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