examples/alure-play.cpp

   1 /*
   2  * A simple example showing how to load and play a sound.
   3  */
   4
   5 #include <string.h>
   6
   7 #include <iostream>
   8 #include <iomanip>
   9 #include <thread>
  10 #include <chrono>
  11
  12 #include "alure2.h"
  13
  14 int main(int argc, char *argv[])
  15 {
  16     alure::ArrayView<const char*> args(argv, argc);
  17
  18     if(args.size() < 2)
  19     {
  20         std::cerr<< "Usage: "<<args.front()<<" [-device \"device name\"] files..." <<std::endl;
  21         return 1;
  22     }
  23     args = args.slice(1);
  24
  25     alure::DeviceManager devMgr = alure::DeviceManager::getInstance();
  26
  27     alure::Device dev;
  28     if(args.size() > 2 && args[0] == alure::StringView("-device"))
  29     {
  30         dev = devMgr.openPlayback(args[1], std::nothrow);
  31         if(!dev) std::cerr<< "Failed to open \""<<args[1]<<"\" - trying default" <<std::endl;
  32         args = args.slice(2);
  33     }
  34     if(!dev) dev = devMgr.openPlayback();
  35     std::cout<< "Opened \""<<dev.getName()<<"\"" <<std::endl;
  36
  37     alure::Context ctx = dev.createContext();
  38     alure::Context::MakeCurrent(ctx);
  39
  40     for(;!args.empty();args = args.slice(1))
  41     {
  42         alure::Buffer buffer = ctx.getBuffer(args.front());
  43         alure::Source source = ctx.createSource();
  44         source.play(buffer);
  45         std::cout<< "Playing "<<args.front()<<" ("
  46                  << alure::GetSampleTypeName(buffer.getSampleType())<<", "
  47                  << alure::GetChannelConfigName(buffer.getChannelConfig())<<", "
  48                  << buffer.getFrequency()<<"hz)" <<std::endl;
  49
  50         while(source.isPlaying())
  51         {
  52             std::cout<< "\r "<<source.getSampleOffset()<<" / "<<buffer.getLength() <<std::flush;
  53             std::this_thread::sleep_for(std::chrono::milliseconds(25));
  54             ctx.update();
  55         }
  56         std::cout<<std::endl;
  57
  58         source.destroy();
  59         ctx.removeBuffer(buffer);
  60     }
  61
  62     alure::Context::MakeCurrent(nullptr);
  63     ctx.destroy();
  64     dev.close();
  65
  66     return 0;
  67 }