examples/alure-stream.cpp

   1 #ifdef _WIN32
   2 #define WIN32_LEAN_AND_MEAN
   3 #include <windows.h>
   4 #else
   5 #include <errno.h>
   6 #include <time.h>
   7 #include <stdint.h>
   8 inline void Sleep(uint32_t ms)
   9 {
  10     struct timespec ts, rem;
  11     ts.tv_sec = ms / 1000;
  12     ts.tv_nsec = (ms % 1000) * 1000000;
  13     while(nanosleep(&ts, &rem) == -1 && errno == EINTR)
  14         ts = rem;
  15 }
  16 #endif
  17
  18 #include <iostream>
  19 #include <sstream>
  20 #include <iomanip>
  21 #include <cstring>
  22
  23 #include "alure2.h"
  24
  25 int main(int argc, char *argv[])
  26 {
  27     alure::DeviceManager *devMgr = alure::DeviceManager::get();
  28
  29     alure::Device *dev = devMgr->openPlayback();
  30     std::cout<< "Opened \""<<dev->getName(alure::PlaybackDevType_Basic)<<"\"" <<std::endl;
  31
  32     alure::Context *ctx = dev->createContext();
  33     alure::Context::MakeCurrent(ctx);
  34
  35     for(int i = 1;i < argc;i++)
  36     {
  37         float offset = 0.0f;
  38         if(i+2 < argc && strcmp(argv[i], "-start") == 0)
  39         {
  40             std::stringstream sstr(argv[i+1]);
  41             sstr >> offset;
  42
  43             i += 2;
  44         }
  45
  46         alure::SharedPtr<alure::Decoder> decoder(ctx->createDecoder(argv[i]));
  47         alure::Source *source = ctx->getSource();
  48
  49         if(offset > 0.0f)
  50             source->setOffset(uint64_t(offset * decoder->getFrequency()));
  51
  52         source->play(decoder, 32768, 4);
  53         std::cout<< "Playing "<<argv[i]<<" ("<<alure::GetSampleTypeName(decoder->getSampleType())<<", "
  54                                              <<alure::GetChannelConfigName(decoder->getChannelConfig())<<", "
  55                                              <<decoder->getFrequency()<<"hz)" <<std::endl;
  56
  57         float invfreq = 1.0f / decoder->getFrequency();
  58         while(source->isPlaying())
  59         {
  60             std::cout<< "\r "<<std::setiosflags(std::ios::fixed)<<std::setprecision(2)<<
  61                         (source->getOffset()*invfreq)<<" / "<<(decoder->getLength()*invfreq);
  62             std::cout.flush();
  63             Sleep(25);
  64             ctx->update();
  65         }
  66         std::cout<<std::endl;
  67
  68         source->release();
  69         source = 0;
  70     }
  71
  72     alure::Context::MakeCurrent(0);
  73     ctx->destroy();
  74     ctx = 0;
  75     dev->close();
  76     dev = 0;
  77
  78     return 0;
  79 }