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ardour/libs/ardour/import.cc

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/*
* Copyright (C) 2000-2017 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2006-2016 David Robillard <d@drobilla.net>
* Copyright (C) 2007-2012 Tim Mayberry <mojofunk@gmail.com>
* Copyright (C) 2009-2012 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2014-2018 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifdef WAF_BUILD
#include "libardour-config.h"
#endif
#include <cstdio>
#include <cstdlib>
#include <string>
#include <climits>
#include <cerrno>
#include <unistd.h>
#include <sys/stat.h>
#include <time.h>
#include <stdint.h>
#include <sndfile.h>
#include <samplerate.h>
#include "pbd/gstdio_compat.h"
#include <glibmm.h>
#include <boost/scoped_array.hpp>
#include <boost/scoped_ptr.hpp>
#include <boost/shared_array.hpp>
#include "pbd/basename.h"
#include "pbd/convert.h"
#include "evoral/SMF.h"
#include "ardour/analyser.h"
#include "ardour/ardour.h"
#include "ardour/audioengine.h"
#include "ardour/audioregion.h"
#include "ardour/ffmpegfileimportable.h"
#include "ardour/import_status.h"
#include "ardour/midi_region.h"
#include "ardour/midi_source.h"
#include "ardour/mp3fileimportable.h"
#include "ardour/playlist.h"
#include "ardour/region_factory.h"
#include "ardour/resampled_source.h"
#include "ardour/runtime_functions.h"
#include "ardour/session.h"
#include "ardour/session_directory.h"
#include "ardour/smf_source.h"
#include "ardour/sndfile_helpers.h"
#include "ardour/sndfileimportable.h"
#include "ardour/sndfilesource.h"
#include "ardour/source_factory.h"
#include "ardour/tempo.h"
#ifdef HAVE_COREAUDIO
#include "ardour/caimportable.h"
#endif
#include "pbd/i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
static std::shared_ptr<ImportableSource>
open_importable_source (const string& path, samplecnt_t samplerate, ARDOUR::SrcQuality quality)
{
/* try libsndfile first, because it can get BWF info from .wav, which ExtAudioFile cannot.
* We don't necessarily need that information in an ImportableSource, but it keeps the
* logic the same as in SourceFactory::create()
*/
try {
std::shared_ptr<SndFileImportableSource> source(new SndFileImportableSource(path));
if (source->samplerate() == samplerate) {
return source;
}
/* rewrap as a resampled source */
return std::shared_ptr<ImportableSource>(new ResampledImportableSource(source, samplerate, quality));
} catch (...) { }
/* libsndfile failed, see if we can use CoreAudio to handle the IO */
#ifdef HAVE_COREAUDIO
try {
CAImportableSource* src = new CAImportableSource(path);
std::shared_ptr<CAImportableSource> source (src);
if (source->samplerate() == samplerate) {
return source;
}
/* rewrap as a resampled source */
return std::shared_ptr<ImportableSource>(new ResampledImportableSource(source, samplerate, quality));
} catch (...) { }
#endif
/* libsndfile and CoreAudioFile failed, try minimp3-decoder */
try {
std::shared_ptr<Mp3FileImportableSource> source(new Mp3FileImportableSource(path));
if (source->samplerate() == samplerate) {
return source;
}
/* rewrap as a resampled source */
return std::shared_ptr<ImportableSource>(new ResampledImportableSource(source, samplerate, quality));
} catch (...) { }
/* finally try FFMPEG */
try {
std::shared_ptr<FFMPEGFileImportableSource> source(new FFMPEGFileImportableSource(path));
if (source->samplerate() == samplerate) {
return source;
}
/* rewrap as a resampled source */
return std::shared_ptr<ImportableSource>(new ResampledImportableSource(source, samplerate, quality));
} catch (...) { }
throw failed_constructor ();
}
vector<string>
Session::get_paths_for_new_sources (bool /*allow_replacing*/, const string& import_file_path, uint32_t channels,
vector<string> const & smf_names)
{
vector<string> new_paths;
const string basename = basename_nosuffix (import_file_path);
for (uint32_t n = 0; n < channels; ++n) {
const DataType type = SMFSource::safe_midi_file_extension (import_file_path) ? DataType::MIDI : DataType::AUDIO;
string filepath;
switch (type) {
case DataType::MIDI:
if (channels > 1) {
assert (smf_names.size() == channels);
string mchn_name = string_compose ("%1.%2", basename, smf_names[n]);
filepath = new_midi_source_path (mchn_name);
} else {
filepath = new_midi_source_path (basename);
}
break;
case DataType::AUDIO:
filepath = new_audio_source_path (basename, channels, n, false);
break;
}
if (filepath.empty()) {
error << string_compose (_("Cannot find new filename for imported file %1"), import_file_path) << endmsg;
return vector<string>();
}
new_paths.push_back (filepath);
}
return new_paths;
}
static bool
map_existing_mono_sources (const vector<string>& new_paths, Session& /*sess*/,
uint32_t /*samplerate*/, vector<std::shared_ptr<Source> >& newfiles, Session *session)
{
for (vector<string>::const_iterator i = new_paths.begin();
i != new_paths.end(); ++i)
{
std::shared_ptr<Source> source = session->audio_source_by_path_and_channel(*i, 0);
if (source == 0) {
error << string_compose(_("Could not find a source for %1 even though we are updating this file!"), (*i)) << endl;
return false;
}
newfiles.push_back(std::dynamic_pointer_cast<Source>(source));
}
return true;
}
static bool
create_mono_sources_for_writing (const vector<string>& new_paths,
Session& sess, uint32_t samplerate,
vector<std::shared_ptr<Source> >& newfiles,
samplepos_t natural_position, bool announce)
{
for (vector<string>::const_iterator i = new_paths.begin(); i != new_paths.end(); ++i) {
std::shared_ptr<Source> source;
try {
const DataType type = SMFSource::safe_midi_file_extension (*i) ? DataType::MIDI : DataType::AUDIO;
source = SourceFactory::createWritable (type, sess, i->c_str(), samplerate, announce);
}
catch (const failed_constructor& err) {
error << string_compose (_("Unable to create file %1 during import"), *i) << endmsg;
return false;
}
newfiles.push_back(std::dynamic_pointer_cast<Source>(source));
/* for audio files, reset the timeline position so that any BWF-ish
information in the original files we are importing from is maintained.
*/
std::shared_ptr<AudioFileSource> afs;
if ((afs = std::dynamic_pointer_cast<AudioFileSource>(source)) != 0) {
afs->set_natural_position (timepos_t (natural_position));
}
}
return true;
}
static string
compose_status_message (const string& path,
uint32_t file_samplerate,
uint32_t session_samplerate,
uint32_t /* current_file */,
uint32_t /* total_files */)
{
if (file_samplerate != session_samplerate) {
return string_compose (_("Resampling %1 from %2kHz to %3kHz"),
Glib::path_get_basename (path),
file_samplerate/1000.0f,
session_samplerate/1000.0f);
}
return string_compose (_("Copying %1"), Glib::path_get_basename (path));
}
static void
write_audio_data_to_new_files (ImportableSource* source, ImportStatus& status,
vector<std::shared_ptr<Source> >& newfiles)
{
const samplecnt_t nframes = ResampledImportableSource::blocksize;
std::shared_ptr<AudioFileSource> afs;
uint32_t channels = source->channels();
if (channels == 0) {
return;
}
boost::scoped_array<float> data(new float[nframes * channels]);
vector<boost::shared_array<Sample> > channel_data;
for (uint32_t n = 0; n < channels; ++n) {
channel_data.push_back(boost::shared_array<Sample>(new Sample[nframes]));
}
float gain = 1;
std::shared_ptr<AudioSource> s = std::dynamic_pointer_cast<AudioSource> (newfiles[0]);
assert (s);
status.progress = 0.0f;
float progress_multiplier = 1;
float progress_base = 0;
const float progress_length = source->ratio() * source->length();
if (!source->clamped_at_unity() && s->clamped_at_unity()) {
/* The source we are importing from can return sample values with a magnitude greater than 1,
and the file we are writing the imported data to cannot handle such values. Compute the gain
factor required to normalize the input sources to have a magnitude of less than 1.
*/
float peak = 0;
uint32_t read_count = 0;
while (!status.cancel) {
samplecnt_t const nread = source->read (data.get(), nframes * channels);
if (nread == 0) {
break;
}
peak = compute_peak (data.get(), nread, peak);
read_count += nread / channels;
status.progress = 0.5 * read_count / progress_length;
}
if (peak >= 1) {
/* we are out of range: compute a gain to fix it */
gain = (1 - FLT_EPSILON) / peak;
}
source->seek (0);
progress_multiplier = 0.5;
progress_base = 0.5;
}
samplecnt_t read_count = 0;
while (!status.cancel) {
samplecnt_t nread, nfread;
uint32_t x;
uint32_t chn;
if ((nread = source->read (data.get(), nframes * channels)) == 0) {
#ifdef PLATFORM_WINDOWS
/* Flush the data once we've finished importing the file. Windows can */
/* cache the data for very long periods of time (perhaps not writing */
/* it to disk until Ardour closes). So let's force it to flush now. */
for (chn = 0; chn < channels; ++chn)
if ((afs = std::dynamic_pointer_cast<AudioFileSource>(newfiles[chn])) != 0)
afs->flush ();
#endif
break;
}
if (gain != 1) {
/* here is the gain fix for out-of-range sample values that we computed earlier */
apply_gain_to_buffer (data.get(), nread, gain);
}
nfread = nread / channels;
/* de-interleave */
for (chn = 0; chn < channels; ++chn) {
samplecnt_t n;
for (x = chn, n = 0; n < nfread; x += channels, ++n) {
channel_data[chn][n] = (Sample) data[x];
}
}
/* flush to disk */
for (chn = 0; chn < channels; ++chn) {
if ((afs = std::dynamic_pointer_cast<AudioFileSource>(newfiles[chn])) != 0) {
afs->write (channel_data[chn].get(), nfread);
}
}
read_count += nfread;
status.progress = progress_base + progress_multiplier * read_count / progress_length;
}
}
static void
write_midi_data_to_new_files (Evoral::SMF* source, ImportStatus& status,
vector<std::shared_ptr<Source> >& newfiles,
bool split_midi_channels)
{
uint32_t buf_size = 4;
uint8_t* buf = (uint8_t*) malloc (buf_size);
status.progress = 0.0f;
bool type0 = source->smf_format()==0;
int total_files = newfiles.size();
try {
vector<std::shared_ptr<Source> >::iterator s = newfiles.begin();
int cur_chan = 0;
for (int i = 0; i < total_files; ++i) {
int cur_track = i+1; //first Track of a type-1 file is metadata only. Start importing sourcefiles at Track index 1
if (split_midi_channels) { //if splitting channels we will need to fill 16x sources. empties will be disposed-of later
cur_track = 1 + (int) floor((float)i/16.f); //calculate the Track needed for this sourcefile (offset by 1)
}
std::shared_ptr<SMFSource> smfs = std::dynamic_pointer_cast<SMFSource> (*s);
if (!smfs) {
continue; //should never happen. The calling code should provide exactly the number of tracks&channels we need
}
Source::WriterLock source_lock(smfs->mutex());
smfs->drop_model (source_lock);
if (type0) {
source->seek_to_start ();
} else {
source->seek_to_track (cur_track);
}
uint64_t t = 0;
uint32_t delta_t = 0;
uint32_t size = 0;
bool first = true;
while (!status.cancel) {
gint note_id_ignored; // imported files either don't have NoteID's or we ignore them.
size = buf_size;
int ret = source->read_event (&delta_t, &size, &buf, &note_id_ignored);
if (size > buf_size) {
buf_size = size;
}
if (ret < 0) { // EOT
break;
}
t += delta_t;
if (ret == 0) { // Meta
continue;
}
/* if requested by user, each sourcefile gets only a single channel's data */
if (split_midi_channels) {
uint8_t type = buf[0] & 0xf0;
uint8_t chan = buf[0] & 0x0f;
if (type >= 0x80 && type <= 0xE0) {
if (chan != cur_chan) {
continue;
}
}
}
if (first) {
smfs->mark_streaming_write_started (source_lock);
first = false;
}
smfs->append_event_beats(
source_lock,
Evoral::Event<Temporal::Beats>(
Evoral::MIDI_EVENT,
Temporal::Beats::ticks_at_rate(t, source->ppqn()),
size,
buf));
if (status.progress < 0.99) {
status.progress += 0.01;
}
}
if (!first) {
/* we wrote something */
/* try to guess at the meter, for 5/4 midi loop oddballs */
int pulses_per_bar = 4;
Evoral::SMF::Tempo *tempo = source->nth_tempo (0);
if (tempo && (tempo->numerator>0) ) {
pulses_per_bar = tempo->numerator;
}
/* extend the length of the region to the end of a bar */
const Temporal::Beats length_beats = Temporal::Beats::ticks_at_rate(t, source->ppqn());
smfs->update_length (timepos_t (length_beats.round_up_to_multiple(Temporal::Beats(pulses_per_bar,0))));
smfs->mark_streaming_write_completed (source_lock);
/* the streaming write that we've just finished
* only wrote data to the SMF object, which is
* ultimately an on-disk data structure. So now
* we pull the data back from disk to build our
* in-memory MidiModel version.
*/
smfs->load_model (source_lock, true);
/* Now that there is a model, we can set interpolation of parameters. */
smfs->mark_streaming_write_completed (source_lock);
if (status.cancel) {
break;
}
} else {
info << string_compose (_("Track %1 of %2 contained no usable MIDI data"), i, total_files) << endmsg;
}
++s; // next source
++cur_chan;
if (cur_chan > 15) {
cur_chan=0;
}
}
} catch (exception& e) {
error << string_compose (_("MIDI file could not be written (best guess: %1)"), e.what()) << endmsg;
}
if (buf) {
free (buf);
}
}
static void
remove_file_source (std::shared_ptr<Source> source)
{
std::shared_ptr<FileSource> fs = std::dynamic_pointer_cast<FileSource> (source);
fs->DropReferences ();
if (fs) {
::g_unlink (fs->path().c_str());
}
}
void
Session::deinterlace_midi_region (std::shared_ptr<MidiRegion> mr)
{
typedef vector<std::shared_ptr<Source> > Sources;
Sources newfiles;
try {
std::shared_ptr<SMFSource> smf = std::dynamic_pointer_cast<SMFSource> (mr->midi_source(0)); //ToDo: handle compound sources?
string source_path = smf->path();
/* Write_midi_data_to_new_files expects to find raw midi on-disk (SMF*).
* this means that a split looks like a no-op if the file wasn't written to disk yet.
* I've chosen to flush the file to disk, rather than reimplement
* write_midi_data_to_new_files for a Source
*/
smf->session_saved(); //TODO: should we just expose flush_midi() instead?
/* open the SMF file for reading */
boost::scoped_ptr<Evoral::SMF> smf_reader;
smf_reader.reset (new Evoral::SMF());
if (smf_reader->open (source_path)) {
throw Evoral::SMF::FileError (source_path);
}
/* create new file paths for 16 potential channels of midi data */
vector<string> smf_names;
for (int i = 0; i<16; i++) {
smf_names.push_back(string_compose("-ch%1", i+1));
}
vector<string> new_paths = get_paths_for_new_sources (false, source_path, 16, smf_names);
/* create source files and write 1 channel of midi data to each of them */
if (create_mono_sources_for_writing (new_paths, *this, sample_rate(), newfiles, 0, false)) {
ImportStatus status;
write_midi_data_to_new_files (smf_reader.get(), status, newfiles, true /*split*/);
} else {
error << _("deinterlace_midi_region: failed to create sources") << endmsg;
}
} catch (...) {
error << _("deinterlace_midi_region: error opening MIDI file for splitting") << endmsg;
return;
}
/* not all 16 channels will have midi data; delete any sources that turned up empty */
for (Sources::iterator x = newfiles.begin(); x != newfiles.end(); ) {
std::shared_ptr<SMFSource> smfs;
if ((smfs = std::dynamic_pointer_cast<SMFSource>(*x)) != 0 && smfs->is_empty()) {
x = newfiles.erase(x);
} else {
++x;
}
}
/* insert new regions with the properties of the source region */
for (Sources::iterator x = newfiles.begin(); x != newfiles.end(); x++) {
/* hand over the new Source to the session*/
add_source(*x);
/* create a whole-file region for this new source, so it shows up in the Source List...*/
PropertyList plist (mr->properties ());
plist.add (Properties::whole_file, true);
plist.add (Properties::opaque, true);
plist.add (Properties::name, (*x)->name());
plist.add (Properties::tags, string_compose ("%1%2%3", _("(split-chans)"), mr->tags ().empty() ? "" : " ", mr->tags ()));
std::shared_ptr<Region> whole = RegionFactory::create (*x, plist);
/* ... and insert a discrete copy into the playlist*/
PropertyList plist2;
plist2.add (ARDOUR::Properties::whole_file, false);
std::shared_ptr<Region> copy (RegionFactory::create (whole, plist2));
mr->playlist()->add_region (copy, mr->position());
}
}
static vector<string>
unique_track_names (const vector<string>& n)
{
set<string> uniq;
vector<string> rv;
for (auto tn : n) {
while (uniq.find (tn) != uniq.end()) {
if (tn.empty ()) {
tn = "MIDI";
}
/* not not use '-' as separator because that is used by
* new_midi_source_path, new_audio_source_path
* when checking for existing files.
*/
tn = bump_name_once (tn, '.');
}
uniq.insert (tn);
rv.push_back (tn);
}
return rv;
}
// This function is still unable to cleanly update an existing source, even though
// it is possible to set the ImportStatus flag accordingly. The functionality
// is disabled at the GUI until the Source implementations are able to provide
// the necessary API.
void
Session::import_files (ImportStatus& status)
{
typedef vector<std::shared_ptr<Source> > Sources;
Sources all_new_sources;
std::shared_ptr<AudioFileSource> afs;
std::shared_ptr<SMFSource> smfs;
uint32_t num_channels = 0;
vector<string> smf_names;
status.sources.clear ();
for (vector<string>::const_iterator p = status.paths.begin(); p != status.paths.end() && !status.cancel; ++p) {
std::shared_ptr<ImportableSource> source;
const DataType type = SMFSource::safe_midi_file_extension (*p) ? DataType::MIDI : DataType::AUDIO;
boost::scoped_ptr<Evoral::SMF> smf_reader;
if (type == DataType::AUDIO) {
try {
source = open_importable_source (*p, sample_rate(), status.quality);
num_channels = source->channels();
} catch (const failed_constructor& err) {
error << string_compose(_("Import: cannot open input sound file \"%1\""), (*p)) << endmsg;
status.done = status.cancel = true;
return;
}
} else {
try {
smf_reader.reset (new Evoral::SMF());
if (smf_reader->open(*p)) {
throw Evoral::SMF::FileError (*p);
}
if (smf_reader->smf_format()==0) {
/* Type0: we should prepare filenames for up to 16 channels in the file; we will throw out the empty ones later */
if (status.split_midi_channels) {
num_channels = 16;
for (uint32_t i = 0; i<num_channels; i++) {
smf_names.push_back( string_compose ("ch%1", 1+i ) ); //chanX
}
} else {
num_channels = 1;
smf_names.push_back("");
}
} else {
/* we should prepare filenames for up to 16 channels in each Track; we will throw out the empty ones later*/
num_channels = status.split_midi_channels ? smf_reader->num_tracks()*16 : smf_reader->num_tracks();
switch (status.midi_track_name_source) {
case SMFTrackNumber:
if (status.split_midi_channels) {
for (uint32_t i = 0; i<num_channels; i++) {
smf_names.push_back( string_compose ("t%1.ch%2", 1+i/16, 1+i%16 ) ); //trackX.chanX
}
} else {
for (uint32_t i = 0; i<num_channels;i++) {
smf_names.push_back( string_compose ("t%1", i+1 ) ); //trackX
}
}
break;
case SMFTrackName:
if (status.split_midi_channels) {
vector<string> temp;
smf_reader->track_names (temp);
temp = unique_track_names (temp);
for (uint32_t i = 0; i<num_channels;i++) {
smf_names.push_back( string_compose ("%1.ch%2", temp[i/16], 1+i%16 ) ); //trackname.chanX
}
} else {
vector<string> temp;
smf_reader->track_names (temp);
smf_names = unique_track_names (temp);
}
break;
case SMFInstrumentName:
if (status.split_midi_channels) {
vector<string> temp;
smf_reader->instrument_names (temp);
for (uint32_t i = 0; i<num_channels;i++) {
smf_names.push_back( string_compose ("%1.ch%2", temp[i/16], 1+i%16 ) ); //instrument.chanX
}
} else {
smf_reader->instrument_names (smf_names);
}
break;
}
}
} catch (...) {
error << _("Import: error opening MIDI file") << endmsg;
status.done = status.cancel = true;
return;
}
}
if (num_channels == 0) {
error << _("Import: file contains no channels.") << endmsg;
continue;
}
vector<string> new_paths = get_paths_for_new_sources (status.replace_existing_source, *p, num_channels, smf_names);
Sources newfiles;
samplepos_t natural_position = source ? source->natural_position() : 0;
if (status.replace_existing_source) {
fatal << "THIS IS NOT IMPLEMENTED YET, IT SHOULD NEVER GET CALLED!!! DYING!" << endmsg;
status.cancel = !map_existing_mono_sources (new_paths, *this, sample_rate(), newfiles, this);
} else {
status.cancel = !create_mono_sources_for_writing (new_paths, *this, sample_rate(), newfiles, natural_position, true);
}
// copy on cancel/failure so that any files that were created will be removed below
std::copy (newfiles.begin(), newfiles.end(), std::back_inserter(all_new_sources));
if (status.cancel) {
break;
}
for (Sources::iterator i = newfiles.begin(); i != newfiles.end(); ++i) {
if ((afs = std::dynamic_pointer_cast<AudioFileSource>(*i)) != 0) {
afs->prepare_for_peakfile_writes ();
}
}
if (source) { // audio
status.doing_what = compose_status_message (*p, source->samplerate(),
sample_rate(), status.current, status.total);
write_audio_data_to_new_files (source.get(), status, newfiles);
} else if (smf_reader) { // midi
status.doing_what = string_compose(_("Loading MIDI file %1"), *p);
write_midi_data_to_new_files (smf_reader.get(), status, newfiles, status.split_midi_channels);
if (status.import_markers) {
smf_reader->load_markers ();
for (auto const& m : smf_reader->markers ()) {
Temporal::Beats beats = Temporal::Beats::from_double (m.time_pulses / (double) smf_reader->ppqn ());
// XXX import to all sources (in case split_midi_channels is set)?
newfiles.front()->add_cue_marker (CueMarker (m.text, timepos_t (beats)));
}
}
}
++status.current;
status.progress = 0;
}
if (!status.cancel) {
struct tm* now;
time_t xnow;
time (&xnow);
now = localtime (&xnow);
status.freeze = true;
/* flush the final length(s) to the header(s) */
for (Sources::iterator x = all_new_sources.begin(); x != all_new_sources.end(); ) {
if ((afs = std::dynamic_pointer_cast<AudioFileSource>(*x)) != 0) {
afs->update_header((*x)->natural_position().samples(), *now, xnow);
afs->done_with_peakfile_writes ();
/* now that there is data there, requeue the file for analysis */
if (Config->get_auto_analyse_audio()) {
Analyser::queue_source_for_analysis (std::static_pointer_cast<Source>(*x), false);
}
}
/* imported, copied files cannot be written or removed
*/
std::shared_ptr<FileSource> fs = std::dynamic_pointer_cast<FileSource>(*x);
if (fs) {
/* Only audio files should be marked as
immutable - we may need to rewrite MIDI
files at any time.
*/
if (std::dynamic_pointer_cast<AudioFileSource> (fs)) {
fs->mark_immutable ();
} else {
fs->mark_immutable_except_write ();
}
fs->mark_nonremovable ();
}
/* don't create tracks for empty MIDI sources (channels) */
if ((smfs = std::dynamic_pointer_cast<SMFSource>(*x)) != 0 && smfs->is_empty()) {
x = all_new_sources.erase(x);
} else {
++x;
}
}
std::copy (all_new_sources.begin(), all_new_sources.end(), std::back_inserter(status.sources));
} else {
try {
std::for_each (all_new_sources.begin(), all_new_sources.end(), remove_file_source);
} catch (...) {
error << _("Failed to remove some files after failed/cancelled import operation") << endmsg;
}
}
status.done = true;
}
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