/
sqWin32Sound.c
executable file
·1466 lines (1294 loc) · 47 KB
/
sqWin32Sound.c
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/****************************************************************************
* PROJECT: Squeak port for Win32 (NT / Win95)
* FILE: sqWin32Sound.c
* CONTENT: Sound management
*
* AUTHOR: Andreas Raab (ar)
* ADDRESS: University of Magdeburg, Germany
* EMAIL: raab@isg.cs.uni-magdeburg.de
* RCSID: $Id: sqWin32Sound.c 786 2003-11-02 19:52:40Z andreasraab $
*
* NOTES: For now we're supporting both, the DirectSound and the win32
* based interface. In the future we'll switch to DSound exclusively.
*
* MODIFIED:
* HRS = howard.stearns@qwaq.com October 24, 2008
* device iteration and selection, and record level
*
* TO-DO:
*
*****************************************************************************/
#ifndef _CRT_SECURE_NO_WARNINGS
# define _CRT_SECURE_NO_WARNINGS /* eliminates msvc warnings for strcpy, fopen, etc. */
#endif
#include <tchar.h>
#include <Windows.h>
#include <ShlObj.h> /* to use SHGetFolderPath to get preference directory. */
#include <mmsystem.h>
#include "sq.h"
#include "sqWin32.h"
#include "SoundPlugin.h"
#include "sqWin32SoundDeviceSelection.h"
#include "sqDSoundClassFactory.h"
#ifndef SQUEAK_BUILTIN_PLUGIN
/* This function is defined in the core VM, but since we're a standalone plugin,
we need to define it ourselves. */
void printLastError(TCHAR *prefix)
{ LPVOID lpMsgBuf;
DWORD lastError;
lastError = GetLastError();
FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, GetLastError(), MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPTSTR) &lpMsgBuf, 0, NULL );
warnPrintfT(TEXT("%s (%lu) -- %s\n"), prefix, lastError, (char *)lpMsgBuf);
LocalFree( lpMsgBuf );
}
#endif
extern struct VirtualMachine *interpreterProxy;
#include "sqWin32DPRINTF.h"
#define XPRINT(x) /* nuthin' */
#if ENABLE_AEC
int AEC_SUPPORTED = 0; // Is AEC supported on this platform.
int AEC_ENABLED = 1;
#else
# define AEC_SUPPORTED 0
# define AEC_ENABLED 0
# define aec_soundInit() 0
# define aec_soundShutdown() 0
# define aec_snd_StartRecording(sps, str, six) 0
# define aec_snd_StopRecording(i) 0
# define aec_snd_GetRecordingSampleRate() 0
# define aec_snd_RecordSamplesIntoAtLength(b, ssi, bsz) 0
#endif
#ifndef NO_SOUND
/***************************************************************************/
/***************************************************************************/
/***************************************************************************/
/***************************************************************************/
/* The new DirectSound based implementation of the sound primitives */
#define _LPCWAVEFORMATEX_DEFINED
#include <dsound.h>
#define mmFAILED(mm) ((mm) != MMSYSERR_NOERROR)
static HWND *theSTWindow = NULL; /* a reference to Squeak's main window */
static HANDLE hPlayEvent = NULL;
static HANDLE hPlayThread = NULL;
static HANDLE hRecEvent = NULL;
static HANDLE hRecThread = NULL;
static LPDIRECTSOUND lpdSound = NULL;
static LPDIRECTSOUNDBUFFER lpdPrimaryBuffer = NULL;
static LPDIRECTSOUNDBUFFER lpdPlayBuffer = NULL;
static WAVEFORMATEX waveOutFormat;
static int playBufferSize = 0;
static int playBufferIndex = 0;
static int playBufferAvailable = 0;
static int playTerminate = 0;
static int playSemaphore = -1;
#define RELEASE_SOUND_CAPTURE_STATE_ON_STOP_RECORDING 0
static LPDIRECTSOUNDCAPTURE lpdCapture = NULL;
static LPDIRECTSOUNDCAPTUREBUFFER lpdRecBuffer = NULL;
static int isRecording = 0;
static DWORD recSampleRate;
static int recIsStereo;
static WAVEFORMATEX waveInFormat;
static int recBufferFrameCount = 640;
/* For 16kHz 16-bit mono sound,this is 1280msecs */
static const int totalRecBufferSize = 40960;
static int recBufferSize = 0;
static int recBufferReadPosition = 0;
static int recBufferWritePosition = 0;
static int recBufferAvailable = 0;
static int recTerminate = 0;
static int recSemaphore = -1;
/*******************************************************************************/
/* Default devices: Windows does not provide an API for this. 11/10/08 HRS ... */
/*******************************************************************************/
static FILE *deviceLogFile = NULL;
DeviceInfoList playerDevices;
DeviceInfoList recorderDevices;
static int myDeviceChangeCount = 0;
static char GUIDString[128];
static char *
printGUID(LPGUID p)
{
if (!p) return "";
sprintf(GUIDString, "{%lx, %x, %x, %x %x %x %x %x %x %x %x}@%p",
p->Data1, p->Data2, p->Data3, p->Data4[0], p->Data4[1], p->Data4[2], p->Data4[3],
p->Data4[4], p->Data4[5], p->Data4[6], p->Data4[7], p);
return GUIDString;
}
static void
setDeviceName(DeviceInfo* device, LPCTSTR lpszDesc)
{
/* Free existing name string, if any. */
if (device->name) {
free(device->name);
device->name = NULL;
}
/* Support setting the string to NULL. */
if (sizeof(lpszDesc[0]) == 1) {
if (lpszDesc) {
device->name = _strdup((char *)lpszDesc);
if (!device->name)
DPRINTF(("ERROR: setDeviceName() cannot allocate space for name\n"));
}
}
else if (lpszDesc) {
int sz, n = wcslen(lpszDesc);
if (!n)
return;
device->name = malloc((n + 1) * 4);
if (!device->name) {
DPRINTF(("ERROR: setDeviceName() cannot allocate space for name\n"));
return;
}
sz = WideCharToMultiByte(CP_UTF8, 0,
lpszDesc, n, device->name,
(n + 1) * 4, NULL, NULL);
if (sz != n)
DPRINTF(("ERROR: setDeviceName WideCharToMultiByte converted unexpected number of characters\n"));
/* remember to null terminate the string */
device->name[min(sz,(n + 1) * 4 - 1)] = 0;
}
}
static void
duplicateDeviceName(DeviceInfo* device, char *lpszDesc)
{
/* Free existing name string, if any. */
if (device->name) {
free(device->name);
device->name = NULL;
}
/* Support setting the string to NULL. */
if (lpszDesc) {
device->name = _strdup(lpszDesc);
if (!device->name)
DPRINTF(("ERROR: duplicateDeviceName() cannot allocate space for name\n"));
}
}
static void
setDeviceGUID(DeviceInfo* device, LPGUID lpGUID)
{
/* Free existing GUID, if any. */
if (device->guid) {
free(device->guid);
device->guid = NULL;
}
/* Support setting the GUID-ptr to NULL. */
if (!lpGUID)
return;
/* Instantiate a new GUID, and copy the old one into it. */
device->guid = malloc(sizeof(GUID));
if (!device->guid) {
/* XXXXX: Not sure what implications this would have, nor how to handle it properly. */
DPRINTF(("ERROR: setDeviceGUID() cannot allocate space for GUID\n"));
return;
}
memcpy(device->guid, lpGUID, sizeof(GUID));
}
static void
clearDeviceInfo(DeviceInfo* device)
{
setDeviceName(device, NULL);
setDeviceGUID(device, NULL);
device->mmID = -1;
}
static void
initializeDeviceInfoList(DeviceInfoList* list)
{
int i;
list->deviceCount = list->enumerationCounter = 0;
list->changed = FALSE;
/* Just pick one... we'll explicitly assign one anyhow. */
list->dataflow = DIRECTSOUNDDEVICE_DATAFLOW_RENDER;
for (i=0; i < DEVICE_MAX; i++) {
memset(&(list->devices[i]), 0, sizeof(DeviceInfo));
list->devices[i].mmID = -1;
}
memset(&(list->defaultDevice), 0, sizeof(DeviceInfo));
list->defaultDevice.mmID = -1;
}
static void
shutdownDeviceInfoList(DeviceInfoList* list)
{
int i;
for (i=0; i < DEVICE_MAX; i++)
clearDeviceInfo(&list->devices[i]);
clearDeviceInfo(&list->defaultDevice);
}
/* Enumerator for use with DirectSound(Capture)Enumerate(). */
/* UINT deviceCounter;
BOOL changed;
UINT deviceCount;
char **deviceNames;
UINT *deviceIDs;
LPGUID *deviceGUIDs;
GUID *deviceGUIDBuffers;
UINT win32deviceCount;
char **win32deviceNames;
*/
static BOOL CALLBACK
deviceEnumerationCallback(LPGUID lpGUID, LPCTSTR lpszDesc, LPCTSTR lpszDrvName, LPVOID lpContext)
{
DeviceInfoList* deviceList = (DeviceInfoList*)lpContext;
DeviceInfo* device;
UINT index = deviceList->enumerationCounter;
HRESULT hr;
/* We can't handle any more devices. */
if (index > DEVICE_MAX)
return FALSE;
/* No matter what happens from here on, we've "added" a device to the list. */
deviceList->enumerationCounter++;
/* Get the most-recent device-info at the current index. */
device = &(deviceList->devices[index]);
if (!device->guid && !lpGUID) {
/* A NULL guid in our info can mean one of two things... either the DeviceInfo
represents the default device, or it is uninitialized. We disambiguate by
testing the name... it will be either NULL or something like "Primary Device" */
if (!device->name) {
setDeviceName(device, lpszDesc);
device->mmID = -1;
deviceList->changed = TRUE;
}
return TRUE;
}
else if (device->guid && IsEqualGUID(device->guid, lpGUID))
/* Same device, in the same position. We're done. */
return TRUE;
/* The device at the current index didn't match, so we know the list has changed. */
deviceList->changed = TRUE;
/* Set device properties. */
setDeviceName(device, lpszDesc);
setDeviceGUID(device, lpGUID);
/* For some reason, GetWaveDeviceIDFromGUID only works for playback devices.
Use workaround to obtain the ID from the device name */
/* hr = GetWaveDeviceIDFromGUID(lpGUID, deviceList->dataflow, &(device->mmID)); */
hr = GetWaveDeviceIDFromName(lpszDesc, &(device->mmID));
if (FAILED(hr)) {
DPRINTF(("ERROR: failed to obtain waveID from GUID: %s\n", printGUID(lpGUID)));
}
else {
DPRINTF(("NEW DEVICE: %ld NAME: %s GUID: %s\n", device->mmID, device->name, printGUID(lpGUID)));
}
return TRUE;
}
/* There are a few places where we ask for line info for, e.g., a speaker, but we would also accept headphones, digital, etc. */
/* Side-effects pmxl->dwComponentType */
static MMRESULT
flexMixerGetLineInfo(HMIXEROBJ hmxobj, LPMIXERLINE pmxl)
{
MMRESULT mmResult = mixerGetLineInfo(hmxobj, pmxl, MIXER_OBJECTF_MIXER + MIXER_GETLINEINFOF_COMPONENTTYPE);
if (mmResult != MIXERR_INVALLINE)
return mmResult;
/* Output devices */
if (pmxl->dwComponentType == MIXERLINE_COMPONENTTYPE_DST_SPEAKERS)
pmxl->dwComponentType = MIXERLINE_COMPONENTTYPE_DST_HEADPHONES;
else if (pmxl->dwComponentType == MIXERLINE_COMPONENTTYPE_DST_HEADPHONES)
pmxl->dwComponentType = MIXERLINE_COMPONENTTYPE_DST_MONITOR;
else if (pmxl->dwComponentType == MIXERLINE_COMPONENTTYPE_DST_MONITOR)
pmxl->dwComponentType = MIXERLINE_COMPONENTTYPE_DST_DIGITAL;
/* Input devices */
else if (pmxl->dwComponentType == MIXERLINE_COMPONENTTYPE_DST_WAVEIN)
pmxl->dwComponentType = MIXERLINE_COMPONENTTYPE_DST_LINE;
else if (pmxl->dwComponentType == MIXERLINE_COMPONENTTYPE_DST_LINE)
pmxl->dwComponentType = MIXERLINE_COMPONENTTYPE_DST_VOICEIN;
else
return mmResult;
/* Now try again. */
return flexMixerGetLineInfo(hmxobj, pmxl);
}
sqInt
getNumberOfSoundPlayerDevices()
{
UINT counter;
HRESULT hr;
playerDevices.changed = false;
playerDevices.enumerationCounter = 0;
hr = DirectSoundEnumerate((LPDSENUMCALLBACK)deviceEnumerationCallback, (VOID*)&playerDevices);
if (FAILED(hr)) {
DSPRINTF(("player enumeration failed\n"));
return 0;
}
DVSPRINTF(("player enumeration complete\n"));
for (counter=playerDevices.enumerationCounter; counter < playerDevices.deviceCount; counter++) { /* Free excess if the there are now fewer devices. */
DeviceInfo* device = &(playerDevices.devices[counter]);
DSPRINTF(("player changed in post-enumeration\n"));
playerDevices.changed = true;
clearDeviceInfo(device);
DSPRINTF((" free %d\n", counter));
}
playerDevices.deviceCount = playerDevices.enumerationCounter;
if (playerDevices.changed) {
char* deviceName = playerDevices.defaultDevice.name;
if (!deviceName) deviceName = "NULL";
DSPRINTF(("player devices changed... setting default device: %s\n", deviceName));
setDefaultSoundPlayer(deviceName);
}
if (recorderDevices.changed) {
char* deviceName = recorderDevices.defaultDevice.name;
if (!deviceName) deviceName = "NULL";
DMPRINTF(("recorder devices changed... setting default device: %s\n", deviceName));
setDefaultSoundRecorder(deviceName);
}
return playerDevices.deviceCount;
}
sqInt
getNumberOfSoundRecorderDevices()
{
UINT counter;
HRESULT hr;
recorderDevices.changed = false;
recorderDevices.enumerationCounter = 0;
hr = DirectSoundCaptureEnumerate((LPDSENUMCALLBACK)deviceEnumerationCallback, (VOID*)&recorderDevices);
if (FAILED(hr)) {
DMPRINTF(("recorder enumeration failed\n"));
return 0;
}
DVMPRINTF(("recorder enumeration complete\n"));
for (counter=recorderDevices.enumerationCounter; counter < recorderDevices.deviceCount; counter++) { /* Free excess if the there are now fewer devices. */
DeviceInfo* device = &(recorderDevices.devices[counter]);
recorderDevices.changed = true;
clearDeviceInfo(device);
DMPRINTF((" free %d\n", counter));
}
recorderDevices.deviceCount = recorderDevices.enumerationCounter;
if (playerDevices.changed) {
char* deviceName = playerDevices.defaultDevice.name;
if (!deviceName) deviceName = "NULL";
DSPRINTF(("player devices changed... setting default device: %s\n", deviceName));
setDefaultSoundPlayer(deviceName);
}
if (recorderDevices.changed) {
char* deviceName = recorderDevices.defaultDevice.name;
if (!deviceName) deviceName = "NULL";
DMPRINTF(("recorder devices changed... setting default device: %s\n", deviceName));
setDefaultSoundRecorder(deviceName);
}
return recorderDevices.deviceCount;
}
static inline void
ensureUpToDateDevices()
{
if (!playerDevices.deviceCount
|| myDeviceChangeCount < deviceChangeCount)
getNumberOfSoundPlayerDevices();
if (!recorderDevices.deviceCount
|| myDeviceChangeCount < deviceChangeCount)
getNumberOfSoundRecorderDevices();
myDeviceChangeCount = deviceChangeCount;
}
char *
getSoundPlayerDeviceName(sqInt index)
{
ensureUpToDateDevices();
return (unsigned)index < playerDevices.deviceCount
? playerDevices.devices[index].name
: (char *)0;
}
char *
getSoundRecorderDeviceName(sqInt index)
{
ensureUpToDateDevices();
return (unsigned)index < recorderDevices.deviceCount
? recorderDevices.devices[index].name
: (char *)0;
}
#if TerfVM
char *
getSoundPlayerDeviceUID(sqInt index)
{
ensureUpToDateDevices();
return (unsigned)index < playerDevices.deviceCount
? printGUID(playerDevices.devices[index].guid)
: (char *)0;
}
char *
getSoundRecorderDeviceUID(sqInt index)
{
ensureUpToDateDevices();
return (unsigned)index < recorderDevices.deviceCount
? printGUID(recorderDevices.devices[index].guid)
: (char *)0;
}
#endif // TerfVM
void logDeviceNames(void);
void
setDefaultSoundPlayer(char *deviceName)
{
int counter, max;
if (!deviceName) return;
max = getNumberOfSoundPlayerDevices(); /* ensures fresh data */
for (counter=0; counter<max; counter++) {
DeviceInfo* device = &(playerDevices.devices[counter]);
if (!strcmp(device->name, deviceName)) {
DSPRINTF(("setDefaultSoundPlayer('%s')\n", deviceName));
duplicateDeviceName(&playerDevices.defaultDevice, device->name);
setDeviceGUID(&playerDevices.defaultDevice, device->guid);
playerDevices.defaultDevice.mmID = device->mmID;
return;
}
}
DSPRINTF(("Unable to setDefaultSoundPlayer('%s')\n", deviceName));
clearDeviceInfo(&playerDevices.defaultDevice);
return;
}
void
setDefaultSoundRecorder(char *deviceName)
{
int counter, max;
if (!deviceName) return;
max = getNumberOfSoundRecorderDevices(); /* ensures fresh data */
for (counter=0; counter<max; counter++) {
DeviceInfo* device = &(recorderDevices.devices[counter]);
if (!strcmp(device->name, deviceName)) {
DMPRINTF(("setDefaultSoundRecorder('%s')\n", deviceName));
duplicateDeviceName(&recorderDevices.defaultDevice, device->name);
setDeviceGUID(&recorderDevices.defaultDevice, device->guid);
recorderDevices.defaultDevice.mmID = device->mmID;
return;
}
}
DMPRINTF(("unable to setDefaultSoundRecorder('%s')\n", deviceName));
clearDeviceInfo(&recorderDevices.defaultDevice);
}
char *
getDefaultSoundPlayer()
{
// Force enumeration to verify that default device is still available.
if (playerDevices.defaultDevice.name)
getNumberOfSoundPlayerDevices();
return playerDevices.defaultDevice.name;
}
char *
getDefaultSoundRecorder()
{
// Force enumeration to verify that default device is still available.
if (recorderDevices.defaultDevice.name)
getNumberOfSoundRecorderDevices();
return recorderDevices.defaultDevice.name;
}
/* For debugging a system: opens a log file and records all the names of devices seen by DirectX and by win32. */
#if 0
/* As of this writing (June 2008) MinGW doesn't support SHGetFolderPath(), requiring the old-style LoadLibrary(). */
static HRESULT (__stdcall *shGetFolderPath)(HWND, int, HANDLE, DWORD, CHAR*);
#endif
static char logName[MAX_PATH];
void
logDeviceNames()
{
HRESULT hres;
DeviceInfo* defaultPlayer = &playerDevices.defaultDevice;
DeviceInfo* defaultRecorder = &recorderDevices.defaultDevice;
int i;
#if 0
if (!shGetFolderPath) {
DPRINTF(("GetFolderPath dynamic lookup\n"));
shGetFolderPath = (void*)GetProcAddress(LoadLibrary("SHFolder.dll"), "SHGetFolderPathA");
hres = shGetFolderPath(NULL, CSIDL_PERSONAL, NULL, 0, logName);
DPRINTF(("func@%lx, result=%x, (E_INVALIDARG=%x), logName='%s'\n", shGetFolderPath, hres, E_INVALIDARG, logName));
if (logName[strlen(logName)-1] != '\\') strcat(logName, "\\");
strcat(logName, "QwaqCroquet\\logs\\device.log");
}
#endif
DPRINTF(("logDeviceNames() to '%s'\n", logName[0] ? logName : "stdout"));
deviceLogFile = logName[0]
? fopen(logName, "wt")
: stdout;
if (!deviceLogFile) {
DPRINTF(("Could not open '%s' (code %x)\n", logName, errno));
return;
}
DPRINTF(("writing log file to '%s'\n", logName));
getNumberOfSoundPlayerDevices();
getNumberOfSoundRecorderDevices();
fprintf(deviceLogFile, "Input devices: %d Output devices: %d\n",
recorderDevices.deviceCount, playerDevices.deviceCount);
fprintf(deviceLogFile, "Input (recording) devices:\n");
fprintf(deviceLogFile, "default %p: %s'%s'\n", defaultRecorder->guid, printGUID(defaultRecorder->guid), defaultRecorder->name);
for (i = 0; i < recorderDevices.deviceCount; i++)
fprintf(deviceLogFile, "device %d: %s'%s'\n", i,
printGUID(recorderDevices.devices[i].guid),
recorderDevices.devices[i].name);
fprintf(deviceLogFile, "\nOutput (playing) devices:\n");
fprintf(deviceLogFile, "default %p: %s '%s' \n", defaultPlayer->guid, printGUID(defaultPlayer->guid), defaultPlayer->name);
for (i = 0; i < playerDevices.deviceCount; i++)
fprintf(deviceLogFile, "device %d: %s'%s'\n", i,
printGUID(playerDevices.devices[i].guid),
playerDevices.devices[i].name);
fprintf(deviceLogFile, "using direct sound %d, use direct sound %d, sound %p, capture %p\n",
1, 1, lpdSound, lpdCapture);
fclose(deviceLogFile);
deviceLogFile = NULL;
DPRINTF(("logDeviceNames() complete\n"));
}
static double
closeDevs(HMIXER hmx, HWAVEIN hwaveIn, HWAVEOUT hwaveOut)
{
if (!!hmx) mixerClose(hmx);
if (!!hwaveIn) waveInClose(hwaveIn);
if (!!hwaveOut) waveOutClose(hwaveOut);
return -1.0;
}
/* Answers the volume (as a double [0, 1]) of the first line of deviceID that has the specified lineType.
If inLevel is between [0, 1], sets the volume before reading it.
A negative deviceID means to use the default waveIn/Out device (based on lineType arg). */
static double
accessMixerVolume(UINT deviceID, DWORD lineType, double inLevel)
{
double outLevel;
UINT v;
MMRESULT result;
HMIXER hmx = NULL;
MIXERLINE mmLine;
MIXERLINECONTROLS mmControls;
MIXERCONTROL mmControl[1]; /* That ought to be enough. :-) */
MIXERCONTROLDETAILS_UNSIGNED mmValue[4]; /* Up to four channels. */
MIXERCONTROLDETAILS mmDetails;
/* For default devices, use wave. */
HWAVEIN hwaveIn = NULL; HWAVEOUT hwaveOut = NULL;
WAVEFORMATEX wfx;
int bytesPerSample, bytesPerFrame, desiredSamplesPerSec;
DPRINTF(("accessMixerVolume(id:%u, type:%lx, level:%g) \n", deviceID, lineType, inLevel));
if ((int)deviceID < 0) {
/* Make up some data. */
bytesPerSample = 2;
bytesPerFrame = bytesPerSample;
desiredSamplesPerSec = 44100;
wfx.wFormatTag = WAVE_FORMAT_PCM;
wfx.nChannels = 1;
wfx.nSamplesPerSec = desiredSamplesPerSec;
wfx.nAvgBytesPerSec = desiredSamplesPerSec * bytesPerFrame;
wfx.nBlockAlign = bytesPerFrame;
wfx.wBitsPerSample = 8 * bytesPerSample;
if (lineType == MIXERLINE_COMPONENTTYPE_DST_WAVEIN
|| lineType == MIXERLINE_COMPONENTTYPE_DST_VOICEIN) {
result = waveInOpen(&hwaveIn, WAVE_MAPPER, &wfx, 0, 0, CALLBACK_NULL);
DMPRINTF((" waveInOpen=>%d (BADFORMAT=%d, BADFLAG=%d), hwave=%p\n", result, WAVERR_BADFORMAT, MMSYSERR_INVALFLAG, hwaveIn));
if (mmFAILED(result)) return -1;
result = mixerOpen(&hmx, (UINT) hwaveIn, 0, 0, MIXER_OBJECTF_HWAVEIN);
}
else {
result = waveOutOpen(&hwaveOut, WAVE_MAPPER, &wfx, 0, 0, CALLBACK_NULL);
DSPRINTF((" waveInOpen=>%d (BADFORMAT=%d, BADFLAG=%d), hwave=%lx\n", result, WAVERR_BADFORMAT, MMSYSERR_INVALFLAG, hwaveOut));
if (mmFAILED(result)) return -1;
result = mixerOpen(&hmx, (UINT) hwaveOut, 0, 0, MIXER_OBJECTF_HWAVEOUT);
}
}
else {
result = mixerOpen(&hmx, deviceID, 0, 0, MIXER_OBJECTF_MIXER);
}
XPRINT((" mixerOpen=>%x (BADDEVICEID=%d), handle=%lx\n", result, MMSYSERR_BADDEVICEID, hmx));
if (mmFAILED(result)) {
DPRINTF(("accessMixerVolume(): failed to open mixer device (error code: %d)\n", result));
return closeDevs(hmx, hwaveIn, hwaveOut);
}
/* Find the right line on this device. */
mmLine.cbStruct = sizeof(MIXERLINE);
mmLine.dwComponentType = lineType;
DPRINTF(("mixerGetLineInfo COMP %u DEST %u SRC %u\n",
mixerGetLineInfo((HMIXEROBJ)hmx, &mmLine, MIXER_OBJECTF_MIXER + MIXER_GETLINEINFOF_COMPONENTTYPE),
mixerGetLineInfo((HMIXEROBJ)hmx, &mmLine, MIXER_OBJECTF_MIXER + MIXER_GETLINEINFOF_DESTINATION),
mixerGetLineInfo((HMIXEROBJ)hmx, &mmLine, MIXER_OBJECTF_MIXER + MIXER_GETLINEINFOF_SOURCE)));
result = flexMixerGetLineInfo((HMIXEROBJ) hmx, &mmLine);
DPRINTF((" mixerGetLineInfo=>%x, source %lu, destinatation %lu, type %lx, %ul channels, %ul controls\n", result,
mmLine.dwSource, mmLine.dwDestination, mmLine.dwComponentType, mmLine.cChannels, mmLine.cControls));
if (mmFAILED(result)) {
DPRINTF(("accessMixerVolume(): failed to get line info (error code: %d)\n", result));
return closeDevs(hmx, hwaveIn, hwaveOut);
}
/* Find the volume control */
mmControls.cbStruct = sizeof(MIXERLINECONTROLS);
mmControls.cControls = 1;
mmControls.dwLineID = mmLine.dwDestination;
mmControls.cbmxctrl = sizeof(MIXERCONTROL);
mmControls.dwControlType = MIXERCONTROL_CONTROLTYPE_VOLUME;
mmControls.pamxctrl = mmControl;
result = mixerGetLineControls((HMIXEROBJ) hmx, &mmControls, MIXER_OBJECTF_HMIXER | MIXER_GETLINECONTROLSF_ONEBYTYPE);
XPRINT((" mixerGetLineControls(any volume control)=>%x, min=%u, max=%u for control %u\n",
result, mmControl[0].Bounds.dwMinimum, mmControl[0].Bounds.dwMaximum, mmControl[0].dwControlID));
if (mmFAILED(result)) {
DPRINTF(("accessMixerVolume(): failed to get line controls (error code: %d)\n", result));
return closeDevs(hmx, hwaveIn, hwaveOut);
}
/* access the control */
mmDetails.paDetails = mmValue;
mmDetails.dwControlID = mmControl[0].dwControlID;
mmDetails.cChannels = 1; /* Get set all channels as if they were uniform, rather than individually with mmLine.cChannels */
mmDetails.cbStruct = sizeof(MIXERCONTROLDETAILS);
mmDetails.cbDetails = sizeof(MIXERCONTROLDETAILS_UNSIGNED) /** mmLine.cChannels*/;
mmDetails.cMultipleItems = 0;
if (inLevel < 0) {
result = mixerGetControlDetails((HMIXEROBJ) hmx, &mmDetails, MIXER_OBJECTF_HMIXER | MIXER_GETCONTROLDETAILSF_VALUE);
XPRINT((" got result=%x, val=%x\n", result, mmValue[0].dwValue));
}
else {
v = (mmControl[0].Bounds.dwMaximum - mmControl[0].Bounds.dwMinimum);
v = (UINT) (v * inLevel);
v += mmControl[0].Bounds.dwMinimum;
mmValue[0].dwValue = v;
result = mixerSetControlDetails((HMIXEROBJ) hmx, &mmDetails, MIXER_OBJECTF_HMIXER | MIXER_SETCONTROLDETAILSF_VALUE);
XPRINT((" set %x, result=%x, val=%x\n", v, result, mmValue[0].dwValue));
}
if (mmFAILED(result)) {
DPRINTF(("accessMixerVolume(): failed to get or set line control details (error code: %d)\n", result));
return closeDevs(hmx, hwaveIn, hwaveOut);
}
outLevel = ((double) mmValue[0].dwValue - mmControl[0].Bounds.dwMinimum) / (mmControl[0].Bounds.dwMaximum - mmControl[0].Bounds.dwMinimum);
closeDevs(hmx, hwaveIn, hwaveOut);
return outLevel;
}
static sqInt
dx_snd_SetRecordLevel(sqInt level)
{ return 1000.0L * accessMixerVolume(recorderDevices.defaultDevice.mmID, MIXERLINE_COMPONENTTYPE_DST_WAVEIN, level / 1000.0L); }
int
snd_GetRecordLevel()
{ return 1000.0L * accessMixerVolume(recorderDevices.defaultDevice.mmID, MIXERLINE_COMPONENTTYPE_DST_WAVEIN, -1.0); }
static void
dx_snd_SetVolume(double left, double right)
{ accessMixerVolume(playerDevices.defaultDevice.mmID, MIXERLINE_COMPONENTTYPE_DST_SPEAKERS, (left>right)?left:right); }
static void
dx_snd_Volume(double *left, double *right)
{
*left = accessMixerVolume(playerDevices.defaultDevice.mmID, MIXERLINE_COMPONENTTYPE_DST_SPEAKERS, -1.0);
*right = *left;
}
/**************************************/
/* End of default device stuff by HRS */
/**************************************/
/* module initialization/shutdown */
static sqInt
dx_soundInit(void)
{
initializeDeviceInfoList(&playerDevices);
initializeDeviceInfoList(&recorderDevices);
playerDevices.dataflow = DIRECTSOUNDDEVICE_DATAFLOW_RENDER;
recorderDevices.dataflow = DIRECTSOUNDDEVICE_DATAFLOW_CAPTURE;
theSTWindow = (HWND*) interpreterProxy->ioLoadFunctionFrom("stWindow","");
if (!theSTWindow) {
DPRINTF(("ERROR: Failed to look up stWindow\n"));
return 0;
}
if (!dsound_InitClassFactory())
return 0;
hRecEvent = CreateEvent( NULL, FALSE, FALSE, NULL );
hPlayEvent = CreateEvent( NULL, FALSE, FALSE, NULL );
return 1;
}
static sqInt dx_snd_StopPlaying(void);
static sqInt dx_snd_StopRecording(int);
static sqInt
dx_soundShutdown(void)
{
DPRINTF(("dx_soundShutDown\n"));
dx_snd_StopPlaying();
dx_snd_StopRecording(0);
dsound_ShutdownClassFactory();
CloseHandle(hPlayEvent);
CloseHandle(hRecEvent);
shutdownDeviceInfoList(&playerDevices);
shutdownDeviceInfoList(&recorderDevices);
if (!RELEASE_SOUND_CAPTURE_STATE_ON_STOP_RECORDING) {
if (lpdRecBuffer) {
IDirectSoundCaptureBuffer_Release(lpdRecBuffer);
lpdRecBuffer = NULL;
}
if (lpdCapture) {
IDirectSoundCapture_Release(lpdCapture);
lpdCapture = NULL;
}
}
return 1;
}
static sqInt
dx_snd_StopPlaying(void) {
playTerminate = 0;
if (lpdPlayBuffer) {
DPRINTF(("Shutting down DSound\n"));
IDirectSoundBuffer_Stop(lpdPlayBuffer);
IDirectSoundBuffer_Release(lpdPlayBuffer);
lpdPlayBuffer = NULL;
}
if (lpdPrimaryBuffer) {
IDirectSoundBuffer_Release(lpdPrimaryBuffer);
lpdPrimaryBuffer = NULL;
}
if (lpdSound) {
IDirectSound_Release(lpdSound);
lpdSound = NULL;
}
if (hPlayThread) {
ResetEvent(hPlayEvent);
playTerminate = 1;
SetEvent(hPlayEvent);
WaitForSingleObject(hPlayThread, 100); /* wait until terminated */
hPlayThread = NULL;
playTerminate = 0;
}
ResetEvent(hPlayEvent);
return 1;
}
static DWORD WINAPI
playCallback(LPVOID ignored)
{
while (1) {
if (WaitForSingleObject(hPlayEvent, INFINITE) == WAIT_OBJECT_0) {
if (playTerminate) {
hPlayThread = NULL;
DPRINTF(("playCallback shutdown\n"));
dx_snd_StopPlaying();
return 0; /* done playing */
}
playBufferAvailable = 1;
playBufferIndex ^= 1; /* flip the double buffer used */
interpreterProxy->signalSemaphoreWithIndex(playSemaphore);
}
}
}
static DWORD WINAPI
dxRecCallback(LPVOID ignored)
{
while (1) {
if (WaitForSingleObject(hRecEvent, INFINITE) == WAIT_OBJECT_0) {
if (recTerminate) return 0; /* done playing */
recBufferWritePosition = (recBufferWritePosition + recBufferSize) % totalRecBufferSize;
recBufferAvailable += recBufferSize;
if (recBufferAvailable >= totalRecBufferSize) {
/* Keep the read position always one buffer ahead of the write position.
Otherwise we end up having race conditions when reading the buffer
that is currently being written to. */
recBufferReadPosition = (recBufferWritePosition+recBufferSize) % totalRecBufferSize;;
recBufferAvailable = totalRecBufferSize - recBufferSize;
}
interpreterProxy->signalSemaphoreWithIndex(recSemaphore);
}
}
}
/* sound output */
static sqInt
dx_snd_AvailableSpace(void) { return playBufferAvailable ? playBufferSize : 0; }
static sqInt
dx_snd_InsertSamplesFromLeadTime(sqInt frameCount, void *srcBufPtr, sqInt samplesOfLeadTime)
{
/* currently not supported */
return 0;
}
static sqInt
dx_snd_PlaySamplesFromAtLength(sqInt frameCount, void *arrayIndex, sqInt startIndex)
{
HRESULT hRes;
int bytesWritten;
DWORD dstLen;
void *dstPtr;
bytesWritten = waveOutFormat.nBlockAlign * frameCount;
if (bytesWritten > playBufferSize)
bytesWritten = playBufferSize;
if (bytesWritten < playBufferSize)
return 0;
DSPRINTF(("[%d", frameCount));
hRes = IDirectSoundBuffer_Lock(lpdPlayBuffer,
playBufferSize * playBufferIndex,
playBufferSize,
&dstPtr, &dstLen,
NULL, NULL,
0);
if (FAILED(hRes)) {
DSPRINTF(("dx_snd_Play: IDirectSoundBuffer_Lock failed (errCode: %lx)\n", hRes));
return 0;
}
/* mix in stuff */
{
DWORD i;
short *shortSrc = (short*)((char *)arrayIndex+startIndex);
short *shortDst = (short*)dstPtr;
dstLen /= 2;
DSPRINTF(("|%d", dstLen));
for (i=0;i<dstLen;i++)
*shortDst++ = *(shortSrc++);
}
IDirectSoundBuffer_Unlock(lpdPlayBuffer, dstPtr, dstLen, NULL, 0);
DSPRINTF(("]"));
playBufferAvailable = 0;
return bytesWritten / waveOutFormat.nBlockAlign;
}
static sqInt
dx_snd_PlaySilence(void) { /* no longer supported */ return -1; }
static sqInt
dx_snd_Start(sqInt frameCount, sqInt samplesPerSec, sqInt stereo, sqInt semaIndex) {
DSBUFFERDESC dsbd;
DSBPOSITIONNOTIFY posNotify[2];
LPDIRECTSOUNDNOTIFY lpdNotify = NULL;
HRESULT hRes;
DWORD threadID;
/* round up the size of the play buffers to multiple of 16 bytes */
const int bytesPerFrame = stereo ? 2 * sizeof(short) : sizeof(short);
const int bufferSize = ((bytesPerFrame * frameCount + 15) / 16) * 16;
if (bufferSize != playBufferSize
|| samplesPerSec != waveOutFormat.nSamplesPerSec
|| (stereo == 0) != (waveOutFormat.nChannels == 1)) {
/* format change */
DSPRINTF(("DXSound format change (%d, %d, %s)\n", frameCount, samplesPerSec, (stereo ? "stereo" : "mono")));
dx_snd_StopPlaying();
}
if (lpdPlayBuffer) {
/* keep playing */
playTerminate = 0;
playSemaphore = semaIndex; /* might have changed */
DSPRINTF(("Continuing DSound\n"));
return 1;
}
DSPRINTF(("Starting DSound\n"));
if (!lpdSound) {
/* Initialize DirectSound */
DSPRINTF(("# Creating lpdSound\n"));
hRes = CoCreateInstance(&CLSID_DirectSound,
NULL,
CLSCTX_INPROC_SERVER,
&IID_IDirectSound,
(void**)&lpdSound);
if (FAILED(hRes)) { return 0; }
DSPRINTF(("# Initializing lpdSound\n"));
hRes = IDirectSound_Initialize(lpdSound, playerDevices.defaultDevice.guid);
if (FAILED(hRes)) { return 0; }
/* set the cooperative level (DSSCL_PRIORITY is recommended) */
hRes = IDirectSound_SetCooperativeLevel(lpdSound, *theSTWindow, DSSCL_PRIORITY);
if (FAILED(hRes)) {
DSPRINTF(("sndStart: IDirectSound_SetCooperativeLevel failed (errCode: %lx)\n", hRes));
/* for now don't fail because of lack in cooperation */
}
/* grab the primary sound buffer for handling format changes */
ZeroMemory(&dsbd, sizeof(dsbd));
dsbd.dwSize = sizeof(dsbd);
dsbd.dwFlags = DSBCAPS_PRIMARYBUFFER;
DSPRINTF(("# Creating primary buffer\n"));
hRes = IDirectSound_CreateSoundBuffer(lpdSound, &dsbd, &lpdPrimaryBuffer, NULL);
if (FAILED(hRes)) {
DSPRINTF(("sndStart: Failed to create primary buffer (errCode: %lx)\n", hRes));
}
}
playSemaphore = semaIndex;
if (!hPlayThread) {
/* create the playback notification thread */
DSPRINTF(("# Creating playback thread\n"));
hPlayThread = CreateThread(NULL, 128*1024, playCallback, NULL,
STACK_SIZE_PARAM_IS_A_RESERVATION, &threadID);
if (hPlayThread == 0) { return 0; }
if (!SetThreadPriority(hPlayThread, THREAD_PRIORITY_HIGHEST))
printLastError(TEXT("SetThreadPriority() failed"));
}
/* since we start from buffer 0 the first play index is one */
playBufferIndex = 1;
/* round up the size of the play buffers to multiple of 16 bytes*/
playBufferSize = bufferSize;
/* create the secondary sound buffer */
dsbd.dwSize = sizeof(dsbd);
dsbd.dwFlags =
DSBCAPS_CTRLPOSITIONNOTIFY | /* position notification */