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types.h

/*
    Copyright (C) 2002 Paul Davis 

    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.

    $Id: types.h,v 1.24 2005/11/14 15:40:25 sampo Exp $
*/

#ifndef __ardour_types_h__
#define __ardour_types_h__

#ifndef __STDC_FORMAT_MACROS
#define __STDC_FORMAT_MACROS /* PRI<foo>; C++ requires explicit requesting of these */
#endif

#include <inttypes.h>
#include <jack/types.h>
#include <map>

#if __GNUC__ < 3

typedef int intptr_t;
#endif

namespace ARDOUR {

      class Source;

      typedef jack_default_audio_sample_t Sample;
      typedef float                       pan_t;
      typedef float                       gain_t;
      typedef uint32_t                    layer_t;
      typedef uint64_t                    id_t;

      enum IOChange {
            NoChange = 0,
            ConfigurationChanged = 0x1,
            ConnectionsChanged = 0x2
      };

      enum OverlapType {
            OverlapNone,      // no overlap
            OverlapInternal,  // the overlap is 100% with the object
            OverlapStart,     // overlap covers start, but ends within
            OverlapEnd,       // overlap begins within and covers end 
            OverlapExternal   // overlap extends to (at least) begin+end
      };

      OverlapType coverage (jack_nframes_t start_a, jack_nframes_t end_a,
                        jack_nframes_t start_b, jack_nframes_t end_b);

      enum AutomationType {
            GainAutomation = 0x1,
            PanAutomation = 0x2,
            PluginAutomation = 0x4,
            SoloAutomation = 0x8,
            MuteAutomation = 0x10,
      };

      enum AutoState {
            Off = 0x0,
            Write = 0x1,
            Touch = 0x2,
            Play = 0x4
      };

      enum AutoStyle {
            Absolute = 0x1,
            Trim = 0x2
      };

      enum AlignStyle {
            CaptureTime,
            ExistingMaterial
      };

      enum MeterPoint {
            MeterInput,
            MeterPreFader,
            MeterPostFader
      };

      enum smpte_wrap_t {
            smpte_wrap_none = 0,
            smpte_wrap_frames,
            smpte_wrap_seconds,
            smpte_wrap_minutes,
            smpte_wrap_hours
      };
  
      struct SMPTE_Time {
            bool negative;
            long hours;
            long minutes;
            long seconds;
            long frames;
            long subframes; // mostly not used

            SMPTE_Time() {
                  negative = false;
                  hours = 0;
                  minutes = 0;
                  seconds = 0;
                  frames = 0;
                  subframes = 0;
            }
            
      };

      struct BBT_Time {
          uint32_t bars;
          uint32_t beats;
          uint32_t ticks;

          BBT_Time() {
                bars = 1;
                beats = 1;
                ticks = 0;
          }

          /* we can't define arithmetic operators for BBT_Time, because
             the results depend on a TempoMap, but we can define 
             a useful check on the less-than condition.
          */

          bool operator< (const BBT_Time& other) const {
                return bars < other.bars || 
                      (bars == other.bars && beats < other.beats) ||
                      (bars == other.bars && beats == other.beats && ticks < other.ticks);
          }

          bool operator== (const BBT_Time& other) const {
                return bars == other.bars && beats == other.beats && ticks == other.ticks;
          }
          
      };

      struct AnyTime {
          enum Type {
                SMPTE,
                BBT,
                Frames,
                Seconds
          };

          Type type;

          SMPTE_Time     smpte;
          BBT_Time       bbt;

          union { 
            jack_nframes_t frames;
            double         seconds;
          };
      };

      struct AudioRange {
          jack_nframes_t start;
          jack_nframes_t end;
          uint32_t id;
          
          AudioRange (jack_nframes_t s, jack_nframes_t e, uint32_t i) : start (s), end (e) , id (i) {}
          
          jack_nframes_t length() { return end - start + 1; } 

          bool operator== (const AudioRange& other) const {
                return start == other.start && end == other.end && id == other.id;
          }

          bool equal (const AudioRange& other) const {
                return start == other.start && end == other.end;
          }

          OverlapType coverage (jack_nframes_t s, jack_nframes_t e) const {
                return ARDOUR::coverage (start, end, s, e);
          }
      };
      
      struct MusicRange {
          BBT_Time start;
          BBT_Time end;
          uint32_t id;
          
          MusicRange (BBT_Time& s, BBT_Time& e, uint32_t i)
                : start (s), end (e), id (i) {}

          bool operator== (const MusicRange& other) const {
                return start == other.start && end == other.end && id == other.id;
          }

          bool equal (const MusicRange& other) const {
                return start == other.start && end == other.end;
          }
      };

      enum EditMode {
            Slide,
            Splice,
      };

        enum RegionPoint { 
          Start,
          End,
          SyncPoint
      };

      enum Change {
            range_guarantee = ~0
      };


      enum Placement {
            PreFader,
            PostFader
      };

      enum CrossfadeModel {
            FullCrossfade,
            ShortCrossfade
      };

      struct InterThreadInfo {
          volatile bool  done;
          volatile bool  cancel;
          volatile float progress;
          pthread_t      thread;
      };
};


static inline jack_nframes_t
session_frame_to_track_frame (jack_nframes_t session_frame, double speed)
{
      return (jack_nframes_t)( (double)session_frame * speed );
}


static inline jack_nframes_t
track_frame_to_session_frame (jack_nframes_t track_frame, double speed)
{
      return (jack_nframes_t)( (double)track_frame / speed );
}


#endif /* __ardour_types_h__ */


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