nel/src/sound/source_music_channel.cpp

   1 /**
   2  * \file source_music_channel.cpp
   3  * \brief CSourceMusicChannel
   4  * \date 2012-04-11 16:08GMT
   5  * \author Jan Boon (Kaetemi)
   6  * CSourceMusicChannel
   7  */
   8
   9 // NeL - MMORPG Framework <https://wiki.ryzom.dev/>
  10 // Copyright (C) 2012  Jan BOON (Kaetemi) <jan.boon@kaetemi.be>
  11 //
  12 // This program is free software: you can redistribute it and/or modify
  13 // it under the terms of the GNU Affero General Public License as
  14 // published by the Free Software Foundation, either version 3 of the
  15 // License, or (at your option) any later version.
  16 //
  17 // This program is distributed in the hope that it will be useful,
  18 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 // GNU Affero General Public License for more details.
  21 //
  22 // You should have received a copy of the GNU Affero General Public License
  23 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
  24
  25 #include "stdsound.h"
  26 #include <nel/sound/source_music_channel.h>
  27
  28 // STL includes
  29
  30 // NeL includes
  31 // #include <nel/misc/debug.h>
  32 #include <nel/sound/stream_file_source.h>
  33
  34 // Project includes
  35
  36 using namespace std;
  37 // using namespace NLMISC;
  38
  39 namespace NLSOUND {
  40
  41 CSourceMusicChannel::CSourceMusicChannel() : m_Source(NULL), m_Gain(1.0f)
  42 {
  43
  44 }
  45
  46 CSourceMusicChannel::~CSourceMusicChannel()
  47 {
  48         nlassert(!m_Source);
  49         delete m_Source;
  50         m_Source = NULL;
  51 }
  52
  53 bool CSourceMusicChannel::play(const std::string &filepath, bool async, bool loop)
  54 {
  55         // delete previous source if any
  56         // note that this waits for the source's thread to finish if the source was still playing
  57         if (m_Source)
  58                 delete m_Source;
  59
  60         m_Sound.setMusicFilePath(filepath, async, loop);
  61
  62         m_Source = new CStreamFileSource(&m_Sound, false, NULL, NULL, NULL, NULL);
  63         m_Source->setSourceRelativeMode(true);
  64         m_Source->setPos(NLMISC::CVector::Null);
  65         m_Source->setRelativeGain(m_Gain);
  66
  67         m_Source->play();
  68
  69         return m_Source->isPlaying();
  70 }
  71
  72 void CSourceMusicChannel::stop()
  73 {
  74         // stop but don't delete the source, deleting source may cause waiting for thread
  75         if (m_Source)
  76                 m_Source->stop();
  77 }
  78
  79 void CSourceMusicChannel::reset()
  80 {
  81         // forces the source to be deleted, happens when audio mixer is reset
  82         delete m_Source;
  83         m_Source = NULL;
  84 }
  85
  86 void CSourceMusicChannel::pause()
  87 {
  88         if (m_Source)
  89                 m_Source->pause();
  90 }
  91
  92 void CSourceMusicChannel::resume()
  93 {
  94         if (m_Source)
  95                 m_Source->resume();
  96 }
  97
  98 bool CSourceMusicChannel::isEnded()
  99 {
 100         if (m_Source)
 101         {
 102                 if (m_Source->isEnded())
 103                 {
 104                         // we can delete the source now without worrying about thread wait
 105                         delete m_Source;
 106                         m_Source = NULL;
 107                         return true;
 108                 }
 109                 return false;
 110         }
 111         return true;
 112 }
 113
 114 bool CSourceMusicChannel::isLoadingAsync()
 115 {
 116         if (m_Source)
 117                 return m_Source->isLoadingAsync();
 118         return false;
 119 }
 120
 121 float CSourceMusicChannel::getLength()
 122 {
 123         if (m_Source)
 124                 return m_Source->getLength();
 125         return 0.0f;
 126 }
 127
 128 void CSourceMusicChannel::setVolume(float gain)
 129 {
 130         m_Gain = gain;
 131         if (m_Source)
 132                 m_Source->setRelativeGain(gain);
 133 }
 134
 135 } /* namespace NLSOUND */
 136
 137 /* end of file */