Core/Momiji.Sequencer.Wave.h

   1 /*
   2 [momiji music component library]
   3 ---------------------------------------------------------------------
   4 Momiji.Sequencer.Midi.Smf.cpp
   5         stream component of standard midi file.
   6 ---------------------------------------------------------------------
   7 Copyright (C) 2011 tyiki badwell {miria@users.sourceforge.jp}.
   8
   9 This program is free software: you can redistribute it and/or modify
  10 it under the terms of the GNU General Public License as published by
  11 the Free Software Foundation, either version 3 of the License, or
  12 (at your option) any later version.
  13
  14 This program is distributed in the hope that it will be useful,
  15 but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 GNU General Public License for more details.
  18
  19 You should have received a copy of the GNU General Public License
  20 along with this program.  If not, see <http://www.gnu.org/licenses/gpl-3.0.html>.
  21 ---------------------------------------------------------------------
  22 */
  23 #pragma once
  24
  25 #using <mscorlib.dll>
  26
  27 #include "Momiji.Interop.Winmm.h"
  28
  29 #include "Momiji.Core.Interface.h"
  30 #include "Momiji.Core.Buffer.h"
  31
  32 using namespace System::Runtime;
  33
  34 namespace Momiji{
  35 namespace Sequencer {
  36 namespace Wave {
  37
  38         public ref class WaveStream
  39                 : public Core::IStream
  40         {
  41         public:
  42                 enum class TYPE: System::UInt32
  43                 {
  44                         HEADER          = 0x52494646L,  //      RIFF
  45                         HEADER_R        = 0x46464952L,  //              読み込み用
  46                 };
  47
  48                 enum class FORMAT: System::UInt32
  49                 {
  50                         WAVE            = 0x57415645L,  //      WAVE
  51                         WAVE_R          = 0x45564157L,  //              読み込み用
  52                 };
  53
  54                 enum class SUB: System::UInt32
  55                 {
  56                         fmt_            = 0x666D7420L,  //      fmt
  57                         fmt__R          = 0x20746D66L,  //              読み込み用
  58
  59                         data            = 0x64617461L,  //      data
  60                         data_R          = 0x61746164L,  //              読み込み用
  61
  62                         LIST            = 0x4C495354L,  //      LIST
  63                         LIST_R          = 0x5453494CL,  //              読み込み用
  64
  65                 };
  66
  67                 //RIFF Header Chunk
  68                 WIN32_DLL_STRUCTLAYOUT value struct RIFFHEADER_CHUNK
  69                 {
  70                         System::UInt32  dwType;
  71                         System::UInt32  dwLength;
  72                         System::UInt32  dwFormat;
  73                 };
  74
  75                 //RIFF Sub Chunk
  76                 WIN32_DLL_STRUCTLAYOUT value struct RIFFSUB_CHUNK
  77                 {
  78                         System::UInt32  dwType;
  79                         System::UInt32  dwLength;
  80                 };
  81
  82         private:
  83                 System::IO::MemoryMappedFiles::MemoryMappedFile^                        _mmap;
  84                 System::IO::MemoryMappedFiles::MemoryMappedViewAccessor^        _view;
  85
  86                 Momiji::Interop::Winmm::WaveFormatEx _wfx;
  87
  88                 System::Int64 _dataStartPosition;
  89                 System::UInt32 _dataSize;
  90                 System::Int64 _dataSeekPosition;
  91
  92         public:
  93                 WaveStream(System::String^ path);
  94                 virtual ~WaveStream();
  95
  96         protected:
  97                 !WaveStream();
  98
  99         private:
 100                 void Open(System::String^ path);
 101                 void CheckWave();
 102
 103         public:
 104                 virtual array<Core::IStreamPacket^>^ GetStreamPacket(System::Double deltaTime) {return nullptr;};
 105                 virtual void Rewind() {};
 106
 107                 //System::UInt32 WaveStream::Read(array<System::Byte>^ buffer, System::UInt32 samplesPerBuffer);
 108                 System::UInt32 WaveStream::Read(Momiji::Core::Buffer::BufferPool<array<System::Byte>^>::Buffer^ buffer, System::UInt32 samplesPerBuffer);
 109
 110                 property Momiji::Interop::Winmm::WaveFormatEx format { Momiji::Interop::Winmm::WaveFormatEx get() {return this->_wfx;} }
 111
 112         };
 113
 114         public ref class WaveException
 115                 : System::Exception
 116         {
 117         public:
 118                 WaveException(System::String^ v): System::Exception(v){};
 119         };
 120
 121 }
 122 }
 123 }