Ajouts de musique et irrKlang.

This commit is contained in:
Marc-Eric Martel
2021-10-19 10:27:59 -04:00
parent 167548dfc2
commit df3441dad6
778 changed files with 73920 additions and 13 deletions

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// This example will show how to record and play back audio. Additionally,
// the example shows how to write recorded audio out into a .WAV file.
// Audio recording is currently only supported on windows, so this
// example won't work on Linux or MacOS for now.
// Lets start: include the irrKlang headers and other input/output stuff
// needed to print and get user input from the console. And as exlained
// in the first tutorial, we use the namespace irr and audio and
// link to the irrKlang.dll file.
#include <stdio.h>
#include <irrKlang.h>
// include console I/O methods (conio.h for windows, our wrapper in linux)
#if defined(WIN32)
#include <conio.h>
#else
#include "../common/conio.h"
#endif
#pragma comment(lib, "irrKlang.lib") // link with irrKlang.dll
using namespace irrklang;
void writeWaveFile(const char* filename, SAudioStreamFormat format, void* data);
// The following will simply start up the irrklang engine, create an audio recorder, record
// some audio when the user presses a key, and save that data to a wave file. Additionally,
// the data is added into the sound engine and played back as well.
int main(int argc, const char** argv)
{
ISoundEngine* engine = createIrrKlangDevice();
IAudioRecorder* recorder = createIrrKlangAudioRecorder(engine);
if (!engine || !recorder)
{
printf("Could not create audio engine or audio recoder\n");
return 1;
}
printf("\nPress any key to start recording audio...\n");
getch();
// record some audio
recorder->startRecordingBufferedAudio();
printf("\nRECORDING. Press any key to stop...\n");
getch();
recorder->stopRecordingAudio();
printf("\nRecording done, recorded %dms of audio.\n",
recorder->getAudioFormat().FrameCount * 1000 / recorder->getAudioFormat().SampleRate );
printf("Press any key to play back recorded audio...\n");
getch();
// write the recorded audio as wave file
writeWaveFile("recorded.wav", recorder->getAudioFormat(), recorder->getRecordedAudioData());
// play the recorded audio
recorder->addSoundSourceFromRecordedAudio("myRecordedVoice");
engine->play2D("myRecordedVoice", true);
// wait until user presses a key
printf("\nPress any key to quit...");
getch();
recorder->drop();
engine->drop(); // delete engine
return 0;
}
// writes the recorded audio data into a .WAV file
void writeWaveFile(const char* filename, SAudioStreamFormat format, void* data)
{
if (!data)
{
printf("Could not save recorded data to %s, nothing recorded\n", filename);
return;
}
FILE* file = fopen(filename, "wb");
if (file)
{
// write wave header
unsigned short formatType = 1;
unsigned short numChannels = format.ChannelCount;
unsigned long sampleRate = format.SampleRate;
unsigned short bitsPerChannel = format.getSampleSize() * 8;
unsigned short bytesPerSample = format.getFrameSize() ;
unsigned long bytesPerSecond = format.getBytesPerSecond();
unsigned long dataLen = format.getSampleDataSize();
const int fmtChunkLen = 16;
const int waveHeaderLen = 4 + 8 + fmtChunkLen + 8;
unsigned long totalLen = waveHeaderLen + dataLen;
fwrite("RIFF", 4, 1, file);
fwrite(&totalLen, 4, 1, file);
fwrite("WAVE", 4, 1, file);
fwrite("fmt ", 4, 1, file);
fwrite(&fmtChunkLen, 4, 1, file);
fwrite(&formatType, 2, 1, file);
fwrite(&numChannels, 2, 1, file);
fwrite(&sampleRate, 4, 1, file);
fwrite(&bytesPerSecond, 4, 1, file);
fwrite(&bytesPerSample, 2, 1, file);
fwrite(&bitsPerChannel, 2, 1, file);
// write data
fwrite("data", 4, 1, file);
fwrite(&dataLen, 4, 1, file);
fwrite(data, dataLen, 1, file);
// finish
printf("Saved audio as %s\n", filename);
fclose(file);
}
else
printf("Could not open %s to write audio data\n", filename);
}