gtk2_ardour/export_video_dialog.cc

   1 /*
   2     Copyright (C) 2010 Paul Davis
   3     Author: Robin Gareus <robin@gareus.org>
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18
  19 */
  20 #include <cstdio>
  21 #include <string>
  22 #include <sstream>
  23 #include <iomanip>
  24
  25 #include <unistd.h>
  26 #include <sys/types.h>
  27 #include <sys/stat.h>
  28 #include <fcntl.h>
  29
  30 #include <sigc++/bind.h>
  31
  32 #include <glib/gstdio.h>
  33
  34 #include "pbd/error.h"
  35 #include "pbd/convert.h"
  36 #include "gtkmm2ext/keyboard.h"
  37 #include "gtkmm2ext/utils.h"
  38 #include "ardour/session_directory.h"
  39 #include "ardour/profile.h"
  40 #include "ardour/template_utils.h"
  41 #include "ardour/session.h"
  42 #include "ardour_ui.h"
  43 #include "gui_thread.h"
  44
  45 #include "ardour/export_handler.h"
  46 #include "ardour/export_status.h"
  47 #include "ardour/export_timespan.h"
  48 #include "ardour/export_channel_configuration.h"
  49 #include "ardour/export_format_specification.h"
  50 #include "ardour/export_filename.h"
  51 #include "ardour/route.h"
  52 #include "ardour/session_metadata.h"
  53 #include "ardour/broadcast_info.h"
  54
  55 #include "opts.h"
  56 #include "export_video_dialog.h"
  57 #include "utils_videotl.h"
  58 #include "i18n.h"
  59
  60 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         , scale_checkbox (_("Scale Video (W x H):"))
  83         , scale_aspect (_("Retain Aspect"))
  84         , width_adjustment (768, 128, 1920, 1, 16, 0)
  85         , width_spinner (width_adjustment)
  86         , height_adjustment (576, 128, 1920, 1, 16, 0)
  87         , height_spinner (height_adjustment)
  88         , aspect_checkbox (_("Set Aspect Ratio:"))
  89         , normalize_checkbox (_("Normalize Audio"))
  90         , twopass_checkbox (_("2 Pass Encoding"))
  91         , optimizations_checkbox (_("Codec Optimizations:"))
  92         , optimizations_label ("-")
  93         , deinterlace_checkbox (_("Deinterlace"))
  94         , bframes_checkbox (_("Use [2] B-frames (MPEG 2 or 4 only)"))
  95         , fps_checkbox (_("Override FPS (Default is to retain FPS from the input video file):"))
  96         , meta_checkbox (_("Include Session Metadata"))
  97 #if 1 /* tentative debug mode */
  98         , debug_checkbox (_("Debug Mode: Print ffmpeg command and output to stdout."))
  99 #endif
 100 {
 101         set_name ("ExportVideoDialog");
 102         set_modal (true);
 103         set_skip_taskbar_hint (true);
 104         set_resizable (false);
 105
 106         Gtk::Label* l;
 107         vbox = manage (new VBox);
 108         VBox* options_box = manage (new VBox);
 109         HBox* path_hbox;
 110
 111         /* check if ffmpeg can be found */
 112         _transcoder = new TranscodeFfmpeg("");
 113         if (!_transcoder->ffexec_ok()) {
 114                 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));
 115                 l->set_line_wrap();
 116                 vbox->pack_start (*l, false, false, 8);
 117                 get_vbox()->pack_start (*vbox, false, false);
 118                 add_button (Stock::OK, RESPONSE_CANCEL);
 119                 show_all_children ();
 120                 return;
 121         }
 122         delete _transcoder; _transcoder = 0;
 123
 124         l = manage (new Label (_("<b>Output:</b> (file extension defines format)"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 125         l->set_use_markup ();
 126         vbox->pack_start (*l, false, false, 4);
 127
 128         path_hbox = manage (new HBox);
 129         path_hbox->pack_start (outfn_path_label, false, false, 3);
 130         path_hbox->pack_start (outfn_path_entry, true, true, 3);
 131         path_hbox->pack_start (outfn_browse_button, false, false, 3);
 132         vbox->pack_start (*path_hbox, false, false, 2);
 133
 134         l = manage (new Label (_("<b>Input Video:</b>"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 135         l->set_use_markup ();
 136         vbox->pack_start (*l, false, false, 4);
 137
 138         path_hbox = manage (new HBox);
 139         path_hbox->pack_start (invid_path_label, false, false, 3);
 140         path_hbox->pack_start (invid_path_entry, true, true, 3);
 141         path_hbox->pack_start (invid_browse_button, false, false, 3);
 142         vbox->pack_start (*path_hbox, false, false, 2);
 143
 144         path_hbox = manage (new HBox);
 145         l = manage (new Label (_("Audio:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 146         path_hbox->pack_start (*l, false, false, 3);
 147         l = manage (new Label (_("Master Bus"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 148         path_hbox->pack_start (*l, false, false, 2);
 149         vbox->pack_start (*path_hbox, false, false, 2);
 150
 151         insnd_combo.set_name ("PaddedButton");
 152         insnd_combo.append_text (string_compose (_("from the %1 session's start to the session's end"), PROGRAM_NAME));
 153         outfn_path_entry.set_width_chars(38);
 154
 155         l = manage (new Label (_("<b>Settings:</b>"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 156         l->set_use_markup ();
 157         options_box->pack_start (*l, false, true, 4);
 158
 159         Table* t = manage (new Table (4, 12));
 160         t->set_spacings (4);
 161         int ty = 0;
 162         options_box->pack_start (*t, true, true, 4);
 163         l = manage (new Label (_("Range:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 164         t->attach (*l, 0, 1, ty, ty+1);
 165         t->attach (insnd_combo, 1, 4, ty, ty+1); ty++;
 166         l = manage (new Label (_("Preset:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 167         t->attach (*l, 0, 1, ty, ty+1);
 168         t->attach (preset_combo, 1, 4, ty, ty+1); ty++;
 169         l = manage (new Label (_("Video Codec:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 170         t->attach (*l, 0, 1, ty, ty+1);
 171         t->attach (video_codec_combo, 1, 2, ty, ty+1);
 172         l = manage (new Label (_("Video KBit/s:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 173         t->attach (*l, 2, 3, ty, ty+1);
 174         t->attach (video_bitrate_combo, 3, 4, ty, ty+1); ty++;
 175         l = manage (new Label (_("Audio Codec:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 176         t->attach (*l, 0, 1, ty, ty+1);
 177         t->attach (audio_codec_combo, 1, 2, ty, ty+1);
 178         l = manage (new Label (_("Audio KBit/s:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 179         t->attach (*l, 2, 3, ty, ty+1);
 180         t->attach (audio_bitrate_combo, 3, 4, ty, ty+1); ty++;
 181         l = manage (new Label (_("Audio Samplerate:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 182         t->attach (*l, 0, 1, ty, ty+1);
 183         t->attach (audio_samplerate_combo, 1, 2, ty, ty+1);
 184         t->attach (normalize_checkbox, 2, 4, ty, ty+1); ty++;
 185         t->attach (scale_checkbox, 0, 1, ty, ty+1);
 186         t->attach (scale_aspect, 1, 2, ty, ty+1);
 187         t->attach (width_spinner, 2, 3, ty, ty+1);
 188         t->attach (height_spinner, 3, 4, ty, ty+1); ty++;
 189         t->attach (fps_checkbox, 0, 3, ty, ty+1);
 190         t->attach (fps_combo, 3, 4, ty, ty+1); ty++;
 191         t->attach (twopass_checkbox, 0, 2, ty, ty+1);
 192         t->attach (aspect_checkbox, 2, 3, ty, ty+1);
 193         t->attach (aspect_combo, 3, 4, ty, ty+1); ty++;
 194         t->attach (bframes_checkbox, 0, 2, ty, ty+1);
 195         t->attach (deinterlace_checkbox, 2, 4, ty, ty+1); ty++;
 196         t->attach (meta_checkbox, 2, 4, ty, ty+1); ty++;
 197         t->attach (optimizations_checkbox, 0, 1, ty, ty+1);
 198         t->attach (optimizations_label, 1, 4, ty, ty+1); ty++;
 199 #if 1 /* tentative debug mode */
 200         t->attach (debug_checkbox, 0, 4, ty, ty+1); ty++;
 201 #endif
 202
 203         preset_combo.set_name ("PaddedButton");
 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.set_name ("PaddedButton");
 216         audio_codec_combo.append_text(_("(default for format)"));
 217         audio_codec_combo.append_text("ac3");
 218         audio_codec_combo.append_text("aac");
 219         audio_codec_combo.append_text("libmp3lame");
 220         audio_codec_combo.append_text("libvorbis");
 221         audio_codec_combo.append_text("mp2");
 222         audio_codec_combo.append_text("pcm_s16le");
 223
 224         video_codec_combo.set_name ("PaddedButton");
 225         video_codec_combo.append_text(_("(default for format)"));
 226         video_codec_combo.append_text("flv");
 227         video_codec_combo.append_text("libtheora");
 228         video_codec_combo.append_text("mjpeg");
 229         video_codec_combo.append_text("mpeg2video");
 230         video_codec_combo.append_text("mpeg4");
 231         video_codec_combo.append_text("h264");
 232         video_codec_combo.append_text("vpx (webm)");
 233         video_codec_combo.append_text("copy");
 234
 235         audio_bitrate_combo.set_name ("PaddedButton");
 236         audio_bitrate_combo.append_text(_("(default)"));
 237         audio_bitrate_combo.append_text("64k");
 238         audio_bitrate_combo.append_text("128k");
 239         audio_bitrate_combo.append_text("192k");
 240         audio_bitrate_combo.append_text("256k");
 241         audio_bitrate_combo.append_text("320k");
 242
 243         audio_samplerate_combo.set_name ("PaddedButton");
 244         audio_samplerate_combo.append_text("22050");
 245         audio_samplerate_combo.append_text("44100");
 246         audio_samplerate_combo.append_text("48000");
 247
 248         video_bitrate_combo.set_name ("PaddedButton");
 249         video_bitrate_combo.append_text(_("(default)"));
 250         video_bitrate_combo.append_text(_("(retain)"));
 251         video_bitrate_combo.append_text("200k");
 252         video_bitrate_combo.append_text("800k");
 253         video_bitrate_combo.append_text("2000k");
 254         video_bitrate_combo.append_text("5000k");
 255         video_bitrate_combo.append_text("8000k");
 256
 257         fps_combo.set_name ("PaddedButton");
 258         fps_combo.append_text("23.976");
 259         fps_combo.append_text("24");
 260         fps_combo.append_text("24.976");
 261         fps_combo.append_text("25");
 262         fps_combo.append_text("29.97");
 263         fps_combo.append_text("30");
 264         fps_combo.append_text("59.94");
 265         fps_combo.append_text("60");
 266
 267         aspect_combo.set_name ("PaddedButton");
 268         aspect_combo.append_text("4:3");
 269         aspect_combo.append_text("16:9");
 270
 271         vbox->pack_start (*options_box, false, true, 4);
 272         get_vbox()->set_spacing (4);
 273         get_vbox()->pack_start (*vbox, false, false);
 274
 275         progress_box = manage (new VBox);
 276         progress_box->pack_start (pbar, false, false);
 277         progress_box->pack_start (abort_button, false, false);
 278         get_vbox()->pack_start (*progress_box, false, false);
 279
 280         scale_checkbox.signal_toggled().connect (sigc::mem_fun (*this, &ExportVideoDialog::scale_checkbox_toggled));
 281         aspect_checkbox.signal_toggled().connect (sigc::mem_fun (*this, &ExportVideoDialog::aspect_checkbox_toggled));
 282         fps_checkbox.signal_toggled().connect (sigc::mem_fun (*this, &ExportVideoDialog::fps_checkbox_toggled));
 283         preset_combo.signal_changed().connect (sigc::mem_fun (*this, &ExportVideoDialog::preset_combo_changed));
 284         video_codec_combo.signal_changed().connect (sigc::mem_fun (*this, &ExportVideoDialog::video_codec_combo_changed));
 285         outfn_browse_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportVideoDialog::open_outfn_dialog));
 286         invid_browse_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportVideoDialog::open_invid_dialog));
 287         transcode_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportVideoDialog::launch_export));
 288         abort_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportVideoDialog::abort_clicked));
 289
 290         invid_path_entry.signal_changed().connect (sigc::mem_fun (*this, &ExportVideoDialog::set_original_file_information));
 291         width_spinner.signal_value_changed().connect (sigc::mem_fun (*this, &ExportVideoDialog::width_value_changed));
 292         height_spinner.signal_value_changed().connect (sigc::mem_fun (*this, &ExportVideoDialog::height_value_changed));
 293
 294         cancel_button = add_button (Stock::CANCEL, RESPONSE_CANCEL);
 295         get_action_area()->pack_start (transcode_button, false, false);
 296         show_all_children ();
 297         progress_box->hide();
 298 }
 299
 300 ExportVideoDialog::~ExportVideoDialog ()
 301 {
 302         if (_transcoder) { delete _transcoder; _transcoder = 0;}
 303 }
 304
 305 void
 306 ExportVideoDialog::set_original_file_information()
 307 {
 308         assert(_transcoder == 0);
 309         std::string infile = invid_path_entry.get_text();
 310
 311         if (scale_checkbox.get_active()) {
 312                 // user may have set custom values already, don't touch.
 313                 return;
 314         }
 315         if (infile == "" || !Glib::file_test(infile, Glib::FILE_TEST_EXISTS)) {
 316                 return;
 317         }
 318
 319         _transcoder = new TranscodeFfmpeg(infile);
 320         if (_transcoder->probe_ok()) {
 321                 _video_source_aspect_ratio = -1;
 322                 width_spinner.set_value(_transcoder->get_width());
 323                 height_spinner.set_value(_transcoder->get_height());
 324                 _video_source_aspect_ratio = _transcoder->get_aspect();
 325         }
 326
 327         delete _transcoder; _transcoder = 0;
 328 }
 329 void
 330 ExportVideoDialog::apply_state (TimeSelection &tme, bool range)
 331 {
 332         _suspend_dirty = true; // TODO really just queue 'dirty' and mark session dirty on "Export"
 333
 334         export_range = tme;
 335         _video_source_aspect_ratio = -1;
 336
 337         outfn_path_entry.set_text (_session->session_directory().export_path() + G_DIR_SEPARATOR +"export.avi");
 338
 339         // TODO remember setting for export-range.. somehow, (let explicit range override)
 340         frameoffset_t av_offset = ARDOUR_UI::instance()->video_timeline->get_offset();
 341         if (av_offset < 0 ) {
 342                 insnd_combo.append_text (_("from 00:00:00:00 to the video's end"));
 343         } else {
 344                 insnd_combo.append_text (_("from the video's start to the video's end"));
 345         }
 346         if (!export_range.empty()) {
 347                 insnd_combo.append_text (_("Selected range"));  // TODO show export_range.start() -> export_range.end_frame()
 348         }
 349         if (range) {
 350                 insnd_combo.set_active(2);
 351         } else {
 352                 insnd_combo.set_active(0);
 353         }
 354
 355         preset_combo.set_active(0);
 356         audio_codec_combo.set_active(0);
 357         video_codec_combo.set_active(0);
 358         audio_bitrate_combo.set_active(0);
 359         audio_samplerate_combo.set_active(2);
 360         video_bitrate_combo.set_active(0);
 361         aspect_combo.set_active(1);
 362
 363         scale_checkbox.set_active(false);
 364         scale_aspect.set_active(true);
 365         aspect_checkbox.set_active(false);
 366         normalize_checkbox.set_active(false);
 367         twopass_checkbox.set_active(false);
 368         optimizations_checkbox.set_active(false);
 369         deinterlace_checkbox.set_active(false);
 370         bframes_checkbox.set_active(false);
 371         fps_checkbox.set_active(false);
 372         meta_checkbox.set_active(false);
 373
 374         float tcfps = _session->timecode_frames_per_second();
 375
 376         LocaleGuard lg (X_("C"));
 377
 378         XMLNode* node = _session->extra_xml (X_("Videotimeline"));
 379         if (node) {
 380                 bool filenameset = false;
 381                 if (node->property(X_("OriginalVideoFile"))) {
 382                         std::string filename = node->property(X_("OriginalVideoFile"))->value();
 383                         if (Glib::file_test(filename, Glib::FILE_TEST_EXISTS)) {
 384                                 invid_path_entry.set_text (filename);
 385                                 filenameset = true;
 386                         }
 387                 }
 388                 if (!filenameset
 389                                 && node->property(X_("Filename"))
 390                                 && node->property(X_("LocalFile"))
 391                                 && node->property(X_("LocalFile"))->value() == X_("1")
 392                    )
 393                 {
 394                         std::string filename = node->property(X_("Filename"))->value();
 395                         if (filename.at(0) != G_DIR_SEPARATOR)
 396                         {
 397                                 filename = Glib::build_filename (_session->session_directory().video_path(), filename);
 398                         }
 399                         if (Glib::file_test(filename, Glib::FILE_TEST_EXISTS))
 400                         {
 401                                 invid_path_entry.set_text (filename);
 402                                 filenameset = true;
 403                         }
 404                 }
 405                 if (!filenameset) {
 406                         invid_path_entry.set_text (X_(""));
 407                 }
 408         }
 409
 410         node = _session->extra_xml (X_("Videoexport"));
 411         if (node) {
 412                 const XMLProperty* prop;
 413                 prop = node->property (X_("ChangeGeometry"));
 414                 if (prop) { scale_checkbox.set_active(atoi(prop->value())?true:false); }
 415                 prop = node->property (X_("KeepAspect"));
 416                 if (prop) { scale_aspect.set_active(atoi(prop->value())?true:false); }
 417                 prop = node->property (X_("ChangeAspect"));
 418                 if (prop) { aspect_checkbox.set_active(atoi(prop->value())?true:false); }
 419                 prop = node->property (X_("NormalizeAudio"));
 420                 if (prop) { normalize_checkbox.set_active(atoi(prop->value())?true:false); }
 421                 prop = node->property (X_("TwoPassEncode"));
 422                 if (prop) { twopass_checkbox.set_active(atoi(prop->value())?true:false); }
 423                 prop = node->property (X_("CodecOptimzations"));
 424                 if (prop) { optimizations_checkbox.set_active(atoi(prop->value())?true:false); }
 425                 prop = node->property (X_("Deinterlace"));
 426                 if (prop) { deinterlace_checkbox.set_active(atoi(prop->value())?true:false); }
 427                 prop = node->property (X_("BFrames"));
 428                 if (prop) { bframes_checkbox.set_active(atoi(prop->value())?true:false); }
 429                 prop = node->property (X_("ChangeFPS"));
 430                 if (prop) { fps_checkbox.set_active(atoi(prop->value())?true:false); }
 431                 prop = node->property (X_("Metadata"));
 432                 if (prop) { meta_checkbox.set_active(atoi(prop->value())?true:false); }
 433
 434                 prop = node->property (X_("Format"));
 435                 if (prop && !prop->value().empty()) { change_file_extension( "." + prop->value()); }
 436
 437                 _suspend_signals = true;
 438                 prop = node->property (X_("Width"));
 439                 if (prop) { width_spinner.set_value(atoi(prop->value())); }
 440                 prop = node->property (X_("Height"));
 441                 if (prop) { height_spinner.set_value(atoi(prop->value())); }
 442                 _suspend_signals = false;
 443
 444                 prop = node->property (X_("FPS"));
 445                 if (prop && fps_checkbox.get_active()) { tcfps = atof(prop->value()); }
 446
 447                 prop = node->property (X_("Preset"));
 448                 if (prop) { preset_combo.set_active_text(prop->value()); }
 449                 prop = node->property (X_("VCodec"));
 450                 if (prop) { video_codec_combo.set_active_text(prop->value()); }
 451                 prop = node->property (X_("ACodec"));
 452                 if (prop) { audio_codec_combo.set_active_text(prop->value()); }
 453                 prop = node->property (X_("VBitrate"));
 454                 if (prop) { video_bitrate_combo.set_active_text(prop->value()); }
 455                 prop = node->property (X_("ABitrate"));
 456                 if (prop) { audio_bitrate_combo.set_active_text(prop->value()); }
 457                 prop = node->property (X_("AspectRatio"));
 458                 if (prop) { aspect_combo.set_active_text(prop->value()); }
 459                 prop = node->property (X_("SampleRate"));
 460                 if (prop) { audio_samplerate_combo.set_active_text(prop->value()); }
 461         }
 462
 463         if      (fabs(tcfps - 23.976) < 0.01) { fps_combo.set_active(0); }
 464         else if (fabs(tcfps - 24.0  ) < 0.01) { fps_combo.set_active(1); }
 465         else if (fabs(tcfps - 24.976) < 0.01) { fps_combo.set_active(2); }
 466         else if (fabs(tcfps - 25.0  ) < 0.01) { fps_combo.set_active(3); }
 467         else if (fabs(tcfps - 29.97 ) < 0.01) { fps_combo.set_active(4); }
 468         else if (fabs(tcfps - 30.0  ) < 0.01) { fps_combo.set_active(5); }
 469         else if (fabs(tcfps - 59.94 ) < 0.01) { fps_combo.set_active(6); }
 470         else if (fabs(tcfps - 60.0  ) < 0.01) { fps_combo.set_active(7); }
 471         else { fps_combo.set_active(5); }
 472
 473         set_original_file_information();
 474
 475         /* update sensitivity */
 476         scale_checkbox_toggled();
 477         aspect_checkbox_toggled();
 478         fps_checkbox_toggled();
 479         video_codec_combo_changed();
 480
 481         _suspend_dirty = false;
 482
 483         show_all_children ();
 484         progress_box->hide();
 485 }
 486
 487 XMLNode&
 488 ExportVideoDialog::get_state ()
 489 {
 490         LocaleGuard lg (X_("C"));
 491         XMLNode* node = new XMLNode (X_("Videoexport"));
 492         node->add_property (X_("ChangeGeometry"), scale_checkbox.get_active() ? X_("1") : X_("0"));
 493         node->add_property (X_("KeepAspect"), scale_aspect.get_active() ? X_("1") : X_("0"));
 494         node->add_property (X_("ChangeAspect"), aspect_checkbox.get_active() ? X_("1") : X_("0"));
 495         node->add_property (X_("NormalizeAudio"), normalize_checkbox.get_active() ? X_("1") : X_("0"));
 496         node->add_property (X_("TwoPassEncode"), twopass_checkbox.get_active() ? X_("1") : X_("0"));
 497         node->add_property (X_("CodecOptimzations"), optimizations_checkbox.get_active() ? X_("1") : X_("0"));
 498         node->add_property (X_("Deinterlace"), deinterlace_checkbox.get_active() ? X_("1") : X_("0"));
 499         node->add_property (X_("BFrames"), bframes_checkbox.get_active() ? X_("1") : X_("0"));
 500         node->add_property (X_("ChangeFPS"), fps_checkbox.get_active() ? X_("1") : X_("0"));
 501         node->add_property (X_("Metadata"), meta_checkbox.get_active() ? X_("1") : X_("0"));
 502
 503         node->add_property (X_("Format"), get_file_extension(outfn_path_entry.get_text()));
 504
 505         node->add_property (X_("Width"), width_spinner.get_value());
 506         node->add_property (X_("Height"), height_spinner.get_value());
 507
 508         node->add_property (X_("Preset"), preset_combo.get_active_text());
 509         node->add_property (X_("VCodec"), video_codec_combo.get_active_text());
 510         node->add_property (X_("ACodec"), audio_codec_combo.get_active_text());
 511         node->add_property (X_("VBitrate"), video_bitrate_combo.get_active_text());
 512         node->add_property (X_("ABitrate"), audio_bitrate_combo.get_active_text());
 513         node->add_property (X_("AspectRatio"), aspect_combo.get_active_text());
 514         node->add_property (X_("SampleRate"), audio_samplerate_combo.get_active_text());
 515         node->add_property (X_("FPS"), fps_combo.get_active_text());
 516
 517         return *node;
 518 }
 519
 520 void
 521 ExportVideoDialog::set_state (const XMLNode &)
 522 {
 523 }
 524
 525 void
 526 ExportVideoDialog::on_show ()
 527 {
 528         Dialog::on_show ();
 529 }
 530
 531 bool
 532 ExportVideoDialog::on_focus_in_event (GdkEventFocus *ev)
 533 {
 534         Dialog::on_focus_in_event (ev);
 535         Gtkmm2ext::Keyboard::magic_widget_grab_focus ();
 536         return true;
 537 }
 538
 539 bool
 540 ExportVideoDialog::on_focus_out_event (GdkEventFocus *ev)
 541 {
 542         Dialog::on_focus_out_event (ev);
 543         Gtkmm2ext::Keyboard::magic_widget_drop_focus ();
 544         return true;
 545 }
 546
 547 void
 548 ExportVideoDialog::abort_clicked ()
 549 {
 550         _aborted = true;
 551         if (_transcoder) {
 552                 _transcoder->cancel();
 553         }
 554 }
 555
 556 void
 557 ExportVideoDialog::update_progress (framecnt_t c, framecnt_t a)
 558 {
 559         if (a == 0 || c > a) {
 560                 pbar.set_pulse_step(.1);
 561                 pbar.pulse();
 562         } else {
 563                 double progress = (double)c / (double) a;
 564                 progress = progress / ((_twopass ? 2.0 : 1.0) + (_normalize ? 2.0 : 1.0));
 565                 if (_normalize && _twopass) progress += (_firstpass ? .5 : .75);
 566                 else if (_normalize) progress += 2.0/3.0;
 567                 else if (_twopass) progress += (_firstpass ? 1.0/3.0 : 2.0/3.0);
 568                 else progress += .5;
 569
 570                 pbar.set_fraction (progress);
 571         }
 572 }
 573
 574
 575 gint
 576 ExportVideoDialog::audio_progress_display ()
 577 {
 578         std::string status_text;
 579         double progress = 0.0;
 580                 if (status->normalizing) {
 581                         pbar.set_text (_("Normalizing audio"));
 582                         progress = ((float) status->current_normalize_cycle) / status->total_normalize_cycles;
 583                         progress = progress / (_twopass ? 4.0 : 3.0) + (_twopass ? .25 : 1.0/3.0);
 584                 } else {
 585                         pbar.set_text (_("Exporting audio"));
 586                         progress = ((float) status->processed_frames_current_timespan) / status->total_frames_current_timespan;
 587                         progress = progress / ((_twopass ? 2.0 : 1.0) + (_normalize ? 2.0 : 1.0));
 588                 }
 589                 if (progress < _previous_progress) {
 590                         // Work around gtk bug
 591                         pbar.hide();
 592                         pbar.show();
 593                 }
 594                 _previous_progress = progress;
 595                 pbar.set_fraction (progress);
 596         return TRUE;
 597 }
 598
 599 void
 600 ExportVideoDialog::finished ()
 601 {
 602         if (_aborted) {
 603                 ::g_unlink(outfn_path_entry.get_text().c_str());
 604                 ::g_unlink (_insnd.c_str());
 605                 delete _transcoder; _transcoder = 0;
 606                 Gtk::Dialog::response(RESPONSE_CANCEL);
 607         } else if (_twopass && _firstpass) {
 608                 _firstpass = false;
 609                 if (_transcoder) { delete _transcoder; _transcoder = 0;}
 610                 encode_pass(2);
 611         } else {
 612                 if (twopass_checkbox.get_active()) {
 613                         std::string outfn = outfn_path_entry.get_text();
 614                         std::string p2log = Glib::path_get_dirname (outfn) + G_DIR_SEPARATOR + "ffmpeg2pass";
 615                         ::g_unlink (p2log.c_str());
 616                 }
 617                 ::g_unlink (_insnd.c_str());
 618                 delete _transcoder; _transcoder = 0;
 619                 Gtk::Dialog::response(RESPONSE_ACCEPT);
 620         }
 621 }
 622
 623 void
 624 ExportVideoDialog::launch_export ()
 625 {
 626         /* remember current settings.
 627          * needed because apply_state() acts on both:
 628          * "Videotimeline" and "Video Export" extra XML
 629          * as well as current _session settings
 630          */
 631         _session->add_extra_xml (get_state());
 632
 633         std::string outfn = outfn_path_entry.get_text();
 634         if (!confirm_video_outfn(outfn)) { return; }
 635
 636         vbox->hide();
 637         cancel_button->hide();
 638         transcode_button.hide();
 639         pbar.set_size_request(300,-1);
 640         pbar.set_text(_("Exporting Audio..."));
 641         progress_box->show();
 642         _aborted = false;
 643         _twopass = twopass_checkbox.get_active();
 644         _firstpass = true;
 645         _normalize = normalize_checkbox.get_active();
 646
 647         /* export audio track */
 648         ExportTimespanPtr tsp = _session->get_export_handler()->add_timespan();
 649         boost::shared_ptr<ExportChannelConfiguration> ccp = _session->get_export_handler()->add_channel_config();
 650         boost::shared_ptr<ARDOUR::ExportFilename> fnp = _session->get_export_handler()->add_filename();
 651         boost::shared_ptr<AudioGrapher::BroadcastInfo> b;
 652         XMLTree tree;
 653         std::string vtl_samplerate = audio_samplerate_combo.get_active_text();
 654         std::string vtl_normalize = _normalize ? "true" : "false";
 655         tree.read_buffer(std::string(
 656 "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
 657 "<ExportFormatSpecification name=\"VTL-WAV-16\" id=\"3094591e-ccb9-4385-a93f-c9955ffeb1f0\">"
 658 "  <Encoding id=\"F_WAV\" type=\"T_Sndfile\" extension=\"wav\" name=\"WAV\" has-sample-format=\"true\" channel-limit=\"256\"/>"
 659 "  <SampleRate rate=\""+ vtl_samplerate +"\"/>"
 660 "  <SRCQuality quality=\"SRC_SincBest\"/>"
 661 "  <EncodingOptions>"
 662 "    <Option name=\"sample-format\" value=\"SF_16\"/>"
 663 "    <Option name=\"dithering\" value=\"D_None\"/>"
 664 "    <Option name=\"tag-metadata\" value=\"true\"/>"
 665 "    <Option name=\"tag-support\" value=\"false\"/>"
 666 "    <Option name=\"broadcast-info\" value=\"false\"/>"
 667 "  </EncodingOptions>"
 668 "  <Processing>"
 669 "    <Normalize enabled=\""+ vtl_normalize +"\" target=\"0\"/>"
 670 "    <Silence>"
 671 "      <Start>"
 672 "        <Trim enabled=\"false\"/>"
 673 "        <Add enabled=\"false\">"
 674 "          <Duration format=\"Timecode\" hours=\"0\" minutes=\"0\" seconds=\"0\" frames=\"0\"/>"
 675 "        </Add>"
 676 "      </Start>"
 677 "      <End>"
 678 "        <Trim enabled=\"false\"/>"
 679 "        <Add enabled=\"false\">"
 680 "          <Duration format=\"Timecode\" hours=\"0\" minutes=\"0\" seconds=\"0\" frames=\"0\"/>"
 681 "        </Add>"
 682 "      </End>"
 683 "    </Silence>"
 684 "  </Processing>"
 685 "</ExportFormatSpecification>"
 686 ));
 687         boost::shared_ptr<ExportFormatSpecification> fmp = _session->get_export_handler()->add_format(*tree.root());
 688
 689         /* set up range */
 690         framepos_t start, end;
 691         start = end = 0;
 692         if (insnd_combo.get_active_row_number() == 1) {
 693                 _transcoder = new TranscodeFfmpeg(invid_path_entry.get_text());
 694                 if (_transcoder->probe_ok() && _transcoder->get_fps() > 0) {
 695                         end = _transcoder->get_duration() * _session->nominal_frame_rate() / _transcoder->get_fps();
 696                 } else {
 697                         warning << _("Export Video: Cannot query duration of video-file, using duration from timeline instead.") << endmsg;
 698                         end = ARDOUR_UI::instance()->video_timeline->get_duration();
 699                 }
 700                 if (_transcoder) {delete _transcoder; _transcoder = 0;}
 701
 702                 frameoffset_t av_offset = ARDOUR_UI::instance()->video_timeline->get_offset();
 703 #if 0 /* DEBUG */
 704                 printf("audio-range -- AV offset: %lld\n", av_offset);
 705 #endif
 706                 if (av_offset > 0) {
 707                         start = av_offset;
 708                 }
 709                 end += av_offset;
 710         }
 711         else if (insnd_combo.get_active_row_number() == 2) {
 712                 start = ARDOUR_UI::instance()->video_timeline->quantify_frames_to_apv(export_range.start());
 713                 end   = ARDOUR_UI::instance()->video_timeline->quantify_frames_to_apv(export_range.end_frame());
 714         }
 715         if (end <= 0) {
 716                 start = _session->current_start_frame();
 717                 end   = _session->current_end_frame();
 718         }
 719 #if 0 /* DEBUG */
 720         printf("audio export-range %lld -> %lld\n", start, end);
 721 #endif
 722
 723         const frameoffset_t vstart = ARDOUR_UI::instance()->video_timeline->get_offset();
 724         const frameoffset_t vend   = vstart + ARDOUR_UI::instance()->video_timeline->get_duration();
 725
 726         if ( (start >= end) || (end < vstart) || (start > vend)) {
 727                 warning << _("Export Video: export-range does not include video.") << endmsg;
 728                 delete _transcoder; _transcoder = 0;
 729                 Gtk::Dialog::response(RESPONSE_CANCEL);
 730                 return;
 731         }
 732
 733         tsp->set_range (start, end);
 734         tsp->set_name ("mysession");
 735         tsp->set_range_id ("session");
 736
 737         /* add master outs as default */
 738         IO* master_out = _session->master_out()->output().get();
 739         if (!master_out) {
 740                 warning << _("Export Video: No Master Out Ports to Connect for Audio Export") << endmsg;
 741                 delete _transcoder; _transcoder = 0;
 742                 Gtk::Dialog::response(RESPONSE_CANCEL);
 743                 return;
 744         }
 745         for (uint32_t n = 0; n < master_out->n_ports().n_audio(); ++n) {
 746                 PortExportChannel * channel = new PortExportChannel ();
 747                 channel->add_port (master_out->audio (n));
 748                 ExportChannelPtr chan_ptr (channel);
 749                 ccp->register_channel (chan_ptr);
 750         }
 751
 752         /* outfile */
 753         fnp->set_timespan(tsp);
 754         fnp->set_label("vtl");
 755         fnp->include_label = true;
 756         _insnd = fnp->get_path(fmp);
 757
 758         /* do sound export */
 759         fmp->set_soundcloud_upload(false);
 760         _session->get_export_handler()->add_export_config (tsp, ccp, fmp, fnp, b);
 761         _session->get_export_handler()->do_export();
 762         status = _session->get_export_status ();
 763
 764         audio_progress_connection = Glib::signal_timeout().connect (sigc::mem_fun(*this, &ExportVideoDialog::audio_progress_display), 100);
 765         _previous_progress = 0.0;
 766         while (status->running) {
 767                 if (_aborted) { status->abort(); }
 768                 if (gtk_events_pending()) {
 769                         gtk_main_iteration ();
 770                 } else {
 771                         Glib::usleep (10000);
 772                 }
 773         }
 774         audio_progress_connection.disconnect();
 775         status->finish ();
 776         if (status->aborted()) {
 777                 ::g_unlink (_insnd.c_str());
 778                 delete _transcoder; _transcoder = 0;
 779                 Gtk::Dialog::response(RESPONSE_CANCEL);
 780                 return;
 781         }
 782         pbar.set_text (_("Encoding Video..."));
 783         encode_pass(1);
 784 }
 785
 786 void
 787 ExportVideoDialog::encode_pass (int pass)
 788 {
 789         std::string outfn = outfn_path_entry.get_text();
 790         std::string invid = invid_path_entry.get_text();
 791
 792         _transcoder = new TranscodeFfmpeg(invid);
 793         if (!_transcoder->ffexec_ok()) {
 794                 /* ffmpeg binary was not found. TranscodeFfmpeg prints a warning */
 795                 ::g_unlink (_insnd.c_str());
 796                 delete _transcoder; _transcoder = 0;
 797                 Gtk::Dialog::response(RESPONSE_CANCEL);
 798                 return;
 799         }
 800         if (!_transcoder->probe_ok()) {
 801                 /* video input file can not be read */
 802                 warning << _("Export Video: Video input file cannot be read.") << endmsg;
 803                 ::g_unlink (_insnd.c_str());
 804                 delete _transcoder; _transcoder = 0;
 805                 Gtk::Dialog::response(RESPONSE_CANCEL);
 806                 return;
 807         }
 808
 809         std::string preset = preset_combo.get_active_text();
 810         TranscodeFfmpeg::FFSettings ffs ; /* = transcoder->default_encoder_settings(); */
 811         ffs.clear();
 812
 813         if (fps_checkbox.get_active()) {
 814                 ffs["-r"] = fps_combo.get_active_text();
 815                 _transcoder->set_fps(atof(fps_combo.get_active_text()));
 816         }
 817
 818         if (scale_checkbox.get_active()) {
 819                 ffs["-s"] = string_compose("%1x%2", width_spinner.get_value(), height_spinner.get_value());
 820         }
 821
 822         if (video_codec_combo.get_active_text() != _("(default for format)")) {
 823                 ffs["-vcodec"] = video_codec_combo.get_active_text();
 824         }
 825         if (audio_codec_combo.get_active_text() != _("(default for format)")) {
 826                 ffs["-acodec"] = audio_codec_combo.get_active_text();
 827         }
 828
 829         if (video_bitrate_combo.get_active_text() == _("(default)") ) {
 830                 ;
 831         }
 832         else if (video_bitrate_combo.get_active_text() == _("(retain)") ) {
 833                 ffs["-qscale"]  = "0";
 834         } else {
 835                 ffs["-b:v"]  = video_bitrate_combo.get_active_text();
 836         }
 837
 838         if (audio_bitrate_combo.get_active_text() != _("(default)") ) {
 839                 ffs["-b:a"] = audio_bitrate_combo.get_active_text();
 840         }
 841
 842         if (audio_codec_combo.get_active_text() == "aac" ) {
 843                 ffs["-strict"] = "-2";
 844         }
 845
 846         if (video_codec_combo.get_active_text() == "h264" ) {
 847                 ffs["-vcodec"] = "libx264";
 848         }
 849         else if (video_codec_combo.get_active_text() == "vpx (webm)" ) {
 850                 ffs["-vcodec"] = "libvpx";
 851                 ffs["-g"] = "120";
 852                 ffs["-qmin"] = "11";
 853                 ffs["-qmax"] = "51";
 854         }
 855
 856         if (optimizations_checkbox.get_active()) {
 857           if (video_codec_combo.get_active_text() == "mpeg2video") {
 858                         ffs["-mbd"] = "rd";
 859                         ffs["-trellis"] = "2";
 860                         ffs["-cmp"] = "2";
 861                         ffs["-subcmp"] = "2";
 862                 }
 863                 else if (video_codec_combo.get_active_text() == "mpeg4") {
 864                         ffs["-mbd"] = "rd";
 865                         ffs["-flags"] = "+mv4+aic";
 866                         ffs["-trellis"] = "2";
 867                         ffs["-cmp"] = "2";
 868                         ffs["-subcmp"] = "2";
 869                         ffs["-g"] = "300";
 870                 }
 871                 else if (video_codec_combo.get_active_text() == "flv") {
 872                         ffs["-mbd"] = "2";
 873                         ffs["-cmp"] = "2";
 874                         ffs["-subcmp"] = "2";
 875                         ffs["-trellis"] = "2";
 876                         ffs["-flags"] = "+aic+mv0+mv4";
 877                         ffs["-g"] = "160";
 878                 }
 879         }
 880
 881         if (bframes_checkbox.get_active() && (
 882                    video_codec_combo.get_active_text() == "mpeg2video"
 883                 || video_codec_combo.get_active_text() == "mpeg4"
 884                 )) {
 885                 ffs["-bf"] = "2";
 886         }
 887
 888         if (preset == "dvd-PAL") {
 889                 ffs.clear(); /* ignore all prev settings */
 890                 ffs["-target"] = "pal-dvd";
 891                 ffs["-aspect"] = "4:3"; /* required for DVD - may be overridden below */
 892         }
 893         else if (preset == "dvd-NTSC") {
 894                 ffs.clear(); /* ignore all prev settings */
 895                 ffs["-target"] = "ntsc-dvd";
 896                 ffs["-aspect"] = "4:3"; /* required for DVD - may be overridden below */
 897         }
 898
 899         if (aspect_checkbox.get_active()) {
 900                 ffs["-aspect"] = aspect_combo.get_active_text();
 901         }
 902         if (deinterlace_checkbox.get_active()) {
 903                 ffs["-deinterlace"] = "-y"; // we use '-y' as dummy parameter for non key/value options
 904         }
 905
 906         bool map = true;
 907         if (pass == 1 && _twopass) {
 908                 pbar.set_text (_("Encoding Video.. Pass 1/2"));
 909                 map = false;
 910                 ffs["-pass"] = "1";
 911                 ffs["-an"] = "-y";
 912                 ffs["-passlogfile"] =  Glib::path_get_dirname (outfn) + G_DIR_SEPARATOR + "ffmpeg2pass";
 913                 ffs["-f"] = get_file_extension(invid).empty()?"mov":get_file_extension(invid);
 914 #ifdef PLATFORM_WINDOWS
 915                 outfn = "NUL";
 916 #else
 917                 outfn = "/dev/null";
 918 #endif
 919         } else if (pass == 2) {
 920                 pbar.set_text (_("Encoding Video.. Pass 2/2"));
 921                 ffs["-pass"] = "2";
 922                 ffs["-passlogfile"] =  Glib::path_get_dirname (outfn) + G_DIR_SEPARATOR + "ffmpeg2pass";
 923         }
 924
 925         frameoffset_t av_offset = ARDOUR_UI::instance()->video_timeline->get_offset();
 926         double duration_s  = 0;
 927
 928         if (insnd_combo.get_active_row_number() == 0) {
 929                 /* session start to session end */
 930                 framecnt_t duration_f = _session->current_end_frame() - _session->current_start_frame();
 931                 duration_s = (double)duration_f / (double)_session->nominal_frame_rate();
 932         } else if (insnd_combo.get_active_row_number() == 2) {
 933                 /* selected range */
 934                 duration_s = export_range.length() / (double)_session->nominal_frame_rate();
 935         } else {
 936                 /* video start to end */
 937                 framecnt_t duration_f = ARDOUR_UI::instance()->video_timeline->get_duration();
 938                 if (av_offset < 0 ) {
 939                         duration_f += av_offset;
 940                 }
 941                 duration_s = (double)duration_f / (double)_session->nominal_frame_rate();
 942         }
 943
 944         std::ostringstream osstream; osstream << duration_s;
 945         ffs["-t"] = osstream.str();
 946         _transcoder->set_duration(duration_s * _transcoder->get_fps());
 947
 948         if (insnd_combo.get_active_row_number() == 0 || insnd_combo.get_active_row_number() == 2) {
 949                 framepos_t start, snend;
 950                 const frameoffset_t vid_duration = ARDOUR_UI::instance()->video_timeline->get_duration();
 951                 if (insnd_combo.get_active_row_number() == 0) {
 952                         start = _session->current_start_frame();
 953                         snend = _session->current_end_frame();
 954                 } else {
 955                         start = export_range.start();
 956                         snend = export_range.end_frame();
 957                 }
 958
 959 #if 0 /* DEBUG */
 960                 printf("AV offset: %lld Vid-len: %lld Vid-end: %lld || start:%lld || end:%lld\n",
 961                                 av_offset, vid_duration, av_offset+vid_duration, start, snend); // XXX
 962 #endif
 963
 964                 if (av_offset > start && av_offset + vid_duration < snend) {
 965                         _transcoder->set_leadinout((av_offset - start) / (double)_session->nominal_frame_rate(),
 966                                 (snend - (av_offset + vid_duration)) / (double)_session->nominal_frame_rate());
 967                 } else if (av_offset > start) {
 968                         _transcoder->set_leadinout((av_offset - start) / (double)_session->nominal_frame_rate(), 0);
 969                 } else if (av_offset + vid_duration < snend) {
 970                         _transcoder->set_leadinout(0, (snend - (av_offset + vid_duration)) / (double)_session->nominal_frame_rate());
 971                         _transcoder->set_avoffset((av_offset - start) / (double)_session->nominal_frame_rate());
 972                 }
 973 #if 0
 974                 else if (start > av_offset) {
 975                         std::ostringstream osstream; osstream << ((start - av_offset) / (double)_session->nominal_frame_rate());
 976                         ffs["-ss"] = osstream.str();
 977                 }
 978 #endif
 979                 else {
 980                         _transcoder->set_avoffset((av_offset - start) / (double)_session->nominal_frame_rate());
 981                 }
 982
 983         } else if (av_offset < 0) {
 984                 /* from 00:00:00:00 to video-end */
 985                 _transcoder->set_avoffset(av_offset / (double)_session->nominal_frame_rate());
 986         }
 987
 988         TranscodeFfmpeg::FFSettings meta = _transcoder->default_meta_data();
 989         if (meta_checkbox.get_active()) {
 990                 ARDOUR::SessionMetadata * session_data = ARDOUR::SessionMetadata::Metadata();
 991                 if (session_data->year() > 0 ) {
 992                         std::ostringstream osstream; osstream << session_data->year();
 993                         meta["year"] = osstream.str();
 994                 }
 995                 if (session_data->track_number() > 0 ) {
 996                         std::ostringstream osstream; osstream << session_data->track_number();
 997                         meta["track"] = osstream.str();
 998                 }
 999                 if (session_data->disc_number() > 0 ) {
1000                         std::ostringstream osstream; osstream << session_data->disc_number();
1001                         meta["disc"] = osstream.str();
1002                 }
1003                 if (!session_data->title().empty())     {meta["title"] = session_data->title();}
1004                 if (!session_data->artist().empty())    {meta["author"] = session_data->artist();}
1005                 if (!session_data->album_artist().empty()) {meta["album_artist"] = session_data->album_artist();}
1006                 if (!session_data->album().empty())     {meta["album"] = session_data->album();}
1007                 if (!session_data->genre().empty())     {meta["genre"] = session_data->genre();}
1008                 if (!session_data->composer().empty())  {meta["composer"] = session_data->composer();}
1009                 if (!session_data->comment().empty())   {meta["comment"] = session_data->comment();}
1010                 if (!session_data->copyright().empty()) {meta["copyright"] = session_data->copyright();}
1011                 if (!session_data->subtitle().empty())  {meta["description"] = session_data->subtitle();}
1012         }
1013
1014 #if 1 /* tentative debug mode */
1015         if (debug_checkbox.get_active()) {
1016                 _transcoder->set_debug(true);
1017         }
1018 #endif
1019
1020         _transcoder->Progress.connect(*this, invalidator (*this), boost::bind (&ExportVideoDialog::update_progress , this, _1, _2), gui_context());
1021         _transcoder->Finished.connect(*this, invalidator (*this), boost::bind (&ExportVideoDialog::finished, this), gui_context());
1022         if (!_transcoder->encode(outfn, _insnd, invid, ffs, meta, map)) {
1023                 ARDOUR_UI::instance()->popup_error(_("Transcoding failed."));
1024                 delete _transcoder; _transcoder = 0;
1025                 Gtk::Dialog::response(RESPONSE_CANCEL);
1026                 return;
1027         }
1028 }
1029
1030 void
1031 ExportVideoDialog::change_file_extension (std::string ext)
1032 {
1033         if (ext == "") return;
1034         outfn_path_entry.set_text (
1035                 strip_file_extension(outfn_path_entry.get_text()) + ext
1036         );
1037 }
1038
1039 void
1040 ExportVideoDialog::width_value_changed ()
1041 {
1042         if (_suspend_signals) {
1043                 return;
1044         }
1045         if (_session && !_suspend_dirty) _session->set_dirty ();
1046         if (!scale_checkbox.get_active() || !scale_aspect.get_active()) {
1047                 return;
1048         }
1049         if (_video_source_aspect_ratio <= 0) {
1050                 return;
1051         }
1052         _suspend_signals = true;
1053         height_spinner.set_value(rintf(width_spinner.get_value() / _video_source_aspect_ratio));
1054         _suspend_signals = false;
1055 }
1056
1057 void
1058 ExportVideoDialog::height_value_changed ()
1059 {
1060         if (_suspend_signals) {
1061                 return;
1062         }
1063         if (_session && !_suspend_dirty) _session->set_dirty ();
1064         if (!scale_checkbox.get_active() || !scale_aspect.get_active()) {
1065                 return;
1066         }
1067         if (_video_source_aspect_ratio <= 0) {
1068                 return;
1069         }
1070         _suspend_signals = true;
1071         width_spinner.set_value(rintf(height_spinner.get_value() * _video_source_aspect_ratio));
1072         _suspend_signals = false;
1073 }
1074
1075 void
1076 ExportVideoDialog::scale_checkbox_toggled ()
1077 {
1078         scale_aspect.set_sensitive(scale_checkbox.get_active());
1079         width_spinner.set_sensitive(scale_checkbox.get_active());
1080         height_spinner.set_sensitive(scale_checkbox.get_active());
1081         if (_session && !_suspend_dirty) _session->set_dirty ();
1082 }
1083
1084 void
1085 ExportVideoDialog::fps_checkbox_toggled ()
1086 {
1087         fps_combo.set_sensitive(fps_checkbox.get_active());
1088         if (_session && !_suspend_dirty) _session->set_dirty ();
1089 }
1090
1091 void
1092 ExportVideoDialog::aspect_checkbox_toggled ()
1093 {
1094         aspect_combo.set_sensitive(aspect_checkbox.get_active());
1095         if (_session && !_suspend_dirty) _session->set_dirty ();
1096 }
1097
1098 void
1099 ExportVideoDialog::video_codec_combo_changed ()
1100 {
1101         if ((  video_codec_combo.get_active_text() == "mpeg4"
1102              ||video_codec_combo.get_active_text() == "mpeg2video"
1103                         ) && !(
1104                preset_combo.get_active_text() == "dvd-PAL"
1105              ||preset_combo.get_active_text() == "dvd-NTSC"
1106            )) {
1107                 bframes_checkbox.set_sensitive(true);
1108                 optimizations_checkbox.set_sensitive(true);
1109                 if (video_codec_combo.get_active_text() == "mpeg2video") {
1110                         optimizations_label.set_text("-mbd rd -trellis 2 -cmp 2 -subcmp 2"); // mpeg2
1111                 } else if (video_codec_combo.get_active_text() == "mpeg4") {
1112                         optimizations_label.set_text("-mbd rd -flags +mv4+aic -trellis 2 -cmp 2 -subcmp 2 -g 300"); // mpeg4
1113                 } else {
1114                         optimizations_label.set_text("-mbd 2 -cmp 2 -subcmp 2 -trellis 2 -flags +aic+mv0+mv4 -g 160"); // flv
1115                 }
1116         } else {
1117                 bframes_checkbox.set_sensitive(false);
1118                 bframes_checkbox.set_active(false);
1119                 optimizations_checkbox.set_sensitive(false);
1120                 optimizations_checkbox.set_active(false);
1121                 optimizations_label.set_text("-");
1122         }
1123         if (_session && !_suspend_dirty) _session->set_dirty ();
1124 }
1125
1126 void
1127 ExportVideoDialog::preset_combo_changed ()
1128 {
1129         std::string p = preset_combo.get_active_text();
1130         scale_checkbox.set_sensitive(true);
1131
1132         if (p == "flv") {
1133                 change_file_extension(".flv");
1134                 audio_codec_combo.set_active(2);
1135                 video_codec_combo.set_active(1);
1136                 audio_bitrate_combo.set_active(2);
1137                 video_bitrate_combo.set_active(3);
1138                 audio_samplerate_combo.set_active(1);
1139         }
1140         else if (p == "you-tube") {
1141                 change_file_extension(".avi");
1142                 audio_codec_combo.set_active(3);
1143                 video_codec_combo.set_active(6);
1144                 audio_bitrate_combo.set_active(2);
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 == "ogg") {
1153                 change_file_extension(".ogv");
1154                 audio_codec_combo.set_active(4);
1155                 video_codec_combo.set_active(2);
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 == "webm") {
1165                 change_file_extension(".webm");
1166                 audio_codec_combo.set_active(4);
1167                 video_codec_combo.set_active(7);
1168                 audio_bitrate_combo.set_active(3);
1169                 video_bitrate_combo.set_active(4);
1170                 if (_session->nominal_frame_rate() == 48000 || _session->nominal_frame_rate() == 96000) {
1171                         audio_samplerate_combo.set_active(2);
1172                 } else {
1173                         audio_samplerate_combo.set_active(1);
1174                 }
1175         }
1176         else if (p == "dvd-mp2") {
1177                 change_file_extension(".mpg");
1178                 audio_codec_combo.set_active(5);
1179                 video_codec_combo.set_active(4);
1180                 audio_bitrate_combo.set_active(4);
1181                 video_bitrate_combo.set_active(5);
1182                 audio_samplerate_combo.set_active(2);
1183         }
1184         else if (p == "dvd-NTSC" || p == "dvd-PAL") {
1185                 change_file_extension(".mpg");
1186                 audio_codec_combo.set_active(6);
1187                 video_codec_combo.set_active(4);
1188                 audio_bitrate_combo.set_active(4);
1189                 video_bitrate_combo.set_active(5);
1190                 audio_samplerate_combo.set_active(2);
1191
1192                 scale_checkbox.set_active(false);
1193                 scale_checkbox.set_sensitive(false);
1194         }
1195         else if (p == "mpeg4") {
1196                 change_file_extension(".mp4");
1197                 audio_codec_combo.set_active(1);
1198                 video_codec_combo.set_active(5);
1199                 audio_bitrate_combo.set_active(4);
1200                 video_bitrate_combo.set_active(5);
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         else if (p == "mp4/h264/aac") {
1208                 change_file_extension(".mp4");
1209                 audio_codec_combo.set_active(2);
1210                 video_codec_combo.set_active(6);
1211                 audio_bitrate_combo.set_active(0);
1212                 video_bitrate_combo.set_active(0);
1213                 if (_session->nominal_frame_rate() == 48000 || _session->nominal_frame_rate() == 96000) {
1214                         audio_samplerate_combo.set_active(2);
1215                 } else {
1216                         audio_samplerate_combo.set_active(1);
1217                 }
1218         }
1219
1220         if (p == "none") {
1221                 audio_codec_combo.set_sensitive(true);
1222                 video_codec_combo.set_sensitive(true);
1223                 audio_bitrate_combo.set_sensitive(true);
1224                 video_bitrate_combo.set_sensitive(true);
1225                 audio_samplerate_combo.set_sensitive(true);
1226         } else {
1227                 audio_codec_combo.set_sensitive(false);
1228                 video_codec_combo.set_sensitive(false);
1229                 audio_bitrate_combo.set_sensitive(false);
1230                 video_bitrate_combo.set_sensitive(false);
1231                 audio_samplerate_combo.set_sensitive(false);
1232         }
1233
1234         Gtk::Table *t = (Gtk::Table*) preset_combo.get_parent();
1235         Gtk::Table_Helpers::TableList c = t->children();
1236         Gtk::Table_Helpers::TableList::iterator it;
1237         if (p == "dvd-PAL" || p == "dvd-NTSC") {
1238                 for (it = c.begin(); it != c.end(); ++it) {
1239                         int row = it->get_top_attach();
1240                         if (row == 2 || row == 3 || row== 5 || row== 6 || row == 9) {
1241                                 it->get_widget()->hide();
1242                         }
1243                 }
1244         } else {
1245                 for (it = c.begin(); it != c.end(); ++it) {
1246                         int row = it->get_top_attach();
1247                         if (row == 2 || row == 3 || row== 5 || row== 6 || row == 9) {
1248                                 it->get_widget()->show();
1249                         }
1250                 }
1251         }
1252
1253         video_codec_combo_changed();
1254 }
1255
1256 void
1257 ExportVideoDialog::open_outfn_dialog ()
1258 {
1259         Gtk::FileChooserDialog dialog(_("Save Exported Video File"), Gtk::FILE_CHOOSER_ACTION_SAVE);
1260         dialog.set_filename (outfn_path_entry.get_text());
1261
1262         dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1263         dialog.add_button(Gtk::Stock::OK, Gtk::RESPONSE_OK);
1264
1265         int result = dialog.run();
1266
1267         if (result == Gtk::RESPONSE_OK) {
1268                 std::string filename = dialog.get_filename();
1269
1270                 if (filename.length()) {
1271                         outfn_path_entry.set_text (filename);
1272                 }
1273         }
1274 }
1275
1276 void
1277 ExportVideoDialog::open_invid_dialog ()
1278 {
1279         Gtk::FileChooserDialog dialog(_("Save Exported Video File"), Gtk::FILE_CHOOSER_ACTION_SAVE);
1280         dialog.set_filename (invid_path_entry.get_text());
1281
1282         dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1283         dialog.add_button(Gtk::Stock::OK, Gtk::RESPONSE_OK);
1284
1285         int result = dialog.run();
1286
1287         if (result == Gtk::RESPONSE_OK) {
1288                 std::string filename = dialog.get_filename();
1289
1290                 if (filename.length()) {
1291                         invid_path_entry.set_text (filename);
1292                 }
1293         }
1294 }