Panda3D
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00001 // Filename: milesAudioStream.h 00002 // Created by: drose (26Jul07) 00003 // 00004 //////////////////////////////////////////////////////////////////// 00005 // 00006 // PANDA 3D SOFTWARE 00007 // Copyright (c) Carnegie Mellon University. All rights reserved. 00008 // 00009 // All use of this software is subject to the terms of the revised BSD 00010 // license. You should have received a copy of this license along 00011 // with this source code in a file named "LICENSE." 00012 // 00013 //////////////////////////////////////////////////////////////////// 00014 00015 #ifndef MILESAUDIOSTREAM_H 00016 #define MILESAUDIOSTREAM_H 00017 00018 #include "pandabase.h" 00019 #ifdef HAVE_RAD_MSS //[ 00020 00021 #include "milesAudioSound.h" 00022 #include "milesAudioManager.h" 00023 #include "mss.h" 00024 00025 //////////////////////////////////////////////////////////////////// 00026 // Class : MilesAudioStream 00027 // Description : This represents a sound file played by the Miles 00028 // Sound System, similar to MilesAudioSample, except 00029 // that it is streamed from disk instead of preloaded 00030 // into memory. 00031 //////////////////////////////////////////////////////////////////// 00032 class EXPCL_MILES_AUDIO MilesAudioStream : public MilesAudioSound { 00033 private: 00034 MilesAudioStream(MilesAudioManager *manager, const string &file_name, 00035 const Filename &path); 00036 00037 public: 00038 virtual ~MilesAudioStream(); 00039 00040 virtual void play(); 00041 virtual void stop(); 00042 00043 virtual PN_stdfloat get_time() const; 00044 00045 virtual void set_volume(PN_stdfloat volume=1.0f); 00046 virtual void set_balance(PN_stdfloat balance_right=0.0f); 00047 virtual void set_play_rate(PN_stdfloat play_rate=1.0f); 00048 00049 virtual PN_stdfloat length() const; 00050 00051 virtual AudioSound::SoundStatus status() const; 00052 00053 virtual void cleanup(); 00054 00055 private: 00056 static void AILCALLBACK finish_callback(HSTREAM stream); 00057 void do_set_time(PN_stdfloat time); 00058 00059 Filename _path; 00060 HSTREAM _stream; 00061 S32 _original_playback_rate; 00062 mutable PN_stdfloat _length; 00063 mutable bool _got_length; 00064 00065 public: 00066 static TypeHandle get_class_type() { 00067 return _type_handle; 00068 } 00069 static void init_type() { 00070 MilesAudioSound::init_type(); 00071 register_type(_type_handle, "MilesAudioStream", 00072 MilesAudioSound::get_class_type()); 00073 } 00074 virtual TypeHandle get_type() const { 00075 return get_class_type(); 00076 } 00077 virtual TypeHandle force_init_type() {init_type(); return get_class_type();} 00078 00079 private: 00080 static TypeHandle _type_handle; 00081 00082 friend class MilesAudioManager; 00083 }; 00084 00085 #include "milesAudioStream.I" 00086 00087 #endif //] 00088 00089 #endif