439 lines
9.8 KiB
C++
439 lines
9.8 KiB
C++
/*
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* Copyright (C) 2008-2010 Sakari Bergen <sakari.bergen@beatwaves.net>
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* Copyright (C) 2008-2015 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2009-2011 David Robillard <d@drobilla.net>
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* Copyright (C) 2018-2019 Robin Gareus <robin@gareus.org>
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*
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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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*
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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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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __ardour_export_formats_h__
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#define __ardour_export_formats_h__
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#include <boost/weak_ptr.hpp>
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#include <list>
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#include "pbd/failed_constructor.h"
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#include "pbd/signals.h"
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#include "ardour/export_format_base.h"
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#include "ardour/export_format_compatibility.h"
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namespace ARDOUR {
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class LIBARDOUR_API ExportFormatIncompatible : public failed_constructor
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{
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public:
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virtual const char* what () const throw ()
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{
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return "Export format constructor failed: Format incompatible with system";
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}
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};
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/// Base class for formats
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class LIBARDOUR_API ExportFormat : public ExportFormatBase, public ExportFormatBase::SelectableCompatible
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{
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public:
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ExportFormat (){};
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~ExportFormat (){};
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virtual bool set_compatibility_state (ExportFormatCompatibility const& compatibility) = 0;
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virtual Type get_type () const = 0;
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FormatId get_format_id () const
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{
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return *format_ids.begin ();
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}
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Quality get_quality () const
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{
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return *qualities.begin ();
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}
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bool has_sample_format ();
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bool has_codec_quality ();
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bool sample_format_is_compatible (SampleFormat format) const;
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/* If the format has a specific sample format, this function should be overridden
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* if the format has a selectable sample format, do not override this!
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*/
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virtual SampleFormat get_explicit_sample_format () const
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{
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return SF_None;
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}
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/* If the above is not overridden, this one should be */
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virtual ExportFormat::SampleFormat default_sample_format () const
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{
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return SF_None;
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}
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/* If the format has a channel count limit, override this */
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virtual uint32_t get_channel_limit () const
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{
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return 256;
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}
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/* If the format can be tagged with metadata override this */
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virtual bool supports_tagging () const
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{
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return false;
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}
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/* If the format contains broadcast info override this */
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virtual bool has_broadcast_info () const
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{
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return false;
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}
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protected:
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void add_sample_rate (SampleRate rate)
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{
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sample_rates.insert (rate);
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}
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void add_endianness (Endianness endianness)
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{
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endiannesses.insert (endianness);
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}
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void set_format_id (FormatId id)
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{
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format_ids.clear ();
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format_ids.insert (id);
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}
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void set_quality (Quality value)
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{
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qualities.clear ();
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qualities.insert (value);
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}
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};
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class LIBARDOUR_API HasCodecQuality
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{
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public:
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struct CodecQuality {
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CodecQuality (std::string const& n, int q)
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: name (n)
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, quality (q)
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{}
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std::string name;
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int quality;
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};
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typedef boost::shared_ptr<CodecQuality> CodecQualityPtr;
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typedef std::list<CodecQualityPtr> CodecQualityList;
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virtual ~HasCodecQuality () {}
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void add_codec_quality (std::string const& name, int q)
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{
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CodecQualityPtr ptr (new CodecQuality (name, q));
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_codec_qualties.push_back (ptr);
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}
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CodecQualityList const& get_codec_qualities () const
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{
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return _codec_qualties;
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}
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virtual int default_codec_quality () const = 0;
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protected:
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CodecQualityList _codec_qualties;
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};
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/// Class to be inherited by export formats that have a selectable sample format
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class LIBARDOUR_API HasSampleFormat : public PBD::ScopedConnectionList
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{
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public:
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class SampleFormatState : public ExportFormatBase::SelectableCompatible
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{
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public:
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SampleFormatState (ExportFormatBase::SampleFormat format, std::string name)
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: format (format)
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{
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set_name (name);
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}
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ExportFormatBase::SampleFormat format;
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};
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class DitherTypeState : public ExportFormatBase::SelectableCompatible
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{
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public:
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DitherTypeState (ExportFormatBase::DitherType type, Glib::ustring name)
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: type (type)
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{
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set_name (name);
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}
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ExportFormatBase::DitherType type;
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};
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typedef boost::shared_ptr<SampleFormatState> SampleFormatPtr;
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typedef boost::weak_ptr<SampleFormatState> WeakSampleFormatPtr;
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typedef std::list<SampleFormatPtr> SampleFormatList;
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typedef boost::shared_ptr<DitherTypeState> DitherTypePtr;
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typedef boost::weak_ptr<DitherTypeState> WeakDitherTypePtr;
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typedef std::list<DitherTypePtr> DitherTypeList;
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public:
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HasSampleFormat (ExportFormatBase::SampleFormatSet& sample_formats);
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virtual ~HasSampleFormat (){};
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void add_sample_format (ExportFormatBase::SampleFormat format);
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SampleFormatList const& get_sample_formats () const
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{
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return sample_format_states;
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}
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DitherTypeList const& get_dither_types () const
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{
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return dither_type_states;
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}
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SampleFormatPtr get_selected_sample_format ();
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DitherTypePtr get_selected_dither_type ();
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/* Proxies for signals from sample formats and dither types */
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PBD::Signal2<void, bool, WeakSampleFormatPtr> SampleFormatSelectChanged;
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PBD::Signal2<void, bool, WeakSampleFormatPtr> SampleFormatCompatibleChanged;
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PBD::Signal2<void, bool, WeakDitherTypePtr> DitherTypeSelectChanged;
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PBD::Signal2<void, bool, WeakDitherTypePtr> DitherTypeCompatibleChanged;
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static std::string get_sample_format_name (ExportFormatBase::SampleFormat format);
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protected:
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/* State lists */
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DitherTypeList dither_type_states;
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SampleFormatList sample_format_states;
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private:
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/* Connected to signals */
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void add_dither_type (ExportFormatBase::DitherType type, std::string name);
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void update_sample_format_selection (bool);
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void update_dither_type_selection (bool);
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/* Reference to ExportFormatBase::sample_formats */
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ExportFormatBase::SampleFormatSet& _sample_formats;
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};
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class LIBARDOUR_API ExportFormatLinear : public ExportFormat, public HasSampleFormat
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{
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public:
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ExportFormatLinear (std::string name, FormatId format_id);
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~ExportFormatLinear (){};
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bool set_compatibility_state (ExportFormatCompatibility const& compatibility);
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Type get_type () const
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{
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return T_Sndfile;
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}
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void add_endianness (Endianness endianness)
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{
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endiannesses.insert (endianness);
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}
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void set_default_sample_format (SampleFormat sf)
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{
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_default_sample_format = sf;
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}
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SampleFormat default_sample_format () const
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{
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return _default_sample_format;
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}
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protected:
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SampleFormat _default_sample_format;
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};
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class LIBARDOUR_API ExportFormatTaggedLinear : public ExportFormatLinear
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{
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public:
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ExportFormatTaggedLinear (std::string name, FormatId format_id)
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: ExportFormatLinear (name, format_id)
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{
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}
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virtual bool supports_tagging () const
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{
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return true;
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}
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};
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class LIBARDOUR_API ExportFormatOggVorbis : public ExportFormat, public HasCodecQuality
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{
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public:
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ExportFormatOggVorbis ();
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~ExportFormatOggVorbis (){};
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bool set_compatibility_state (ExportFormatCompatibility const& compatibility);
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Type get_type () const
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{
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return T_Sndfile;
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}
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SampleFormat get_explicit_sample_format () const
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{
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return SF_Vorbis;
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}
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virtual bool supports_tagging () const
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{
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return true;
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}
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int default_codec_quality () const
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{
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return 40;
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}
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};
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class LIBARDOUR_API ExportFormatFLAC : public ExportFormat, public HasSampleFormat
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{
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public:
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ExportFormatFLAC ();
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~ExportFormatFLAC (){};
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bool set_compatibility_state (ExportFormatCompatibility const& compatibility);
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Type get_type () const
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{
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return T_Sndfile;
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}
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uint32_t get_channel_limit () const
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{
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return 8;
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}
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SampleFormat default_sample_format () const
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{
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return SF_16;
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}
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virtual bool supports_tagging () const
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{
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return true;
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}
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};
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class LIBARDOUR_API ExportFormatBWF : public ExportFormat, public HasSampleFormat
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{
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public:
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ExportFormatBWF ();
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~ExportFormatBWF (){};
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bool set_compatibility_state (ExportFormatCompatibility const& compatibility);
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Type get_type () const
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{
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return T_Sndfile;
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}
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SampleFormat default_sample_format () const
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{
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return SF_16;
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}
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virtual bool has_broadcast_info () const
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{
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return true;
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}
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};
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class LIBARDOUR_API ExportFormatOggOpus : public ExportFormat, public HasCodecQuality
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{
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public:
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ExportFormatOggOpus ();
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~ExportFormatOggOpus (){};
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bool set_compatibility_state (ExportFormatCompatibility const& compatibility);
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Type get_type () const
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{
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return T_Sndfile;
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}
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SampleFormat get_explicit_sample_format () const
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{
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return SF_Opus;
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}
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int default_codec_quality () const
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{
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return 49;
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}
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virtual bool supports_tagging () const
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{
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return true;
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}
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};
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class LIBARDOUR_API ExportFormatMPEG : public ExportFormat, public HasSampleFormat, public HasCodecQuality
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{
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public:
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ExportFormatMPEG (std::string const& name, std::string const& ext);
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~ExportFormatMPEG (){};
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bool set_compatibility_state (ExportFormatCompatibility const& compatibility);
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Type get_type () const
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{
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return T_Sndfile;
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}
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SampleFormat default_sample_format () const
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{
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return SF_MPEG_LAYER_III;
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}
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int default_codec_quality () const
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{
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return 40;
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}
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virtual bool supports_tagging () const
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{
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return true;
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}
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};
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class LIBARDOUR_API ExportFormatFFMPEG : public ExportFormat, public HasCodecQuality
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{
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public:
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ExportFormatFFMPEG (std::string const& name, std::string const& ext);
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~ExportFormatFFMPEG (){};
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bool set_compatibility_state (ExportFormatCompatibility const& compatibility);
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Type get_type () const
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{
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return T_FFMPEG;
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}
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SampleFormat get_explicit_sample_format () const
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{
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return SF_Float;
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}
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int default_codec_quality () const
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{
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return -2;
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}
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virtual bool supports_tagging () const
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{
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return true;
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}
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};
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} // namespace ARDOUR
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#endif /* __ardour_export_formats__ */
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