Remove ancient trunk folder from svn repository

[synfig.git] / synfig-studio / src / gtkmm / audiocontainer.h

diff --git a/synfig-studio/src/gtkmm/audiocontainer.h b/synfig-studio/src/gtkmm/audiocontainer.h
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+/* === S Y N F I G ========================================================= */
+/*!    \file audiocontainer.h
+**     \brief Sound info header
+**
+**     $Id$
+**
+**     \legal
+**     Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+**
+**     This package 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 package 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.
+**     \endlegal
+*/
+/* ========================================================================= */
+
+/* === S T A R T =========================================================== */
+
+#ifndef __SYNFIG_AUDIOCONTAINER_H
+#define __SYNFIG_AUDIOCONTAINER_H
+
+/* === H E A D E R S ======================================================= */
+#include <sigc++/signal.h>
+
+#include <ETL/handle>
+
+#include <vector>
+#include <string>
+
+#include <synfig/time.h>
+
+/* === M A C R O S ========================================================= */
+const float DEF_DISPLAYSAMPLERATE = 400;
+/* === T Y P E D E F S ===================================================== */
+
+/* === C L A S S E S & S T R U C T S ======================================= */
+
+namespace studio {
+
+class AudioContainer;
+
+//Note: Might want to abstract something to share data between profile and parent
+class AudioProfile : public etl::shared_object
+{
+public:
+       typedef std::vector<char>       SampleProfile;
+
+private:
+       SampleProfile   samples;
+       double                  samplerate; //samples / second of the profile
+
+       //reference our parent for any native sound info
+       etl::loose_handle<AudioContainer>       parent;
+
+public:        //samples interface
+
+       SampleProfile::const_iterator   begin() const   {return samples.begin();}
+       SampleProfile::const_iterator   end() const     {return samples.end();}
+
+       void clear();
+       unsigned int size() const {return samples.size();}
+
+       char operator[](int i) const
+       {
+               if(i >= 0 && i < (int)samples.size()) return samples[i];
+               else return 0;
+       }
+
+public: //
+
+       double get_samplerate() const {return samplerate;}
+       void set_samplerate(double f) {samplerate = f;}
+
+       double get_offset() const;
+
+       etl::handle<AudioContainer>     get_parent() const;
+       void set_parent(etl::handle<AudioContainer> i);
+       friend class AudioContainer;
+};
+
+/*     Audio container actually implements all the cool stuff
+       Note: May be a bit too monolithic...
+*/
+class AudioContainer : public sigc::trackable, public etl::shared_object
+{
+       etl::handle<AudioProfile>       prof;
+
+       struct  AudioImp;
+       AudioImp *imp;
+
+       bool    profilevalid; //this is only half useful
+               //it makes it so we don't always have to realloc memory when the file switches...
+
+public: //structors
+
+       AudioContainer();
+       ~AudioContainer();
+
+public: //accessor interface
+       void set_offset(const double &s);
+       double get_offset() const;
+
+public: //info gather interface
+       etl::handle<AudioProfile>       get_profile(float samplerate = DEF_DISPLAYSAMPLERATE);
+       bool get_current_time(double &out);
+
+public: //operational interface
+       bool load(const std::string &filename, const std::string &filedirectory = "");
+       void clear();
+
+       //play functions...
+       void play(double t);
+       void stop();
+       //Note: this refers to the wrapper concept of the audio, the actual sound may or may not be playing...
+       bool is_playing() const;
+
+       //scrubbing functions...
+       void start_scrubbing(double t);
+       void stop_scrubbing();
+       void scrub(double t); //!< if we are not currently scrubbing this will not work
+       bool is_scrubbing() const;
+
+       double scrub_time() const;
+
+       bool isRunning() const;
+       bool isPaused() const;
+};
+
+} // END of namespace studio
+
+/* === E N D =============================================================== */
+
+#endif