Panda3D
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00001 // Filename: userDataAudio.h 00002 // Created by: jyelon (02Jul07) 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 USERDATAAUDIO_H 00016 #define USERDATAAUDIO_H 00017 00018 #include "movieAudio.h" 00019 #include "datagramIterator.h" 00020 #include "pdeque.h" 00021 00022 class MovieAudioCursor; 00023 class UserDataAudioCursor; 00024 00025 //////////////////////////////////////////////////////////////////// 00026 // Class : UserDataAudio 00027 // Description : A UserDataAudio is a way for the user to manually 00028 // supply raw audio samples. remove_after_read means the 00029 // data will be removed if read once. Else data will 00030 // be stored (enable looping and seeking). 00031 // Expects data as 16 bit signed (word); Example for stereo: 00032 // 1.word = 1.channel,2.word = 2.channel, 00033 // 3.word = 1.channel,4.word = 2.channel, etc. 00034 //////////////////////////////////////////////////////////////////// 00035 class EXPCL_PANDA_MOVIES UserDataAudio : public MovieAudio { 00036 00037 PUBLISHED: 00038 UserDataAudio(int rate, int channels, bool remove_after_read=true); 00039 virtual ~UserDataAudio(); 00040 virtual PT(MovieAudioCursor) open(); 00041 00042 void append(PN_int16 *data, int n); 00043 void append(DatagramIterator *src, int len=0x40000000); 00044 void append(const string &str); 00045 void done(); // A promise not to write any more samples. 00046 00047 private: 00048 void read_samples(int n, PN_int16 *data); 00049 void update_cursor(); 00050 int _desired_rate; 00051 int _desired_channels; 00052 UserDataAudioCursor *_cursor; 00053 pdeque<PN_int16> _data; 00054 bool _aborted; 00055 bool _remove_after_read; 00056 friend class UserDataAudioCursor; 00057 00058 public: 00059 static TypeHandle get_class_type() { 00060 return _type_handle; 00061 } 00062 static void init_type() { 00063 MovieAudio::init_type(); 00064 register_type(_type_handle, "UserDataAudio", 00065 MovieAudio::get_class_type()); 00066 } 00067 virtual TypeHandle get_type() const { 00068 return get_class_type(); 00069 } 00070 virtual TypeHandle force_init_type() {init_type(); return get_class_type();} 00071 00072 private: 00073 static TypeHandle _type_handle; 00074 }; 00075 00076 #include "userDataAudio.I" 00077 00078 #endif