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| //---------------------------------------------------------------------------
#include <vcl.h>
#pragma hdrstop
#include "Unit1.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent *Owner) : TForm(Owner) { }
//---------------------------------------------------------------------------
void __fastcall TForm1::ButtonauxGetNumDevsClick(TObject *Sender) {
UINT numdev;
numdev = auxGetNumDevs();
Form1->Memo1->Lines->Add("Number of device = " + IntToStr((int)numdev));
Memo1->Lines->Add("--------------------------------------------");
}
//---------------------------------------------------------------------------
void __fastcall TForm1::ButtonInGetNumDevsClick(TObject *Sender) {
UINT numdev;
numdev = waveInGetNumDevs();
Form1->Memo1->Lines->Add("Number of waveform-audio input devices = " +
IntToStr((int)numdev));
Memo1->Lines->Add("--------------------------------------------");
}
//---------------------------------------------------------------------------
void __fastcall TForm1::ButtonwaveInGetDevCapsClick(TObject *Sender) {
UINT_PTR uDeviceID = 0; // id устройства аудио ввода
WAVEINCAPS wic;
UINT cbwic = sizeof(wic);
if (waveInGetDevCaps(uDeviceID, &wic, cbwic) == MMSYSERR_NOERROR) {
Memo1->Lines->Add("MMSYSERR_NOERROR");
Memo1->Lines->Add("Manufacturer identifier = " + IntToStr((int)wic.wMid));
Memo1->Lines->Add("Product identifier = " + IntToStr((int)wic.wPid));
Memo1->Lines->Add("Version number of the device driver = " +
IntToStr((int)wic.vDriverVersion));
Memo1->Lines->Add("Standard formats that are supported:");
if (WAVE_FORMAT_1M08 &wic.dwFormats)
Memo1->Lines->Add(" 11.025 kHz, mono, 8-bit");
if (WAVE_FORMAT_1M16 &wic.dwFormats)
Memo1->Lines->Add(" 11.025 kHz, mono, 16-bit");
if (WAVE_FORMAT_1S08 &wic.dwFormats)
Memo1->Lines->Add(" 11.025 kHz, stereo, 8-bit");
if (WAVE_FORMAT_1S16 &wic.dwFormats)
Memo1->Lines->Add(" 11.025 kHz, stereo, 16-bit");
Memo1->Lines->Add(UnicodeString(wic.szPname));
Memo1->Lines->Add("Supports mono (1) or stereo (2) input = " +
IntToStr((int)(wic.wChannels)));
Memo1->Lines->Add("Padding = " + IntToStr((int)(wic.wReserved1)));
}
Memo1->Lines->Add("--------------------------------------------");
}
//---------------------------------------------------------------------------
void __fastcall TForm1::ButtonwaveInOpenClick(TObject *Sender) {
UINT uDeviceID = 0; // ID открываемого устройства или WAVE_MAPPER - автовыбор
// DWORD_PTR dwCallback = 0; // указатель на функцию обратного вызова
// DWORD_PTR dwCallbackInstance = 0;
// DWORD fdwOpen = CALLBACK_NULL;
// заполняем структуру WAVEFORMATEX
pwfx.wFormatTag = WAVE_FORMAT_PCM; // способ сжатия
pwfx.nChannels = 1; // моно
pwfx.nSamplesPerSec = 44100; // частота дискретизации ГЦ
pwfx.nAvgBytesPerSec = 88200; // nSamplesPerSec * nBlockAlign
pwfx.nBlockAlign = 2; // nChannels * wBitsPerSample/8
pwfx.wBitsPerSample = 16; // дескретизация
pwfx.cbSize = 0; // Размер, в байтах, дополнительной информации о формате
if (MMSYSERR_NOERROR == waveInOpen(&phwi, uDeviceID, &pwfx,
(DWORD_PTR)waveInProc, (DWORD_PTR)this, CALLBACK_FUNCTION)) {
Memo1->Lines->Add("Wave In Open is OK");
Memo1->Lines->Add("Handle to the audio input device = " +
IntToStr((int)(phwi)));
} else {
Memo1->Lines->Add("Wave In Open is ERROR");
}
Memo1->Lines->Add("--------------------------------------------");
}
//---------------------------------------------------------------------------
void __fastcall TForm1::ButtonwaveInPrepareHeaderClick(TObject *Sender) {
// Готовим буферы для данных
if (!pwhbuf) {
pwhbuf = new WAVEHDR[WN_NUMBUF];
for (int i = 0; i < WN_NUMBUF; i++) {
memset(&pwhbuf[i], 0, sizeof(pwhbuf[i]));
pwhbuf[i].lpData = new char[pwfx.nAvgBytesPerSec * 1]; // Запишем 1 сек.
pwhbuf[i].dwBufferLength = pwfx.nAvgBytesPerSec * 1;
pwhbuf[i].dwBytesRecorded = 0;
if (!i)
pwhbuf[i].dwUser = 1;
else
pwhbuf[i].dwUser = 0;
pwhbuf[i].dwFlags = 0;
pwhbuf[i].dwLoops = 0;
}
}
Memo1->Lines->Add("--------------------------------------------");
}
//---------------------------------------------------------------------------
void __fastcall TForm1::ButtonwaveInAddBufferClick(TObject *Sender) {
if (MMSYSERR_NOERROR == waveInAddBuffer(phwi, &pwhbuf[0], sizeof(pwhbuf[0])))
{
Memo1->Lines->Add("Is successful add Buffer");
} else {
Memo1->Lines->Add("Is error add Buffer");
}
Memo1->Lines->Add("--------------------------------------------");
}
//---------------------------------------------------------------------------
void __fastcall TForm1::ButtonwaveInStartClick(TObject *Sender) {
// готовим буфер к записи
if (MMSYSERR_NOERROR == waveInPrepareHeader(phwi, &pwhbuf[i],
sizeof(pwhbuf[i]))) {
Memo1->Lines->Add("Is successful waveInPrepareHeader");
} else {
Memo1->Lines->Add("Is error waveInPrepareHeader");
}
if (MMSYSERR_NOERROR == waveInStart(phwi)) {
Memo1->Lines->Add("Start save ok");
} else {
Memo1->Lines->Add("Start save error");
}
Memo1->Lines->Add("--------------------------------------------");
}
//---------------------------------------------------------------------------
void __fastcall TForm1::ButtonwaveInStopClick(TObject *Sender) {
waveInReset(phwi);
waveInStop(phwi);
waveInUnprepareHeader(phwi, &pwhbuf[0], sizeof(pwhbuf[0]));
waveInClose(phwi);
}
//---------------------------------------------------------------------------
void __fastcall TForm1::ButtonVisioClick(TObject *Sender) {
for (int i = 0; i < 1024; i = i + 2) {
Memo1->Lines->Add
(IntToStr((int)(pwhbuf[0].lpData[i + 1] *256 + pwhbuf[0].lpData[i])));
}
}
//---------------------------------------------------------------------------
void __fastcall TForm1::ButtonPlaySoundClick(TObject *Sender) {
if (MMSYSERR_NOERROR == waveOutOpen(&phwo, WAVE_MAPPER, &pwfx,
(DWORD)Form1->Handle, 0, CALLBACK_WINDOW)) {
Memo1->Lines->Add("waveOutOpen ok");
} else {
Memo1->Lines->Add("waveOutOpen error");
}
pwhbuf[0].lpData = (LPSTR)realloc(pwhbuf[0].lpData,
pwhbuf[0].dwBytesRecorded);
pwhbuf[0].dwBufferLength = pwhbuf[0].dwBytesRecorded;
Memo1->Lines->Add("Bytes Recorded = " +
IntToStr((int)pwhbuf[0].dwBufferLength));
waveOutPrepareHeader(phwo, &pwhbuf[0], sizeof(pwhbuf[0]));
waveOutWrite(phwo, &pwhbuf[0], sizeof(pwhbuf[0]));
waveOutClose(phwo);
Memo1->Lines->Add("--------------------------------------------");
}
//---------------------------------------------------------------------------
void __fastcall TForm1::AudioInData(TMessage &msg) {ShowMessage("AudioInData");
}
//---------------------------------------------------------------------------
void __fastcall TForm1::AudioInOpen(TMessage &msg) {ShowMessage("AudioInOpen");
}
//---------------------------------------------------------------------------
void __fastcall TForm1::AudioInClose(TMessage &msg) {
ShowMessage("AudioInClose"); }
//---------------------------------------------------------------------------
// функция обратного вызова waveInOpen
void CALLBACK waveInProc(HWAVEIN hwi, UINT uMsg, DWORD_PTR dwInstance,
DWORD_PTR dwParam1, DWORD_PTR dwParam2) {
if (uMsg == WIM_DATA) {
// здесь смена буфера
// ...
PostMessage(Form1->Handle, WM_WIM_DATA, 0, 0);
}
if (uMsg == WIM_OPEN) {
PostMessage(Form1->Handle, WM_WIM_OPEN, 0, 0);
}
if (uMsg == WIM_CLOSE) {
PostMessage(Form1->Handle, WM_WIM_CLOSE, 0, 0);
}
}
//---------------------------------------------------------------------------
void __fastcall TForm1::FormCreate(TObject *Sender) {pwhbuf = 0; }
//---------------------------------------------------------------------------
void __fastcall TForm1::FormClose(TObject *Sender, TCloseAction &Action) {
// чистим память
if (pwhbuf) {
// если буферы созданы
for (int i = 0; i < WN_NUMBUF; i++) {
delete[]pwhbuf[i].lpData;
pwhbuf[i].lpData = 0;
}
delete[]pwhbuf;
pwhbuf = 0;
}
}
//--------------------------------------------------------------------------- |