libs/ardour/export_formats.cc

   1 /*
   2     Copyright (C) 2008 Paul Davis
   3     Author: Sakari Bergen
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18
  19 */
  20
  21 #include "ardour/export_formats.h"
  22
  23 #include "i18n.h"
  24
  25 using namespace std;
  26
  27 namespace ARDOUR
  28 {
  29
  30 bool
  31 ExportFormat::has_sample_format ()
  32 {
  33         return dynamic_cast<HasSampleFormat *> (this);
  34 }
  35
  36 bool
  37 ExportFormat::sample_format_is_compatible (SampleFormat format) const
  38 {
  39         return (sample_formats.find (format) != sample_formats.end());
  40 }
  41
  42 /*** HasSampleFormat ***/
  43
  44 HasSampleFormat::HasSampleFormat (ExportFormatBase::SampleFormatSet & sample_formats) :
  45   _sample_formats (sample_formats)
  46 {
  47         /* Dither Types */
  48
  49         add_dither_type (ExportFormatBase::D_Shaped, _("Shaped Noise"));
  50         add_dither_type (ExportFormatBase::D_Tri, _("Triangular"));
  51         add_dither_type (ExportFormatBase::D_Rect, _("Rectangular"));
  52         add_dither_type (ExportFormatBase::D_None,  _("None"));
  53 }
  54
  55 void
  56 HasSampleFormat::add_sample_format (ExportFormatBase::SampleFormat format)
  57 {
  58         _sample_formats.insert (format);
  59
  60         SampleFormatPtr ptr (new SampleFormatState (format, get_sample_format_name (format)));
  61         sample_format_states.push_back (ptr);
  62         ptr->SelectChanged.connect_same_thread (*this, boost::bind (&HasSampleFormat::update_sample_format_selection, this, _1));
  63         // BOOST SIGNALS Could this be made any uglier?
  64         ptr->SelectChanged.connect_same_thread (*this,
  65                 boost::bind (boost::type<void> (), boost::ref (SampleFormatSelectChanged), _1, WeakSampleFormatPtr (ptr)));
  66         ptr->CompatibleChanged.connect_same_thread (*this,
  67                 boost::bind (boost::type<void> (), boost::ref (SampleFormatCompatibleChanged), _1, WeakSampleFormatPtr (ptr)));
  68 }
  69
  70 void
  71 HasSampleFormat::add_dither_type (ExportFormatBase::DitherType type, Glib::ustring name)
  72 {
  73         DitherTypePtr ptr (new DitherTypeState (type, name));
  74         dither_type_states.push_back (ptr);
  75         ptr->SelectChanged.connect_same_thread (*this, boost::bind (&HasSampleFormat::update_dither_type_selection, this, _1));
  76         // BOOST SIGNALS Could this be made any uglier?
  77         ptr->SelectChanged.connect_same_thread (*this,
  78                 boost::bind (boost::type<void> (), boost::ref (DitherTypeSelectChanged), _1, WeakDitherTypePtr (ptr)));
  79         ptr->CompatibleChanged.connect_same_thread (*this,
  80                 boost::bind (boost::type<void> (),boost::ref ( DitherTypeCompatibleChanged), _1, WeakDitherTypePtr (ptr)));
  81 }
  82
  83 HasSampleFormat::SampleFormatPtr
  84 HasSampleFormat::get_selected_sample_format ()
  85 {
  86         for (SampleFormatList::iterator it = sample_format_states.begin(); it != sample_format_states.end(); ++it) {
  87                 if ((*it)->selected()) {
  88                         return *it;
  89                 }
  90         }
  91
  92         return SampleFormatPtr();
  93 }
  94
  95 HasSampleFormat::DitherTypePtr
  96 HasSampleFormat::get_selected_dither_type ()
  97 {
  98         for (DitherTypeList::iterator it = dither_type_states.begin(); it != dither_type_states.end(); ++it) {
  99                 if ((*it)->selected()) {
 100                         return *it;
 101                 }
 102         }
 103
 104         return DitherTypePtr();
 105 }
 106
 107 void
 108 HasSampleFormat::update_sample_format_selection (bool)
 109 {
 110         SampleFormatPtr format = get_selected_sample_format();
 111         if (!format) {
 112                 return;
 113         }
 114
 115         if (format->format == ExportFormatBase::SF_24 ||
 116             format->format == ExportFormatBase::SF_32 ||
 117             format->format == ExportFormatBase::SF_Float ||
 118             format->format == ExportFormatBase::SF_Double) {
 119                 for (DitherTypeList::iterator it = dither_type_states.begin(); it != dither_type_states.end(); ++it) {
 120                         if ((*it)->type == ExportFormatBase::D_None) {
 121                                 (*it)->set_selected (true);
 122                         } else {
 123                                 (*it)->set_compatible (false);
 124                         }
 125                 }
 126
 127         } else {
 128                 for (DitherTypeList::iterator it = dither_type_states.begin(); it != dither_type_states.end(); ++it) {
 129                         (*it)->set_compatible (true);
 130                 }
 131         }
 132 }
 133
 134 void
 135 HasSampleFormat::update_dither_type_selection (bool)
 136 {
 137         DitherTypePtr type = get_selected_dither_type();
 138         if (!type) {
 139                 return;
 140         }
 141
 142         if (!type->compatible()) {
 143                 SampleFormatPtr format = get_selected_sample_format();
 144                 if (format) {
 145                         format->set_selected (false);
 146                 }
 147
 148                 for (DitherTypeList::iterator it = dither_type_states.begin(); it != dither_type_states.end(); ++it) {
 149                         (*it)->set_compatible (true);
 150                 }
 151         }
 152 }
 153
 154 string
 155 HasSampleFormat::get_sample_format_name (ExportFormatBase::SampleFormat format)
 156 {
 157         switch (format) {
 158           case ExportFormatBase::SF_8:
 159                 return _("8bit");
 160           case ExportFormatBase::SF_16:
 161                 return _("16bit");
 162           case ExportFormatBase::SF_24:
 163                 return _("24bit");
 164           case ExportFormatBase::SF_32:
 165                 return _("32bit");
 166           case ExportFormatBase::SF_Float:
 167                 return _("float");
 168           case ExportFormatBase::SF_Double:
 169                 return _("double");
 170           case ExportFormatBase::SF_U8:
 171                 return _("8bit unsigned");
 172           case ExportFormatBase::SF_Vorbis:
 173                 return _("Vorbis sample format");
 174           case ExportFormatBase::SF_None:
 175                 return _("No sample format");
 176         }
 177         return "";
 178 }
 179
 180 /*** Linear ***/
 181
 182 ExportFormatLinear::ExportFormatLinear (Glib::ustring name, FormatId format_id) :
 183   HasSampleFormat (sample_formats),
 184   _default_sample_format (SF_None)
 185 {
 186         set_name (name);
 187         set_format_id (format_id);
 188
 189         add_sample_rate (SR_22_05);
 190         add_sample_rate (SR_44_1);
 191         add_sample_rate (SR_48);
 192         add_sample_rate (SR_88_2);
 193         add_sample_rate (SR_96);
 194         add_sample_rate (SR_192);
 195
 196         add_endianness (E_FileDefault);
 197
 198         set_quality (Q_LosslessLinear);
 199 }
 200
 201 bool
 202 ExportFormatLinear::set_compatibility_state (ExportFormatCompatibility const & compatibility)
 203 {
 204         /* Global state */
 205
 206         bool compatible = true;
 207
 208         if (!compatibility.has_quality (Q_LosslessLinear)) {
 209                 compatible = false;
 210         }
 211
 212         if (!compatibility.has_format (get_format_id())) {
 213                 compatible = false;
 214         }
 215
 216         boost::shared_ptr<ExportFormatBase> intersection = get_intersection (compatibility);
 217
 218         if (intersection->endiannesses_empty()) {
 219                 compatible = false;
 220         }
 221
 222         if (intersection->sample_rates_empty()) {
 223                 compatible = false;
 224         }
 225
 226         if (intersection->sample_formats_empty()) {
 227                 compatible = false;
 228         }
 229
 230         set_compatible (compatible);
 231
 232         /* Sample Formats */
 233
 234         for (SampleFormatList::iterator it = sample_format_states.begin(); it != sample_format_states.end(); ++it) {
 235                 (*it)->set_compatible (compatibility.has_sample_format ((*it)->format));
 236         }
 237
 238         return compatible;
 239 }
 240
 241 /*** Ogg Vorbis ***/
 242
 243 ExportFormatOggVorbis::ExportFormatOggVorbis ()
 244 {
 245         /* Check system compatibility */
 246
 247         SF_INFO sf_info;
 248         sf_info.channels = 2;
 249         sf_info.samplerate = SR_44_1;
 250         sf_info.format = F_Ogg | SF_Vorbis;
 251         if (sf_format_check (&sf_info) != SF_TRUE) {
 252                 throw ExportFormatIncompatible();
 253         }
 254
 255         set_name ("Ogg Vorbis");
 256         set_format_id (F_Ogg);
 257         sample_formats.insert (SF_Vorbis);
 258
 259         add_sample_rate (SR_22_05);
 260         add_sample_rate (SR_44_1);
 261         add_sample_rate (SR_48);
 262         add_sample_rate (SR_88_2);
 263         add_sample_rate (SR_96);
 264         add_sample_rate (SR_192);
 265
 266         add_endianness (E_FileDefault);
 267
 268         set_extension ("ogg");
 269         set_quality (Q_LossyCompression);
 270 }
 271
 272 bool
 273 ExportFormatOggVorbis::set_compatibility_state (ExportFormatCompatibility const & compatibility)
 274 {
 275         bool compatible = compatibility.has_format (F_Ogg);
 276         set_compatible (compatible);
 277         return compatible;
 278 }
 279
 280 /*** FLAC ***/
 281
 282 ExportFormatFLAC::ExportFormatFLAC () :
 283   HasSampleFormat (sample_formats)
 284 {
 285         /* Check system compatibility */
 286
 287         SF_INFO sf_info;
 288         sf_info.channels = 2;
 289         sf_info.samplerate = SR_44_1;
 290         sf_info.format = F_FLAC | SF_16;
 291         if (sf_format_check (&sf_info) != SF_TRUE) {
 292                 throw ExportFormatIncompatible();
 293         }
 294
 295         set_name ("FLAC");
 296         set_format_id (F_FLAC);
 297
 298         add_sample_rate (SR_22_05);
 299         add_sample_rate (SR_44_1);
 300         add_sample_rate (SR_48);
 301         add_sample_rate (SR_88_2);
 302         add_sample_rate (SR_96);
 303         add_sample_rate (SR_192);
 304
 305         add_sample_format (SF_8);
 306         add_sample_format (SF_16);
 307         add_sample_format (SF_24);
 308
 309         add_endianness (E_FileDefault);
 310
 311         set_extension ("flac");
 312         set_quality (Q_LosslessCompression);
 313 }
 314
 315 bool
 316 ExportFormatFLAC::set_compatibility_state (ExportFormatCompatibility const & compatibility)
 317 {
 318         bool compatible = compatibility.has_format (F_FLAC);
 319         set_compatible (compatible);
 320         return compatible;
 321 }
 322
 323 /*** BWF ***/
 324
 325 ExportFormatBWF::ExportFormatBWF () :
 326   HasSampleFormat (sample_formats)
 327 {
 328         set_name ("BWF");
 329         set_format_id (F_WAV);
 330
 331         add_sample_rate (SR_22_05);
 332         add_sample_rate (SR_44_1);
 333         add_sample_rate (SR_48);
 334         add_sample_rate (SR_88_2);
 335         add_sample_rate (SR_96);
 336         add_sample_rate (SR_192);
 337
 338         add_sample_format (SF_U8);
 339         add_sample_format (SF_16);
 340         add_sample_format (SF_24);
 341         add_sample_format (SF_32);
 342         add_sample_format (SF_Float);
 343         add_sample_format (SF_Double);
 344
 345         add_endianness (E_FileDefault);
 346
 347         set_extension ("wav");
 348         set_quality (Q_LosslessLinear);
 349 }
 350
 351 bool
 352 ExportFormatBWF::set_compatibility_state (ExportFormatCompatibility const & compatibility)
 353 {
 354         bool compatible = compatibility.has_format (F_WAV);
 355         set_compatible (compatible);
 356         return compatible;
 357 }
 358
 359 }; // namespace ARDOUR