globally remove all trailing whitespace from ardour code base.

[ardour.git] / libs / evoral / evoral / SMF.hpp

diff --git a/libs/evoral/evoral/SMF.hpp b/libs/evoral/evoral/SMF.hpp
index f45719cdabd2dd28d59f7ae9edfd7ba036a13cc5..fd7263b5c44f0009d5885b48b78c29b28fd661b9 100644 (file)
--- a/libs/evoral/evoral/SMF.hpp
+++ b/libs/evoral/evoral/SMF.hpp
@@ -1,17 +1,17 @@
 /* This file is part of Evoral.
- * Copyright(C) 2008 Dave Robillard <http://drobilla.net>
+ * Copyright(C) 2008 David Robillard <http://drobilla.net>
  * Copyright(C) 2000-2008 Paul Davis
  * Author: Hans Baier
- * 
+ *
  * Evoral 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.
- * 
+ *
  * Evoral 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 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.,
  * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
@@ -20,7 +20,10 @@
 #ifndef EVORAL_SMF_HPP
 #define EVORAL_SMF_HPP
 
-#include <cassert>
+#include <glibmm/threads.h>
+
+#include "evoral/visibility.h"
+#include "evoral/types.hpp"
 
 struct smf_struct;
 struct smf_track_struct;
@@ -28,56 +31,55 @@ typedef smf_struct smf_t;
 typedef smf_track_struct smf_track_t;
 
 namespace Evoral {
-       
-template<typename Time> class Event;
-template<typename Time> class EventRingBuffer;
 
-#define THROW_FILE_ERROR throw(typename SMF<Time>::FileError)
+#define THROW_FILE_ERROR throw(FileError)
 
-/** Standard Midi File (Type 0)
+/** Standard Midi File.
+ * Currently only tempo-based time of a given PPQN is supported.
  */
-template<typename Time>
-class SMF {
+class LIBEVORAL_API SMF {
 public:
        class FileError : public std::exception {
+       public:
+               FileError (std::string const & n) : _file_name (n) {}
+               ~FileError () throw () {}
                const char* what() const throw() { return "Unknown SMF error"; }
+               std::string file_name () const { return _file_name; }
+       private:
+               std::string _file_name;
        };
 
-       SMF() : _last_ev_time(0), _smf(0), _smf_track(0), _empty(true) {};
+       SMF() : _smf(0), _smf_track(0), _empty(true) {};
        virtual ~SMF();
 
+       static bool test(const std::string& path);
+       int  open(const std::string& path, int track=1) THROW_FILE_ERROR;
+       // XXX 19200 = 10 * Timecode::BBT_Time::ticks_per_beat
+       int  create(const std::string& path, int track=1, uint16_t ppqn=19200) THROW_FILE_ERROR;
+       void close() THROW_FILE_ERROR;
+
        void seek_to_start() const;
-       
-       uint16_t ppqn()     const { return _ppqn; }
-       bool     is_empty() const { return _empty; }
-       bool     eof()      const { assert(false); return true; }
-       
-       Time last_event_time() const { return _last_ev_time; }
-       
+       int  seek_to_track(int track);
+
+       int read_event(uint32_t* delta_t, uint32_t* size, uint8_t** buf, event_id_t* note_id) const;
+
+       uint16_t num_tracks() const;
+       uint16_t ppqn()       const;
+       bool     is_empty()   const { return _empty; }
+
        void begin_write();
-       void append_event_delta(uint32_t delta_t, const Event<Time>& ev);
-       void end_write() THROW_FILE_ERROR;
-       
+       void append_event_delta(uint32_t delta_t, uint32_t size, const uint8_t* buf, event_id_t note_id);
+       void end_write(std::string const &) THROW_FILE_ERROR;
+
        void flush() {};
-       int  flush_header() { return 0; }
-       int  flush_footer() { return 0; }
 
-protected:
-       int  open(const std::string& path) THROW_FILE_ERROR;
-       void close() THROW_FILE_ERROR;
-       
-       int read_event(uint32_t* delta_t, uint32_t* size, uint8_t** buf) const;
+       double round_to_file_precision (double val) const;
 
 private:
-       static const uint16_t _ppqn = 19200;
-       
-       Time _last_ev_time; ///< last frame time written, relative to source start
-       
-       std::string  _path;
        smf_t*       _smf;
        smf_track_t* _smf_track;
-
        bool         _empty; ///< true iff file contains(non-empty) events
+       mutable Glib::Threads::Mutex _smf_lock;
 };
 
 }; /* namespace Evoral */