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|
#include <iostream>
#include <ObjBase.h>
#include <mmdeviceapi.h>
#include <Audioclient.h>
#include <Functiondiscoverykeys_devpkey.h>
#include <ctime>
#include <fstream>
using namespace std;
#define TMP_FILE "record.tmp"
void writeWAVFile(const char* pathFile, WAVEFORMATEX *wfe, UINT32 sampleSize)
{
int size;
char *buffer;
int chunkSize = sampleSize + 36;
int subChunkSize = 16;
int audioFormat = 1;
ofstream ofs(pathFile, ios::binary);
ofs << "RIFF";
ofs << reinterpret_cast<const char *>(&chunkSize);
ofs << "WAVE";
ofs << "fmt ";
ofs << reinterpret_cast<const char *>(&subChunkSize);
ofs << reinterpret_cast<const char *>(&audioFormat);
ofs << reinterpret_cast<const char *>(&wfe->nChannels);
ofs << reinterpret_cast<const char *>(&wfe->nSamplesPerSec);
ofs << reinterpret_cast<const char *>(&wfe->nAvgBytesPerSec);
ofs << reinterpret_cast<const char *>(&wfe->nBlockAlign);
ofs << reinterpret_cast<const char *>(&wfe->wBitsPerSample);
ofs << "data";
ofs << reinterpret_cast<const char *>(&sampleSize);
ifstream iTmp(TMP_FILE, ios::binary);
iTmp.seekg(0, ios::end);
size = iTmp.tellg();
iTmp.seekg(0, ios::beg);
if (size > 0)
{
buffer = new char[size + 1];
buffer[size] = '\0';
iTmp.read(buffer, size);
ofs << buffer;
delete[] buffer;
buffer = NULL;
}
iTmp.close();
ofs.close();
remove(TMP_FILE);
}
int main(int argc, char *argv[])
{
// Begin program
IMMDeviceEnumerator *pEnumerator;
CoInitialize(NULL);
if (CoCreateInstance(__uuidof(MMDeviceEnumerator), NULL, CLSCTX_ALL, __uuidof(IMMDeviceEnumerator), (void**)&pEnumerator) == S_OK)
{
IMMDevice *pDevice;
if (pEnumerator->GetDefaultAudioEndpoint(eCapture, eConsole, &pDevice) == S_OK)
{
IAudioClient *pAudioClient;
if (pDevice->Activate(__uuidof(IAudioClient), CLSCTX_ALL, NULL, (void**)&pAudioClient) == S_OK)
{
WAVEFORMATEX *wfe;
pAudioClient->GetMixFormat(&wfe);
if (pAudioClient->Initialize(AUDCLNT_SHAREMODE_SHARED, 0, 10000000, 0, wfe, NULL) == S_OK)
{
IAudioCaptureClient *pAudioCapture;
if (pAudioClient->GetService(__uuidof(IAudioCaptureClient), (void**)&pAudioCapture) == S_OK)
{
// Constants
const UINT timeout = (argc >= 3) ? (int)(argv[2] - '0') : 5;
const char* pathFile = (argc >= 2) ? argv[1] : "record.wav";
// Time
time_t startTime = time(NULL);
// Stream
ofstream ofs;
// Buffer capture
UINT32 packetSize;
BYTE *buffer;
UINT32 numFramesToRead;
DWORD flags;
// Infos capture
UINT32 sampleSize;
// Start capture
pAudioClient->Start();
while (true)
{
time_t now = time(NULL);
time_t interval = now - startTime;
if (interval >= timeout) break;
else
{
Sleep(32);
pAudioCapture->GetNextPacketSize(&packetSize);
while (packetSize != 0)
{
if (pAudioCapture->GetBuffer(&buffer, &numFramesToRead, &flags, NULL, NULL) == S_OK)
{
ofs.open(TMP_FILE, ios::binary | ios::app);
ofs << buffer;
ofs.close();
sampleSize += packetSize;
}
pAudioCapture->ReleaseBuffer(numFramesToRead);
pAudioCapture->GetNextPacketSize(&packetSize);
}
system("CLS");
cout << timeout - interval << endl;
}
}
// Ecrit les données dans le fichier WAV
writeWAVFile(pathFile, wfe, sampleSize);
pAudioClient->Stop();
pAudioCapture->Release();
}
}
pAudioClient->Release();
}
pDevice->Release();
}
pEnumerator->Release();
}
system("PAUSE");
return 0;
} |
