--- /dev/null
+/*
+ Copyright (C) 2008 Paul Davis
+ Author: Sakari Bergen
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#ifndef __ardour_export_formats_h__
+#define __ardour_export_formats_h__
+
+#include <ardour/export_format_base.h>
+#include <ardour/export_format_compatibility.h>
+
+#include <list>
+#include <boost/weak_ptr.hpp>
+
+namespace ARDOUR
+{
+
+class HasSampleFormat;
+
+/// Base class for formats
+class ExportFormat : public ExportFormatBase, public ExportFormatBase::SelectableCompatible {
+
+ public:
+ ExportFormat () {};
+ ~ExportFormat () {};
+
+ virtual bool set_compatibility_state (ExportFormatCompatibility const & compatibility) = 0;
+ virtual Type get_type () const = 0;
+
+ FormatId get_format_id () const { return *format_ids.begin(); }
+ Quality get_quality () const { return *qualities.begin(); }
+
+ bool has_sample_format ();
+ bool sample_format_is_compatible (SampleFormat format) const;
+
+ /* If the format has a specific sample format, this function should be overriden
+ * if the format has a selectable sample format, do not override this!
+ */
+
+ virtual SampleFormat get_explicit_sample_format () const { return SF_None; }
+
+ /* If the above is not overriden, this one should be */
+
+ virtual ExportFormat::SampleFormat default_sample_format () const { return SF_None; }
+
+ /* If the format has a channel count limit, override this */
+
+ virtual uint32_t get_channel_limit () const { return 256; }
+
+ /* If the format can be tagged with metadata override this */
+
+ virtual bool supports_tagging () const { return false; }
+
+ /* If the format contains broadcast info override this */
+
+ virtual bool has_broadcast_info () const { return false; }
+
+ protected:
+
+ void add_sample_rate (SampleRate rate) { sample_rates.insert (rate); }
+ void add_endianness (Endianness endianness) { endiannesses.insert (endianness); }
+
+ void set_format_id (FormatId id) { format_ids.clear (); format_ids.insert (id); }
+ void set_quality (Quality value) { qualities.clear(); qualities.insert (value); }
+};
+
+/// Class to be inherited by export formats that have a selectable sample format
+class HasSampleFormat {
+ public:
+
+ class SampleFormatState : public ExportFormatBase::SelectableCompatible {
+ public:
+ SampleFormatState (ExportFormatBase::SampleFormat format, Glib::ustring name) :
+ format (format) { set_name (name); }
+
+ ExportFormatBase::SampleFormat format;
+ };
+
+ class DitherTypeState : public ExportFormatBase::SelectableCompatible {
+ public:
+ DitherTypeState (ExportFormatBase::DitherType type, Glib::ustring name) :
+ type (type) { set_name (name); }
+
+ ExportFormatBase::DitherType type;
+ };
+
+ typedef boost::shared_ptr<SampleFormatState> SampleFormatPtr;
+ typedef boost::weak_ptr<SampleFormatState> WeakSampleFormatPtr;
+ typedef std::list<SampleFormatPtr> SampleFormatList;
+
+ typedef boost::shared_ptr<DitherTypeState> DitherTypePtr;
+ typedef boost::weak_ptr<DitherTypeState> WeakDitherTypePtr;
+ typedef std::list<DitherTypePtr> DitherTypeList;
+
+ public:
+
+ HasSampleFormat (ExportFormatBase::SampleFormatSet & sample_formats);
+ virtual ~HasSampleFormat () {};
+
+ void add_sample_format (ExportFormatBase::SampleFormat format);
+
+ SampleFormatList const & get_sample_formats () const { return sample_format_states; }
+ DitherTypeList const & get_dither_types () const { return dither_type_states; }
+
+ SampleFormatPtr get_selected_sample_format ();
+ DitherTypePtr get_selected_dither_type ();
+
+ /* Proxies for signals from sample formats and dither types */
+
+ sigc::signal<void, bool, WeakSampleFormatPtr> SampleFormatSelectChanged;
+ sigc::signal<void, bool, WeakSampleFormatPtr> SampleFormatCompatibleChanged;
+
+ sigc::signal<void, bool, WeakDitherTypePtr> DitherTypeSelectChanged;
+ sigc::signal<void, bool, WeakDitherTypePtr> DitherTypeCompatibleChanged;
+
+ static string get_sample_format_name (ExportFormatBase::SampleFormat format);
+
+ protected:
+ /* State lists */
+
+ DitherTypeList dither_type_states;
+ SampleFormatList sample_format_states;
+
+ private:
+ /* Connected to signals */
+
+ void add_dither_type (ExportFormatBase::DitherType type, Glib::ustring name);
+ void update_sample_format_selection (bool);
+ void update_dither_type_selection (bool);
+
+ /* Reference to ExportFormatBase::sample_formats */
+ ExportFormatBase::SampleFormatSet & _sample_formats;
+};
+
+class ExportFormatLinear : public ExportFormat, public HasSampleFormat {
+ public:
+
+ ExportFormatLinear (Glib::ustring name, FormatId format_id);
+ ~ExportFormatLinear () {};
+
+ bool set_compatibility_state (ExportFormatCompatibility const & compatibility);
+ Type get_type () const { return T_Sndfile; }
+
+ void add_endianness (Endianness endianness) { endiannesses.insert (endianness); }
+
+ void set_default_sample_format (SampleFormat sf) { _default_sample_format = sf; }
+ SampleFormat default_sample_format () const { return _default_sample_format; }
+
+ protected:
+ SampleFormat _default_sample_format;
+};
+
+class ExportFormatOggVorbis : public ExportFormat {
+ public:
+ ExportFormatOggVorbis ();
+ ~ExportFormatOggVorbis () {};
+
+ bool set_compatibility_state (ExportFormatCompatibility const & compatibility);
+ Type get_type () const { return T_Sndfile; }
+ SampleFormat get_explicit_sample_format () const { return SF_Vorbis; }
+ virtual bool supports_tagging () const { return true; }
+};
+
+class ExportFormatFLAC : public ExportFormat, public HasSampleFormat {
+ public:
+ ExportFormatFLAC ();
+ ~ExportFormatFLAC () {};
+
+ bool set_compatibility_state (ExportFormatCompatibility const & compatibility);
+ Type get_type () const { return T_Sndfile; }
+
+ uint32_t get_channel_limit () const { return 8; }
+ SampleFormat default_sample_format () const { return SF_16; }
+ virtual bool supports_tagging () const { return true; }
+};
+
+class ExportFormatBWF : public ExportFormat, public HasSampleFormat {
+ public:
+ ExportFormatBWF ();
+ ~ExportFormatBWF () {};
+
+ bool set_compatibility_state (ExportFormatCompatibility const & compatibility);
+ Type get_type () const { return T_Sndfile; }
+
+ SampleFormat default_sample_format () const { return SF_16; }
+ virtual bool has_broadcast_info () const { return true; }
+};
+
+} // namespace ARDOUR
+
+#endif /* __ardour_export_formats__ */
projects / ardour.git / blobdiff