globalMilesManager.h

Go to the documentation of this file.

/**
 * PANDA 3D SOFTWARE
 * Copyright (c) Carnegie Mellon University.  All rights reserved.
 *
 * All use of this software is subject to the terms of the revised BSD
 * license.  You should have received a copy of this license along
 * with this source code in a file named "LICENSE."
 *
 * @file globalMilesManager.h
 * @author drose
 * @date 2007-07-26
 */
 
#ifndef GLOBALMILESMANAGER_H
#define GLOBALMILESMANAGER_H
 
#include "pandabase.h"
#ifdef HAVE_RAD_MSS //[
 
#include "pset.h"
#include "lightMutex.h"
#include "lightMutexHolder.h"
 
#include <mss.h>
 
#ifndef UINTa
#define UINTa U32
#endif
 
#ifndef SINTa
#define SINTa S32
#endif
 
class MilesAudioSample;
class MilesAudioSequence;
 
/**
 * This is a wrapper around the parts of the Miles API that should only be
 * created once.  This represents the global data common to all
 * MilesAudioManagers.
 */
class EXPCL_MILES_AUDIO GlobalMilesManager {
private:
  GlobalMilesManager();
 
public:
  void add_manager(MilesAudioManager *manager);
  void remove_manager(MilesAudioManager *manager);
  void cleanup();
  INLINE bool is_open() const;
 
  bool get_sample(HSAMPLE &sample, size_t &index, MilesAudioSample *sound);
  void release_sample(size_t index, MilesAudioSample *sound);
  INLINE int get_num_samples() const;
 
  bool get_sequence(HSEQUENCE &sequence, size_t &index, MilesAudioSequence *sound);
  void release_sequence(size_t index, MilesAudioSequence *sound);
  INLINE int get_num_sequences() const;
 
  void force_midi_reset();
 
  static GlobalMilesManager *get_global_ptr();
 
public:
  HDIGDRIVER _digital_driver;
  HMDIDRIVER _midi_driver;
 
  // For software MIDI:
  HDLSDEVICE _dls_device;
  HDLSFILEID _dls_file;
  vector_uchar _dls_data;
 
private:
  void open_api();
  void close_api();
 
  static U32 AILCALLBACK open_callback(char const *filename, UINTa *file_handle);
  static void AILCALLBACK close_callback(UINTa file_handle);
  static S32 AILCALLBACK seek_callback(UINTa file_handle, S32 offset, U32 type);
  static U32 AILCALLBACK read_callback(UINTa file_handle, void *buffer, U32 bytes);
 
 
private:
  bool _is_open;
 
  typedef pset<MilesAudioManager *> Managers;
  Managers _managers;
  LightMutex _managers_lock;
 
  class SampleData {
  public:
    HSAMPLE _sample;
    MilesAudioSample *_sound;
  };
 
  typedef pvector<SampleData> Samples;
  Samples _samples;
  LightMutex _samples_lock;
 
  class SequenceData {
  public:
    HSEQUENCE _sequence;
    MilesAudioSequence *_sound;
  };
 
  typedef pvector<SequenceData> Sequences;
  Sequences _sequences;
  LightMutex _sequences_lock;
 
  static GlobalMilesManager *_global_ptr;
};
 
#include "globalMilesManager.I"
 
#endif //]
 
#endif