source/source.cpp

   1 #include "buffer.h"
   2 #include "source.h"
   3
   4 using namespace std;
   5
   6 namespace Msp {
   7 namespace AL {
   8
   9 Source::Source()
  10 {
  11         alGenSources(1, &id);
  12 }
  13
  14 Source::~Source()
  15 {
  16         alDeleteSources(1, &id);
  17 }
  18
  19 SourceState Source::get_state() const
  20 {
  21         int state = INITIAL;
  22         alGetSourcei(id, AL_SOURCE_STATE, &state);
  23         return static_cast<SourceState>(state);
  24 }
  25
  26 void Source::set_position(float x, float y, float z)
  27 {
  28         alSource3f(id, AL_POSITION, x, y, z);
  29 }
  30
  31 void Source::set_velocity(float x, float y, float z)
  32 {
  33         alSource3f(id, AL_VELOCITY, x, y, z);
  34 }
  35
  36 void Source::set_looping(bool l)
  37 {
  38         alSourcei(id, AL_LOOPING, l);
  39 }
  40
  41 void Source::set_gain(float g)
  42 {
  43         alSourcef(id, AL_GAIN, g);
  44 }
  45
  46 void Source::set_rolloff_factor(float f)
  47 {
  48         alSourcef(id, AL_ROLLOFF_FACTOR, f);
  49 }
  50
  51 void Source::set_buffer(const Buffer &buffer)
  52 {
  53         alSourcei(id, AL_BUFFER, buffer.get_id());
  54 }
  55
  56 void Source::queue_buffers(const vector<const Buffer *> &buffers)
  57 {
  58         vector<uint> ids;
  59         ids.reserve(buffers.size());
  60         for(vector<const Buffer *>::const_iterator i=buffers.begin(); i!=buffers.end(); ++i)
  61                 ids.push_back((*i)->get_id());
  62         alSourceQueueBuffers(id, ids.size(), &ids.front());
  63 }
  64
  65 void Source::queue_buffer(const Buffer &buffer)
  66 {
  67         uint bid = buffer.get_id();
  68         alSourceQueueBuffers(id, 1, &bid);
  69 }
  70
  71 void Source::unqueue_buffers(const vector<const Buffer *> &buffers)
  72 {
  73         vector<uint> ids;
  74         ids.reserve(buffers.size());
  75         for(vector<const Buffer *>::const_iterator i=buffers.begin(); i!=buffers.end(); ++i)
  76                 ids.push_back((*i)->get_id());
  77         alSourceUnqueueBuffers(id, ids.size(), &ids.front());
  78 }
  79
  80 void Source::unqueue_buffer(const Buffer &buffer)
  81 {
  82         uint bid = buffer.get_id();
  83         alSourceUnqueueBuffers(id, 1, &bid);
  84 }
  85
  86 void Source::clear_buffers()
  87 {
  88         alSourcei(id, AL_BUFFER, AL_NONE);
  89 }
  90
  91 unsigned Source::get_buffers_queued() const
  92 {
  93         int n = 0;
  94         alGetSourceiv(id, AL_BUFFERS_QUEUED, &n);
  95         return n;
  96 }
  97
  98 unsigned Source::get_buffers_processed() const
  99 {
 100         int n = 0;
 101         alGetSourceiv(id, AL_BUFFERS_PROCESSED, &n);
 102         return n;
 103 }
 104
 105 void Source::play()
 106 {
 107         alSourcePlay(id);
 108 }
 109
 110 void Source::pause()
 111 {
 112         alSourcePause(id);
 113 }
 114
 115 void Source::stop()
 116 {
 117         alSourceStop(id);
 118 }
 119
 120 void Source::rewind()
 121 {
 122         alSourceRewind(id);
 123 }
 124
 125 } // namespace AL
 126 } // namespace Msp