2 Copyright (C) 2008 Paul Davis
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.
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.
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.
21 #include "ardour/export_format_manager.h"
23 #include "ardour/export_format_specification.h"
24 #include "ardour/export_format_compatibility.h"
33 ExportFormatManager::ExportFormatManager (ExportFormatSpecPtr specification) :
34 pending_selection_change (false),
35 universal_set (new ExportFormatBase ())
37 current_selection = specification;
39 init_compatibilities ();
44 prev_description = current_selection->description();
47 ExportFormatManager::~ExportFormatManager ()
53 ExportFormatManager::init_compatibilities ()
55 ExportFormatCompatibilityPtr c_ptr;
57 c_ptr.reset (new ExportFormatCompatibility (_("CD")));
58 c_ptr->add_sample_rate (ExportFormatBase::SR_44_1);
59 c_ptr->add_format_id (ExportFormatBase::F_WAV);
60 c_ptr->add_format_id (ExportFormatBase::F_AIFF);
61 c_ptr->add_quality (ExportFormatBase::Q_LosslessLinear);
62 c_ptr->add_sample_format (ExportFormatBase::SF_16);
63 c_ptr->add_endianness (ExportFormatBase::E_FileDefault);
64 add_compatibility (c_ptr);
66 c_ptr.reset (new ExportFormatCompatibility (_("DVD-A")));
67 c_ptr->add_sample_rate (ExportFormatBase::SR_44_1);
68 c_ptr->add_sample_rate (ExportFormatBase::SR_48);
69 c_ptr->add_sample_rate (ExportFormatBase::SR_88_2);
70 c_ptr->add_sample_rate (ExportFormatBase::SR_96);
71 c_ptr->add_sample_rate (ExportFormatBase::SR_192);
72 c_ptr->add_format_id (ExportFormatBase::F_WAV);
73 c_ptr->add_format_id (ExportFormatBase::F_AIFF);
74 c_ptr->add_quality (ExportFormatBase::Q_LosslessLinear);
75 c_ptr->add_sample_format (ExportFormatBase::SF_16);
76 c_ptr->add_sample_format (ExportFormatBase::SF_24);
77 c_ptr->add_endianness (ExportFormatBase::E_FileDefault);
78 add_compatibility (c_ptr);
80 c_ptr.reset (new ExportFormatCompatibility (_("iPod")));
81 c_ptr->add_sample_rate (ExportFormatBase::SR_44_1);
82 c_ptr->add_sample_rate (ExportFormatBase::SR_48);
83 c_ptr->add_format_id (ExportFormatBase::F_WAV);
84 c_ptr->add_format_id (ExportFormatBase::F_AIFF);
85 c_ptr->add_quality (ExportFormatBase::Q_LosslessLinear);
86 c_ptr->add_sample_format (ExportFormatBase::SF_16);
87 c_ptr->add_sample_format (ExportFormatBase::SF_24);
88 c_ptr->add_endianness (ExportFormatBase::E_FileDefault);
89 add_compatibility (c_ptr);
91 c_ptr.reset (new ExportFormatCompatibility (_("Something else")));
92 c_ptr->add_sample_rate (ExportFormatBase::SR_44_1);
93 c_ptr->add_sample_rate (ExportFormatBase::SR_48);
94 c_ptr->add_format_id (ExportFormatBase::F_WAV);
95 c_ptr->add_format_id (ExportFormatBase::F_AIFF);
96 c_ptr->add_format_id (ExportFormatBase::F_AU);
97 c_ptr->add_format_id (ExportFormatBase::F_FLAC);
98 c_ptr->add_quality (ExportFormatBase::Q_LosslessLinear);
99 c_ptr->add_quality (ExportFormatBase::Q_LosslessCompression);
100 c_ptr->add_sample_format (ExportFormatBase::SF_16);
101 c_ptr->add_sample_format (ExportFormatBase::SF_24);
102 c_ptr->add_sample_format (ExportFormatBase::SF_32);
103 c_ptr->add_endianness (ExportFormatBase::E_FileDefault);
104 add_compatibility (c_ptr);
108 ExportFormatManager::init_qualities ()
110 add_quality (QualityPtr (new QualityState (ExportFormatBase::Q_Any, _("Any"))));
111 add_quality (QualityPtr (new QualityState (ExportFormatBase::Q_LosslessLinear, _("Lossless (linear PCM)"))));
112 add_quality (QualityPtr (new QualityState (ExportFormatBase::Q_LossyCompression, _("Lossy compression"))));
113 add_quality (QualityPtr (new QualityState (ExportFormatBase::Q_LosslessCompression, _("Lossless compression"))));
117 ExportFormatManager::init_formats ()
119 ExportFormatPtr f_ptr;
120 ExportFormatLinear * fl_ptr;
122 f_ptr.reset (fl_ptr = new ExportFormatLinear ("AIFF", ExportFormatBase::F_AIFF));
123 fl_ptr->add_sample_format (ExportFormatBase::SF_U8);
124 fl_ptr->add_sample_format (ExportFormatBase::SF_8);
125 fl_ptr->add_sample_format (ExportFormatBase::SF_16);
126 fl_ptr->add_sample_format (ExportFormatBase::SF_24);
127 fl_ptr->add_sample_format (ExportFormatBase::SF_32);
128 fl_ptr->add_sample_format (ExportFormatBase::SF_Float);
129 fl_ptr->add_sample_format (ExportFormatBase::SF_Double);
130 fl_ptr->add_endianness (ExportFormatBase::E_Big);
131 fl_ptr->set_default_sample_format (ExportFormatBase::SF_16);
132 fl_ptr->set_extension ("aiff");
135 f_ptr.reset (fl_ptr = new ExportFormatLinear ("AU", ExportFormatBase::F_AU));
136 fl_ptr->add_sample_format (ExportFormatBase::SF_8);
137 fl_ptr->add_sample_format (ExportFormatBase::SF_16);
138 fl_ptr->add_sample_format (ExportFormatBase::SF_24);
139 fl_ptr->add_sample_format (ExportFormatBase::SF_32);
140 fl_ptr->add_sample_format (ExportFormatBase::SF_Float);
141 fl_ptr->add_sample_format (ExportFormatBase::SF_Double);
142 fl_ptr->set_default_sample_format (ExportFormatBase::SF_16);
143 fl_ptr->set_extension ("au");
146 f_ptr.reset (new ExportFormatBWF ());
149 f_ptr.reset (fl_ptr = new ExportFormatLinear ("IRCAM", ExportFormatBase::F_IRCAM));
150 fl_ptr->add_sample_format (ExportFormatBase::SF_16);
151 fl_ptr->add_sample_format (ExportFormatBase::SF_24);
152 fl_ptr->add_sample_format (ExportFormatBase::SF_32);
153 fl_ptr->add_sample_format (ExportFormatBase::SF_Float);
154 fl_ptr->set_default_sample_format (ExportFormatBase::SF_24);
155 fl_ptr->set_extension ("sf");
158 f_ptr.reset (fl_ptr = new ExportFormatLinear ("WAV", ExportFormatBase::F_WAV));
159 fl_ptr->add_sample_format (ExportFormatBase::SF_U8);
160 fl_ptr->add_sample_format (ExportFormatBase::SF_16);
161 fl_ptr->add_sample_format (ExportFormatBase::SF_24);
162 fl_ptr->add_sample_format (ExportFormatBase::SF_32);
163 fl_ptr->add_sample_format (ExportFormatBase::SF_Float);
164 fl_ptr->add_sample_format (ExportFormatBase::SF_Double);
165 fl_ptr->add_endianness (ExportFormatBase::E_Little);
166 fl_ptr->set_default_sample_format (ExportFormatBase::SF_16);
167 fl_ptr->set_extension ("wav");
170 f_ptr.reset (fl_ptr = new ExportFormatLinear ("W64", ExportFormatBase::F_W64));
171 fl_ptr->add_sample_format (ExportFormatBase::SF_U8);
172 fl_ptr->add_sample_format (ExportFormatBase::SF_16);
173 fl_ptr->add_sample_format (ExportFormatBase::SF_24);
174 fl_ptr->add_sample_format (ExportFormatBase::SF_32);
175 fl_ptr->add_sample_format (ExportFormatBase::SF_Float);
176 fl_ptr->add_sample_format (ExportFormatBase::SF_Double);
177 fl_ptr->set_default_sample_format (ExportFormatBase::SF_Double);
178 fl_ptr->set_extension ("w64");
181 f_ptr.reset (fl_ptr = new ExportFormatLinear ("CAF", ExportFormatBase::F_CAF));
182 fl_ptr->add_sample_format (ExportFormatBase::SF_U8);
183 fl_ptr->add_sample_format (ExportFormatBase::SF_16);
184 fl_ptr->add_sample_format (ExportFormatBase::SF_24);
185 fl_ptr->add_sample_format (ExportFormatBase::SF_32);
186 fl_ptr->add_sample_format (ExportFormatBase::SF_Float);
187 fl_ptr->add_sample_format (ExportFormatBase::SF_Double);
188 fl_ptr->set_default_sample_format (ExportFormatBase::SF_Float);
189 fl_ptr->set_extension ("caf");
192 f_ptr.reset (fl_ptr = new ExportFormatLinear ("RAW", ExportFormatBase::F_RAW));
193 fl_ptr->add_sample_format (ExportFormatBase::SF_U8);
194 fl_ptr->add_sample_format (ExportFormatBase::SF_8);
195 fl_ptr->add_sample_format (ExportFormatBase::SF_16);
196 fl_ptr->add_sample_format (ExportFormatBase::SF_24);
197 fl_ptr->add_sample_format (ExportFormatBase::SF_32);
198 fl_ptr->add_sample_format (ExportFormatBase::SF_Float);
199 fl_ptr->add_sample_format (ExportFormatBase::SF_Double);
200 fl_ptr->set_default_sample_format (ExportFormatBase::SF_Float);
201 fl_ptr->set_extension ("raw");
205 f_ptr.reset (new ExportFormatOggVorbis ());
207 } catch (ExportFormatIncompatible & e) {}
210 f_ptr.reset (new ExportFormatFLAC ());
212 } catch (ExportFormatIncompatible & e) {}
216 ExportFormatManager::init_sample_rates ()
218 add_sample_rate (SampleRatePtr (new SampleRateState (ExportFormatBase::SR_Session, _("Session rate"))));
219 add_sample_rate (SampleRatePtr (new SampleRateState (ExportFormatBase::SR_8, "8 kHz")));
220 add_sample_rate (SampleRatePtr (new SampleRateState (ExportFormatBase::SR_22_05, "22,05 kHz")));
221 add_sample_rate (SampleRatePtr (new SampleRateState (ExportFormatBase::SR_44_1, "44,1 kHz")));
222 add_sample_rate (SampleRatePtr (new SampleRateState (ExportFormatBase::SR_48, "48 kHz")));
223 add_sample_rate (SampleRatePtr (new SampleRateState (ExportFormatBase::SR_88_2, "88,2 kHz")));
224 add_sample_rate (SampleRatePtr (new SampleRateState (ExportFormatBase::SR_96, "96 kHz")));
225 add_sample_rate (SampleRatePtr (new SampleRateState (ExportFormatBase::SR_192, "192 kHz")));
229 ExportFormatManager::add_compatibility (ExportFormatCompatibilityPtr ptr)
231 compatibilities.push_back (ptr);
232 ptr->SelectChanged.connect_same_thread (*this,
233 boost::bind (&ExportFormatManager::change_compatibility_selection,
234 this, _1, WeakExportFormatCompatibilityPtr (ptr)));
238 ExportFormatManager::add_quality (QualityPtr ptr)
240 ptr->SelectChanged.connect_same_thread (*this, boost::bind (&ExportFormatManager::change_quality_selection, this, _1, WeakQualityPtr (ptr)));
241 qualities.push_back (ptr);
245 ExportFormatManager::add_format (ExportFormatPtr ptr)
247 formats.push_back (ptr);
248 ptr->SelectChanged.connect_same_thread (*this, boost::bind (&ExportFormatManager::change_format_selection, this, _1, WeakExportFormatPtr (ptr)));
249 universal_set = universal_set->get_union (*ptr);
251 /* Encoding options */
253 boost::shared_ptr<HasSampleFormat> hsf;
255 if ((hsf = boost::dynamic_pointer_cast<HasSampleFormat> (ptr))) {
256 hsf->SampleFormatSelectChanged.connect_same_thread (*this, boost::bind (&ExportFormatManager::change_sample_format_selection, this, _1, _2));
257 hsf->DitherTypeSelectChanged.connect_same_thread (*this, boost::bind (&ExportFormatManager::change_dither_type_selection, this, _1, _2));
262 ExportFormatManager::add_sample_rate (SampleRatePtr ptr)
264 ptr->SelectChanged.connect_same_thread (*this, boost::bind (&ExportFormatManager::change_sample_rate_selection, this, _1, WeakSampleRatePtr (ptr)));
265 sample_rates.push_back (ptr);
269 ExportFormatManager::set_name (string name)
271 current_selection->set_name (name);
272 check_for_description_change ();
276 ExportFormatManager::select_src_quality (ExportFormatBase::SRCQuality value)
278 current_selection->set_src_quality (value);
279 check_for_description_change ();
283 ExportFormatManager::select_with_cue (bool value)
285 current_selection->set_with_cue (value);
286 check_for_description_change ();
290 ExportFormatManager::select_with_toc (bool value)
292 current_selection->set_with_toc (value);
293 check_for_description_change ();
297 ExportFormatManager::select_trim_beginning (bool value)
299 current_selection->set_trim_beginning (value);
300 check_for_description_change ();
304 ExportFormatManager::select_silence_beginning (AnyTime const & time)
306 current_selection->set_silence_beginning (time);
307 check_for_description_change ();
311 ExportFormatManager::select_trim_end (bool value)
313 current_selection->set_trim_end (value);
314 check_for_description_change ();
318 ExportFormatManager::select_silence_end (AnyTime const & time)
320 current_selection->set_silence_end (time);
321 check_for_description_change ();
325 ExportFormatManager::select_normalize (bool value)
327 current_selection->set_normalize (value);
328 check_for_description_change ();
332 ExportFormatManager::select_normalize_target (float value)
334 current_selection->set_normalize_target (value);
335 check_for_description_change ();
339 ExportFormatManager::select_tagging (bool tag)
341 current_selection->set_tag (tag);
342 check_for_description_change ();
346 ExportFormatManager::change_compatibility_selection (bool select, WeakExportFormatCompatibilityPtr const & compat)
348 bool do_selection_changed = !pending_selection_change;
349 if (!pending_selection_change) {
350 pending_selection_change = true;
353 ExportFormatCompatibilityPtr ptr = compat.lock();
356 select_compatibility (ptr);
359 if (do_selection_changed) {
360 selection_changed ();
365 ExportFormatManager::change_quality_selection (bool select, WeakQualityPtr const & quality)
367 QualityPtr ptr = quality.lock ();
374 select_quality (ptr);
375 } else if (ptr->quality == current_selection->quality()) {
377 select_quality (ptr);
382 ExportFormatManager::change_format_selection (bool select, WeakExportFormatPtr const & format)
384 ExportFormatPtr ptr = format.lock();
392 } else if (ptr->get_format_id() == current_selection->format_id()) {
399 ExportFormatManager::change_sample_rate_selection (bool select, WeakSampleRatePtr const & rate)
401 SampleRatePtr ptr = rate.lock();
408 select_sample_rate (ptr);
409 } else if (ptr->rate == current_selection->sample_rate()) {
411 select_sample_rate (ptr);
416 ExportFormatManager::change_sample_format_selection (bool select, WeakSampleFormatPtr const & format)
418 SampleFormatPtr ptr = format.lock();
425 select_sample_format (ptr);
426 } else if (ptr->format == current_selection->sample_format()) {
428 select_sample_format (ptr);
433 ExportFormatManager::change_dither_type_selection (bool select, WeakDitherTypePtr const & type)
435 DitherTypePtr ptr = type.lock();
442 select_dither_type (ptr);
443 } else if (ptr->type == current_selection->dither_type()) {
445 select_dither_type (ptr);
450 ExportFormatManager::select_compatibility (WeakExportFormatCompatibilityPtr const & /*compat*/)
452 /* Calculate compatibility intersection for the selection */
454 ExportFormatBasePtr compat_intersect = get_compatibility_intersection ();
456 /* Unselect incompatible items */
458 boost::shared_ptr<ExportFormatBase> select_intersect;
460 select_intersect = compat_intersect->get_intersection (*current_selection);
461 if (select_intersect->qualities_empty()) {
462 select_quality (QualityPtr());
465 select_intersect = compat_intersect->get_intersection (*current_selection);
466 if (select_intersect->formats_empty()) {
467 select_format (ExportFormatPtr());
470 select_intersect = compat_intersect->get_intersection (*current_selection);
471 if (select_intersect->sample_rates_empty()) {
472 select_sample_rate (SampleRatePtr());
475 select_intersect = compat_intersect->get_intersection (*current_selection);
476 if (select_intersect->sample_formats_empty()) {
477 select_sample_format (SampleFormatPtr());
482 ExportFormatManager::select_quality (QualityPtr const & quality)
484 bool do_selection_changed = !pending_selection_change;
485 if (!pending_selection_change) {
486 pending_selection_change = true;
490 current_selection->set_quality (quality->quality);
492 /* Deselect format if it is incompatible */
494 ExportFormatPtr format = get_selected_format();
495 if (format && !format->has_quality (quality->quality)) {
496 format->set_selected (false);
500 current_selection->set_quality (ExportFormatBase::Q_None);
502 QualityPtr current_quality = get_selected_quality();
503 if (current_quality) {
504 current_quality->set_selected (false);
508 * A quality is never explicitly deselected without also deselecting the format
509 * so we don't need to deselect the format here.
510 * doing so causes extra complications
514 if (do_selection_changed) {
515 selection_changed ();
520 ExportFormatManager::select_format (ExportFormatPtr const & format)
522 bool do_selection_changed = !pending_selection_change;
523 if (!pending_selection_change) {
524 pending_selection_change = true;
527 current_selection->set_format (format);
531 /* Slect right quality for format */
533 ExportFormatBase::Quality quality = format->get_quality();
534 for (QualityList::iterator it = qualities.begin (); it != qualities.end (); ++it) {
535 if ((*it)->quality == quality) {
536 (*it)->set_selected (true);
538 (*it)->set_selected (false);
542 /* Handle sample formats */
544 ExportFormatBase::SampleFormat format_to_select;
545 if (format->sample_format_is_compatible (current_selection->sample_format())) {
546 format_to_select = current_selection->sample_format();
548 format_to_select = format->default_sample_format();
551 boost::shared_ptr<HasSampleFormat> hsf;
552 if ((hsf = boost::dynamic_pointer_cast<HasSampleFormat> (format))) {
553 SampleFormatList sample_formats = hsf->get_sample_formats();
554 for (SampleFormatList::iterator it = sample_formats.begin (); it != sample_formats.end (); ++it) {
555 if ((*it)->format == format_to_select) {
556 (*it)->set_selected (true);
558 (*it)->set_selected (false);
563 current_selection->set_sample_format (format_to_select);
566 ExportFormatPtr current_format = get_selected_format ();
567 if (current_format) {
568 current_format->set_selected (false);
572 if (do_selection_changed) {
573 selection_changed ();
578 ExportFormatManager::select_sample_rate (SampleRatePtr const & rate)
581 bool do_selection_changed = !pending_selection_change;
582 if (!pending_selection_change) {
583 pending_selection_change = true;
587 current_selection->set_sample_rate (rate->rate);
589 current_selection->set_sample_rate (ExportFormatBase::SR_None);
591 SampleRatePtr current_rate = get_selected_sample_rate();
593 current_rate->set_selected (false);
597 if (do_selection_changed) {
598 selection_changed ();
603 ExportFormatManager::select_sample_format (SampleFormatPtr const & format)
606 bool do_selection_changed = !pending_selection_change;
607 if (!pending_selection_change) {
608 pending_selection_change = true;
612 current_selection->set_sample_format (format->format);
614 current_selection->set_sample_format (ExportFormatBase::SF_None);
616 SampleFormatPtr current_format = get_selected_sample_format();
617 if (current_format) {
618 current_format->set_selected (false);
622 if (do_selection_changed) {
623 selection_changed ();
628 ExportFormatManager::select_dither_type (DitherTypePtr const & type)
631 bool do_selection_changed = !pending_selection_change;
632 if (!pending_selection_change) {
633 pending_selection_change = true;
637 current_selection->set_dither_type (type->type);
639 current_selection->set_dither_type (ExportFormatBase::D_None);
642 if (do_selection_changed) {
643 selection_changed ();
648 ExportFormatManager::selection_changed ()
650 /* Get a list of incompatible compatibility selections */
652 CompatList incompatibles;
653 for (CompatList::iterator it = compatibilities.begin(); it != compatibilities.end(); ++it) {
654 if (!current_selection->is_compatible_with (**it)) {
655 incompatibles.push_back (*it);
661 for (CompatList::iterator it = incompatibles.begin(); it != incompatibles.end(); ++it) {
662 (*it)->set_selected (false);
665 /* Mark compatibility for everything necessary */
667 std::set<ExportFormatBase::Quality> compatible_qualities;
668 ExportFormatBasePtr compat_intersect = get_compatibility_intersection ();
669 ExportFormatCompatibility global_compat (*compat_intersect);
671 for (FormatList::iterator it = formats.begin(); it != formats.end(); ++it) {
672 if ((*it)->set_compatibility_state (global_compat)) {
673 compatible_qualities.insert ((*it)->get_quality());
677 bool any_quality_compatible = true;
678 for (QualityList::iterator it = qualities.begin(); it != qualities.end(); ++it) {
679 if (compatible_qualities.find((*it)->quality) != compatible_qualities.end()) {
680 (*it)->set_compatible (true);
683 (*it)->set_compatible (false);
685 if ((*it)->quality != ExportFormatBase::Q_Any) {
686 any_quality_compatible = false;
691 if (any_quality_compatible) {
692 for (QualityList::iterator it = qualities.begin(); it != qualities.end(); ++it) {
693 if ((*it)->quality == ExportFormatBase::Q_Any) {
694 (*it)->set_compatible (true);
700 for (SampleRateList::iterator it = sample_rates.begin(); it != sample_rates.end(); ++it) {
701 if (compat_intersect->has_sample_rate ((*it)->rate)) {
702 (*it)->set_compatible (true);
704 (*it)->set_compatible (false);
708 boost::shared_ptr<HasSampleFormat> hsf;
709 if ((hsf = boost::dynamic_pointer_cast<HasSampleFormat> (get_selected_format()))) {
711 SampleFormatList sf_list = hsf->get_sample_formats();
712 for (SampleFormatList::iterator it = sf_list.begin(); it != sf_list.end(); ++it) {
713 if (compat_intersect->has_sample_format ((*it)->format)) {
714 (*it)->set_compatible (true);
716 (*it)->set_compatible (false);
722 /* Signal completeness and possible description change */
724 CompleteChanged (current_selection->is_complete());
725 check_for_description_change ();
727 /* Reset pending state */
729 pending_selection_change = false;
733 ExportFormatManager::check_for_description_change ()
735 std::string new_description = current_selection->description();
736 if (new_description == prev_description) { return; }
738 prev_description = new_description;
739 DescriptionChanged();
742 ExportFormatManager::QualityPtr
743 ExportFormatManager::get_selected_quality ()
745 for (QualityList::iterator it = qualities.begin(); it != qualities.end(); ++it) {
746 if ((*it)->selected()) {
755 ExportFormatManager::get_selected_format ()
757 ExportFormatPtr format;
759 for (FormatList::iterator it = formats.begin(); it != formats.end(); ++it) {
760 if ((*it)->selected()) {
768 ExportFormatManager::SampleRatePtr
769 ExportFormatManager::get_selected_sample_rate ()
771 for (SampleRateList::iterator it = sample_rates.begin(); it != sample_rates.end(); ++it) {
772 if ((*it)->selected()) {
777 return SampleRatePtr();
780 ExportFormatManager::SampleFormatPtr
781 ExportFormatManager::get_selected_sample_format ()
783 boost::shared_ptr<HasSampleFormat> hsf;
785 if ((hsf = boost::dynamic_pointer_cast<HasSampleFormat> (get_selected_format()))) {
786 return hsf->get_selected_sample_format ();
788 return SampleFormatPtr ();
794 ExportFormatManager::get_compatibility_intersection ()
796 ExportFormatBasePtr compat_intersect = universal_set;
798 for (CompatList::iterator it = compatibilities.begin(); it != compatibilities.end(); ++it) {
799 if ((*it)->selected ()) {
800 compat_intersect = compat_intersect->get_intersection (**it);
804 return compat_intersect;
807 }; // namespace ARDOUR