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livetrax/gtk2_ardour/editor_export_audio.cc
Robin Gareus 4050ca5633
Update GPL boilerplate and (C)
Copyright-holder and year information is extracted from git log.

git history begins in 2005. So (C) from 1998..2005 is lost. Also some
(C) assignment of commits where the committer didn't use --author.
2019-08-03 15:53:15 +02:00

514 lines
12 KiB
C++

/*
* 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 "audio_region_view.h"
#include "audio_time_axis.h"
#include "editor.h"
#include "export_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::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).
*/
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(), region->position() + region->length(), itt, track->main_outs(), false);
} else {
r = track->bounce_range (region->position(), region->position() + region->length(), itt, boost::shared_ptr<Processor>(), false);
}
}
}
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->start() == 0 && region->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_path(region->name()).c_str(), cnt);
}
else {
snprintf (s, sizeof(s), "%s/%s_%" PRIu32 "-%" PRId32 ".wav", sound_directory.c_str(),
legalize_for_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, true,
false, _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();
pos = region->position();
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<AudioRange>& range)
{
boost::shared_ptr<AudioFileSource> fs;
const samplepos_t chunk_size = 4096;
samplepos_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_path(playlist.name()).c_str(), cnt);
}
else {
snprintf (s, sizeof(s), "%s/%s_%" PRIu32 "-%" PRId32 ".wav", sound_directory.c_str(),
legalize_for_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, true,
false, _session->sample_rate()));
}
catch (failed_constructor& err) {
goto error_out;
}
sources.push_back (fs);
}
for (list<AudioRange>::iterator i = range.begin(); i != range.end();) {
nframes = (*i).length();
pos = (*i).start;
while (nframes) {
samplepos_t this_time;
this_time = min (nframes, chunk_size);
for (uint32_t n=0; n < channels; ++n) {
fs = sources[n];
if (playlist.read (buf, buf, gain_buffer, pos, this_time, n) != this_time) {
break;
}
if (fs->write (buf, this_time) != this_time) {
goto error_out;
}
}
nframes -= this_time;
pos += this_time;
}
list<AudioRange>::iterator tmp = i;
++tmp;
if (tmp != range.end()) {
/* fill gaps with silence */
nframes = (*tmp).start - (*i).end;
while (nframes) {
samplepos_t this_time = min (nframes, chunk_size);
memset (buf, 0, sizeof (Sample) * this_time);
for (uint32_t n=0; n < channels; ++n) {
fs = sources[n];
if (fs->write (buf, this_time) != this_time) {
goto error_out;
}
}
nframes -= this_time;
}
}
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);
}
}