libs/ardour/import.cc

   1 /*
   2     Copyright (C) 2000 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #include <cstdio>
  21 #include <cstdlib>
  22 #include <string>
  23 #include <climits>
  24 #include <cerrno>
  25 #include <unistd.h>
  26 #include <sys/stat.h>
  27 #include <time.h>
  28
  29 #include <sndfile.h>
  30 #include <samplerate.h>
  31
  32 #include <glibmm.h>
  33
  34 #include <pbd/basename.h>
  35 #include <pbd/convert.h>
  36
  37 #include <ardour/ardour.h>
  38 #include <ardour/session.h>
  39 #include <ardour/audio_diskstream.h>
  40 #include <ardour/sndfilesource.h>
  41 #include <ardour/sndfile_helpers.h>
  42 #include <ardour/audioregion.h>
  43 #include <ardour/region_factory.h>
  44 #include <ardour/source_factory.h>
  45 #include <ardour/resampled_source.h>
  46
  47 #include "i18n.h"
  48
  49 using namespace ARDOUR;
  50 using namespace PBD;
  51
  52 int
  53 Session::import_audiofile (import_status& status)
  54 {
  55         SNDFILE *in;
  56         vector<boost::shared_ptr<AudioFileSource> > newfiles;
  57         SF_INFO info;
  58         float *data = 0;
  59         Sample **channel_data = 0;
  60         int nfiles = 0;
  61         string basepath;
  62         string sounds_dir;
  63         nframes_t so_far;
  64         char buf[PATH_MAX+1];
  65         int ret = -1;
  66         vector<string> new_paths;
  67         struct tm* now;
  68         ImportableSource* importable = 0;
  69         const nframes_t nframes = ResampledImportableSource::blocksize;
  70         uint32_t cnt = 1;
  71
  72         status.sources.clear ();
  73
  74         for (vector<Glib::ustring>::iterator p = status.paths.begin(); p != status.paths.end(); ++p, ++cnt) {
  75
  76                 if ((in = sf_open ((*p).c_str(), SFM_READ, &info)) == 0) {
  77                         error << string_compose(_("Import: cannot open input sound file \"%1\""), (*p)) << endmsg;
  78                         status.done = 1;
  79                         status.cancel = 1;
  80                         return -1;
  81                 }
  82
  83                 if ((nframes_t) info.samplerate != frame_rate()) {
  84                         importable = new ResampledImportableSource (in, &info, frame_rate(), status.quality);
  85                 } else {
  86                         importable = new ImportableSource (in, &info);
  87                 }
  88
  89                 newfiles.clear ();
  90
  91                 for (int n = 0; n < info.channels; ++n) {
  92                         newfiles.push_back (boost::shared_ptr<AudioFileSource>());
  93                 }
  94
  95                 sounds_dir = discover_best_sound_dir ();
  96                 basepath = PBD::basename_nosuffix ((*p));
  97
  98                 for (int n = 0; n < info.channels; ++n) {
  99
 100                         bool goodfile = false;
 101
 102                         do {
 103                                 if (info.channels == 2) {
 104                                         if (n == 0) {
 105                                                 snprintf (buf, sizeof(buf), "%s/%s-L.wav", sounds_dir.c_str(), basepath.c_str());
 106                                         } else {
 107                                                 snprintf (buf, sizeof(buf), "%s/%s-R.wav", sounds_dir.c_str(), basepath.c_str());
 108                                         }
 109                                 } else if (info.channels > 1) {
 110                                         snprintf (buf, sizeof(buf), "%s/%s-c%d.wav", sounds_dir.c_str(), basepath.c_str(), n+1);
 111                                 } else {
 112                                         snprintf (buf, sizeof(buf), "%s/%s.wav", sounds_dir.c_str(), basepath.c_str());
 113                                 }
 114
 115                                 if (Glib::file_test (buf, Glib::FILE_TEST_EXISTS)) {
 116
 117                                         /* if the file already exists, we must come up with
 118                                          *  a new name for it.  for now we just keep appending
 119                                          *  _ to basepath
 120                                          */
 121
 122                                         basepath += "_";
 123
 124                                 } else {
 125
 126                                         goodfile = true;
 127                                 }
 128
 129                         } while ( !goodfile);
 130
 131                         try {
 132                                 newfiles[n] = boost::dynamic_pointer_cast<AudioFileSource> (SourceFactory::createWritable (*this, buf, false, frame_rate()));
 133                         }
 134
 135                         catch (failed_constructor& err) {
 136                                 error << string_compose(_("Session::import_audiofile: cannot open new file source for channel %1"), n+1) << endmsg;
 137                                 goto out;
 138                         }
 139
 140                         new_paths.push_back (buf);
 141                         newfiles[n]->prepare_for_peakfile_writes ();
 142                         nfiles++;
 143                 }
 144
 145                 data = new float[nframes * info.channels];
 146                 channel_data = new Sample * [ info.channels ];
 147
 148                 for (int n = 0; n < info.channels; ++n) {
 149                         channel_data[n] = new Sample[nframes];
 150                 }
 151
 152                 so_far = 0;
 153
 154                 if ((nframes_t) info.samplerate != frame_rate()) {
 155                         status.doing_what = string_compose (_("converting %1\n(resample from %2KHz to %3KHz)\n(%4 of %5)"),
 156                                                             basepath,
 157                                                             info.samplerate/1000.0f,
 158                                                             frame_rate()/1000.0f,
 159                                                             cnt, status.paths.size());
 160
 161                 } else {
 162                         status.doing_what = string_compose (_("converting %1\n(%2 of %3)"),
 163                                                             basepath,
 164                                                             cnt, status.paths.size());
 165
 166                 }
 167
 168                 status.progress = 0.0;
 169
 170                 while (!status.cancel) {
 171
 172                         nframes_t nread, nfread;
 173                         long x;
 174                         long chn;
 175
 176                         if ((nread = importable->read (data, nframes)) == 0) {
 177                                 break;
 178                         }
 179                         nfread = nread / info.channels;
 180
 181                         /* de-interleave */
 182
 183                         for (chn = 0; chn < info.channels; ++chn) {
 184
 185                                 nframes_t n;
 186                                 for (x = chn, n = 0; n < nfread; x += info.channels, ++n) {
 187                                         channel_data[chn][n] = (Sample) data[x];
 188                                 }
 189                         }
 190
 191                         /* flush to disk */
 192
 193                         for (chn = 0; chn < info.channels; ++chn) {
 194                                 newfiles[chn]->write (channel_data[chn], nfread);
 195                         }
 196
 197                         so_far += nread;
 198                         status.progress = so_far / (importable->ratio () * info.frames * info.channels);
 199                 }
 200
 201                 if (status.cancel) {
 202                         goto out;
 203                 }
 204
 205                 for (int n = 0; n < info.channels; ++n) {
 206                         status.sources.push_back (newfiles[n]);
 207                 }
 208
 209                 if (status.cancel) {
 210                         goto out;
 211                 }
 212         }
 213
 214         status.freeze = true;
 215
 216         time_t xnow;
 217         time (&xnow);
 218         now = localtime (&xnow);
 219
 220         /* flush the final length(s) to the header(s) */
 221
 222         for (SourceList::iterator x = status.sources.begin(); x != status.sources.end() && !status.cancel; ++x) {
 223                 boost::dynamic_pointer_cast<AudioFileSource>(*x)->update_header(0, *now, xnow);
 224                 boost::dynamic_pointer_cast<AudioSource>(*x)->done_with_peakfile_writes ();
 225         }
 226
 227         /* save state so that we don't lose these new Sources */
 228
 229         if (!status.cancel) {
 230                 save_state (_name);
 231         }
 232
 233         ret = 0;
 234
 235   out:
 236
 237         if (data) {
 238                 delete [] data;
 239         }
 240
 241         if (channel_data) {
 242                 for (int n = 0; n < info.channels; ++n) {
 243                         delete [] channel_data[n];
 244                 }
 245                 delete [] channel_data;
 246         }
 247
 248         if (status.cancel) {
 249
 250                 status.sources.clear ();
 251
 252                 for (vector<string>::iterator i = new_paths.begin(); i != new_paths.end(); ++i) {
 253                         unlink ((*i).c_str());
 254                 }
 255         }
 256
 257         if (importable) {
 258                 delete importable;
 259         }
 260
 261         sf_close (in);
 262         status.done = true;
 263
 264         return ret;
 265 }