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ardour/gtk2_ardour/export_video_dialog.cc

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/*
* Copyright (C) 2013-2015 John Emmas <john@creativepost.co.uk>
* Copyright (C) 2013-2018 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2013-2019 Robin Gareus <robin@gareus.org>
* Copyright (C) 2015 André Nusser <andre.nusser@googlemail.com>
* Copyright (C) 2016 Tim Mayberry <mojofunk@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <cstdio>
#include <string>
#include <sstream>
#include <iomanip>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sigc++/bind.h>
#include <gtkmm/filechooserdialog.h>
#include <gtkmm/stock.h>
#include <gtkmm/table.h>
#include "pbd/gstdio_compat.h"
#include "pbd/error.h"
#include "pbd/convert.h"
#include "gtkmm2ext/keyboard.h"
#include "gtkmm2ext/utils.h"
#include "ardour/session_directory.h"
#include "ardour/profile.h"
#include "ardour/template_utils.h"
#include "ardour/session.h"
#include "ardour_ui.h"
#include "gui_thread.h"
#include "ardour/export_handler.h"
#include "ardour/export_status.h"
#include "ardour/export_timespan.h"
#include "ardour/export_channel_configuration.h"
#include "ardour/export_format_specification.h"
#include "ardour/export_filename.h"
#include "ardour/route.h"
#include "ardour/session_metadata.h"
#include "ardour/broadcast_info.h"
#include "opts.h"
#include "export_video_dialog.h"
#include "utils_videotl.h"
#include "pbd/i18n.h"
using namespace Gtk;
using namespace std;
using namespace PBD;
using namespace ARDOUR;
using namespace VideoUtils;
ExportVideoDialog::ExportVideoDialog ()
: ArdourDialog (_("Export Video File "))
, _aborted(false)
, _twopass(false)
, _firstpass(false)
, _normalize(false)
, _previous_progress(0)
, _transcoder(0)
, _video_source_aspect_ratio(-1)
, _suspend_signals(false)
, outfn_path_label (_("File:"), Gtk::ALIGN_LEFT)
, outfn_browse_button (_("Browse"))
, invid_path_label (_("Video:"), Gtk::ALIGN_LEFT)
, invid_browse_button (_("Browse"))
, transcode_button (_("Export"))
, abort_button (_("Abort"))
, progress_box (0)
, scale_checkbox (_("Scale Video (W x H):"))
, scale_aspect (_("Retain Aspect"))
, width_adjustment (768, 128, 1920, 1, 16, 0)
, width_spinner (width_adjustment)
, height_adjustment (576, 128, 1920, 1, 16, 0)
, height_spinner (height_adjustment)
, aspect_checkbox (_("Set Aspect Ratio:"))
, normalize_checkbox (_("Normalize Audio"))
, twopass_checkbox (_("2 Pass Encoding"))
, optimizations_checkbox (_("Codec Optimizations:"))
, optimizations_label ("-")
, deinterlace_checkbox (_("Deinterlace"))
, bframes_checkbox (_("Use [2] B-frames (MPEG 2 or 4 only)"))
, fps_checkbox (_("Override FPS (Default is to retain FPS from the input video file):"))
, meta_checkbox (_("Include Session Metadata"))
#if 1 /* tentative debug mode */
, debug_checkbox (_("Debug Mode: Print ffmpeg command and output to stdout."))
#endif
{
set_name ("ExportVideoDialog");
set_modal (true);
set_skip_taskbar_hint (true);
set_resizable (false);
Gtk::Label* l;
vbox = manage (new VBox);
VBox* options_box = manage (new VBox);
HBox* path_hbox;
/* check if ffmpeg can be found */
_transcoder = new TranscodeFfmpeg(X_(""));
if (!_transcoder->ffexec_ok()) {
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));
l->set_line_wrap();
vbox->pack_start (*l, false, false, 8);
get_vbox()->pack_start (*vbox, false, false);
add_button (Stock::OK, RESPONSE_CANCEL);
show_all_children ();
delete _transcoder; _transcoder = 0;
return;
}
delete _transcoder; _transcoder = 0;
l = manage (new Label (_("<b>Output:</b> (file extension defines format)"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
l->set_use_markup ();
vbox->pack_start (*l, false, false, 4);
path_hbox = manage (new HBox);
path_hbox->pack_start (outfn_path_label, false, false, 3);
path_hbox->pack_start (outfn_path_entry, true, true, 3);
path_hbox->pack_start (outfn_browse_button, false, false, 3);
vbox->pack_start (*path_hbox, false, false, 2);
l = manage (new Label (_("<b>Input Video:</b>"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
l->set_use_markup ();
vbox->pack_start (*l, false, false, 4);
path_hbox = manage (new HBox);
path_hbox->pack_start (invid_path_label, false, false, 3);
path_hbox->pack_start (invid_path_entry, true, true, 3);
path_hbox->pack_start (invid_browse_button, false, false, 3);
vbox->pack_start (*path_hbox, false, false, 2);
path_hbox = manage (new HBox);
l = manage (new Label (_("Audio:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
path_hbox->pack_start (*l, false, false, 3);
l = manage (new Label (_("Master Bus"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
path_hbox->pack_start (*l, false, false, 2);
vbox->pack_start (*path_hbox, false, false, 2);
outfn_path_entry.set_width_chars(38);
l = manage (new Label (_("<b>Settings:</b>"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
l->set_use_markup ();
options_box->pack_start (*l, false, true, 4);
Table* t = manage (new Table (4, 12));
t->set_spacings (4);
int ty = 0;
options_box->pack_start (*t, true, true, 4);
l = manage (new Label (_("Range:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
t->attach (*l, 0, 1, ty, ty+1);
t->attach (insnd_combo, 1, 4, ty, ty+1); ty++;
l = manage (new Label (_("Preset:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
t->attach (*l, 0, 1, ty, ty+1);
t->attach (preset_combo, 1, 4, ty, ty+1); ty++;
l = manage (new Label (_("Video Codec:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
t->attach (*l, 0, 1, ty, ty+1);
t->attach (video_codec_combo, 1, 2, ty, ty+1);
l = manage (new Label (_("Video KBit/s:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
t->attach (*l, 2, 3, ty, ty+1);
t->attach (video_bitrate_combo, 3, 4, ty, ty+1); ty++;
l = manage (new Label (_("Audio Codec:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
t->attach (*l, 0, 1, ty, ty+1);
t->attach (audio_codec_combo, 1, 2, ty, ty+1);
l = manage (new Label (_("Audio KBit/s:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
t->attach (*l, 2, 3, ty, ty+1);
t->attach (audio_bitrate_combo, 3, 4, ty, ty+1); ty++;
l = manage (new Label (_("Audio Samplerate:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
t->attach (*l, 0, 1, ty, ty+1);
t->attach (audio_samplerate_combo, 1, 2, ty, ty+1);
t->attach (normalize_checkbox, 2, 4, ty, ty+1); ty++;
t->attach (scale_checkbox, 0, 1, ty, ty+1);
t->attach (scale_aspect, 1, 2, ty, ty+1);
t->attach (width_spinner, 2, 3, ty, ty+1);
t->attach (height_spinner, 3, 4, ty, ty+1); ty++;
t->attach (fps_checkbox, 0, 3, ty, ty+1);
t->attach (fps_combo, 3, 4, ty, ty+1); ty++;
t->attach (twopass_checkbox, 0, 2, ty, ty+1);
t->attach (aspect_checkbox, 2, 3, ty, ty+1);
t->attach (aspect_combo, 3, 4, ty, ty+1); ty++;
t->attach (bframes_checkbox, 0, 2, ty, ty+1);
t->attach (deinterlace_checkbox, 2, 4, ty, ty+1); ty++;
t->attach (meta_checkbox, 2, 4, ty, ty+1); ty++;
t->attach (optimizations_checkbox, 0, 1, ty, ty+1);
t->attach (optimizations_label, 1, 4, ty, ty+1); ty++;
#if 1 /* tentative debug mode */
t->attach (debug_checkbox, 0, 4, ty, ty+1); ty++;
#endif
preset_combo.append_text("none");
preset_combo.append_text("dvd-mp2");
preset_combo.append_text("dvd-NTSC");
preset_combo.append_text("dvd-PAL");
preset_combo.append_text("flv");
preset_combo.append_text("mpeg4");
preset_combo.append_text("mp4/h264/aac");
preset_combo.append_text("ogg");
preset_combo.append_text("webm");
preset_combo.append_text("you-tube");
audio_codec_combo.append_text(_("(default for format)"));
audio_codec_combo.append_text("ac3");
audio_codec_combo.append_text("aac");
audio_codec_combo.append_text("libmp3lame");
audio_codec_combo.append_text("libvorbis");
audio_codec_combo.append_text("mp2");
audio_codec_combo.append_text("pcm_s16le");
video_codec_combo.append_text(_("(default for format)"));
video_codec_combo.append_text("flv");
video_codec_combo.append_text("libtheora");
video_codec_combo.append_text("mjpeg");
video_codec_combo.append_text("mpeg2video");
video_codec_combo.append_text("mpeg4");
video_codec_combo.append_text("h264");
video_codec_combo.append_text("vpx (webm)");
video_codec_combo.append_text("copy");
audio_bitrate_combo.append_text(_("(default)"));
audio_bitrate_combo.append_text("64k");
audio_bitrate_combo.append_text("128k");
audio_bitrate_combo.append_text("192k");
audio_bitrate_combo.append_text("256k");
audio_bitrate_combo.append_text("320k");
audio_samplerate_combo.append_text("22050");
audio_samplerate_combo.append_text("44100");
audio_samplerate_combo.append_text("48000");
video_bitrate_combo.append_text(_("(default)"));
video_bitrate_combo.append_text(_("(retain)"));
video_bitrate_combo.append_text("200k");
video_bitrate_combo.append_text("800k");
video_bitrate_combo.append_text("2000k");
video_bitrate_combo.append_text("5000k");
video_bitrate_combo.append_text("8000k");
fps_combo.append_text("23.976");
fps_combo.append_text("24");
fps_combo.append_text("24.976");
fps_combo.append_text("25");
fps_combo.append_text("29.97");
fps_combo.append_text("30");
fps_combo.append_text("59.94");
fps_combo.append_text("60");
aspect_combo.append_text("4:3");
aspect_combo.append_text("16:9");
vbox->pack_start (*options_box, false, true, 4);
get_vbox()->set_spacing (4);
get_vbox()->pack_start (*vbox, false, false);
progress_box = manage (new VBox);
progress_box->pack_start (pbar, false, false);
progress_box->pack_start (abort_button, false, false);
get_vbox()->pack_start (*progress_box, false, false);
scale_checkbox.signal_toggled().connect (sigc::mem_fun (*this, &ExportVideoDialog::scale_checkbox_toggled));
aspect_checkbox.signal_toggled().connect (sigc::mem_fun (*this, &ExportVideoDialog::aspect_checkbox_toggled));
fps_checkbox.signal_toggled().connect (sigc::mem_fun (*this, &ExportVideoDialog::fps_checkbox_toggled));
preset_combo.signal_changed().connect (sigc::mem_fun (*this, &ExportVideoDialog::preset_combo_changed));
video_codec_combo.signal_changed().connect (sigc::mem_fun (*this, &ExportVideoDialog::video_codec_combo_changed));
outfn_browse_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportVideoDialog::open_outfn_dialog));
invid_browse_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportVideoDialog::open_invid_dialog));
transcode_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportVideoDialog::launch_export));
abort_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportVideoDialog::abort_clicked));
invid_path_entry.signal_changed().connect (sigc::mem_fun (*this, &ExportVideoDialog::set_original_file_information));
width_spinner.signal_value_changed().connect (sigc::mem_fun (*this, &ExportVideoDialog::width_value_changed));
height_spinner.signal_value_changed().connect (sigc::mem_fun (*this, &ExportVideoDialog::height_value_changed));
cancel_button = add_button (Stock::CANCEL, RESPONSE_CANCEL);
get_action_area()->pack_start (transcode_button, false, false);
show_all_children ();
progress_box->set_no_show_all();
progress_box->hide();
}
ExportVideoDialog::~ExportVideoDialog ()
{
if (_transcoder) { delete _transcoder; _transcoder = 0;}
}
void
ExportVideoDialog::set_original_file_information()
{
assert(_transcoder == 0);
std::string infile = invid_path_entry.get_text();
if (scale_checkbox.get_active()) {
// user may have set custom values already, don't touch.
return;
}
if (infile == "" || !Glib::file_test(infile, Glib::FILE_TEST_EXISTS)) {
return;
}
_transcoder = new TranscodeFfmpeg(infile);
if (_transcoder->probe_ok()) {
_video_source_aspect_ratio = -1;
width_spinner.set_value(_transcoder->get_width());
height_spinner.set_value(_transcoder->get_height());
_video_source_aspect_ratio = _transcoder->get_aspect();
}
delete _transcoder; _transcoder = 0;
}
void
ExportVideoDialog::apply_state (TimeSelection &tme, bool range)
{
_suspend_dirty = true; // TODO really just queue 'dirty' and mark session dirty on "Export"
export_range = tme;
_video_source_aspect_ratio = -1;
outfn_path_entry.set_text (_session->session_directory().export_path() + G_DIR_SEPARATOR +"export.avi");
// TODO remember setting for export-range.. somehow, (let explicit range override)
sampleoffset_t av_offset = ARDOUR_UI::instance()->video_timeline->get_offset();
insnd_combo.remove_all ();
insnd_combo.append_text (_("from session start marker to session end marker"));
if (av_offset < 0 ) {
insnd_combo.append_text (_("from 00:00:00:00 to the video end"));
} else {
insnd_combo.append_text (_("from video start to video end"));
}
if (!export_range.empty()) {
insnd_combo.append_text (_("Selected range")); // TODO show export_range.start() -> export_range.end_sample()
}
if (range) {
insnd_combo.set_active(2);
} else {
insnd_combo.set_active(0);
}
preset_combo.set_active(0);
audio_codec_combo.set_active(0);
video_codec_combo.set_active(0);
audio_bitrate_combo.set_active(0);
audio_samplerate_combo.set_active(2);
video_bitrate_combo.set_active(0);
aspect_combo.set_active(1);
scale_checkbox.set_active(false);
scale_aspect.set_active(true);
aspect_checkbox.set_active(false);
normalize_checkbox.set_active(false);
twopass_checkbox.set_active(false);
optimizations_checkbox.set_active(false);
deinterlace_checkbox.set_active(false);
bframes_checkbox.set_active(false);
fps_checkbox.set_active(false);
meta_checkbox.set_active(false);
float tcfps = _session->timecode_frames_per_second();
XMLNode* node = _session->extra_xml (X_("Videotimeline"));
bool filenameset = false;
if (node) {
std::string filename;
if (node->get_property(X_("OriginalVideoFile"), filename)) {
if (Glib::file_test(filename, Glib::FILE_TEST_EXISTS)) {
invid_path_entry.set_text (filename);
filenameset = true;
}
}
bool local_file;
if (!filenameset && node->get_property (X_("Filename"), filename) &&
node->get_property (X_("LocalFile"), local_file) && local_file) {
if (filename.at(0) != G_DIR_SEPARATOR)
{
filename = Glib::build_filename (_session->session_directory().video_path(), filename);
}
if (Glib::file_test(filename, Glib::FILE_TEST_EXISTS))
{
invid_path_entry.set_text (filename);
filenameset = true;
}
}
}
if (!filenameset) {
invid_path_entry.set_text (X_(""));
}
node = _session->extra_xml (X_("Videoexport"));
if (node) {
bool yn;
if (node->get_property (X_("ChangeGeometry"), yn)) {
scale_checkbox.set_active (yn);
}
if (node->get_property (X_("KeepAspect"), yn)) {
scale_aspect.set_active (yn);
}
if (node->get_property (X_("ChangeAspect"), yn)) {
aspect_checkbox.set_active (yn);
}
if (node->get_property (X_("NormalizeAudio"), yn)) {
normalize_checkbox.set_active (yn);
}
if (node->get_property (X_("TwoPassEncode"), yn)) {
twopass_checkbox.set_active (yn);
}
if (node->get_property (X_("CodecOptimzations"), yn)) {
optimizations_checkbox.set_active (yn);
}
if (node->get_property (X_("Deinterlace"), yn)) {
deinterlace_checkbox.set_active (yn);
}
if (node->get_property (X_("BSamples"), yn)) {
bframes_checkbox.set_active (yn);
}
if (node->get_property (X_("ChangeFPS"), yn)) {
fps_checkbox.set_active (yn);
}
if (node->get_property (X_("Metadata"), yn)) {
meta_checkbox.set_active (yn);
}
std::string str;
if (node->get_property (X_("Format"), str) && !str.empty()) {
change_file_extension ("." + str);
}
_suspend_signals = true;
double val;
if (node->get_property (X_("Width"), val)) {
width_spinner.set_value (val);
}
if (node->get_property (X_("Height"), val)) {
height_spinner.set_value (val);
}
_suspend_signals = false;
if (fps_checkbox.get_active () && node->get_property (X_("FPS"), val)) {
tcfps = val;
}
if (node->get_property (X_("Preset"), str)) {
preset_combo.set_active_text (str);
}
if (node->get_property (X_("VCodec"), str)) {
video_codec_combo.set_active_text (str);
}
if (node->get_property (X_("ACodec"), str)) {
audio_codec_combo.set_active_text (str);
}
if (node->get_property (X_("VBitrate"), str)) {
video_bitrate_combo.set_active_text (str);
}
if (node->get_property (X_("ABitrate"), str)) {
audio_bitrate_combo.set_active_text (str);
}
if (node->get_property (X_("AspectRatio"), str)) {
aspect_combo.set_active_text (str);
}
if (node->get_property (X_("SampleRate"), str)) {
audio_samplerate_combo.set_active_text (str);
}
}
if (fabs(tcfps - 23.976) < 0.01) { fps_combo.set_active(0); }
else if (fabs(tcfps - 24.0 ) < 0.01) { fps_combo.set_active(1); }
else if (fabs(tcfps - 24.976) < 0.01) { fps_combo.set_active(2); }
else if (fabs(tcfps - 25.0 ) < 0.01) { fps_combo.set_active(3); }
else if (fabs(tcfps - 29.97 ) < 0.01) { fps_combo.set_active(4); }
else if (fabs(tcfps - 30.0 ) < 0.01) { fps_combo.set_active(5); }
else if (fabs(tcfps - 59.94 ) < 0.01) { fps_combo.set_active(6); }
else if (fabs(tcfps - 60.0 ) < 0.01) { fps_combo.set_active(7); }
else { fps_combo.set_active(5); }
set_original_file_information();
/* update sensitivity */
scale_checkbox_toggled();
aspect_checkbox_toggled();
fps_checkbox_toggled();
video_codec_combo_changed();
_suspend_dirty = false;
show_all_children ();
if (progress_box) {
progress_box->hide();
}
}
XMLNode&
ExportVideoDialog::get_state ()
{
XMLNode* node = new XMLNode (X_("Videoexport"));
node->set_property (X_("ChangeGeometry"), scale_checkbox.get_active());
node->set_property (X_("KeepAspect"), scale_aspect.get_active());
node->set_property (X_("ChangeAspect"), aspect_checkbox.get_active());
node->set_property (X_("NormalizeAudio"), normalize_checkbox.get_active());
node->set_property (X_("TwoPassEncode"), twopass_checkbox.get_active());
node->set_property (X_("CodecOptimzations"), optimizations_checkbox.get_active());
node->set_property (X_("Deinterlace"), deinterlace_checkbox.get_active());
node->set_property (X_("BSamples"), bframes_checkbox.get_active());
node->set_property (X_("ChangeFPS"), fps_checkbox.get_active());
node->set_property (X_("Metadata"), meta_checkbox.get_active());
node->set_property (X_("Format"), get_file_extension(outfn_path_entry.get_text()));
node->set_property (X_("Width"), width_spinner.get_value());
node->set_property (X_("Height"), height_spinner.get_value());
node->set_property (X_("Preset"), preset_combo.get_active_text());
node->set_property (X_("VCodec"), video_codec_combo.get_active_text());
node->set_property (X_("ACodec"), audio_codec_combo.get_active_text());
node->set_property (X_("VBitrate"), video_bitrate_combo.get_active_text());
node->set_property (X_("ABitrate"), audio_bitrate_combo.get_active_text());
node->set_property (X_("AspectRatio"), aspect_combo.get_active_text());
node->set_property (X_("SampleRate"), audio_samplerate_combo.get_active_text());
node->set_property (X_("FPS"), fps_combo.get_active_text());
return *node;
}
void
ExportVideoDialog::set_state (const XMLNode &)
{
}
void
ExportVideoDialog::on_show ()
{
Dialog::on_show ();
}
void
ExportVideoDialog::abort_clicked ()
{
_aborted = true;
if (_transcoder) {
_transcoder->cancel();
}
}
void
ExportVideoDialog::update_progress (samplecnt_t c, samplecnt_t a)
{
if (a == 0 || c > a) {
pbar.set_pulse_step(.1);
pbar.pulse();
} else {
double progress = (double)c / (double) a;
progress = progress / ((_twopass ? 2.0 : 1.0) + (_normalize ? 2.0 : 1.0));
if (_normalize && _twopass) progress += (_firstpass ? .5 : .75);
else if (_normalize) progress += 2.0/3.0;
else if (_twopass) progress += (_firstpass ? 1.0/3.0 : 2.0/3.0);
else progress += .5;
pbar.set_fraction (progress);
}
}
gint
ExportVideoDialog::audio_progress_display ()
{
std::string status_text;
double progress = -1.0;
switch (status->active_job) {
case ExportStatus::Normalizing:
pbar.set_text (_("Normalizing audio"));
progress = ((float) status->current_postprocessing_cycle) / status->total_postprocessing_cycles;
progress = progress / (_twopass ? 4.0 : 3.0) + (_twopass ? .25 : 1.0 / 3.0);
break;
case ExportStatus::Exporting:
pbar.set_text (_("Exporting audio"));
progress = ((float) status->processed_samples_current_timespan) / status->total_samples_current_timespan;
progress = progress / ((_twopass ? 2.0 : 1.0) + (_normalize ? 2.0 : 1.0));
break;
default:
pbar.set_text (_("Exporting audio"));
break;
}
if (progress < _previous_progress) {
// Work around gtk bug
pbar.hide();
pbar.show();
}
_previous_progress = progress;
if (progress >= 0) {
pbar.set_fraction (progress);
} else {
pbar.set_pulse_step(.1);
pbar.pulse();
}
return TRUE;
}
void
ExportVideoDialog::finished ()
{
if (_aborted) {
::g_unlink(outfn_path_entry.get_text().c_str());
::g_unlink (_insnd.c_str());
delete _transcoder; _transcoder = 0;
Gtk::Dialog::response(RESPONSE_CANCEL);
} else if (_twopass && _firstpass) {
_firstpass = false;
if (_transcoder) { delete _transcoder; _transcoder = 0;}
encode_pass(2);
} else {
if (twopass_checkbox.get_active()) {
std::string outfn = outfn_path_entry.get_text();
std::string p2log = Glib::path_get_dirname (outfn) + G_DIR_SEPARATOR + "ffmpeg2pass";
::g_unlink (p2log.c_str());
}
::g_unlink (_insnd.c_str());
delete _transcoder; _transcoder = 0;
Gtk::Dialog::response(RESPONSE_ACCEPT);
}
}
void
ExportVideoDialog::launch_export ()
{
/* remember current settings.
* needed because apply_state() acts on both:
* "Videotimeline" and "Video Export" extra XML
* as well as current _session settings
*/
_session->add_extra_xml (get_state());
std::string outfn = outfn_path_entry.get_text();
if (!confirm_video_outfn(*this, outfn)) { return; }
vbox->hide();
cancel_button->hide();
transcode_button.hide();
pbar.set_size_request(300,-1);
pbar.set_text(_("Exporting Audio..."));
progress_box->show();
_aborted = false;
_twopass = twopass_checkbox.get_active();
_firstpass = true;
_normalize = normalize_checkbox.get_active();
/* export audio track */
ExportTimespanPtr tsp = _session->get_export_handler()->add_timespan();
boost::shared_ptr<ExportChannelConfiguration> ccp = _session->get_export_handler()->add_channel_config();
boost::shared_ptr<ARDOUR::ExportFilename> fnp = _session->get_export_handler()->add_filename();
boost::shared_ptr<AudioGrapher::BroadcastInfo> b;
XMLTree tree;
std::string vtl_samplerate = audio_samplerate_combo.get_active_text();
std::string vtl_normalize = _normalize ? "true" : "false";
tree.read_buffer(std::string (
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
"<ExportFormatSpecification name=\"VTL-WAV-16\" id=\"3094591e-ccb9-4385-a93f-c9955ffeb1f0\">"
" <Encoding id=\"F_WAV\" type=\"T_Sndfile\" extension=\"wav\" name=\"WAV\" has-sample-format=\"true\" channel-limit=\"256\"/>"
" <SampleRate rate=\""+ vtl_samplerate +"\"/>"
" <SRCQuality quality=\"SRC_SincBest\"/>"
" <EncodingOptions>"
" <Option name=\"sample-format\" value=\"SF_16\"/>"
" <Option name=\"dithering\" value=\"D_None\"/>"
" <Option name=\"tag-metadata\" value=\"true\"/>"
" <Option name=\"tag-support\" value=\"false\"/>"
" <Option name=\"broadcast-info\" value=\"false\"/>"
" </EncodingOptions>"
" <Processing>"
" <Normalize enabled=\""+ vtl_normalize +"\" target=\"0\"/>"
" <Silence>"
" <Start>"
" <Trim enabled=\"false\"/>"
" <Add enabled=\"false\">"
" <Duration format=\"Timecode\" hours=\"0\" minutes=\"0\" seconds=\"0\" frames=\"0\"/>"
" </Add>"
" </Start>"
" <End>"
" <Trim enabled=\"false\"/>"
" <Add enabled=\"false\">"
" <Duration format=\"Timecode\" hours=\"0\" minutes=\"0\" seconds=\"0\" frames=\"0\"/>"
" </Add>"
" </End>"
" </Silence>"
" </Processing>"
"</ExportFormatSpecification>"
).c_str());
boost::shared_ptr<ExportFormatSpecification> fmp = _session->get_export_handler()->add_format(*tree.root());
/* set up range */
samplepos_t start, end;
start = end = 0;
if (insnd_combo.get_active_row_number() == 1) {
_transcoder = new TranscodeFfmpeg(invid_path_entry.get_text());
if (_transcoder->probe_ok() && _transcoder->get_fps() > 0) {
end = _transcoder->get_duration() * _session->nominal_sample_rate() / _transcoder->get_fps();
} else {
warning << _("Export Video: Cannot query duration of video-file, using duration from timeline instead.") << endmsg;
end = ARDOUR_UI::instance()->video_timeline->get_duration();
}
if (_transcoder) {delete _transcoder; _transcoder = 0;}
sampleoffset_t av_offset = ARDOUR_UI::instance()->video_timeline->get_offset();
#if 0 /* DEBUG */
printf("audio-range -- AV offset: %lld\n", av_offset);
#endif
if (av_offset > 0) {
start = av_offset;
}
end += av_offset;
}
else if (insnd_combo.get_active_row_number() == 2) {
start = ARDOUR_UI::instance()->video_timeline->quantify_samples_to_apv(export_range.start_sample());
end = ARDOUR_UI::instance()->video_timeline->quantify_samples_to_apv(export_range.end_sample());
}
if (end <= 0) {
start = _session->current_start_sample();
end = _session->current_end_sample();
}
#if 0 /* DEBUG */
printf("audio export-range %lld -> %lld\n", start, end);
#endif
const sampleoffset_t vstart = ARDOUR_UI::instance()->video_timeline->get_offset();
const sampleoffset_t vend = vstart + ARDOUR_UI::instance()->video_timeline->get_duration();
if ( (start >= end) || (end < vstart) || (start > vend)) {
warning << _("Export Video: export-range does not include video.") << endmsg;
delete _transcoder; _transcoder = 0;
Gtk::Dialog::response(RESPONSE_CANCEL);
return;
}
tsp->set_range (start, end);
tsp->set_name ("mysession");
tsp->set_range_id ("session");
/* add master outs as default */
IO* master_out = _session->master_out()->output().get();
if (!master_out) {
warning << _("Export Video: No Master Out Ports to Connect for Audio Export") << endmsg;
delete _transcoder; _transcoder = 0;
Gtk::Dialog::response(RESPONSE_CANCEL);
return;
}
for (uint32_t n = 0; n < master_out->n_ports().n_audio(); ++n) {
PortExportChannel * channel = new PortExportChannel ();
channel->add_port (master_out->audio (n));
ExportChannelPtr chan_ptr (channel);
ccp->register_channel (chan_ptr);
}
/* outfile */
fnp->set_timespan(tsp);
fnp->set_label("vtl");
fnp->include_label = true;
_insnd = fnp->get_path(fmp);
/* do sound export */
fmp->set_soundcloud_upload(false);
_session->get_export_handler()->reset ();
_session->get_export_handler()->add_export_config (tsp, ccp, fmp, fnp, b);
_session->get_export_handler()->do_export();
status = _session->get_export_status ();
audio_progress_connection = Glib::signal_timeout().connect (sigc::mem_fun(*this, &ExportVideoDialog::audio_progress_display), 100);
_previous_progress = 0.0;
while (status->running ()) {
if (_aborted) { status->abort(); }
if (gtk_events_pending()) {
gtk_main_iteration ();
} else {
Glib::usleep (10000);
}
}
audio_progress_connection.disconnect();
status->finish (TRS_UI);
if (status->aborted()) {
::g_unlink (_insnd.c_str());
delete _transcoder; _transcoder = 0;
Gtk::Dialog::response(RESPONSE_CANCEL);
return;
}
pbar.set_text (_("Encoding Video..."));
encode_pass(1);
}
void
ExportVideoDialog::encode_pass (int pass)
{
std::string outfn = outfn_path_entry.get_text();
std::string invid = invid_path_entry.get_text();
_transcoder = new TranscodeFfmpeg(invid);
if (!_transcoder->ffexec_ok()) {
/* ffmpeg binary was not found. TranscodeFfmpeg prints a warning */
::g_unlink (_insnd.c_str());
delete _transcoder; _transcoder = 0;
Gtk::Dialog::response(RESPONSE_CANCEL);
return;
}
if (!_transcoder->probe_ok()) {
/* video input file can not be read */
warning << _("Export Video: Video input file cannot be read.") << endmsg;
::g_unlink (_insnd.c_str());
delete _transcoder; _transcoder = 0;
Gtk::Dialog::response(RESPONSE_CANCEL);
return;
}
std::string preset = preset_combo.get_active_text();
TranscodeFfmpeg::FFSettings ffs ; /* = transcoder->default_encoder_settings(); */
ffs.clear();
if (fps_checkbox.get_active()) {
ffs["-r"] = fps_combo.get_active_text();
_transcoder->set_fps(atof(fps_combo.get_active_text()));
}
if (scale_checkbox.get_active()) {
ffs["-s"] = string_compose("%1x%2", width_spinner.get_value(), height_spinner.get_value());
}
if (video_codec_combo.get_active_text() != _("(default for format)")) {
ffs["-vcodec"] = video_codec_combo.get_active_text();
}
if (audio_codec_combo.get_active_text() != _("(default for format)")) {
ffs["-acodec"] = audio_codec_combo.get_active_text();
}
if (video_bitrate_combo.get_active_text() == _("(default)") ) {
;
}
else if (video_bitrate_combo.get_active_text() == _("(retain)") ) {
ffs["-qscale"] = "0";
} else {
ffs["-b:v"] = video_bitrate_combo.get_active_text();
}
if (audio_bitrate_combo.get_active_text() != _("(default)") ) {
ffs["-b:a"] = audio_bitrate_combo.get_active_text();
}
if (audio_codec_combo.get_active_text() == "aac" ) {
ffs["-strict"] = "-2";
}
if (video_codec_combo.get_active_text() == "h264" ) {
ffs["-vcodec"] = "libx264";
}
else if (video_codec_combo.get_active_text() == "vpx (webm)" ) {
ffs["-vcodec"] = "libvpx";
ffs["-g"] = "120";
ffs["-qmin"] = "11";
ffs["-qmax"] = "51";
}
if (optimizations_checkbox.get_active()) {
if (video_codec_combo.get_active_text() == "mpeg2video") {
ffs["-mbd"] = "rd";
ffs["-trellis"] = "2";
ffs["-cmp"] = "2";
ffs["-subcmp"] = "2";
}
else if (video_codec_combo.get_active_text() == "mpeg4") {
ffs["-mbd"] = "rd";
ffs["-flags"] = "+mv4+aic";
ffs["-trellis"] = "2";
ffs["-cmp"] = "2";
ffs["-subcmp"] = "2";
ffs["-g"] = "300";
}
else if (video_codec_combo.get_active_text() == "flv") {
ffs["-mbd"] = "2";
ffs["-cmp"] = "2";
ffs["-subcmp"] = "2";
ffs["-trellis"] = "2";
ffs["-flags"] = "+aic+mv0+mv4";
ffs["-g"] = "160";
}
}
if (bframes_checkbox.get_active() && (
video_codec_combo.get_active_text() == "mpeg2video"
|| video_codec_combo.get_active_text() == "mpeg4"
)) {
ffs["-bf"] = "2";
}
if (preset == "dvd-PAL") {
ffs.clear(); /* ignore all prev settings */
ffs["-target"] = "pal-dvd";
ffs["-aspect"] = "4:3"; /* required for DVD - may be overridden below */
}
else if (preset == "dvd-NTSC") {
ffs.clear(); /* ignore all prev settings */
ffs["-target"] = "ntsc-dvd";
ffs["-aspect"] = "4:3"; /* required for DVD - may be overridden below */
}
if (aspect_checkbox.get_active()) {
ffs["-aspect"] = aspect_combo.get_active_text();
}
if (deinterlace_checkbox.get_active()) {
ffs["-deinterlace"] = "-y"; // we use '-y' as dummy parameter for non key/value options
}
bool map = true;
if (pass == 1 && _twopass) {
pbar.set_text (_("Encoding Video.. Pass 1/2"));
map = false;
ffs["-pass"] = "1";
ffs["-an"] = "-y";
ffs["-passlogfile"] = Glib::path_get_dirname (outfn) + G_DIR_SEPARATOR + "ffmpeg2pass";
ffs["-f"] = get_file_extension(invid).empty()?"mov":get_file_extension(invid);
#ifdef PLATFORM_WINDOWS
outfn = "NUL";
#else
outfn = "/dev/null";
#endif
} else if (pass == 2) {
pbar.set_text (_("Encoding Video.. Pass 2/2"));
ffs["-pass"] = "2";
ffs["-passlogfile"] = Glib::path_get_dirname (outfn) + G_DIR_SEPARATOR + "ffmpeg2pass";
}
sampleoffset_t av_offset = ARDOUR_UI::instance()->video_timeline->get_offset();
double duration_s = 0;
if (insnd_combo.get_active_row_number() == 0) {
/* session start to session end */
samplecnt_t duration_f = _session->current_end_sample() - _session->current_start_sample();
duration_s = (double)duration_f / (double)_session->nominal_sample_rate();
} else if (insnd_combo.get_active_row_number() == 2) {
/* selected range */
duration_s = export_range.length_samples() / (double)_session->nominal_sample_rate();
} else {
/* video start to end */
samplecnt_t duration_f = ARDOUR_UI::instance()->video_timeline->get_duration();
if (av_offset < 0 ) {
duration_f += av_offset;
}
duration_s = (double)duration_f / (double)_session->nominal_sample_rate();
}
std::ostringstream osstream; osstream << duration_s;
ffs["-t"] = osstream.str();
_transcoder->set_duration(duration_s * _transcoder->get_fps());
if (insnd_combo.get_active_row_number() == 0 || insnd_combo.get_active_row_number() == 2) {
samplepos_t start, snend;
const sampleoffset_t vid_duration = ARDOUR_UI::instance()->video_timeline->get_duration();
if (insnd_combo.get_active_row_number() == 0) {
start = _session->current_start_sample();
snend = _session->current_end_sample();
} else {
start = export_range.start_sample();
snend = export_range.end_sample();
}
#if 0 /* DEBUG */
printf("AV offset: %lld Vid-len: %lld Vid-end: %lld || start:%lld || end:%lld\n",
av_offset, vid_duration, av_offset+vid_duration, start, snend); // XXX
#endif
if (av_offset > start && av_offset + vid_duration < snend) {
_transcoder->set_leadinout((av_offset - start) / (double)_session->nominal_sample_rate(),
(snend - (av_offset + vid_duration)) / (double)_session->nominal_sample_rate());
} else if (av_offset > start) {
_transcoder->set_leadinout((av_offset - start) / (double)_session->nominal_sample_rate(), 0);
} else if (av_offset + vid_duration < snend) {
_transcoder->set_leadinout(0, (snend - (av_offset + vid_duration)) / (double)_session->nominal_sample_rate());
_transcoder->set_avoffset((av_offset - start) / (double)_session->nominal_sample_rate());
}
#if 0
else if (start > av_offset) {
std::ostringstream osstream; osstream << ((start - av_offset) / (double)_session->nominal_sample_rate());
ffs["-ss"] = osstream.str();
}
#endif
else {
_transcoder->set_avoffset((av_offset - start) / (double)_session->nominal_sample_rate());
}
} else if (av_offset < 0) {
/* from 00:00:00:00 to video-end */
_transcoder->set_avoffset(av_offset / (double)_session->nominal_sample_rate());
}
/* NOTE: type (MetaDataMap) == type (FFSettings) == map<string, string> */
ARDOUR::SessionMetadata::MetaDataMap meta = _transcoder->default_meta_data();
if (meta_checkbox.get_active()) {
ARDOUR::SessionMetadata * session_data = ARDOUR::SessionMetadata::Metadata();
session_data->av_export_tag (meta);
}
#if 1 /* tentative debug mode */
if (debug_checkbox.get_active()) {
_transcoder->set_debug(true);
}
#endif
_transcoder->Progress.connect(*this, invalidator (*this), boost::bind (&ExportVideoDialog::update_progress , this, _1, _2), gui_context());
_transcoder->Finished.connect(*this, invalidator (*this), boost::bind (&ExportVideoDialog::finished, this), gui_context());
if (!_transcoder->encode(outfn, _insnd, invid, ffs, meta, map)) {
ARDOUR_UI::instance()->popup_error(_("Transcoding failed."));
delete _transcoder; _transcoder = 0;
Gtk::Dialog::response(RESPONSE_CANCEL);
return;
}
}
void
ExportVideoDialog::change_file_extension (std::string ext)
{
if (ext == "") return;
outfn_path_entry.set_text (
strip_file_extension(outfn_path_entry.get_text()) + ext
);
}
void
ExportVideoDialog::width_value_changed ()
{
if (_suspend_signals) {
return;
}
if (_session && !_suspend_dirty) _session->set_dirty ();
if (!scale_checkbox.get_active() || !scale_aspect.get_active()) {
return;
}
if (_video_source_aspect_ratio <= 0) {
return;
}
_suspend_signals = true;
height_spinner.set_value(rintf(width_spinner.get_value() / _video_source_aspect_ratio));
_suspend_signals = false;
}
void
ExportVideoDialog::height_value_changed ()
{
if (_suspend_signals) {
return;
}
if (_session && !_suspend_dirty) _session->set_dirty ();
if (!scale_checkbox.get_active() || !scale_aspect.get_active()) {
return;
}
if (_video_source_aspect_ratio <= 0) {
return;
}
_suspend_signals = true;
width_spinner.set_value(rintf(height_spinner.get_value() * _video_source_aspect_ratio));
_suspend_signals = false;
}
void
ExportVideoDialog::scale_checkbox_toggled ()
{
scale_aspect.set_sensitive(scale_checkbox.get_active());
width_spinner.set_sensitive(scale_checkbox.get_active());
height_spinner.set_sensitive(scale_checkbox.get_active());
if (_session && !_suspend_dirty) _session->set_dirty ();
}
void
ExportVideoDialog::fps_checkbox_toggled ()
{
fps_combo.set_sensitive(fps_checkbox.get_active());
if (_session && !_suspend_dirty) _session->set_dirty ();
}
void
ExportVideoDialog::aspect_checkbox_toggled ()
{
aspect_combo.set_sensitive(aspect_checkbox.get_active());
if (_session && !_suspend_dirty) _session->set_dirty ();
}
void
ExportVideoDialog::video_codec_combo_changed ()
{
if (( video_codec_combo.get_active_text() == "mpeg4"
||video_codec_combo.get_active_text() == "mpeg2video"
) && !(
preset_combo.get_active_text() == "dvd-PAL"
||preset_combo.get_active_text() == "dvd-NTSC"
)) {
bframes_checkbox.set_sensitive(true);
optimizations_checkbox.set_sensitive(true);
if (video_codec_combo.get_active_text() == "mpeg2video") {
optimizations_label.set_text("-mbd rd -trellis 2 -cmp 2 -subcmp 2"); // mpeg2
} else if (video_codec_combo.get_active_text() == "mpeg4") {
optimizations_label.set_text("-mbd rd -flags +mv4+aic -trellis 2 -cmp 2 -subcmp 2 -g 300"); // mpeg4
} else {
optimizations_label.set_text("-mbd 2 -cmp 2 -subcmp 2 -trellis 2 -flags +aic+mv0+mv4 -g 160"); // flv
}
} else {
bframes_checkbox.set_sensitive(false);
bframes_checkbox.set_active(false);
optimizations_checkbox.set_sensitive(false);
optimizations_checkbox.set_active(false);
optimizations_label.set_text("-");
}
if (_session && !_suspend_dirty) _session->set_dirty ();
}
void
ExportVideoDialog::preset_combo_changed ()
{
std::string p = preset_combo.get_active_text();
scale_checkbox.set_sensitive(true);
if (p == "flv") {
change_file_extension(".flv");
audio_codec_combo.set_active(2);
video_codec_combo.set_active(1);
audio_bitrate_combo.set_active(2);
video_bitrate_combo.set_active(3);
audio_samplerate_combo.set_active(1);
}
else if (p == "you-tube") {
change_file_extension(".avi");
audio_codec_combo.set_active(3);
video_codec_combo.set_active(6);
audio_bitrate_combo.set_active(2);
video_bitrate_combo.set_active(4);
if (_session->nominal_sample_rate() == 48000 || _session->nominal_sample_rate() == 96000) {
audio_samplerate_combo.set_active(2);
} else {
audio_samplerate_combo.set_active(1);
}
}
else if (p == "ogg") {
change_file_extension(".ogv");
audio_codec_combo.set_active(4);
video_codec_combo.set_active(2);
audio_bitrate_combo.set_active(3);
video_bitrate_combo.set_active(4);
if (_session->nominal_sample_rate() == 48000 || _session->nominal_sample_rate() == 96000) {
audio_samplerate_combo.set_active(2);
} else {
audio_samplerate_combo.set_active(1);
}
}
else if (p == "webm") {
change_file_extension(".webm");
audio_codec_combo.set_active(4);
video_codec_combo.set_active(7);
audio_bitrate_combo.set_active(3);
video_bitrate_combo.set_active(4);
if (_session->nominal_sample_rate() == 48000 || _session->nominal_sample_rate() == 96000) {
audio_samplerate_combo.set_active(2);
} else {
audio_samplerate_combo.set_active(1);
}
}
else if (p == "dvd-mp2") {
change_file_extension(".mpg");
audio_codec_combo.set_active(5);
video_codec_combo.set_active(4);
audio_bitrate_combo.set_active(4);
video_bitrate_combo.set_active(5);
audio_samplerate_combo.set_active(2);
}
else if (p == "dvd-NTSC" || p == "dvd-PAL") {
change_file_extension(".mpg");
audio_codec_combo.set_active(6);
video_codec_combo.set_active(4);
audio_bitrate_combo.set_active(4);
video_bitrate_combo.set_active(5);
audio_samplerate_combo.set_active(2);
scale_checkbox.set_active(false);
scale_checkbox.set_sensitive(false);
}
else if (p == "mpeg4") {
change_file_extension(".mp4");
audio_codec_combo.set_active(1);
video_codec_combo.set_active(5);
audio_bitrate_combo.set_active(4);
video_bitrate_combo.set_active(5);
if (_session->nominal_sample_rate() == 48000 || _session->nominal_sample_rate() == 96000) {
audio_samplerate_combo.set_active(2);
} else {
audio_samplerate_combo.set_active(1);
}
}
else if (p == "mp4/h264/aac") {
change_file_extension(".mp4");
audio_codec_combo.set_active(2);
video_codec_combo.set_active(6);
audio_bitrate_combo.set_active(0);
video_bitrate_combo.set_active(0);
if (_session->nominal_sample_rate() == 48000 || _session->nominal_sample_rate() == 96000) {
audio_samplerate_combo.set_active(2);
} else {
audio_samplerate_combo.set_active(1);
}
}
if (p == "none") {
audio_codec_combo.set_sensitive(true);
video_codec_combo.set_sensitive(true);
audio_bitrate_combo.set_sensitive(true);
video_bitrate_combo.set_sensitive(true);
audio_samplerate_combo.set_sensitive(true);
} else {
audio_codec_combo.set_sensitive(false);
video_codec_combo.set_sensitive(false);
audio_bitrate_combo.set_sensitive(false);
video_bitrate_combo.set_sensitive(false);
audio_samplerate_combo.set_sensitive(false);
}
Gtk::Table *t = (Gtk::Table*) preset_combo.get_parent();
Gtk::Table_Helpers::TableList c = t->children();
Gtk::Table_Helpers::TableList::iterator it;
if (p == "dvd-PAL" || p == "dvd-NTSC") {
for (it = c.begin(); it != c.end(); ++it) {
int row = it->get_top_attach();
if (row == 2 || row == 3 || row== 5 || row== 6 || row == 9) {
it->get_widget()->hide();
}
}
} else {
for (it = c.begin(); it != c.end(); ++it) {
int row = it->get_top_attach();
if (row == 2 || row == 3 || row== 5 || row== 6 || row == 9) {
it->get_widget()->show();
}
}
}
video_codec_combo_changed();
}
void
ExportVideoDialog::open_outfn_dialog ()
{
Gtk::FileChooserDialog dialog(_("Save Exported Video File"), Gtk::FILE_CHOOSER_ACTION_SAVE);
Gtkmm2ext::add_volume_shortcuts (dialog);
dialog.set_filename (outfn_path_entry.get_text());
dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
dialog.add_button(Gtk::Stock::OK, Gtk::RESPONSE_OK);
int result = dialog.run();
if (result == Gtk::RESPONSE_OK) {
std::string filename = dialog.get_filename();
if (filename.length()) {
outfn_path_entry.set_text (filename);
}
}
}
void
ExportVideoDialog::open_invid_dialog ()
{
Gtk::FileChooserDialog dialog(_("Save Exported Video File"), Gtk::FILE_CHOOSER_ACTION_SAVE);
Gtkmm2ext::add_volume_shortcuts (dialog);
dialog.set_filename (invid_path_entry.get_text());
dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
dialog.add_button(Gtk::Stock::OK, Gtk::RESPONSE_OK);
int result = dialog.run();
if (result == Gtk::RESPONSE_OK) {
std::string filename = dialog.get_filename();
if (filename.length()) {
invid_path_entry.set_text (filename);
}
}
}
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