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