Files
ardour/libs/ardour/import.cc
Tim Mayberry 3bf4a04d94 Use std::auto_ptr instead of boost::scoped_ptr in Session::import_audiofile
git-svn-id: svn://localhost/ardour2/trunk@2665 d708f5d6-7413-0410-9779-e7cbd77b26cf
2007-11-15 02:31:46 +00:00

269 lines
6.5 KiB
C++

/*
Copyright (C) 2000 Paul Davis
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 <cstdlib>
#include <string>
#include <climits>
#include <cerrno>
#include <unistd.h>
#include <sys/stat.h>
#include <time.h>
#include <sndfile.h>
#include <samplerate.h>
#include <glibmm.h>
#include <boost/scoped_array.hpp>
#include <boost/shared_array.hpp>
#include <pbd/basename.h>
#include <pbd/convert.h>
#include <ardour/ardour.h>
#include <ardour/session.h>
#include <ardour/session_directory.h>
#include <ardour/audio_diskstream.h>
#include <ardour/sndfilesource.h>
#include <ardour/sndfile_helpers.h>
#include <ardour/audioregion.h>
#include <ardour/region_factory.h>
#include <ardour/source_factory.h>
#include <ardour/resampled_source.h>
#include "i18n.h"
using namespace ARDOUR;
using namespace PBD;
std::string
get_non_existent_filename (const std::string& basename, uint channel, uint channels)
{
char buf[PATH_MAX+1];
bool goodfile = false;
string base(basename);
do {
if (channels == 2) {
if (channel == 0) {
snprintf (buf, sizeof(buf), "%s-L.wav", base.c_str());
} else {
snprintf (buf, sizeof(buf), "%s-R.wav", base.c_str());
}
} else if (channels > 1) {
snprintf (buf, sizeof(buf), "%s-c%d.wav", base.c_str(), channel+1);
} else {
snprintf (buf, sizeof(buf), "%s.wav", base.c_str());
}
if (sys::exists (buf)) {
/* if the file already exists, we must come up with
* a new name for it. for now we just keep appending
* _ to basename
*/
base += "_";
} else {
goodfile = true;
}
} while ( !goodfile);
return buf;
}
void
write_audio_data_to_new_files (ImportableSource* source, Session::import_status& status,
vector<boost::shared_ptr<AudioFileSource> >& newfiles)
{
const nframes_t nframes = ResampledImportableSource::blocksize;
uint channels = source->channels();
boost::scoped_array<float> data(new float[nframes * channels]);
vector<boost::shared_array<Sample> > channel_data;
for (uint n = 0; n < channels; ++n) {
channel_data.push_back(boost::shared_array<Sample>(new Sample[nframes]));
}
uint read_count = 0;
status.progress = 0.0f;
while (!status.cancel) {
nframes_t nread, nfread;
uint x;
uint chn;
if ((nread = source->read (data.get(), nframes)) == 0) {
break;
}
nfread = nread / channels;
/* de-interleave */
for (chn = 0; chn < channels; ++chn) {
nframes_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) {
newfiles[chn]->write (channel_data[chn].get(), nfread);
}
read_count += nread;
status.progress = read_count / (source->ratio () * source->length() * channels);
}
}
int
Session::import_audiofile (import_status& status)
{
SF_INFO info;
string basepath;
int ret = -1;
vector<string> new_paths;
struct tm* now;
uint32_t cnt = 1;
status.sources.clear ();
for (vector<Glib::ustring>::iterator p = status.paths.begin(); p != status.paths.end(); ++p, ++cnt) {
boost::shared_ptr<SNDFILE> in (sf_open (p->c_str(), SFM_READ, &info), sf_close);
if (!in) {
error << string_compose(_("Import: cannot open input sound file \"%1\""), (*p)) << endmsg;
status.done = 1;
status.cancel = 1;
return -1;
}
std::auto_ptr<ImportableSource> importable;
if ((nframes_t) info.samplerate != frame_rate()) {
importable.reset(new ResampledImportableSource (in.get(), &info, frame_rate(), status.quality));
} else {
importable.reset(new ImportableSource (in.get(), &info));
}
vector<boost::shared_ptr<AudioFileSource> > newfiles;
for (int n = 0; n < info.channels; ++n) {
newfiles.push_back (boost::shared_ptr<AudioFileSource>());
}
SessionDirectory sdir(get_best_session_directory_for_new_source ());
basepath = PBD::basename_nosuffix ((*p));
for (int n = 0; n < info.channels; ++n) {
std::string filename = get_non_existent_filename (basepath, n, info.channels);
sys::path filepath = sdir.sound_path() / filename;
try {
newfiles[n] = boost::dynamic_pointer_cast<AudioFileSource> (SourceFactory::createWritable (DataType::AUDIO, *this, filepath.to_string().c_str(), false, frame_rate()));
}
catch (failed_constructor& err) {
error << string_compose(_("Session::import_audiofile: cannot open new file source for channel %1"), n+1) << endmsg;
goto out;
}
new_paths.push_back (filepath.to_string());
newfiles[n]->prepare_for_peakfile_writes ();
}
if ((nframes_t) info.samplerate != frame_rate()) {
status.doing_what = string_compose (_("converting %1\n(resample from %2KHz to %3KHz)\n(%4 of %5)"),
basepath,
info.samplerate/1000.0f,
frame_rate()/1000.0f,
cnt, status.paths.size());
} else {
status.doing_what = string_compose (_("converting %1\n(%2 of %3)"),
basepath,
cnt, status.paths.size());
}
write_audio_data_to_new_files (importable.get(), status, newfiles);
if (status.cancel) {
goto out;
}
for (int n = 0; n < info.channels; ++n) {
status.sources.push_back (newfiles[n]);
}
if (status.cancel) {
goto out;
}
}
status.freeze = true;
time_t xnow;
time (&xnow);
now = localtime (&xnow);
/* flush the final length(s) to the header(s) */
for (SourceList::iterator x = status.sources.begin(); x != status.sources.end() && !status.cancel; ++x) {
boost::dynamic_pointer_cast<AudioFileSource>(*x)->update_header(0, *now, xnow);
boost::dynamic_pointer_cast<AudioSource>(*x)->done_with_peakfile_writes ();
}
/* save state so that we don't lose these new Sources */
if (!status.cancel) {
save_state (_name);
}
ret = 0;
out:
if (status.cancel) {
status.sources.clear ();
for (vector<string>::iterator i = new_paths.begin(); i != new_paths.end(); ++i) {
sys::remove (*i);
}
}
status.done = true;
return ret;
}