// entry point
int main(int argc, char* argv[]) {
// the vector to store the input
std::vector<std::string> input = {"1", "2", "3", "4", "5", "6"};
// apply the reverse function to the input vector
reverseBlock(&input, 4);
// loop through the vector and print the result
for (unsigned int i = 0; i < input.size();i++) {
// print the element
std::cout << input.at(i) << " ";
}
system("PAUSE");
return 0;
}
int main()
{
// Create and init output file "out.aif"
#ifdef __APPLE__
char infileName[]="voice.aif";
#else
char infileName[]="../../voice.aif";
#endif
char oufileName[]="out.aif";
long numChannels = 1; // DIRAC LE allows mono only, PRO can do stereo (and more) as well
float sr = mAiffGetSampleRate(infileName); // get sample rate from our input file
if (sr <= 0.) {
printf("ERROR: File not found\n");
exit(-1);
}
// We stuff all our programs' state variables that we need to access in order to read from the file in a struct
// You will normally pass your instance pointer "this" as userData, but since this is not a class we cannot do this here
userDataStruct state;
state.sNumChannels = numChannels;
state.sReadPosition = 0;
state.sInFileName = new char[strlen(infileName)+1];
memmove(state.sInFileName, infileName, (strlen(infileName)+1)*sizeof(char));
// First we set up DIRAC to process numChannels of audio
void *dirac = DiracCreate(kDiracLambda1, kDiracQualityBest, numChannels, sr, &myReadData, (void*)&state);
if (!dirac) {
printf("!! ERROR !!\n\n\tCould not create DIRAC instance\n\tCheck number of channels and sample rate!\n");
exit(-1);
}
// Initialize our output file
mAiffInitFile(oufileName, sr /* sample rate */, 16 /* bits */, numChannels);
// these are arbitrary regions in the file */
#define NUM_PARTS 17
SoundFileRegion regions[NUM_PARTS] = { {0, 4257, 1.0, 1.0},
{4257, 10741, 1.0, 1.0},
{14999, -20471, 1.0, 1.5}, /* negative length means reverse playback direction */
{35470, -12161, 1.0, 1.0},
{47631, 9323, 2.0, 1.0},
{56954, 18647, 1.0, 1.5},
{75601, 9121, 2.0, 1.0},
{84722, 22903, 1.0, 1.0},
{107625, 19863, 1.0, 1.0},
{107625, 19863, 1.0, pow(2., 1./12.)}, /* repeat and change pitch */
{107625, 19863, 1.0, pow(2., 2./12.)}, /* repeat and change pitch */
{127488, 39117, 1.0, .5},
{166605, -11553, 2.0, 1.0},
{178158, 20269, 1.0, 1.0},
{198427, 17430, 2.0, 1.0},
{215857, 23309, 1.0, 1.5},
{239166, 35266, 1.0, 1.0} };
for (int i=0; i<NUM_PARTS; i++)
{
printf("Processing region \t%d: {start: %d, length: %d} \twith time stretch %1.2f and pitch shift %1.2f\n",
i, regions[i].sStartFrameInFile, regions[i].sNumFrames, (float)regions[i].sTimeStretchFactor, (float)regions[i].sPitchShiftFactor);
/* determine the region length (output) in frames by multiplying input region length with time stretch factor */
long numOutFrames = regions[i].sTimeStretchFactor * abs(regions[i].sNumFrames);
/* set Dirac properties according to desired settings */
DiracSetProperty(kDiracPropertyTimeFactor, regions[i].sTimeStretchFactor, dirac);
DiracSetProperty(kDiracPropertyPitchFactor, regions[i].sPitchShiftFactor, dirac);
DiracSetProperty(kDiracPropertyFormantFactor, 1./regions[i].sPitchShiftFactor, dirac); /* optional */
/* allocate buffer to hold output frames */
float **audio = mAiffAllocateAudioBuffer(numChannels, numOutFrames);
/* set read position to begin of region */
state.sReadPosition = regions[i].sStartFrameInFile;
/* process region */
DiracProcess(audio, numOutFrames, dirac);
/* fade region to prevent glitches */
if (regions[i].sNumFrames < 0)
reverseBlock(audio, numChannels, numOutFrames);
fadeBlock(audio, numChannels, numOutFrames);
/* write region to file */
mAiffWriteData(oufileName, audio, numOutFrames, numChannels);
/* get rid of audio buffer */
mAiffDeallocateAudioBuffer(audio, numChannels);
/* reset Dirac instance for next region */
DiracReset(false, dirac);
}
// destroy DIRAC instance
DiracDestroy( dirac );
// free our file name
delete[] state.sInFileName;
// Done!
printf("\nDone!\n");
putchar(7);
/* Open audio file via system call */
#ifdef __APPLE__
system("open out.aif");
#elif defined _WIN32
system("start out.aif");
#elif defined __unix__
system("xdg-open out.aif");
#endif
return 0;
}
