mirror of
https://github.com/Gigaslav/HL2Overcharged.git
synced 2026-09-09 20:23:02 +03:00
303 lines
10 KiB
C++
303 lines
10 KiB
C++
/*===============================================================================================
|
|
Pitch detection example.
|
|
Copyright (c), Firelight Technologies Pty, Ltd 2004-2016.
|
|
|
|
This example combines recording with spectrum analysis to determine the pitch of the sound
|
|
being recorded.
|
|
===============================================================================================*/
|
|
#include "../../api/inc/fmod.hpp"
|
|
#include "../../api/inc/fmod_errors.h"
|
|
#include <windows.h>
|
|
#include <stdio.h>
|
|
#include <conio.h>
|
|
#include <math.h>
|
|
|
|
|
|
void ERRCHECK(FMOD_RESULT result)
|
|
{
|
|
if (result != FMOD_OK)
|
|
{
|
|
printf("FMOD error! (%d) %s\n", result, FMOD_ErrorString(result));
|
|
exit(-1);
|
|
}
|
|
}
|
|
|
|
static const char *note[120] =
|
|
{
|
|
"C 0", "C#0", "D 0", "D#0", "E 0", "F 0", "F#0", "G 0", "G#0", "A 0", "A#0", "B 0",
|
|
"C 1", "C#1", "D 1", "D#1", "E 1", "F 1", "F#1", "G 1", "G#1", "A 1", "A#1", "B 1",
|
|
"C 2", "C#2", "D 2", "D#2", "E 2", "F 2", "F#2", "G 2", "G#2", "A 2", "A#2", "B 2",
|
|
"C 3", "C#3", "D 3", "D#3", "E 3", "F 3", "F#3", "G 3", "G#3", "A 3", "A#3", "B 3",
|
|
"C 4", "C#4", "D 4", "D#4", "E 4", "F 4", "F#4", "G 4", "G#4", "A 4", "A#4", "B 4",
|
|
"C 5", "C#5", "D 5", "D#5", "E 5", "F 5", "F#5", "G 5", "G#5", "A 5", "A#5", "B 5",
|
|
"C 6", "C#6", "D 6", "D#6", "E 6", "F 6", "F#6", "G 6", "G#6", "A 6", "A#6", "B 6",
|
|
"C 7", "C#7", "D 7", "D#7", "E 7", "F 7", "F#7", "G 7", "G#7", "A 7", "A#7", "B 7",
|
|
"C 8", "C#8", "D 8", "D#8", "E 8", "F 8", "F#8", "G 8", "G#8", "A 8", "A#8", "B 8",
|
|
"C 9", "C#9", "D 9", "D#9", "E 9", "F 9", "F#9", "G 9", "G#9", "A 9", "A#9", "B 9"
|
|
};
|
|
|
|
static const float notefreq[120] =
|
|
{
|
|
16.35f, 17.32f, 18.35f, 19.45f, 20.60f, 21.83f, 23.12f, 24.50f, 25.96f, 27.50f, 29.14f, 30.87f,
|
|
32.70f, 34.65f, 36.71f, 38.89f, 41.20f, 43.65f, 46.25f, 49.00f, 51.91f, 55.00f, 58.27f, 61.74f,
|
|
65.41f, 69.30f, 73.42f, 77.78f, 82.41f, 87.31f, 92.50f, 98.00f, 103.83f, 110.00f, 116.54f, 123.47f,
|
|
130.81f, 138.59f, 146.83f, 155.56f, 164.81f, 174.61f, 185.00f, 196.00f, 207.65f, 220.00f, 233.08f, 246.94f,
|
|
261.63f, 277.18f, 293.66f, 311.13f, 329.63f, 349.23f, 369.99f, 392.00f, 415.30f, 440.00f, 466.16f, 493.88f,
|
|
523.25f, 554.37f, 587.33f, 622.25f, 659.26f, 698.46f, 739.99f, 783.99f, 830.61f, 880.00f, 932.33f, 987.77f,
|
|
1046.50f, 1108.73f, 1174.66f, 1244.51f, 1318.51f, 1396.91f, 1479.98f, 1567.98f, 1661.22f, 1760.00f, 1864.66f, 1975.53f,
|
|
2093.00f, 2217.46f, 2349.32f, 2489.02f, 2637.02f, 2793.83f, 2959.96f, 3135.96f, 3322.44f, 3520.00f, 3729.31f, 3951.07f,
|
|
4186.01f, 4434.92f, 4698.64f, 4978.03f, 5274.04f, 5587.65f, 5919.91f, 6271.92f, 6644.87f, 7040.00f, 7458.62f, 7902.13f,
|
|
8372.01f, 8869.84f, 9397.27f, 9956.06f, 10548.08f, 11175.30f, 11839.82f, 12543.85f, 13289.75f, 14080.00f, 14917.24f, 15804.26f
|
|
};
|
|
|
|
#define OUTPUTRATE 48000
|
|
#define SPECTRUMSIZE 8192
|
|
#define SPECTRUMRANGE ((float)OUTPUTRATE / 2.0f) /* 0 to nyquist */
|
|
|
|
#define BINSIZE (SPECTRUMRANGE / (float)SPECTRUMSIZE)
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
FMOD::System *system = 0;
|
|
FMOD::Sound *sound = 0;
|
|
FMOD::Channel *channel = 0;
|
|
FMOD_RESULT result;
|
|
FMOD_CREATESOUNDEXINFO exinfo;
|
|
int key, driver, recorddriver, numdrivers, count, bin;
|
|
unsigned int version;
|
|
|
|
/*
|
|
Create a System object and initialize.
|
|
*/
|
|
result = FMOD::System_Create(&system);
|
|
ERRCHECK(result);
|
|
|
|
result = system->getVersion(&version);
|
|
ERRCHECK(result);
|
|
|
|
if (version < FMOD_VERSION)
|
|
{
|
|
printf("Error! You are using an old version of FMOD %08x. This program requires %08x\n", version, FMOD_VERSION);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
System initialization
|
|
*/
|
|
printf("---------------------------------------------------------\n");
|
|
printf("Select OUTPUT type\n");
|
|
printf("---------------------------------------------------------\n");
|
|
printf("1 : DirectSound\n");
|
|
printf("2 : Windows Multimedia WaveOut\n");
|
|
printf("3 : ASIO\n");
|
|
printf("---------------------------------------------------------\n");
|
|
printf("Press a corresponding number or ESC to quit\n");
|
|
|
|
do
|
|
{
|
|
key = _getch();
|
|
} while (key != 27 && key < '1' && key > '5');
|
|
|
|
switch (key)
|
|
{
|
|
case '1' : result = system->setOutput(FMOD_OUTPUTTYPE_DSOUND);
|
|
break;
|
|
case '2' : result = system->setOutput(FMOD_OUTPUTTYPE_WINMM);
|
|
break;
|
|
case '3' : result = system->setOutput(FMOD_OUTPUTTYPE_ASIO);
|
|
break;
|
|
default : return 1;
|
|
}
|
|
ERRCHECK(result);
|
|
|
|
/*
|
|
Enumerate playback devices
|
|
*/
|
|
|
|
result = system->getNumDrivers(&numdrivers);
|
|
ERRCHECK(result);
|
|
|
|
printf("---------------------------------------------------------\n");
|
|
printf("Choose a PLAYBACK driver\n");
|
|
printf("---------------------------------------------------------\n");
|
|
for (count=0; count < numdrivers; count++)
|
|
{
|
|
char name[256];
|
|
|
|
result = system->getDriverInfo(count, name, 256, 0);
|
|
ERRCHECK(result);
|
|
|
|
printf("%d : %s\n", count + 1, name);
|
|
}
|
|
printf("---------------------------------------------------------\n");
|
|
printf("Press a corresponding number or ESC to quit\n");
|
|
|
|
do
|
|
{
|
|
key = _getch();
|
|
if (key == 27)
|
|
{
|
|
return 0;
|
|
}
|
|
driver = key - '1';
|
|
} while (driver < 0 || driver >= numdrivers);
|
|
|
|
result = system->setDriver(driver);
|
|
ERRCHECK(result);
|
|
|
|
/*
|
|
Enumerate record devices
|
|
*/
|
|
|
|
result = system->getRecordNumDrivers(&numdrivers);
|
|
ERRCHECK(result);
|
|
|
|
printf("---------------------------------------------------------\n");
|
|
printf("Choose a RECORD driver\n");
|
|
printf("---------------------------------------------------------\n");
|
|
for (count=0; count < numdrivers; count++)
|
|
{
|
|
char name[256];
|
|
|
|
result = system->getRecordDriverInfo(count, name, 256, 0);
|
|
ERRCHECK(result);
|
|
|
|
printf("%d : %s\n", count + 1, name);
|
|
}
|
|
printf("---------------------------------------------------------\n");
|
|
printf("Press a corresponding number or ESC to quit\n");
|
|
|
|
recorddriver = 0;
|
|
do
|
|
{
|
|
key = _getch();
|
|
if (key == 27)
|
|
{
|
|
return 0;
|
|
}
|
|
recorddriver = key - '1';
|
|
} while (recorddriver < 0 || recorddriver >= numdrivers);
|
|
|
|
printf("\n");
|
|
|
|
result = system->setSoftwareFormat(OUTPUTRATE, FMOD_SOUND_FORMAT_PCM16, 1, 0, FMOD_DSP_RESAMPLER_LINEAR);
|
|
ERRCHECK(result);
|
|
|
|
result = system->init(32, FMOD_INIT_NORMAL, 0);
|
|
ERRCHECK(result);
|
|
|
|
/*
|
|
Create a sound to record to.
|
|
*/
|
|
memset(&exinfo, 0, sizeof(FMOD_CREATESOUNDEXINFO));
|
|
|
|
exinfo.cbsize = sizeof(FMOD_CREATESOUNDEXINFO);
|
|
exinfo.numchannels = 1;
|
|
exinfo.format = FMOD_SOUND_FORMAT_PCM16;
|
|
exinfo.defaultfrequency = OUTPUTRATE;
|
|
exinfo.length = exinfo.defaultfrequency * sizeof(short) * exinfo.numchannels * 5;
|
|
|
|
result = system->createSound(0, FMOD_2D | FMOD_SOFTWARE | FMOD_LOOP_NORMAL | FMOD_OPENUSER, &exinfo, &sound);
|
|
ERRCHECK(result);
|
|
|
|
/*
|
|
Start the interface
|
|
*/
|
|
printf("=========================================================================\n");
|
|
printf("Pitch detection example. Copyright (c) Firelight Technologies 2004-2016.\n");
|
|
printf("=========================================================================\n");
|
|
printf("\n");
|
|
printf("Record something through the selected recording device and FMOD will\n");
|
|
printf("Determine the pitch. Sustain the tone for at least a second to get an\n");
|
|
printf("accurate reading.\n");
|
|
printf("Press 'Esc' to quit\n");
|
|
printf("\n");
|
|
|
|
result = system->recordStart(recorddriver, sound, true);
|
|
ERRCHECK(result);
|
|
|
|
Sleep(200); /* Give it some time to record something */
|
|
|
|
result = system->playSound(FMOD_CHANNEL_REUSE, sound, false, &channel);
|
|
ERRCHECK(result);
|
|
|
|
/* Dont hear what is being recorded otherwise it will feedback. Spectrum analysis is done before volume scaling in the DSP chain */
|
|
result = channel->setVolume(0);
|
|
ERRCHECK(result);
|
|
|
|
bin = 0;
|
|
|
|
/*
|
|
Main loop.
|
|
*/
|
|
do
|
|
{
|
|
static float spectrum[SPECTRUMSIZE];
|
|
float dominanthz = 0;
|
|
float max;
|
|
int dominantnote = 0;
|
|
float binsize = BINSIZE;
|
|
|
|
if (_kbhit())
|
|
{
|
|
key = _getch();
|
|
}
|
|
|
|
result = channel->getSpectrum(spectrum, SPECTRUMSIZE, 0, FMOD_DSP_FFT_WINDOW_TRIANGLE);
|
|
ERRCHECK(result);
|
|
|
|
max = 0;
|
|
|
|
for (count = 0; count < SPECTRUMSIZE; count++)
|
|
{
|
|
if (spectrum[count] > 0.01f && spectrum[count] > max)
|
|
{
|
|
max = spectrum[count];
|
|
bin = count;
|
|
}
|
|
}
|
|
|
|
dominanthz = (float)bin * BINSIZE; /* dominant frequency min */
|
|
|
|
dominantnote = 0;
|
|
for (count = 0; count < 120; count++)
|
|
{
|
|
if (dominanthz >= notefreq[count] && dominanthz < notefreq[count + 1])
|
|
{
|
|
/* which is it closer to. This note or the next note */
|
|
if (fabs(dominanthz - notefreq[count]) < fabs(dominanthz - notefreq[count+1]))
|
|
{
|
|
dominantnote = count;
|
|
}
|
|
else
|
|
{
|
|
dominantnote = count + 1;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
printf("Detected rate : %7.1f -> %7.1f hz. Detected musical note. %-3s (%7.1f hz)\r", dominanthz, ((float)bin + 0.99f) * BINSIZE, note[dominantnote], notefreq[dominantnote]);
|
|
|
|
system->update();
|
|
|
|
Sleep(10);
|
|
|
|
} while (key != 27);
|
|
|
|
printf("\n");
|
|
|
|
/*
|
|
Shut down
|
|
*/
|
|
result = sound->release();
|
|
ERRCHECK(result);
|
|
|
|
result = system->release();
|
|
ERRCHECK(result);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|