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livetrax/gtk2_ardour/transcode_video_dialog.cc

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/*
Copyright (C) 2010,2013 Paul Davis
Author: Robin Gareus <robin@gareus.org>
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., 675 Mass Ave, Cambridge, MA 02139, 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 <pbd/gstdio_compat.h>
#include "pbd/error.h"
#include "pbd/convert.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 "opts.h"
#include "transcode_video_dialog.h"
#include "utils_videotl.h"
#include "i18n.h"
using namespace Gtk;
using namespace std;
using namespace PBD;
using namespace ARDOUR;
using namespace VideoUtils;
TranscodeVideoDialog::TranscodeVideoDialog (Session* s, std::string infile)
: ArdourDialog (_("Transcode/Import Video File "))
, infn (infile)
, path_label (_("Output File:"), Gtk::ALIGN_LEFT)
, browse_button (_("Browse"))
, transcode_button (_("OK"))
, abort_button (_("Abort"))
, progress_label ()
, aspect_checkbox (_("Height = "))
, height_adjustment (128, 0, 1920, 1, 16, 0)
, height_spinner (height_adjustment)
, ltc_detect (_("Extract LTC from audio and align video"))
, bitrate_checkbox (_("Manual Override"))
, bitrate_adjustment (2000, 500, 10000, 10, 100, 0)
, bitrate_spinner (bitrate_adjustment)
#if 1 /* tentative debug mode */
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, debug_checkbox (_("Debug Mode: Print ffmpeg command and output to stdout."))
#endif
{
set_session (s);
transcoder = new TranscodeFfmpeg(infile);
audiofile = "";
pending_audio_extract = false;
aborted = false;
set_name ("TranscodeVideoDialog");
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 = manage (new HBox);
int w = 0, h = 0;
m_aspect = 4.0/3.0;
TranscodeFfmpeg::FFAudioStreams as; as.clear();
path_hbox->pack_start (path_label, false, false, 3);
path_hbox->pack_start (path_entry, true, true, 3);
path_hbox->pack_start (browse_button, false, false, 3);
browse_button.set_name ("PaddedButton");
path_entry.set_width_chars(38);
height_spinner.set_sensitive(false);
bitrate_spinner.set_sensitive(false);
std::string dstdir = video_dest_dir(_session->session_directory().video_path(), video_get_docroot(Config));
std::string dstfn = video_dest_file(dstdir, infile);
path_entry.set_text (dstfn);
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l = manage (new Label (_("<b>File Information</b>"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
l->set_use_markup ();
options_box->pack_start (*l, false, true, 4);
bool ffok = false;
if (!transcoder->ffexec_ok()) {
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l = manage (new Label (_("No ffprobe or ffmpeg executables could be found on this system. Video Import is not possible until you install those tools. See the Log window for more information."), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
l->set_line_wrap();
options_box->pack_start (*l, false, true, 4);
aspect_checkbox.set_sensitive(false);
bitrate_checkbox.set_sensitive(false);
}
else if (!transcoder->probe_ok()) {
l = manage (new Label (string_compose(_("File-info can not be read. Most likely '%1' is not a valid video-file or an unsupported video codec or format."), infn), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
options_box->pack_start (*l, false, true, 4);
aspect_checkbox.set_sensitive(false);
bitrate_checkbox.set_sensitive(false);
} else {
w = transcoder->get_width();
h = transcoder->get_height();
as = transcoder->get_audio();
m_aspect = transcoder->get_aspect();
if (w > 0 && h > 0 && transcoder->get_fps() > 0 && transcoder->get_duration() > 0) {
ffok = true;
}
Table* t = manage (new Table (4, 2));
t->set_spacings (4);
options_box->pack_start (*t, true, true, 4);
l = manage (new Label (_("FPS:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
t->attach (*l, 0, 1, 0, 1);
l = manage (new Label (_("Duration:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
t->attach (*l, 2, 3, 0, 1);
l = manage (new Label (_("Codec:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
t->attach (*l, 0, 1, 1, 2);
l = manage (new Label (_("Geometry:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
t->attach (*l, 2, 3, 1, 2);
std::ostringstream osstream;
osstream << transcoder->get_fps();
l = manage (new Label (osstream.str(), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
t->attach (*l, 1, 2, 0, 1);
osstream.str("");
osstream << w << "x" << h;
l = manage (new Label (osstream.str(), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
t->attach (*l, 3, 4, 1, 2);
osstream.str("");
if (transcoder->get_duration() == 0 || transcoder->get_fps() == 0) {
osstream << _("??");
} else {
unsigned long sec = transcoder->get_duration() / transcoder->get_fps();
osstream << setfill('0') << setw(2);
osstream << (sec / 3600) << ":";
osstream << setfill('0') << setw(2);
osstream << ((sec /60 )%60) << ":";
osstream << setfill('0') << setw(2);
osstream << (sec%60) << ":";
osstream << setfill('0') << setw(2);
osstream << (transcoder->get_duration() % (int) floor(transcoder->get_fps()));
}
l = manage (new Label (osstream.str(), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
t->attach (*l, 3, 4, 0, 1);
osstream.str("");
osstream << transcoder->get_codec();
l = manage (new Label (osstream.str(), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
t->attach (*l, 1, 2, 1, 2);
}
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l = manage (new Label (_("<b>Import Settings</b>"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
l->set_use_markup ();
options_box->pack_start (*l, false, true, 4);
video_combo.set_name ("PaddedButton");
if (ffok) {
video_combo.append_text(_("Reference From Current Location (Previously Transcoded Files Only)"));
video_combo.append_text(_("Import/Transcode Video to Session"));
video_combo.set_active(1);
if (as.size() > 0) {
video_combo.append_text(_("Do Not Import Video (Audio Import Only)"));
audio_combo.set_sensitive(true);
} else {
audio_combo.set_sensitive(false);
}
video_combo.set_sensitive(true);
transcode_button.set_sensitive(true);
path_entry.set_sensitive (true);
browse_button.set_sensitive (true);
} else if (as.size() > 0) {
video_combo.append_text(_("Do Not Import Video (Audio Import Only)"));
video_combo.set_active(0);
path_entry.set_text ("");
video_combo.set_sensitive(false);
audio_combo.set_sensitive(true);
transcode_button.set_sensitive(true);
path_entry.set_sensitive (false);
browse_button.set_sensitive (false);
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} else {
video_combo.append_text(_("Do Not Import Video"));
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video_combo.set_active(0);
path_entry.set_text ("");
video_combo.set_sensitive(false);
audio_combo.set_sensitive(false);
transcode_button.set_sensitive(false);
path_entry.set_sensitive (false);
browse_button.set_sensitive (false);
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}
options_box->pack_start (video_combo, false, false, 4);
Table* t = manage (new Table (4, 4));
t->set_spacings (4);
options_box->pack_start (*t, true, true, 4);
l = manage (new Label (_("Scale Video: Width = "), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
t->attach (*l, 0, 1, 0, 1);
scale_combo.set_name ("PaddedButton");
t->attach (scale_combo, 1, 2, 0, 1);
t->attach (aspect_checkbox, 2, 3, 0, 1);
t->attach (height_spinner, 3, 4, 0, 1);
scale_combo.append_text(_("Original Width"));
if (w > 1920) { scale_combo.append_text("1920 (hd1080)"); }
if (w > 1408) { scale_combo.append_text("1408 (16cif)"); }
if (w > 1280) { scale_combo.append_text("1280 (sxga, hd720)"); }
if (w > 1024) { scale_combo.append_text("1024 (xga)"); }
if (w > 852) { scale_combo.append_text(" 852 (hd480)"); }
if (w > 768) { scale_combo.append_text(" 768 (PAL)"); }
if (w > 720) { scale_combo.append_text(" 720 (PAL)"); }
if (w > 640) { scale_combo.append_text(" 640 (vga, ega)"); }
if (w > 352) { scale_combo.append_text(" 352 (cif)"); }
if (w > 320) { scale_combo.append_text(" 320 (cga, qvga)"); }
if (w > 176) { scale_combo.append_text(" 176 (qcif)"); }
scale_combo.set_active(0);
height_spinner.set_value(h);
l = manage (new Label (_("Bitrate (KBit/s):"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
t->attach (*l, 0, 1, 1, 2);
t->attach (bitrate_checkbox, 2, 3, 1, 2);
t->attach (bitrate_spinner, 3, 4, 1, 2);
l = manage (new Label (_("Extract Audio:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
t->attach (*l, 0, 1, 2, 3);
audio_combo.set_name ("PaddedButton");
t->attach (audio_combo, 1, 4, 2, 3);
t->attach (ltc_detect, 1, 4, 3, 4);
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if (as.size() == 0) {
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audio_combo.append_text(_("No Audio Track Present"));
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audio_combo.set_sensitive(false);
} else {
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audio_combo.append_text(_("Do Not Extract Audio"));
for (TranscodeFfmpeg::FFAudioStreams::iterator it = as.begin(); it < as.end(); ++it) {
audio_combo.append_text((*it).name);
}
}
audio_combo.set_active(0);
ltc_detect.set_sensitive (false);
#if 1 /* tentative debug mode */
options_box->pack_start (debug_checkbox, false, true, 4);
#endif
vbox->pack_start (*path_hbox, false, false);
vbox->pack_start (*options_box, false, true);
get_vbox()->set_spacing (4);
get_vbox()->pack_start (*vbox, false, false);
progress_box = manage (new VBox);
progress_box->pack_start (progress_label, false, false);
progress_box->pack_start (pbar, false, false);
progress_box->pack_start (abort_button, false, false);
get_vbox()->pack_start (*progress_box, false, false);
browse_button.signal_clicked().connect (sigc::mem_fun (*this, &TranscodeVideoDialog::open_browse_dialog));
transcode_button.signal_clicked().connect (sigc::mem_fun (*this, &TranscodeVideoDialog::launch_transcode));
abort_button.signal_clicked().connect (sigc::mem_fun (*this, &TranscodeVideoDialog::abort_clicked));
video_combo.signal_changed().connect (sigc::mem_fun (*this, &TranscodeVideoDialog::video_combo_changed));
audio_combo.signal_changed().connect (sigc::mem_fun (*this, &TranscodeVideoDialog::audio_combo_changed));
scale_combo.signal_changed().connect (sigc::mem_fun (*this, &TranscodeVideoDialog::scale_combo_changed));
aspect_checkbox.signal_toggled().connect (sigc::mem_fun (*this, &TranscodeVideoDialog::aspect_checkbox_toggled));
height_spinner.signal_changed().connect (sigc::mem_fun (*this, &TranscodeVideoDialog::update_bitrate));
bitrate_checkbox.signal_toggled().connect (sigc::mem_fun (*this, &TranscodeVideoDialog::bitrate_checkbox_toggled));
update_bitrate();
cancel_button = add_button (Stock::CANCEL, RESPONSE_CANCEL);
get_action_area()->pack_start (transcode_button, false, false);
show_all_children ();
progress_box->hide();
}
TranscodeVideoDialog::~TranscodeVideoDialog ()
{
delete transcoder;
}
void
TranscodeVideoDialog::on_show ()
{
Dialog::on_show ();
}
void
TranscodeVideoDialog::abort_clicked ()
{
aborted = true;
transcoder->cancel();
}
void
TranscodeVideoDialog::update_progress (framecnt_t c, framecnt_t a)
{
if (a == 0 || c > a) {
pbar.set_pulse_step(.5);
pbar.pulse();
return;
}
pbar.set_fraction ((double)c / (double) a);
}
void
TranscodeVideoDialog::finished ()
{
if (aborted) {
::g_unlink(path_entry.get_text().c_str());
if (!audiofile.empty()) {
::g_unlink(audiofile.c_str());
}
Gtk::Dialog::response(RESPONSE_CANCEL);
} else {
if (pending_audio_extract) {
StartNextStage();
} else {
Gtk::Dialog::response(RESPONSE_ACCEPT);
}
}
}
void
TranscodeVideoDialog::launch_audioonly ()
{
if (audio_combo.get_active_row_number() == 0) {
finished();
return;
}
dialog_progress_mode();
#if 1 /* tentative debug mode */
if (debug_checkbox.get_active()) {
transcoder->set_debug(true);
}
#endif
transcoder->Progress.connect(*this, invalidator (*this), boost::bind (&TranscodeVideoDialog::update_progress , this, _1, _2), gui_context());
transcoder->Finished.connect(*this, invalidator (*this), boost::bind (&TranscodeVideoDialog::finished, this), gui_context());
launch_extract();
}
void
TranscodeVideoDialog::launch_extract ()
{
audiofile= path_entry.get_text() + ".wav"; /* TODO: mktemp */
int audio_stream;
pending_audio_extract = false;
aborted = false;
audio_stream = audio_combo.get_active_row_number() -1;
progress_label.set_text (_("Extracting Audio.."));
if (!transcoder->extract_audio(audiofile, _session->nominal_frame_rate(), audio_stream)) {
ARDOUR_UI::instance()->popup_error(_("Audio Extraction Failed."));
audiofile="";
Gtk::Dialog::response(RESPONSE_CANCEL);
return;
}
}
void
TranscodeVideoDialog::dialog_progress_mode ()
{
vbox->hide();
cancel_button->hide();
transcode_button.hide();
pbar.set_size_request(300,-1);
progress_box->show();
}
void
TranscodeVideoDialog::launch_transcode ()
{
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if (video_combo.get_active_row_number() != 1) {
launch_audioonly();
return;
}
std::string outfn = path_entry.get_text();
if (!confirm_video_outfn(outfn, video_get_docroot(Config))) return;
progress_label.set_text (_("Transcoding Video.."));
dialog_progress_mode();
#if 1 /* tentative debug mode */
if (debug_checkbox.get_active()) {
transcoder->set_debug(true);
}
#endif
aborted = false;
if (audio_combo.get_active_row_number() != 0) {
pending_audio_extract = true;
StartNextStage.connect(*this, invalidator (*this), boost::bind (&TranscodeVideoDialog::launch_extract , this), gui_context());
}
int scale_width, scale_height, bitrate;
if (scale_combo.get_active_row_number() == 0 ) {
scale_width =0;
} else {
scale_width = atoi(scale_combo.get_active_text());
}
if (!aspect_checkbox.get_active()) {
scale_height = 0;
} else {
scale_height = (int) floor(height_spinner.get_value());
}
if (bitrate_checkbox.get_active() ){
bitrate = (int) floor(bitrate_spinner.get_value());
} else {
bitrate = 0;
}
transcoder->Progress.connect(*this, invalidator (*this), boost::bind (&TranscodeVideoDialog::update_progress , this, _1, _2), gui_context());
transcoder->Finished.connect(*this, invalidator (*this), boost::bind (&TranscodeVideoDialog::finished, this), gui_context());
if (!transcoder->transcode(outfn, scale_width, scale_height, bitrate)) {
ARDOUR_UI::instance()->popup_error(_("Transcoding Failed."));
Gtk::Dialog::response(RESPONSE_CANCEL);
return;
}
}
void
TranscodeVideoDialog::video_combo_changed ()
{
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const int i = video_combo.get_active_row_number();
if (i != 1) {
scale_combo.set_sensitive(false);
aspect_checkbox.set_sensitive(false);
height_spinner.set_sensitive(false);
bitrate_checkbox.set_sensitive(false);
bitrate_spinner.set_sensitive(false);
} else {
scale_combo.set_sensitive(true);
aspect_checkbox.set_sensitive(true);
height_spinner.set_sensitive(true);
bitrate_checkbox.set_sensitive(true);
bitrate_spinner.set_sensitive(true);
}
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if (i == 2 && audio_combo.get_active_row_number() == 0) {
audio_combo.set_active(1);
} else {
//update LTC option sensitivity
audio_combo_changed ();
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}
}
void
TranscodeVideoDialog::audio_combo_changed ()
{
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if (video_combo.get_active_row_number() == 2
&& audio_combo.get_active_row_number() == 0)
{
audio_combo.set_active(1);
ltc_detect.set_sensitive (false);
ltc_detect.set_active (false);
}
if (video_combo.get_active_row_number() != 2
&& audio_combo.get_active_row_number() > 0)
{
ltc_detect.set_sensitive (true);
} else {
ltc_detect.set_sensitive (false);
ltc_detect.set_active (false);
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}
}
void
TranscodeVideoDialog::scale_combo_changed ()
{
if (!aspect_checkbox.get_active()) {
int h;
if (scale_combo.get_active_row_number() == 0 ) {
h = transcoder->get_height();
} else {
h = floor(atof(scale_combo.get_active_text()) / m_aspect);
}
height_spinner.set_value(h);
}
update_bitrate();
}
void
TranscodeVideoDialog::aspect_checkbox_toggled ()
{
height_spinner.set_sensitive(aspect_checkbox.get_active());
scale_combo_changed();
}
void
TranscodeVideoDialog::bitrate_checkbox_toggled ()
{
bitrate_spinner.set_sensitive(bitrate_checkbox.get_active());
if (!bitrate_checkbox.get_active()) {
update_bitrate();
}
}
void
TranscodeVideoDialog::update_bitrate ()
{
double br = .7; /* avg quality - bits per pixel */
if (bitrate_checkbox.get_active() || !transcoder->probe_ok()) { return; }
br *= transcoder->get_fps();
br *= height_spinner.get_value();
if (scale_combo.get_active_row_number() == 0 ) {
br *= transcoder->get_width();
} else {
br *= atof(scale_combo.get_active_text());
}
if (br != 0) {
bitrate_spinner.set_value(floor(br/10000.0)*10);
}
}
void
TranscodeVideoDialog::open_browse_dialog ()
{
Gtk::FileChooserDialog dialog(_("Save Transcoded Video File"), Gtk::FILE_CHOOSER_ACTION_SAVE);
dialog.set_filename (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()) {
path_entry.set_text (filename);
}
}
}
enum VtlTranscodeOption
TranscodeVideoDialog::import_option() {
int i = video_combo.get_active_row_number();
return static_cast<VtlTranscodeOption>(i);
}