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livetrax/gtk2_ardour/editor_export_audio.cc

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/*
* Copyright (C) 2005-2017 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2005 Taybin Rutkin <taybin@taybin.com>
* Copyright (C) 2006-2012 David Robillard <d@drobilla.net>
* Copyright (C) 2007-2010 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2007-2017 Tim Mayberry <mojofunk@gmail.com>
* Copyright (C) 2008-2012 Sakari Bergen <sakari.bergen@beatwaves.net>
* Copyright (C) 2014-2017 Robin Gareus <robin@gareus.org>
* Copyright (C) 2015 André Nusser <andre.nusser@googlemail.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.
*/
/* Note: public Editor methods are documented in public_editor.h */
#include <inttypes.h>
#include <unistd.h>
#include <climits>
#include <gtkmm/messagedialog.h>
#include "pbd/gstdio_compat.h"
#include "pbd/pthread_utils.h"
#include "ardour/audio_track.h"
#include "ardour/audiofilesource.h"
#include "ardour/audioplaylist.h"
#include "ardour/audioregion.h"
#include "ardour/chan_count.h"
#include "ardour/midi_region.h"
#include "ardour/session.h"
#include "ardour/session_directory.h"
#include "ardour/source_factory.h"
#include "ardour/types.h"
#include "ardour_ui.h"
#include "ardour_message.h"
#include "widgets/prompter.h"
#include "audio_region_view.h"
#include "audio_time_axis.h"
#include "editor.h"
#include "export_dialog.h"
#include "loudness_dialog.h"
#include "midi_export_dialog.h"
#include "midi_region_view.h"
#include "public_editor.h"
#include "selection.h"
#include "time_axis_view.h"
#include "utils.h"
#include "pbd/i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
using namespace Gtk;
void
Editor::export_audio ()
{
ExportDialog dialog (*this, _("Export"), ExportProfileManager::RegularExport);
dialog.set_session (_session);
dialog.run();
}
void
Editor::stem_export ()
{
StemExportDialog dialog (*this);
dialog.set_session (_session);
dialog.run();
}
void
Editor::export_selection ()
{
ExportSelectionDialog dialog (*this);
dialog.set_session (_session);
dialog.run();
}
void
Editor::loudness_assistant_marker ()
{
ArdourMarker* marker;
if ((marker = reinterpret_cast<ArdourMarker *> (marker_menu_item->get_data ("marker"))) == 0) {
fatal << _("programming error: marker canvas item has no marker object pointer!") << endmsg;
abort(); /*NOTREACHED*/
}
Location* l;
bool is_start;
if (((l = find_location_from_marker (marker, is_start)) != 0) && (l->end() > l->start())) {
measure_master_loudness (l->start(), l->end(), true);
}
}
void
Editor::loudness_assistant (bool range_selection)
{
samplepos_t start, end;
TimeSelection const& ts (get_selection().time);
if (range_selection && !ts.empty ()) {
start = ts.start_sample();
end = ts.end_sample();
} else {
start = _session->current_start_sample();
end = _session->current_end_sample();
}
measure_master_loudness (start, end, range_selection);
}
void
Editor::measure_master_loudness (samplepos_t start, samplepos_t end, bool is_range_selection)
{
if (!Config->get_use_master_volume ()) {
ArdourMessageDialog md (_("Master bus output gain control is disabled.\nVisit preferences to enable it?"), false,
MESSAGE_QUESTION, BUTTONS_YES_NO);
if (md.run () == RESPONSE_YES) {
ARDOUR_UI::instance()->show_mixer_prefs ();
}
return;
}
if (start >= end) {
if (is_range_selection) {
ArdourMessageDialog (_("Loudness Analysis requires a session-range or range-selection."), false, MESSAGE_ERROR).run ();
} else {
ArdourMessageDialog (_("Loudness Analysis requires a session-range."), false, MESSAGE_ERROR).run ();
}
return;
}
if (!_session->master_volume()) {
ArdourMessageDialog (_("Loudness Analysis is only available for sessions with a master-bus"), false, MESSAGE_ERROR).run ();
return;
}
assert (_session->master_out());
if (_session->master_out()->output()->n_ports().n_audio() != 2) {
ArdourMessageDialog (_("Loudness Analysis is only available for sessions with a stereo master-bus"), false, MESSAGE_ERROR).run ();
return;
}
ARDOUR::TimelineRange ar (timepos_t (start), timepos_t (end), 0);
LoudnessDialog ld (_session, ar, is_range_selection);
if (own_window ()) {
ld.set_transient_for (*own_window ());
}
ld.run ();
}
void
Editor::export_range ()
{
ArdourMarker* marker;
if ((marker = reinterpret_cast<ArdourMarker *> (marker_menu_item->get_data ("marker"))) == 0) {
fatal << _("programming error: marker canvas item has no marker object pointer!") << endmsg;
abort(); /*NOTREACHED*/
}
Location* l;
bool is_start;
if (((l = find_location_from_marker (marker, is_start)) != 0) && (l->end() > l->start())) {
ExportRangeDialog dialog (*this, l->id().to_s());
dialog.set_session (_session);
dialog.run();
}
}
bool
Editor::process_midi_export_dialog (MidiExportDialog& dialog, boost::shared_ptr<MidiRegion> midi_region)
{
string path = dialog.get_path ();
if (Glib::file_test (path, Glib::FILE_TEST_EXISTS)) {
bool overwrite = ARDOUR_UI_UTILS::overwrite_file_dialog (dialog,
_("Confirm MIDI File Overwrite"),
_("A file with the same name already exists. Do you want to overwrite it?"));
if (!overwrite) {
return false;
}
/* force ::g_unlink because the backend code will
go wrong if it tries to open an existing
file for writing.
*/
::g_unlink (path.c_str());
}
return midi_region->do_export (path);
}
/** Export the first selected region */
void
Editor::export_region ()
{
if (selection->regions.empty()) {
return;
}
boost::shared_ptr<Region> r = selection->regions.front()->region();
boost::shared_ptr<AudioRegion> audio_region = boost::dynamic_pointer_cast<AudioRegion>(r);
boost::shared_ptr<MidiRegion> midi_region = boost::dynamic_pointer_cast<MidiRegion>(r);
if (audio_region) {
RouteTimeAxisView & rtv (dynamic_cast<RouteTimeAxisView &> (selection->regions.front()->get_time_axis_view()));
AudioTrack & track (dynamic_cast<AudioTrack &> (*rtv.route()));
ExportRegionDialog dialog (*this, *(audio_region.get()), track);
dialog.set_session (_session);
dialog.run ();
} else if (midi_region) {
MidiExportDialog dialog (*this, midi_region);
dialog.set_session (_session);
bool finished = false;
while (!finished) {
switch (dialog.run ()) {
case Gtk::RESPONSE_ACCEPT:
finished = process_midi_export_dialog (dialog, midi_region);
break;
default:
return;
}
}
}
}
int
Editor::write_region_selection (RegionSelection& regions)
{
for (RegionSelection::iterator i = regions.begin(); i != regions.end(); ++i) {
AudioRegionView* arv = dynamic_cast<AudioRegionView*>(*i);
if (arv) {
if (write_region ("", arv->audio_region()) == false)
return -1;
}
MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
if (mrv) {
warning << "MIDI region export not implemented" << endmsg;
}
}
return 0;
}
void
Editor::bounce_region_selection (bool with_processing)
{
/* no need to check for bounceable() because this operation never puts
* its results back in the playlist (only in the region list).
*/
/*prompt the user for a new name*/
string bounce_name;
{
ArdourWidgets::Prompter dialog (true);
dialog.set_prompt (_("Name for Bounced Region:"));
dialog.set_name ("BounceNameWindow");
dialog.set_size_request (400, -1);
dialog.set_position (Gtk::WIN_POS_MOUSE);
dialog.add_button (_("Rename"), RESPONSE_ACCEPT);
dialog.set_initial_text (bounce_name);
Label label;
label.set_text (_("Bounced Region will appear in the Source list."));
dialog.get_vbox()->set_spacing (8);
dialog.get_vbox()->pack_start (label);
label.show();
dialog.show ();
switch (dialog.run ()) {
case RESPONSE_ACCEPT:
break;
default:
return;
}
dialog.get_result(bounce_name);
}
for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
boost::shared_ptr<Region> region ((*i)->region());
RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(&(*i)->get_time_axis_view());
boost::shared_ptr<Track> track = boost::dynamic_pointer_cast<Track> (rtv->route());
InterThreadInfo itt;
boost::shared_ptr<Region> r;
if (with_processing) {
r = track->bounce_range (region->position_sample(), region->position_sample() + region->length_samples(), itt, track->main_outs(), false, bounce_name);
} else {
r = track->bounce_range (region->position_sample(), region->position_sample() + region->length_samples(), itt, boost::shared_ptr<Processor>(), false, bounce_name);
}
}
}
bool
Editor::write_region (string path, boost::shared_ptr<AudioRegion> region)
{
boost::shared_ptr<AudioFileSource> fs;
const samplepos_t chunk_size = 4096;
samplepos_t to_read;
Sample buf[chunk_size];
gain_t gain_buffer[chunk_size];
samplepos_t pos;
char s[PATH_MAX+1];
uint32_t cnt;
vector<boost::shared_ptr<AudioFileSource> > sources;
uint32_t nchans;
const string sound_directory = _session->session_directory().sound_path();
nchans = region->n_channels();
/* don't do duplicate of the entire source if that's what is going on here */
if (region->nt_start().zero() && region->nt_length() == region->source_length(0)) {
/* XXX should link(2) to create a new inode with "path" */
return true;
}
if (path.length() == 0) {
for (uint32_t n=0; n < nchans; ++n) {
for (cnt = 0; cnt < 999999; ++cnt) {
if (nchans == 1) {
snprintf (s, sizeof(s), "%s/%s_%" PRIu32 ".wav", sound_directory.c_str(),
legalize_for_universal_path(region->name()).c_str(), cnt);
}
else {
snprintf (s, sizeof(s), "%s/%s_%" PRIu32 "-%" PRId32 ".wav", sound_directory.c_str(),
legalize_for_universal_path(region->name()).c_str(), cnt, n);
}
path = s;
if (!Glib::file_test (path, Glib::FILE_TEST_EXISTS)) {
break;
}
}
if (cnt == 999999) {
error << "" << endmsg;
goto error_out;
}
try {
fs = boost::dynamic_pointer_cast<AudioFileSource> (SourceFactory::createWritable (DataType::AUDIO, *_session, path, _session->sample_rate()));
}
catch (failed_constructor& err) {
goto error_out;
}
sources.push_back (fs);
}
}
else {
/* TODO: make filesources based on passed path */
}
to_read = region->length_samples();
pos = region->position_sample();
while (to_read) {
samplepos_t this_time;
this_time = min (to_read, chunk_size);
for (vector<boost::shared_ptr<AudioFileSource> >::iterator src=sources.begin(); src != sources.end(); ++src) {
fs = (*src);
if (region->read_at (buf, buf, gain_buffer, pos, this_time) != this_time) {
break;
}
if (fs->write (buf, this_time) != this_time) {
error << "" << endmsg;
goto error_out;
}
}
to_read -= this_time;
pos += this_time;
}
time_t tnow;
struct tm* now;
time (&tnow);
now = localtime (&tnow);
for (vector<boost::shared_ptr<AudioFileSource> >::iterator src = sources.begin(); src != sources.end(); ++src) {
(*src)->update_header (0, *now, tnow);
(*src)->mark_immutable ();
}
return true;
error_out:
for (vector<boost::shared_ptr<AudioFileSource> >::iterator i = sources.begin(); i != sources.end(); ++i) {
(*i)->mark_for_remove ();
}
return 0;
}
int
Editor::write_audio_selection (TimeSelection& ts)
{
int ret = 0;
if (selection->tracks.empty()) {
return 0;
}
for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
AudioTimeAxisView* atv;
if ((atv = dynamic_cast<AudioTimeAxisView*>(*i)) == 0) {
continue;
}
if (atv->is_audio_track()) {
boost::shared_ptr<AudioPlaylist> playlist = boost::dynamic_pointer_cast<AudioPlaylist>(atv->track()->playlist());
if (playlist && write_audio_range (*playlist, atv->track()->n_channels(), ts) == 0) {
ret = -1;
break;
}
}
}
return ret;
}
bool
Editor::write_audio_range (AudioPlaylist& playlist, const ChanCount& count, list<TimelineRange>& range)
{
boost::shared_ptr<AudioFileSource> fs;
const samplepos_t chunk_size = 4096;
samplecnt_t nframes;
Sample buf[chunk_size];
gain_t gain_buffer[chunk_size];
samplepos_t pos;
char s[PATH_MAX+1];
uint32_t cnt;
string path;
vector<boost::shared_ptr<AudioFileSource> > sources;
const string sound_directory = _session->session_directory().sound_path();
uint32_t channels = count.n_audio();
for (uint32_t n=0; n < channels; ++n) {
for (cnt = 0; cnt < 999999; ++cnt) {
if (channels == 1) {
snprintf (s, sizeof(s), "%s/%s_%" PRIu32 ".wav", sound_directory.c_str(),
legalize_for_universal_path(playlist.name()).c_str(), cnt);
}
else {
snprintf (s, sizeof(s), "%s/%s_%" PRIu32 "-%" PRId32 ".wav", sound_directory.c_str(),
legalize_for_universal_path(playlist.name()).c_str(), cnt, n);
}
if (!Glib::file_test (s, Glib::FILE_TEST_EXISTS)) {
break;
}
}
if (cnt == 999999) {
error << "" << endmsg;
goto error_out;
}
path = s;
try {
fs = boost::dynamic_pointer_cast<AudioFileSource> (SourceFactory::createWritable (DataType::AUDIO, *_session, path, _session->sample_rate()));
}
catch (failed_constructor& err) {
goto error_out;
}
sources.push_back (fs);
}
for (list<TimelineRange>::iterator i = range.begin(); i != range.end();) {
nframes = (*i).length().samples();
pos = (*i).start().samples();
while (nframes) {
timecnt_t this_time = timecnt_t (min (nframes, chunk_size));
for (uint32_t n=0; n < channels; ++n) {
fs = sources[n];
if (playlist.read (buf, buf, gain_buffer, timepos_t (pos), this_time, n) != this_time) {
break;
}
if (fs->write (buf, this_time.samples()) != this_time.samples()) {
goto error_out;
}
}
nframes -= this_time.samples();
pos += this_time.samples();
}
list<TimelineRange>::iterator tmp = i;
++tmp;
if (tmp != range.end()) {
/* fill gaps with silence */
nframes = (*i).end().distance ((*tmp).start()).samples();
while (nframes) {
timecnt_t this_time = timecnt_t (min (nframes, chunk_size));
memset (buf, 0, sizeof (Sample) * this_time.samples());
for (uint32_t n=0; n < channels; ++n) {
fs = sources[n];
if (fs->write (buf, this_time.samples()) != this_time.samples()) {
goto error_out;
}
}
nframes -= this_time.samples();
}
}
i = tmp;
}
time_t tnow;
struct tm* now;
time (&tnow);
now = localtime (&tnow);
for (vector<boost::shared_ptr<AudioFileSource> >::iterator s = sources.begin(); s != sources.end(); ++s) {
(*s)->update_header (0, *now, tnow);
(*s)->mark_immutable ();
// do we need to ref it again?
}
return true;
error_out:
/* unref created files */
for (vector<boost::shared_ptr<AudioFileSource> >::iterator i = sources.begin(); i != sources.end(); ++i) {
(*i)->mark_for_remove ();
}
return false;
}
void
Editor::write_selection ()
{
if (!selection->time.empty()) {
write_audio_selection (selection->time);
} else if (!selection->regions.empty()) {
write_region_selection (selection->regions);
}
}
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