Gnash 0.8.10dev
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00001 // EmbedSound.h - embedded sound definition, for gnash 00002 // 00003 // Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 00004 // 2011 Free Software Foundation, Inc 00005 // 00006 // This program is free software; you can redistribute it and/or modify 00007 // it under the terms of the GNU General Public License as published by 00008 // the Free Software Foundation; either version 3 of the License, or 00009 // (at your option) any later version. 00010 // 00011 // This program is distributed in the hope that it will be useful, 00012 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 // GNU General Public License for more details. 00015 // 00016 // You should have received a copy of the GNU General Public License 00017 // along with this program; if not, write to the Free Software 00018 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 00019 00020 #ifndef SOUND_EMBEDSOUND_H 00021 #define SOUND_EMBEDSOUND_H 00022 00023 #include "SimpleBuffer.h" // for composition 00024 #include "SoundInfo.h" // for composition 00025 #include "SoundEnvelope.h" // for SoundEnvelopes define 00026 00027 #include <vector> 00028 #include <map> // for composition (m_frame_size) 00029 #include <memory> // for auto_ptr (composition) 00030 #include <set> // for composition (_soundInstances) 00031 #include <cassert> 00032 #include <boost/thread/mutex.hpp> 00033 00034 00035 // Forward declarations 00036 namespace gnash { 00037 namespace sound { 00038 class EmbedSoundInst; 00039 class InputStream; 00040 } 00041 namespace media { 00042 class MediaHandler; 00043 } 00044 } 00045 00046 namespace gnash { 00047 namespace sound { 00048 00050 class EmbedSound 00051 { 00053 std::auto_ptr<SimpleBuffer> _buf; 00054 00055 void ensureBufferPadding(); 00056 00057 public: 00058 00060 // 00069 EmbedSound(std::auto_ptr<SimpleBuffer> data, 00070 std::auto_ptr<media::SoundInfo> info, int nVolume, 00071 size_t paddingBytes); 00072 00073 ~EmbedSound(); 00074 00076 std::auto_ptr<media::SoundInfo> soundinfo; 00077 00078 typedef std::map<boost::uint32_t,boost::uint32_t> FrameSizeMap; 00079 00081 FrameSizeMap m_frames_size; 00082 00084 // 00091 void append(boost::uint8_t* data, unsigned int size); 00092 00094 size_t size() const 00095 { 00096 return _buf->size(); 00097 } 00098 00100 bool empty() const 00101 { 00102 return _buf->empty(); 00103 } 00104 00106 const boost::uint8_t* data() const { 00107 return _buf->data(); 00108 } 00109 00111 boost::uint8_t* data() { 00112 return _buf->data(); 00113 } 00114 00116 // 00120 const boost::uint8_t* data(size_t pos) const { 00121 assert(pos < _buf->size()); 00122 return _buf->data()+pos; 00123 } 00124 00126 // 00130 boost::uint8_t* data(size_t pos) { 00131 assert(pos < _buf->size()); 00132 return _buf->data()+pos; 00133 } 00134 00136 // 00139 bool isPlaying() const; 00140 00142 // 00145 size_t numPlayingInstances() const; 00146 00148 void getPlayingInstances(std::vector<InputStream*>& to) const; 00149 00151 // 00154 EmbedSoundInst* firstPlayingInstance() const; 00155 00157 // 00194 std::auto_ptr<EmbedSoundInst> createInstance( media::MediaHandler& mh, 00195 unsigned long blockOffset, 00196 unsigned int inPoint, unsigned int outPoint, 00197 const SoundEnvelopes* envelopes, unsigned int loopCount); 00198 00201 int volume; 00202 00204 // 00207 typedef std::list<EmbedSoundInst*> Instances; 00208 00210 // 00216 Instances _soundInstances; 00217 00219 // 00222 mutable boost::mutex _soundInstancesMutex; 00223 00225 // 00228 void clearInstances(); 00229 00231 // 00236 Instances::iterator eraseActiveSound(Instances::iterator i); 00237 00239 // 00250 void eraseActiveSound(EmbedSoundInst* inst); 00251 00252 const size_t _paddingBytes; 00253 }; 00254 00255 } // gnash.sound namespace 00256 } // namespace gnash 00257 00258 #endif // SOUND_EMBEDSOUND_H