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reactos/drivers/wdm/audio/backpln/audio_test/audio_test.c

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#define _UNICODE
#define UNICODE
#define WIN32_NO_STATUS
#define _KSDDK_
#include <windows.h>
#include <stdio.h>
#include <math.h>
#include <setupapi.h>
#include <ndk/umtypes.h>
#include <ks.h>
#include <ksmedia.h>
#include "interface.h"
#define _2pi 6.283185307179586476925286766559
GUID CategoryGuid = {STATIC_KSCATEGORY_AUDIO};
const GUID KSPROPSETID_Pin = {0x8C134960L, 0x51AD, 0x11CF, {0x87, 0x8A, 0x94, 0xF8, 0x01, 0xC1, 0x00, 0x00}};
const GUID KSPROPSETID_Connection = {0x1D58C920L, 0xAC9B, 0x11CF, {0xA5, 0xD6, 0x28, 0xDB, 0x04, 0xC1, 0x00, 0x00}};
const GUID KSPROPSETID_Sysaudio = {0xCBE3FAA0L, 0xCC75, 0x11D0, {0xB4, 0x65, 0x00, 0x00, 0x1A, 0x18, 0x18, 0xE6}};
const GUID KSPROPSETID_General = {0x1464EDA5L, 0x6A8F, 0x11D1, {0x9A, 0xA7, 0x00, 0xA0, 0xC9, 0x22, 0x31, 0x96}};
const GUID KSINTERFACESETID_Standard = {0x1A8766A0L, 0x62CE, 0x11CF, {0xA5, 0xD6, 0x28, 0xDB, 0x04, 0xC1, 0x00, 0x00}};
const GUID KSMEDIUMSETID_Standard = {0x4747B320L, 0x62CE, 0x11CF, {0xA5, 0xD6, 0x28, 0xDB, 0x04, 0xC1, 0x00, 0x00}};
const GUID KSDATAFORMAT_TYPE_AUDIO = {0x73647561L, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
const GUID KSDATAFORMAT_SUBTYPE_PCM = {0x00000001L, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
const GUID KSDATAFORMAT_SPECIFIER_WAVEFORMATEX = {0x05589f81L, 0xc356, 0x11ce, {0xbf, 0x01, 0x00, 0xaa, 0x00, 0x55, 0x59, 0x5a}};
VOID
TestKs()
{
SP_DEVICE_INTERFACE_DATA InterfaceData;
SP_DEVINFO_DATA DeviceData;
PSP_DEVICE_INTERFACE_DETAIL_DATA DetailData;
HDEVINFO DeviceHandle;
PKSDATAFORMAT_WAVEFORMATEX DataFormat;
PKSPIN_CONNECT PinConnect;
PKSSTREAM_HEADER Packet;
PKSPROPERTY Property;
KSSTATE State;
DWORD Length;
HANDLE FilterHandle;
HANDLE PinHandle;
PSHORT SoundBuffer;
UINT i = 0;
BOOL Result;
NTSTATUS Status;
//
// Get a handle to KS Audio Interfaces
//
DeviceHandle = SetupDiGetClassDevs(&CategoryGuid,
NULL,
NULL,
DIGCF_DEVICEINTERFACE); //DIGCF_PRESENT
printf("DeviceHandle %p\n", DeviceHandle);
//
// Enumerate the first interface
//
InterfaceData.cbSize = sizeof(InterfaceData);
InterfaceData.Reserved = 0;
Result = SetupDiEnumDeviceInterfaces(DeviceHandle,
NULL,
&CategoryGuid,
1,
&InterfaceData);
printf("SetupDiEnumDeviceInterfaces %u Error %ld\n", Result, GetLastError());
//
// Get the interface details (namely the device path)
//
Length = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA) + MAX_PATH * sizeof(WCHAR);
DetailData = (PSP_DEVICE_INTERFACE_DETAIL_DATA)HeapAlloc(GetProcessHeap(),
0,
Length);
DetailData->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA);
DeviceData.cbSize = sizeof(DeviceData);
DeviceData.Reserved = 0;
Result = SetupDiGetDeviceInterfaceDetail(DeviceHandle,
&InterfaceData,
DetailData,
Length,
NULL,
&DeviceData);
wprintf(L"SetupDiGetDeviceInterfaceDetail %u Path DetailData %s\n", Result, (LPWSTR)&DetailData->DevicePath[0]);
//
// Open a handle to the device
//
FilterHandle = CreateFile(DetailData->DevicePath,
GENERIC_READ | GENERIC_WRITE,
0,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
NULL);
printf("Handle %p\n", FilterHandle);
//
// Close the interface handle and clean up
//
SetupDiDestroyDeviceInfoList(DeviceHandle);
//
// Allocate a KS Pin Connection Request Structure
//
Length = sizeof(KSPIN_CONNECT) + sizeof(KSDATAFORMAT_WAVEFORMATEX);
printf("Length %ld KSPIN %u DATAFORMAT %u\n", Length, sizeof(KSPIN_CONNECT), sizeof(KSDATAFORMAT_WAVEFORMATEX));
PinConnect = (PKSPIN_CONNECT)HeapAlloc(GetProcessHeap(), 0, Length);
DataFormat = (PKSDATAFORMAT_WAVEFORMATEX)(PinConnect + 1);
//
// Setup the KS Pin Data
//
PinConnect->Interface.Set = KSINTERFACESETID_Standard;
PinConnect->Interface.Id = KSINTERFACE_STANDARD_STREAMING;
PinConnect->Interface.Flags = 0;
PinConnect->Medium.Set = KSMEDIUMSETID_Standard;
PinConnect->Medium.Id = KSMEDIUM_TYPE_ANYINSTANCE;
PinConnect->Medium.Flags = 0;
PinConnect->PinId = 0;
PinConnect->PinToHandle = NULL;
PinConnect->Priority.PriorityClass = KSPRIORITY_NORMAL;
PinConnect->Priority.PrioritySubClass = 1;
//
// Setup the KS Data Format Information
//
DataFormat->WaveFormatEx.wFormatTag = WAVE_FORMAT_PCM;
DataFormat->WaveFormatEx.nChannels = 2;
DataFormat->WaveFormatEx.nSamplesPerSec = 48000;
DataFormat->WaveFormatEx.nBlockAlign = 4;
DataFormat->WaveFormatEx.nAvgBytesPerSec = 48000 * 4;
DataFormat->WaveFormatEx.wBitsPerSample = 16;
DataFormat->WaveFormatEx.cbSize = 0;
DataFormat->DataFormat.FormatSize = sizeof(KSDATAFORMAT) +
sizeof(WAVEFORMATEX);
DataFormat->DataFormat.Flags = KSDATAFORMAT_ATTRIBUTES;
DataFormat->DataFormat.Reserved = 0;
DataFormat->DataFormat.MajorFormat = KSDATAFORMAT_TYPE_AUDIO;
DataFormat->DataFormat.SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
DataFormat->DataFormat.Specifier = KSDATAFORMAT_SPECIFIER_WAVEFORMATEX;
DataFormat->DataFormat.SampleSize = 4;
//
// Create the pin
//
Status = KsCreatePin(FilterHandle, PinConnect, GENERIC_WRITE, &PinHandle);
printf("PinHandle %p Status %lx\n", PinHandle, Status);
//
// Allocate a buffer for 1 second
//
Length = 48000 * 4;
SoundBuffer = (PSHORT)HeapAlloc(GetProcessHeap(), 0, Length);
//
// Fill the buffer with a 500 Hz sine tone
//
while (i < Length / 2)
{
//
// Generate the wave for each channel:
// Amplitude * sin( Sample * Frequency * 2PI / SamplesPerSecond )
//
SoundBuffer[i] = 0x7FFF * sin(0.5 * (i - 1) * 500 * _2pi / 48000);
i++;
SoundBuffer[i] = 0x7FFF * sin((0.5 * i - 2) * 500 * _2pi / 48000);
i++;
}
//
// Create and fill out the KS Stream Packet
//
Packet = (PKSSTREAM_HEADER)HeapAlloc(GetProcessHeap(),
HEAP_ZERO_MEMORY,
sizeof(KSSTREAM_HEADER));
Packet->Data = SoundBuffer;
Packet->FrameExtent = Length;
Packet->DataUsed = Length;
Packet->Size = sizeof(KSSTREAM_HEADER);
Packet->PresentationTime.Numerator = 1;
Packet->PresentationTime.Denominator = 1;
//
// Setup a KS Property to change the state
//
Property = (PKSPROPERTY)HeapAlloc(GetProcessHeap(), 0, sizeof(KSPROPERTY));
Property->Set = KSPROPSETID_Connection;
Property->Id = KSPROPERTY_CONNECTION_STATE;
Property->Flags = KSPROPERTY_TYPE_SET;
//
// Change the state to run
//
State = KSSTATE_RUN;
DeviceIoControl(PinHandle,
IOCTL_KS_PROPERTY,
Property,
sizeof(KSPROPERTY),
&State,
sizeof(State),
&Length,
NULL);
//
// Play our 1-second buffer
//
DeviceIoControl(PinHandle,
IOCTL_KS_WRITE_STREAM,
NULL,
0,
Packet,
Packet->Size,
&Length,
NULL);
//
// Change the state to stop
//
State = KSSTATE_STOP;
DeviceIoControl(PinHandle,
IOCTL_KS_PROPERTY,
Property,
sizeof(KSPROPERTY),
&State,
sizeof(State),
&Length,
NULL);
CloseHandle(PinHandle);
CloseHandle(FilterHandle);
}
int
__cdecl
main(int argc, char* argv[])
{
ULONG Length;
PSHORT SoundBuffer;
ULONG i = 0;
BOOL Status;
OVERLAPPED Overlapped;
DWORD BytesReturned;
HANDLE hWdmAud;
WDMAUD_DEVICE_INFO DeviceInfo;
TestKs();
return 0;
hWdmAud = CreateFileW(L"\\\\.\\wdmaud",
GENERIC_READ | GENERIC_WRITE,
0,
NULL,
OPEN_EXISTING,
FILE_FLAG_OVERLAPPED,
NULL);
if (!hWdmAud)
{
printf("Failed to open wdmaud with %lx\n", GetLastError());
return -1;
}
printf("WDMAUD: opened\n");
/* clear device info */
RtlZeroMemory(&DeviceInfo, sizeof(WDMAUD_DEVICE_INFO));
ZeroMemory(&Overlapped, sizeof(OVERLAPPED));
Overlapped.hEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
DeviceInfo.DeviceType = WAVE_OUT_DEVICE_TYPE;
Status = DeviceIoControl(hWdmAud, IOCTL_GETNUMDEVS_TYPE, (LPVOID)&DeviceInfo, sizeof(WDMAUD_DEVICE_INFO), (LPVOID)&DeviceInfo, sizeof(WDMAUD_DEVICE_INFO), &BytesReturned, &Overlapped);
if (!Status)
{
if (WaitForSingleObject(&Overlapped.hEvent, 5000) != WAIT_OBJECT_0)
{
printf("Failed to get num of wave out devices with %lx\n", GetLastError());
CloseHandle(hWdmAud);
return -1;
}
}
printf("WDMAUD: Num Devices %lu\n", DeviceInfo.DeviceCount);
if (!DeviceInfo.DeviceCount)
{
CloseHandle(hWdmAud);
return 0;
}
Status = DeviceIoControl(hWdmAud, IOCTL_GETCAPABILITIES, (LPVOID)&DeviceInfo, sizeof(WDMAUD_DEVICE_INFO), (LPVOID)&DeviceInfo, sizeof(WDMAUD_DEVICE_INFO), &BytesReturned, &Overlapped);
if (!Status)
{
if (WaitForSingleObject(&Overlapped.hEvent, 5000) != WAIT_OBJECT_0)
{
printf("Failed to get iocaps %lx\n", GetLastError());
}
}
printf("WDMAUD: Capabilities NumChannels %x dwFormats %lx\n", DeviceInfo.u.WaveOutCaps.wChannels, DeviceInfo.u.WaveOutCaps.dwFormats);
DeviceInfo.u.WaveFormatEx.cbSize = sizeof(WAVEFORMATEX);
DeviceInfo.u.WaveFormatEx.wFormatTag = WAVE_FORMAT_PCM;
DeviceInfo.u.WaveFormatEx.nChannels = 2;
DeviceInfo.u.WaveFormatEx.nSamplesPerSec = 48000;
DeviceInfo.u.WaveFormatEx.nBlockAlign = 4;
DeviceInfo.u.WaveFormatEx.nAvgBytesPerSec = 48000 * 4;
DeviceInfo.u.WaveFormatEx.wBitsPerSample = 16;
Status = DeviceIoControl(hWdmAud, IOCTL_OPEN_WDMAUD, (LPVOID)&DeviceInfo, sizeof(WDMAUD_DEVICE_INFO), &DeviceInfo, sizeof(WDMAUD_DEVICE_INFO), &BytesReturned, &Overlapped);
if (!Status)
{
if (WaitForSingleObject(&Overlapped.hEvent, 5000) != WAIT_OBJECT_0)
{
printf("Failed to open device with %lx\n", GetLastError());
CloseHandle(hWdmAud);
return -1;
}
}
printf("WDMAUD: opened device\n");
//
// Allocate a buffer for 1 second
//
Length = 48000 * 4;
SoundBuffer = (PSHORT)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, Length);
//
// Fill the buffer with a 500 Hz sine tone
//
while (i < Length / 2)
{
//
// Generate the wave for each channel:
// Amplitude * sin( Sample * Frequency * 2PI / SamplesPerSecond )
//
SoundBuffer[i] = 0x7FFF * sin(0.5 * (i - 1) * 500 * _2pi / 48000);
i++;
SoundBuffer[i] = 0x7FFF * sin((0.5 * i - 2) * 500 * _2pi / 48000);
i++;
}
DeviceInfo.u.State = KSSTATE_RUN;
Status = DeviceIoControl(hWdmAud, IOCTL_SETDEVICE_STATE, (LPVOID)&DeviceInfo, sizeof(WDMAUD_DEVICE_INFO), &DeviceInfo, sizeof(WDMAUD_DEVICE_INFO), &BytesReturned, &Overlapped);
if (!Status)
{
if (WaitForSingleObject(&Overlapped.hEvent, 5000) != WAIT_OBJECT_0)
{
printf("Failed to set device into run state %lx\n", GetLastError());
CloseHandle(hWdmAud);
return -1;
}
}
//
// Play our 1-second buffer
//
DeviceInfo.Header.Data = (PUCHAR)SoundBuffer;
DeviceInfo.Header.DataUsed = DeviceInfo.Header.FrameExtent = Length;
Status = DeviceIoControl(hWdmAud, IOCTL_WRITEDATA, (LPVOID)&DeviceInfo, sizeof(WDMAUD_DEVICE_INFO), &DeviceInfo, sizeof(WDMAUD_DEVICE_INFO), &BytesReturned, &Overlapped);
if (!Status)
{
if (WaitForSingleObject(&Overlapped.hEvent, 5000) != WAIT_OBJECT_0)
{
printf("Failed to play buffer %lx\n", GetLastError());
CloseHandle(hWdmAud);
return -1;
}
}
printf("WDMAUD: Played buffer\n");
DeviceInfo.u.State = KSSTATE_STOP;
Status = DeviceIoControl(hWdmAud, IOCTL_SETDEVICE_STATE, (LPVOID)&DeviceInfo, sizeof(WDMAUD_DEVICE_INFO), &DeviceInfo, sizeof(WDMAUD_DEVICE_INFO), &BytesReturned, &Overlapped);
if (!Status)
{
if (WaitForSingleObject(&Overlapped.hEvent, 5000) != WAIT_OBJECT_0)
{
printf("Failed to set device into stop state %lx\n", GetLastError());
CloseHandle(hWdmAud);
return -1;
}
}
printf("WDMAUD: STOPPED\n");
CloseHandle(&Overlapped.hEvent);
CloseHandle(hWdmAud);
printf("WDMAUD: COMPLETE\n");
return 0;
}
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