() ? X_("1") : X_("0"));
 499         node->add_property (X_("ChangeAspect"), aspect_checkbox.get_active() ? X_("1") : X_("0"));
 500         node->add_property (X_("NormalizeAudio"), normalize_checkbox.get_active() ? X_("1") : X_("0"));
 501         node->add_property (X_("TwoPassEncode"), twopass_checkbox.get_active() ? X_("1") : X_("0"));
 502         node->add_property (X_("CodecOptimzations"), optimizations_checkbox.get_active() ? X_("1") : X_("0"));
 503         node->add_property (X_("Deinterlace"), deinterlace_checkbox.get_active() ? X_("1") : X_("0"));
 504         node->add_property (X_("BFrames"), bframes_checkbox.get_active() ? X_("1") : X_("0"));
 505         node->add_property (X_("ChangeFPS"), fps_checkbox.get_active() ? X_("1") : X_("0"));
 506         node->add_property (X_("Metadata"), meta_checkbox.get_active() ? X_("1") : X_("0"));
 507
 508         node->add_property (X_("Format"), get_file_extension(outfn_path_entry.get_text()));
 509
 510         node->add_property (X_("Width"), width_spinner.get_value());
 511         node->add_property (X_("Height"), height_spinner.get_value());
 512
 513         node->add_property (X_("Preset"), preset_combo.get_active_text());
 514         node->add_property (X_("VCodec"), video_codec_combo.get_active_text());
 515         node->add_property (X_("ACodec"), audio_codec_combo.get_active_text());
 516         node->add_property (X_("VBitrate"), video_bitrate_combo.get_active_text());
 517         node->add_property (X_("ABitrate"), audio_bitrate_combo.get_active_text());
 518         node->add_property (X_("AspectRatio"), aspect_combo.get_active_text());
 519         node->add_property (X_("SampleRate"), audio_samplerate_combo.get_active_text());
 520         node->add_property (X_("FPS"), fps_combo.get_active_text());
 521
 522         return *node;
 523 }
 524
 525 void
 526 ExportVideoDialog::set_state (const XMLNode &)
 527 {
 528 }
 529
 530 void
 531 ExportVideoDialog::on_show ()
 532 {
 533         Dialog::on_show ();
 534 }
 535
 536 bool
 537 ExportVideoDialog::on_focus_in_event (GdkEventFocus *ev)
 538 {
 539         Dialog::on_focus_in_event (ev);
 540         Gtkmm2ext::Keyboard::magic_widget_grab_focus ();
 541         return true;
 542 }
 543
 544 bool
 545 ExportVideoDialog::on_focus_out_event (GdkEventFocus *ev)
 546 {
 547         Dialog::on_focus_out_event (ev);
 548         Gtkmm2ext::Keyboard::magic_widget_drop_focus ();
 549         return true;
 550 }
 551
 552 void
 553 ExportVideoDialog::abort_clicked ()
 554 {
 555         _aborted = true;
 556         if (_transcoder) {
 557                 _transcoder->cancel();
 558         }
 559 }
 560
 561 void
 562 ExportVideoDialog::update_progress (framecnt_t c, framecnt_t a)
 563 {
 564         if (a == 0 || c > a) {
 565                 pbar.set_pulse_step(.1);
 566                 pbar.pulse();
 567         } else {
 568                 double progress = (double)c / (double) a;
 569                 progress = progress / ((_twopass ? 2.0 : 1.0) + (_normalize ? 2.0 : 1.0));
 570                 if (_normalize && _twopass) progress += (_firstpass ? .5 : .75);
 571                 else if (_normalize) progress += 2.0/3.0;
 572                 else if (_twopass) progress += (_firstpass ? 1.0/3.0 : 2.0/3.0);
 573                 else progress += .5;
 574
 575                 pbar.set_fraction (progress);
 576         }
 577 }
 578
 579
 580 gint
 581 ExportVideoDialog::audio_progress_display ()
 582 {
 583         std::string status_text;
 584         double progress = 0.0;
 585                 if (status->normalizing) {
 586                         pbar.set_text (_("Normalizing audio"));
 587                         progress = ((float) status->current_normalize_cycle) / status->total_normalize_cycles;
 588                         progress = progress / (_twopass ? 4.0 : 3.0) + (_twopass ? .25 : 1.0/3.0);
 589                 } else {
 590                         pbar.set_text (_("Exporting audio"));
 591                         progress = ((float) status->processed_frames_current_timespan) / status->total_frames_current_timespan;
 592                         progress = progress / ((_twopass ? 2.0 : 1.0) + (_normalize ? 2.0 : 1.0));
 593                 }
 594                 if (progress < _previous_progress) {
 595                         // Work around gtk bug
 596                         pbar.hide();
 597                         pbar.show();
 598                 }
 599                 _previous_progress = progress;
 600                 pbar.set_fraction (progress);
 601         return TRUE;
 602 }
 603
 604 void
 605 ExportVideoDialog::finished ()
 606 {
 607         if (_aborted) {
 608                 ::g_unlink(outfn_path_entry.get_text().c_str());
 609                 ::g_unlink (_insnd.c_str());
 610                 delete _transcoder; _transcoder = 0;
 611                 Gtk::Dialog::response(RESPONSE_CANCEL);
 612         } else if (_twopass && _firstpass) {
 613                 _firstpass = false;
 614                 if (_transcoder) { delete _transcoder; _transcoder = 0;}
 615                 encode_pass(2);
 616         } else {
 617                 if (twopass_checkbox.get_active()) {
 618                         std::string outfn = outfn_path_entry.get_text();
 619                         std::string p2log = Glib::path_get_dirname (outfn) + G_DIR_SEPARATOR + "ffmpeg2pass";
 620                         ::g_unlink (p2log.c_str());
 621                 }
 622                 ::g_unlink (_insnd.c_str());
 623                 delete _transcoder; _transcoder = 0;
 624                 Gtk::Dialog::response(RESPONSE_ACCEPT);
 625         }
 626 }
 627
 628 void
 629 ExportVideoDialog::launch_export ()
 630 {
 631         /* remember current settings.
 632          * needed because apply_state() acts on both:
 633          * "Videotimeline" and "Video Export" extra XML
 634          * as well as current _session settings
 635          */
 636         _session->add_extra_xml (get_state());
 637
 638         std::string outfn = outfn_path_entry.get_text();
 639         if (!confirm_video_outfn(outfn)) { return; }
 640
 641         vbox->hide();
 642         cancel_button->hide();
 643         transcode_button.hide();
 644         pbar.set_size_request(300,-1);
 645         pbar.set_text(_("Exporting Audio..."));
 646         progress_box->show();
 647         _aborted = false;
 648         _twopass = twopass_checkbox.get_active();
 649         _firstpass = true;
 650         _normalize = normalize_checkbox.get_active();
 651
 652         /* export audio track */
 653         ExportTimespanPtr tsp = _session->get_export_handler()->add_timespan();
 654         boost::shared_ptr<ExportChannelConfiguration> ccp = _session->get_export_handler()->add_channel_config();
 655         boost::shared_ptr<ARDOUR::ExportFilename> fnp = _session->get_export_handler()->add_filename();
 656         boost::shared_ptr<AudioGrapher::BroadcastInfo> b;
 657         XMLTree tree;
 658         std::string vtl_samplerate = audio_samplerate_combo.get_active_text();
 659         std::string vtl_normalize = _normalize ? "true" : "false";
 660         tree.read_buffer(std::string(
 661 "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
 662 "<ExportFormatSpecification name=\"VTL-WAV-16\" id=\"3094591e-ccb9-4385-a93f-c9955ffeb1f0\">"
 663 "  <Encoding id=\"F_WAV\" type=\"T_Sndfile\" extension=\"wav\" name=\"WAV\" has-sample-format=\"true\" channel-limit=\"256\"/>"
 664 "  <SampleRate rate=\""+ vtl_samplerate +"\"/>"
 665 "  <SRCQuality quality=\"SRC_SincBest\"/>"
 666 "  <EncodingOptions>"
 667 "    <Option name=\"sample-format\" value=\"SF_16\"/>"
 668 "    <Option name=\"dithering\" value=\"D_None\"/>"
 669 "    <Option name=\"tag-metadata\" value=\"true\"/>"
 670 "    <Option name=\"tag-support\" value=\"false\"/>"
 671 "    <Option name=\"broadcast-info\" value=\"false\"/>"
 672 "  </EncodingOptions>"
 673 "  <Processing>"
 674 "    <Normalize enabled=\""+ vtl_normalize +"\" target=\"0\"/>"
 675 "    <Silence>"
 676 "      <Start>"
 677 "        <Trim enabled=\"false\"/>"
 678 "        <Add enabled=\"false\">"
 679 "          <Duration format=\"Timecode\" hours=\"0\" minutes=\"0\" seconds=\"0\" frames=\"0\"/>"
 680 "        </Add>"
 681 "      </Start>"
 682 "      <End>"
 683 "        <Trim enabled=\"false\"/>"
 684 "        <Add enabled=\"false\">"
 685 "          <Duration format=\"Timecode\" hours=\"0\" minutes=\"0\" seconds=\"0\" frames=\"0\"/>"
 686 "        </Add>"
 687 "      </End>"
 688 "    </Silence>"
 689 "  </Processing>"
 690 "</ExportFormatSpecification>"
 691 ));
 692         boost::shared_ptr<ExportFormatSpecification> fmp = _session->get_export_handler()->add_format(*tree.root());
 693
 694         /* set up range */
 695         framepos_t start, end;
 696         start = end = 0;
 697         if (insnd_combo.get_active_row_number() == 1) {
 698                 _transcoder = new TranscodeFfmpeg(invid_path_entry.get_text());
 699                 if (_transcoder->probe_ok() && _transcoder->get_fps() > 0) {
 700                         end = _transcoder->get_duration() * _session->nominal_frame_rate() / _transcoder->get_fps();
 701                 } else {
 702                         warning << _("Export Video: Cannot query duration of video-file, using duration from timeline instead.") << endmsg;
 703                         end = ARDOUR_UI::instance()->video_timeline->get_duration();
 704                 }
 705                 if (_transcoder) {delete _transcoder; _transcoder = 0;}
 706
 707                 frameoffset_t av_offset = ARDOUR_UI::instance()->video_timeline->get_offset();
 708 #if 0 /* DEBUG */
 709                 printf("audio-range -- AV offset: %lld\n", av_offset);
 710 #endif
 711                 if (av_offset > 0) {
 712                         start = av_offset;
 713                 }
 714                 end += av_offset;
 715         }
 716         else if (insnd_combo.get_active_row_number() == 2) {
 717                 start = ARDOUR_UI::instance()->video_timeline->quantify_frames_to_apv(export_range.start());
 718                 end   = ARDOUR_UI::instance()->video_timeline->quantify_frames_to_apv(export_range.end_frame());
 719         }
 720         if (end <= 0) {
 721                 start = _session->current_start_frame();
 722                 end   = _session->current_end_frame();
 723         }
 724 #if 0 /* DEBUG */
 725         printf("audio export-range %lld -> %lld\n", start, end);
 726 #endif
 727
 728         const frameoffset_t vstart = ARDOUR_UI::instance()->video_timeline->get_offset();
 729         const frameoffset_t vend   = vstart + ARDOUR_UI::instance()->video_timeline->get_duration();
 730
 731         if ( (start >= end) || (end < vstart) || (start > vend)) {
 732                 warning << _("Export Video: export-range does not include video.") << endmsg;
 733                 delete _transcoder; _transcoder = 0;
 734                 Gtk::Dialog::response(RESPONSE_CANCEL);
 735                 return;
 736         }
 737
 738         tsp->set_range (start, end);
 739         tsp->set_name ("mysession");
 740         tsp->set_range_id ("session");
 741
 742         /* add master outs as default */
 743         IO* master_out = _session->master_out()->output().get();
 744         if (!master_out) {
 745                 warning << _("Export Video: No Master Out Ports to Connect for Audio Export") << endmsg;
 746                 delete _transcoder; _transcoder = 0;
 747                 Gtk::Dialog::response(RESPONSE_CANCEL);
 748                 return;
 749         }
 750         for (uint32_t n = 0; n < master_out->n_ports().n_audio(); ++n) {
 751                 PortExportChannel * channel = new PortExportChannel ();
 752                 channel->add_port (master_out->audio (n));
 753                 ExportChannelPtr chan_ptr (channel);
 754                 ccp->register_channel (chan_ptr);
 755         }
 756
 757         /* outfile */
 758         fnp->set_timespan(tsp);
 759         fnp->set_label("vtl");
 760         fnp->include_label = true;
 761         _insnd = fnp->get_path(fmp);
 762
 763         /* do sound export */
 764         fmp->set_soundcloud_upload(false);
 765         _session->get_export_handler()->add_export_config (tsp, ccp, fmp, fnp, b);
 766         _session->get_export_handler()->do_export();
 767         status = _session->get_export_status ();
 768
 769         audio_progress_connection = Glib::signal_timeout().connect (sigc::mem_fun(*this, &ExportVideoDialog::audio_progress_display), 100);
 770         _previous_progress = 0.0;
 771         while (status->running) {
 772                 if (_aborted) { status->abort(); }
 773                 if (gtk_events_pending()) {
 774                         gtk_main_iteration ();
 775                 } else {
 776                         Glib::usleep (10000);
 777                 }
 778         }
 779         audio_progress_connection.disconnect();
 780         status->finish ();
 781         if (status->aborted()) {
 782                 ::g_unlink (_insnd.c_str());
 783                 delete _transcoder; _transcoder = 0;
 784                 Gtk::Dialog::response(RESPONSE_CANCEL);
 785                 return;
 786         }
 787         pbar.set_text (_("Encoding Video..."));
 788         encode_pass(1);
 789 }
 790
 791 void
 792 ExportVideoDialog::encode_pass (int pass)
 793 {
 794         std::string outfn = outfn_path_entry.get_text();
 795         std::string invid = invid_path_entry.get_text();
 796
 797         _transcoder = new TranscodeFfmpeg(invid);
 798         if (!_transcoder->ffexec_ok()) {
 799                 /* ffmpeg binary was not found. TranscodeFfmpeg prints a warning */
 800                 ::g_unlink (_insnd.c_str());
 801                 delete _transcoder; _transcoder = 0;
 802                 Gtk::Dialog::response(RESPONSE_CANCEL);
 803                 return;
 804         }
 805         if (!_transcoder->probe_ok()) {
 806                 /* video input file can not be read */
 807                 warning << _("Export Video: Video input file cannot be read.") << endmsg;
 808                 ::g_unlink (_insnd.c_str());
 809                 delete _transcoder; _transcoder = 0;
 810                 Gtk::Dialog::response(RESPONSE_CANCEL);
 811                 return;
 812         }
 813
 814         std::string preset = preset_combo.get_active_text();
 815         TranscodeFfmpeg::FFSettings ffs ; /* = transcoder->default_encoder_settings(); */
 816         ffs.clear();
 817
 818         if (fps_checkbox.get_active()) {
 819                 ffs["-r"] = fps_combo.get_active_text();
 820                 _transcoder->set_fps(atof(fps_combo.get_active_text()));
 821         }
 822
 823         if (scale_checkbox.get_active()) {
 824                 ffs["-s"] = string_compose("%1x%2", width_spinner.get_value(), height_spinner.get_value());
 825         }
 826
 827         if (video_codec_combo.get_active_text() != _("(default for format)")) {
 828                 ffs["-vcodec"] = video_codec_combo.get_active_text();
 829         }
 830         if (audio_codec_combo.get_active_text() != _("(default for format)")) {
 831                 ffs["-acodec"] = audio_codec_combo.get_active_text();
 832         }
 833
 834         if (video_bitrate_combo.get_active_text() == _("(default)") ) {
 835                 ;
 836         }
 837         else if (video_bitrate_combo.get_active_text() == _("(retain)") ) {
 838                 ffs["-qscale"]  = "0";
 839         } else {
 840                 ffs["-b:v"]  = video_bitrate_combo.get_active_text();
 841         }
 842
 843         if (audio_bitrate_combo.get_active_text() != _("(default)") ) {
 844                 ffs["-b:a"] = audio_bitrate_combo.get_active_text();
 845         }
 846
 847         if (audio_codec_combo.get_active_text() == "aac" ) {
 848                 ffs["-strict"] = "-2";
 849         }
 850
 851         if (video_codec_combo.get_active_text() == "h264" ) {
 852                 ffs["-vcodec"] = "libx264";
 853         }
 854         else if (video_codec_combo.get_active_text() == "vpx (webm)" ) {
 855                 ffs["-vcodec"] = "libvpx";
 856                 ffs["-g"] = "120";
 857                 ffs["-qmin"] = "11";
 858                 ffs["-qmax"] = "51";
 859         }
 860
 861         if (optimizations_checkbox.get_active()) {
 862           if (video_codec_combo.get_active_text() == "mpeg2video") {
 863                         ffs["-mbd"] = "rd";
 864                         ffs["-trellis"] = "2";
 865                         ffs["-cmp"] = "2";
 866                         ffs["-subcmp"] = "2";
 867                 }
 868                 else if (video_codec_combo.get_active_text() == "mpeg4") {
 869                         ffs["-mbd"] = "rd";
 870                         ffs["-flags"] = "+mv4+aic";
 871                         ffs["-trellis"] = "2";
 872                         ffs["-cmp"] = "2";
 873                         ffs["-subcmp"] = "2";
 874                         ffs["-g"] = "300";
 875                 }
 876                 else if (video_codec_combo.get_active_text() == "flv") {
 877                         ffs["-mbd"] = "2";
 878                         ffs["-cmp"] = "2";
 879                         ffs["-subcmp"] = "2";
 880                         ffs["-trellis"] = "2";
 881                         ffs["-flags"] = "+aic+mv0+mv4";
 882                         ffs["-g"] = "160";
 883                 }
 884         }
 885
 886         if (bframes_checkbox.get_active() && (
 887                    video_codec_combo.get_active_text() == "mpeg2video"
 888                 || video_codec_combo.get_active_text() == "mpeg4"
 889                 )) {
 890                 ffs["-bf"] = "2";
 891         }
 892
 893         if (preset == "dvd-PAL") {
 894                 ffs.clear(); /* ignore all prev settings */
 895                 ffs["-target"] = "pal-dvd";
 896                 ffs["-aspect"] = "4:3"; /* required for DVD - may be overridden below */
 897         }
 898         else if (preset == "dvd-NTSC") {
 899                 ffs.clear(); /* ignore all prev settings */
 900                 ffs["-target"] = "ntsc-dvd";
 901                 ffs["-aspect"] = "4:3"; /* required for DVD - may be overridden below */
 902         }
 903
 904         if (aspect_checkbox.get_active()) {
 905                 ffs["-aspect"] = aspect_combo.get_active_text();
 906         }
 907         if (deinterlace_checkbox.get_active()) {
 908                 ffs["-deinterlace"] = "-y"; // we use '-y' as dummy parameter for non key/value options
 909         }
 910
 911         bool map = true;
 912         if (pass == 1 && _twopass) {
 913                 pbar.set_text (_("Encoding Video.. Pass 1/2"));
 914                 map = false;
 915                 ffs["-pass"] = "1";
 916                 ffs["-an"] = "-y";
 917                 ffs["-passlogfile"] =  Glib::path_get_dirname (outfn) + G_DIR_SEPARATOR + "ffmpeg2pass";
 918                 ffs["-f"] = get_file_extension(invid).empty()?"mov":get_file_extension(invid);
 919 #ifdef PLATFORM_WINDOWS
 920                 outfn = "NUL";
 921 #else
 922                 outfn = "/dev/null";
 923 #endif
 924         } else if (pass == 2) {
 925                 pbar.set_text (_("Encoding Video.. Pass 2/2"));
 926                 ffs["-pass"] = "2";
 927                 ffs["-passlogfile"] =  Glib::path_get_dirname (outfn) + G_DIR_SEPARATOR + "ffmpeg2pass";
 928         }
 929
 930         frameoffset_t av_offset = ARDOUR_UI::instance()->video_timeline->get_offset();
 931         double duration_s  = 0;
 932
 933         if (insnd_combo.get_active_row_number() == 0) {
 934                 /* session start to session end */
 935                 framecnt_t duration_f = _session->current_end_frame() - _session->current_start_frame();
 936                 duration_s = (double)duration_f / (double)_session->nominal_frame_rate();
 937         } else if (insnd_combo.get_active_row_number() == 2) {
 938                 /* selected range */
 939                 duration_s = export_range.length() / (double)_session->nominal_frame_rate();
 940         } else {
 941                 /* video start to end */
 942                 framecnt_t duration_f = ARDOUR_UI::instance()->video_timeline->get_duration();
 943                 if (av_offset < 0 ) {
 944                         duration_f += av_offset;
 945                 }
 946                 duration_s = (double)duration_f / (double)_session->nominal_frame_rate();
 947         }
 948
 949         std::ostringstream osstream; osstream << duration_s;
 950         ffs["-t"] = osstream.str();
 951         _transcoder->set_duration(duration_s * _transcoder->get_fps());
 952
 953         if (insnd_combo.get_active_row_number() == 0 || insnd_combo.get_active_row_number() == 2) {
 954                 framepos_t start, snend;
 955                 const frameoffset_t vid_duration = ARDOUR_UI::instance()->video_timeline->get_duration();
 956                 if (insnd_combo.get_active_row_number() == 0) {
 957                         start = _session->current_start_frame();
 958                         snend = _session->current_end_frame();
 959                 } else {
 960                         start = export_range.start();
 961                         snend = export_range.end_frame();
 962                 }
 963
 964 #if 0 /* DEBUG */
 965                 printf("AV offset: %lld Vid-len: %lld Vid-end: %lld || start:%lld || end:%lld\n",
 966                                 av_offset, vid_duration, av_offset+vid_duration, start, snend); // XXX
 967 #endif
 968
 969                 if (av_offset > start && av_offset + vid_duration < snend) {
 970                         _transcoder->set_leadinout((av_offset - start) / (double)_session->nominal_frame_rate(),
 971                                 (snend - (av_offset + vid_duration)) / (double)_session->nominal_frame_rate());
 972                 } else if (av_offset > start) {
 973                         _transcoder->set_leadinout((av_offset - start) / (double)_session->nominal_frame_rate(), 0);
 974                 } else if (av_offset + vid_duration < snend) {
 975                         _transcoder->set_leadinout(0, (snend - (av_offset + vid_duration)) / (double)_session->nominal_frame_rate());
 976                         _transcoder->set_avoffset((av_offset - start) / (double)_session->nominal_frame_rate());
 977                 }
 978 #if 0
 979                 else if (start > av_offset) {
 980                         std::ostringstream osstream; osstream << ((start - av_offset) / (double)_session->nominal_frame_rate());
 981                         ffs["-ss"] = osstream.str();
 982                 }
 983 #endif
 984                 else {
 985                         _transcoder->set_avoffset((av_offset - start) / (double)_session->nominal_frame_rate());
 986                 }
 987
 988         } else if (av_offset < 0) {
 989                 /* from 00:00:00:00 to video-end */
 990                 _transcoder->set_avoffset(av_offset / (double)_session->nominal_frame_rate());
 991         }
 992
 993         TranscodeFfmpeg::FFSettings meta = _transcoder->default_meta_data();
 994         if (meta_checkbox.get_active()) {
 995                 ARDOUR::SessionMetadata * session_data = ARDOUR::SessionMetadata::Metadata();
 996                 if (session_data->year() > 0 ) {
 997                         std::ostringstream osstream; osstream << session_data->year();
 998                         meta["year"] = osstream.str();
 999                 }
1000                 if (session_data->track_number() > 0 ) {
1001                         std::ostringstream osstream; osstream << session_data->track_number();
1002                         meta["track"] = osstream.str();
1003                 }
1004                 if (session_data->disc_number() > 0 ) {
1005                         std::ostringstream osstream; osstream << session_data->disc_number();
1006                         meta["disc"] = osstream.str();
1007                 }
1008                 if (!session_data->title().empty())     {meta["title"] = session_data->title();}
1009                 if (!session_data->artist().empty())    {meta["author"] = session_data->artist();}
1010                 if (!session_data->album_artist().empty()) {meta["album_artist"] = session_data->album_artist();}
1011                 if (!session_data->album().empty())     {meta["album"] = session_data->album();}
1012                 if (!session_data->genre().empty())     {meta["genre"] = session_data->genre();}
1013                 if (!session_data->composer().empty())  {meta["composer"] = session_data->composer();}
1014                 if (!session_data->comment().empty())   {meta["comment"] = session_data->comment();}
1015                 if (!session_data->copyright().empty()) {meta["copyright"] = session_data->copyright();}
1016                 if (!session_data->subtitle().empty())  {meta["description"] = session_data->subtitle();}
1017         }
1018
1019 #if 1 /* tentative debug mode */
1020         if (debug_checkbox.get_active()) {
1021                 _transcoder->set_debug(true);
1022         }
1023 #endif
1024
1025         _transcoder->Progress.connect(*this, invalidator (*this), boost::bind (&ExportVideoDialog::update_progress , this, _1, _2), gui_context());
1026         _transcoder->Finished.connect(*this, invalidator (*this), boost::bind (&ExportVideoDialog::finished, this), gui_context());
1027         if (!_transcoder->encode(outfn, _insnd, invid, ffs, meta, map)) {
1028                 ARDOUR_UI::instance()->popup_error(_("Transcoding failed."));
1029                 delete _transcoder; _transcoder = 0;
1030                 Gtk::Dialog::response(RESPONSE_CANCEL);
1031                 return;
1032         }
1033 }
1034
1035 void
1036 ExportVideoDialog::change_file_extension (std::string ext)
1037 {
1038         if (ext == "") return;
1039         outfn_path_entry.set_text (
1040                 strip_file_extension(outfn_path_entry.get_text()) + ext
1041         );
1042 }
1043
1044 void
1045 ExportVideoDialog::width_value_changed ()
1046 {
1047         if (_suspend_signals) {
1048                 return;
1049         }
1050         if (_session && !_suspend_dirty) _session->set_dirty ();
1051         if (!scale_checkbox.get_active() || !scale_aspect.get_active()) {
1052                 return;
1053         }
1054         if (_video_source_aspect_ratio <= 0) {
1055                 return;
1056         }
1057         _suspend_signals = true;
1058         height_spinner.set_value(rintf(width_spinner.get_value() / _video_source_aspect_ratio));
1059         _suspend_signals = false;
1060 }
1061
1062 void
1063 ExportVideoDialog::height_value_changed ()
1064 {
1065         if (_suspend_signals) {
1066                 return;
1067         }
1068         if (_session && !_suspend_dirty) _session->set_dirty ();
1069         if (!scale_checkbox.get_active() || !scale_aspect.get_active()) {
1070                 return;
1071         }
1072         if (_video_source_aspect_ratio <= 0) {
1073                 return;
1074         }
1075         _suspend_signals = true;
1076         width_spinner.set_value(rintf(height_spinner.get_value() * _video_source_aspect_ratio));
1077         _suspend_signals = false;
1078 }
1079
1080 void
1081 ExportVideoDialog::scale_checkbox_toggled ()
1082 {
1083         scale_aspect.set_sensitive(scale_checkbox.get_active());
1084         width_spinner.set_sensitive(scale_checkbox.get_active());
1085         height_spinner.set_sensitive(scale_checkbox.get_active());
1086         if (_session && !_suspend_dirty) _session->set_dirty ();
1087 }
1088
1089 void
1090 ExportVideoDialog::fps_checkbox_toggled ()
1091 {
1092         fps_combo.set_sensitive(fps_checkbox.get_active());
1093         if (_session && !_suspend_dirty) _session->set_dirty ();
1094 }
1095
1096 void
1097 ExportVideoDialog::aspect_checkbox_toggled ()
1098 {
1099         aspect_combo.set_sensitive(aspect_checkbox.get_active());
1100         if (_session && !_suspend_dirty) _session->set_dirty ();
1101 }
1102
1103 void
1104 ExportVideoDialog::video_codec_combo_changed ()
1105 {
1106         if ((  video_codec_combo.get_active_text() == "mpeg4"
1107              ||video_codec_combo.get_active_text() == "mpeg2video"
1108                         ) && !(
1109                preset_combo.get_active_text() == "dvd-PAL"
1110              ||preset_combo.get_active_text() == "dvd-NTSC"
1111            )) {
1112                 bframes_checkbox.set_sensitive(true);
1113                 optimizations_checkbox.set_sensitive(true);
1114                 if (video_codec_combo.get_active_text() == "mpeg2video") {
1115                         optimizations_label.set_text("-mbd rd -trellis 2 -cmp 2 -subcmp 2"); // mpeg2
1116                 } else if (video_codec_combo.get_active_text() == "mpeg4") {
1117                         optimizations_label.set_text("-mbd rd -flags +mv4+aic -trellis 2 -cmp 2 -subcmp 2 -g 300"); // mpeg4
1118                 } else {
1119                         optimizations_label.set_text("-mbd 2 -cmp 2 -subcmp 2 -trellis 2 -flags +aic+mv0+mv4 -g 160"); // flv
1120                 }
1121         } else {
1122                 bframes_checkbox.set_sensitive(false);
1123                 bframes_checkbox.set_active(false);
1124                 optimizations_checkbox.set_sensitive(false);
1125                 optimizations_checkbox.set_active(false);
1126                 optimizations_label.set_text("-");
1127         }
1128         if (_session && !_suspend_dirty) _session->set_dirty ();
1129 }
1130
1131 void
1132 ExportVideoDialog::preset_combo_changed ()
1133 {
1134         std::string p = preset_combo.get_active_text();
1135         scale_checkbox.set_sensitive(true);
1136
1137         if (p == "flv") {
1138                 change_file_extension(".flv");
1139                 audio_codec_combo.set_active(2);
1140                 video_codec_combo.set_active(1);
1141                 audio_bitrate_combo.set_active(2);
1142                 video_bitrate_combo.set_active(3);
1143                 audio_samplerate_combo.set_active(1);
1144         }
1145         else if (p == "you-tube") {
1146                 change_file_extension(".avi");
1147                 audio_codec_combo.set_active(3);
1148                 video_codec_combo.set_active(6);
1149                 audio_bitrate_combo.set_active(2);
1150                 video_bitrate_combo.set_active(4);
1151                 if (_session->nominal_frame_rate() == 48000 || _session->nominal_frame_rate() == 96000) {
1152                         audio_samplerate_combo.set_active(2);
1153                 } else {
1154                         audio_samplerate_combo.set_active(1);
1155                 }
1156         }
1157         else if (p == "ogg") {
1158                 change_file_extension(".ogv");
1159                 audio_codec_combo.set_active(4);
1160                 video_codec_combo.set_active(2);
1161                 audio_bitrate_combo.set_active(3);
1162                 video_bitrate_combo.set_active(4);
1163                 if (_session->nominal_frame_rate() == 48000 || _session->nominal_frame_rate() == 96000) {
1164                         audio_samplerate_combo.set_active(2);
1165                 } else {
1166                         audio_samplerate_combo.set_active(1);
1167                 }
1168         }
1169         else if (p == "webm") {
1170                 change_file_extension(".webm");
1171                 audio_codec_combo.set_active(4);
1172                 video_codec_combo.set_active(7);
1173                 audio_bitrate_combo.set_active(3);
1174                 video_bitrate_combo.set_active(4);
1175                 if (_session->nominal_frame_rate() == 48000 || _session->nominal_frame_rate() == 96000) {
1176                         audio_samplerate_combo.set_active(2);
1177                 } else {
1178                         audio_samplerate_combo.set_active(1);
1179                 }
1180         }
1181         else if (p == "dvd-mp2") {
1182                 change_file_extension(".mpg");
1183                 audio_codec_combo.set_active(5);
1184                 video_codec_combo.set_active(4);
1185                 audio_bitrate_combo.set_active(4);
1186                 video_bitrate_combo.set_active(5);
1187                 audio_samplerate_combo.set_active(2);
1188         }
1189         else if (p == "dvd-NTSC" || p == "dvd-PAL") {
1190                 change_file_extension(".mpg");
1191                 audio_codec_combo.set_active(6);
1192                 video_codec_combo.set_active(4);
1193                 audio_bitrate_combo.set_active(4);
1194                 video_bitrate_combo.set_active(5);
1195                 audio_samplerate_combo.set_active(2);
1196
1197                 scale_checkbox.set_active(false);
1198                 scale_checkbox.set_sensitive(false);
1199         }
1200         else if (p == "mpeg4") {
1201                 change_file_extension(".mp4");
1202                 audio_codec_combo.set_active(1);
1203                 video_codec_combo.set_active(5);
1204                 audio_bitrate_combo.set_active(4);
1205                 video_bitrate_combo.set_active(5);
1206                 if (_session->nominal_frame_rate() == 48000 || _session->nominal_frame_rate() == 96000) {
1207                         audio_samplerate_combo.set_active(2);
1208                 } else {
1209                         audio_samplerate_combo.set_active(1);
1210                 }
1211         }
1212         else if (p == "mp4/h264/aac") {
1213                 change_file_extension(".mp4");
1214                 audio_codec_combo.set_active(2);
1215                 video_codec_combo.set_active(6);
1216                 audio_bitrate_combo.set_active(0);
1217                 video_bitrate_combo.set_active(0);
1218                 if (_session->nominal_frame_rate() == 48000 || _session->nominal_frame_rate() == 96000) {
1219                         audio_samplerate_combo.set_active(2);
1220                 } else {
1221                         audio_samplerate_combo.set_active(1);
1222                 }
1223         }
1224
1225         if (p == "none") {
1226                 audio_codec_combo.set_sensitive(true);
1227                 video_codec_combo.set_sensitive(true);
1228                 audio_bitrate_combo.set_sensitive(true);
1229                 video_bitrate_combo.set_sensitive(true);
1230                 audio_samplerate_combo.set_sensitive(true);
1231         } else {
1232                 audio_codec_combo.set_sensitive(false);
1233                 video_codec_combo.set_sensitive(false);
1234                 audio_bitrate_combo.set_sensitive(false);
1235                 video_bitrate_combo.set_sensitive(false);
1236                 audio_samplerate_combo.set_sensitive(false);
1237         }
1238
1239         Gtk::Table *t = (Gtk::Table*) preset_combo.get_parent();
1240         Gtk::Table_Helpers::TableList c = t->children();
1241         Gtk::Table_Helpers::TableList::iterator it;
1242         if (p == "dvd-PAL" || p == "dvd-NTSC") {
1243                 for (it = c.begin(); it != c.end(); ++it) {
1244                         int row = it->get_top_attach();
1245                         if (row == 2 || row == 3 || row== 5 || row== 6 || row == 9) {
1246                                 it->get_widget()->hide();
1247                         }
1248                 }
1249         } else {
1250                 for (it = c.begin(); it != c.end(); ++it) {
1251                         int row = it->get_top_attach();
1252                         if (row == 2 || row == 3 || row== 5 || row== 6 || row == 9) {
1253                                 it->get_widget()->show();
1254                         }
1255                 }
1256         }
1257
1258         video_codec_combo_changed();
1259 }
1260
1261 void
1262 ExportVideoDialog::open_outfn_dialog ()
1263 {
1264         Gtk::FileChooserDialog dialog(_("Save Exported Video File"), Gtk::FILE_CHOOSER_ACTION_SAVE);
1265         dialog.set_filename (outfn_path_entry.get_text());
1266
1267         dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1268         dialog.add_button(Gtk::Stock::OK, Gtk::RESPONSE_OK);
1269
1270         int result = dialog.run();
1271
1272         if (result == Gtk::RESPONSE_OK) {
1273                 std::string filename = dialog.get_filename();
1274
1275                 if (filename.length()) {
1276                         outfn_path_entry.set_text (filename);
1277                 }
1278         }
1279 }
1280
1281 void
1282 ExportVideoDialog::open_invid_dialog ()
1283 {
1284         Gtk::FileChooserDialog dialog(_("Save Exported Video File"), Gtk::FILE_CHOOSER_ACTION_SAVE);
1285         dialog.set_filename (invid_path_entry.get_text());
1286
1287         dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1288         dialog.add_button(Gtk::Stock::OK, Gtk::RESPONSE_OK);
1289
1290         int result = dialog.run();
1291
1292         if (result == Gtk::RESPONSE_OK) {
1293                 std::string filename = dialog.get_filename();
1294
1295                 if (filename.length()) {
1296                         invid_path_entry.set_text (filename);
1297                 }
1298         }
1299 }