Libs/SoundSystem/SoundSysFMOD3/StreamingBuffer.cpp

   1 /*
   2 Cafu Engine, http://www.cafu.de/
   3 Copyright (c) Carsten Fuchs and other contributors.
   4 This project is licensed under the terms of the MIT license.
   5 */
   6
   7 #include "StreamingBuffer.hpp"
   8
   9 #include "fmod.h"           // FMOD
  10 #ifdef _WIN32
  11 #include "fmod_errors.h"    // FMOD Error Messages
  12 #endif
  13
  14 #include <iostream>
  15
  16
  17 StreamingBufferT::StreamingBufferT(const std::string& AudioFile, bool Is3DSound)
  18     : BufferT(AudioFile),
  19       m_Stream(FSOUND_Stream_Open(AudioFile.c_str(), Is3DSound ? FSOUND_HW3D | FSOUND_FORCEMONO : FSOUND_HW2D, 0, 0))
  20 {
  21     if (m_Stream==NULL) std::cout << "FMOD3: Error creating stream from '" << AudioFile << "'\n";
  22 }
  23
  24
  25 StreamingBufferT::~StreamingBufferT()
  26 {
  27     if (m_Stream==NULL) return;
  28
  29     FSOUND_Stream_Close(m_Stream);
  30 }
  31
  32
  33 int StreamingBufferT::AttachToChannel(unsigned int Priority)
  34 {
  35     if (m_Stream==NULL) return -1;
  36
  37     // Note: Streams have always a priority of 256 in FMOD and can never be rejected.
  38     // The only thing we can do is set the custom priority after a channel has been set.
  39     int ChannelHandle=FSOUND_Stream_PlayEx(FSOUND_FREE, m_Stream, NULL, true);
  40
  41     if(FSOUND_SetPriority(ChannelHandle, Priority)==false)
  42        std::cout << "FMOD3: [Warning] Couldn't set channel priority for '" << FileName << "'\n";
  43
  44     return ChannelHandle;
  45 }
  46
  47
  48 void StreamingBufferT::Rewind()
  49 {
  50     FSOUND_Stream_SetPosition(m_Stream, 0);
  51 }