369 lines
9.3 KiB
C++
369 lines
9.3 KiB
C++
/*
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Copyright (C) 2008 Paul Davis
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Author: Sakari Bergen
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "ardour/export_formats.h"
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#include "pbd/i18n.h"
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using namespace std;
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namespace ARDOUR
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{
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bool
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ExportFormat::has_sample_format ()
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{
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return dynamic_cast<HasSampleFormat *> (this);
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}
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bool
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ExportFormat::sample_format_is_compatible (SampleFormat format) const
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{
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return (sample_formats.find (format) != sample_formats.end());
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}
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/*** HasSampleFormat ***/
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HasSampleFormat::HasSampleFormat (ExportFormatBase::SampleFormatSet & sample_formats) :
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_sample_formats (sample_formats)
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{
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/* Dither Types */
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add_dither_type (ExportFormatBase::D_Shaped, _("Shaped Noise"));
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add_dither_type (ExportFormatBase::D_Tri, _("Triangular"));
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add_dither_type (ExportFormatBase::D_Rect, _("Rectangular"));
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add_dither_type (ExportFormatBase::D_None, _("None"));
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}
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void
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HasSampleFormat::add_sample_format (ExportFormatBase::SampleFormat format)
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{
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_sample_formats.insert (format);
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SampleFormatPtr ptr (new SampleFormatState (format, get_sample_format_name (format)));
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sample_format_states.push_back (ptr);
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ptr->SelectChanged.connect_same_thread (*this, boost::bind (&HasSampleFormat::update_sample_format_selection, this, _1));
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// BOOST SIGNALS Could this be made any uglier?
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ptr->SelectChanged.connect_same_thread (*this,
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boost::bind (boost::type<void> (), boost::ref (SampleFormatSelectChanged), _1, WeakSampleFormatPtr (ptr)));
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ptr->CompatibleChanged.connect_same_thread (*this,
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boost::bind (boost::type<void> (), boost::ref (SampleFormatCompatibleChanged), _1, WeakSampleFormatPtr (ptr)));
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}
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void
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HasSampleFormat::add_dither_type (ExportFormatBase::DitherType type, string name)
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{
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DitherTypePtr ptr (new DitherTypeState (type, name));
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dither_type_states.push_back (ptr);
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ptr->SelectChanged.connect_same_thread (*this, boost::bind (&HasSampleFormat::update_dither_type_selection, this, _1));
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// BOOST SIGNALS Could this be made any uglier?
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ptr->SelectChanged.connect_same_thread (*this,
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boost::bind (boost::type<void> (), boost::ref (DitherTypeSelectChanged), _1, WeakDitherTypePtr (ptr)));
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ptr->CompatibleChanged.connect_same_thread (*this,
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boost::bind (boost::type<void> (),boost::ref ( DitherTypeCompatibleChanged), _1, WeakDitherTypePtr (ptr)));
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}
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HasSampleFormat::SampleFormatPtr
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HasSampleFormat::get_selected_sample_format ()
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{
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for (SampleFormatList::iterator it = sample_format_states.begin(); it != sample_format_states.end(); ++it) {
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if ((*it)->selected()) {
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return *it;
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}
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}
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return SampleFormatPtr();
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}
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HasSampleFormat::DitherTypePtr
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HasSampleFormat::get_selected_dither_type ()
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{
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for (DitherTypeList::iterator it = dither_type_states.begin(); it != dither_type_states.end(); ++it) {
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if ((*it)->selected()) {
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return *it;
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}
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}
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return DitherTypePtr();
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}
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void
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HasSampleFormat::update_sample_format_selection (bool)
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{
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SampleFormatPtr format = get_selected_sample_format();
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if (!format) {
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return;
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}
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if (format->format == ExportFormatBase::SF_24 ||
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format->format == ExportFormatBase::SF_32 ||
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format->format == ExportFormatBase::SF_Float ||
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format->format == ExportFormatBase::SF_Double) {
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for (DitherTypeList::iterator it = dither_type_states.begin(); it != dither_type_states.end(); ++it) {
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if ((*it)->type == ExportFormatBase::D_None) {
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(*it)->set_selected (true);
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} else {
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(*it)->set_compatible (false);
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}
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}
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} else {
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for (DitherTypeList::iterator it = dither_type_states.begin(); it != dither_type_states.end(); ++it) {
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(*it)->set_compatible (true);
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}
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}
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}
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void
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HasSampleFormat::update_dither_type_selection (bool)
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{
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DitherTypePtr type = get_selected_dither_type();
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if (!type) {
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return;
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}
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if (!type->compatible()) {
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SampleFormatPtr format = get_selected_sample_format();
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if (format) {
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format->set_selected (false);
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}
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for (DitherTypeList::iterator it = dither_type_states.begin(); it != dither_type_states.end(); ++it) {
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(*it)->set_compatible (true);
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}
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}
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}
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string
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HasSampleFormat::get_sample_format_name (ExportFormatBase::SampleFormat format)
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{
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switch (format) {
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case ExportFormatBase::SF_8:
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return _("8-bit");
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case ExportFormatBase::SF_16:
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return _("16-bit");
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case ExportFormatBase::SF_24:
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return _("24-bit");
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case ExportFormatBase::SF_32:
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return _("32-bit");
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case ExportFormatBase::SF_Float:
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return _("float");
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case ExportFormatBase::SF_Double:
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return _("double");
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case ExportFormatBase::SF_U8:
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return _("8-bit unsigned");
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case ExportFormatBase::SF_Vorbis:
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return _("Vorbis sample format");
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case ExportFormatBase::SF_None:
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return _("No sample format");
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}
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return "";
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}
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/*** Linear ***/
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ExportFormatLinear::ExportFormatLinear (string name, FormatId format_id) :
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HasSampleFormat (sample_formats),
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_default_sample_format (SF_None)
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{
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set_name (name);
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set_format_id (format_id);
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add_sample_rate (SR_8);
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add_sample_rate (SR_22_05);
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add_sample_rate (SR_44_1);
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add_sample_rate (SR_48);
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add_sample_rate (SR_88_2);
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add_sample_rate (SR_96);
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add_sample_rate (SR_176_4);
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add_sample_rate (SR_192);
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add_sample_rate (SR_Session);
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add_endianness (E_FileDefault);
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set_quality (Q_LosslessLinear);
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}
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bool
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ExportFormatLinear::set_compatibility_state (ExportFormatCompatibility const & compatibility)
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{
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/* Global state */
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bool compatible = true;
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if (!compatibility.has_quality (Q_LosslessLinear)) {
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compatible = false;
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}
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if (!compatibility.has_format (get_format_id())) {
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compatible = false;
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}
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boost::shared_ptr<ExportFormatBase> intersection = get_intersection (compatibility);
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if (intersection->endiannesses_empty()) {
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compatible = false;
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}
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if (intersection->sample_rates_empty()) {
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compatible = false;
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}
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if (intersection->sample_formats_empty()) {
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compatible = false;
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}
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set_compatible (compatible);
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/* Sample Formats */
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for (SampleFormatList::iterator it = sample_format_states.begin(); it != sample_format_states.end(); ++it) {
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(*it)->set_compatible (compatibility.has_sample_format ((*it)->format));
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}
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return compatible;
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}
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/*** Ogg Vorbis ***/
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ExportFormatOggVorbis::ExportFormatOggVorbis ()
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{
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/* Check system compatibility */
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SF_INFO sf_info;
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sf_info.channels = 2;
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sf_info.samplerate = SR_44_1;
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sf_info.format = F_Ogg | SF_Vorbis;
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if (sf_format_check (&sf_info) != SF_TRUE) {
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throw ExportFormatIncompatible();
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}
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set_name ("Ogg Vorbis");
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set_format_id (F_Ogg);
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sample_formats.insert (SF_Vorbis);
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add_sample_rate (SR_22_05);
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add_sample_rate (SR_44_1);
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add_sample_rate (SR_48);
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add_sample_rate (SR_88_2);
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add_sample_rate (SR_96);
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add_sample_rate (SR_176_4);
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add_sample_rate (SR_192);
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add_sample_rate (SR_Session);
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add_endianness (E_FileDefault);
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set_extension ("ogg");
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set_quality (Q_LossyCompression);
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}
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bool
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ExportFormatOggVorbis::set_compatibility_state (ExportFormatCompatibility const & compatibility)
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{
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bool compatible = compatibility.has_format (F_Ogg);
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set_compatible (compatible);
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return compatible;
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}
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/*** FLAC ***/
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ExportFormatFLAC::ExportFormatFLAC () :
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HasSampleFormat (sample_formats)
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{
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/* Check system compatibility */
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SF_INFO sf_info;
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sf_info.channels = 2;
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sf_info.samplerate = SR_44_1;
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sf_info.format = F_FLAC | SF_16;
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if (sf_format_check (&sf_info) != SF_TRUE) {
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throw ExportFormatIncompatible();
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}
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set_name ("FLAC");
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set_format_id (F_FLAC);
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add_sample_rate (SR_22_05);
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add_sample_rate (SR_44_1);
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add_sample_rate (SR_48);
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add_sample_rate (SR_88_2);
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add_sample_rate (SR_96);
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add_sample_rate (SR_176_4);
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add_sample_rate (SR_192);
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add_sample_rate (SR_Session);
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add_sample_format (SF_8);
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add_sample_format (SF_16);
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add_sample_format (SF_24);
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add_endianness (E_FileDefault);
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set_extension ("flac");
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set_quality (Q_LosslessCompression);
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}
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bool
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ExportFormatFLAC::set_compatibility_state (ExportFormatCompatibility const & compatibility)
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{
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bool compatible = compatibility.has_format (F_FLAC);
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set_compatible (compatible);
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return compatible;
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}
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/*** BWF ***/
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ExportFormatBWF::ExportFormatBWF () :
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HasSampleFormat (sample_formats)
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{
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set_name ("BWF");
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set_format_id (F_WAV);
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add_sample_rate (SR_22_05);
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add_sample_rate (SR_44_1);
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add_sample_rate (SR_48);
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add_sample_rate (SR_88_2);
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add_sample_rate (SR_96);
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add_sample_rate (SR_176_4);
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add_sample_rate (SR_192);
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add_sample_rate (SR_Session);
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add_sample_format (SF_U8);
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add_sample_format (SF_16);
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add_sample_format (SF_24);
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add_sample_format (SF_32);
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add_sample_format (SF_Float);
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add_sample_format (SF_Double);
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add_endianness (E_FileDefault);
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set_extension ("wav");
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set_quality (Q_LosslessLinear);
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}
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bool
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ExportFormatBWF::set_compatibility_state (ExportFormatCompatibility const & compatibility)
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{
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bool compatible = compatibility.has_format (F_WAV);
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set_compatible (compatible);
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return compatible;
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}
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}; // namespace ARDOUR
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