/***********************************************************************
* MSACM_RegisterAllDrivers()
*/
void MSACM_RegisterAllDrivers(void)
{
static const WCHAR msacm32[] = {'m','s','a','c','m','3','2','.','d','l','l','\0'};
static const WCHAR msacmW[] = {'M','S','A','C','M','.'};
static const WCHAR drv32[] = {'d','r','i','v','e','r','s','3','2','\0'};
static const WCHAR sys[] = {'s','y','s','t','e','m','.','i','n','i','\0'};
static const WCHAR drvkey[] = {'S','o','f','t','w','a','r','e','\\',
'M','i','c','r','o','s','o','f','t','\\',
'W','i','n','d','o','w','s',' ','N','T','\\',
'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
'D','r','i','v','e','r','s','3','2','\0'};
DWORD i, cnt, bufLen, lRet, type;
WCHAR buf[2048], valname[64], *name, *s;
FILETIME lastWrite;
HKEY hKey;
/* FIXME: What if the user edits system.ini while the program is running?
* Does Windows handle that? */
if (MSACM_pFirstACMDriverID) return;
lRet = RegOpenKeyExW(HKEY_LOCAL_MACHINE, drvkey, 0, KEY_QUERY_VALUE, &hKey);
if (lRet == ERROR_SUCCESS) {
RegQueryInfoKeyW( hKey, 0, 0, 0, &cnt, 0, 0, 0, 0, 0, 0, 0);
for (i = 0; i < cnt; i++) {
bufLen = sizeof(buf) / sizeof(buf[0]);
lRet = RegEnumKeyExW(hKey, i, buf, &bufLen, 0, 0, 0, &lastWrite);
if (lRet != ERROR_SUCCESS) continue;
if (strncmpiW(buf, msacmW, sizeof(msacmW)/sizeof(msacmW[0]))) continue;
if (!(name = strchrW(buf, '='))) continue;
*name = 0;
MSACM_RegisterDriver(buf, name + 1, 0);
}
i = 0;
cnt = sizeof(valname) / sizeof(*valname);
bufLen = sizeof(buf);
while(RegEnumValueW(hKey, i, valname, &cnt, 0,
&type, (BYTE*)buf, &bufLen) == ERROR_SUCCESS){
if(!strncmpiW(valname, msacmW, sizeof(msacmW) / sizeof(*msacmW)))
MSACM_RegisterDriver(valname, buf, 0);
++i;
}
RegCloseKey( hKey );
}
if (GetPrivateProfileSectionW(drv32, buf, sizeof(buf)/sizeof(buf[0]), sys))
{
for(s = buf; *s; s += strlenW(s) + 1)
{
if (strncmpiW(s, msacmW, sizeof(msacmW)/sizeof(msacmW[0]))) continue;
if (!(name = strchrW(s, '='))) continue;
*name = 0;
MSACM_RegisterDriver(s, name + 1, 0);
*name = '=';
}
}
MSACM_ReorderDriversByPriority();
MSACM_RegisterDriver(msacm32, msacm32, 0);
}
/***********************************************************************
* MSACM_RegisterDriverFromRegistry()
*/
PWINE_ACMDRIVERID MSACM_RegisterDriverFromRegistry(LPCWSTR pszRegEntry)
{
static const WCHAR msacmW[] = {'M','S','A','C','M','.'};
static const WCHAR drvkey[] = {'S','o','f','t','w','a','r','e','\\',
'M','i','c','r','o','s','o','f','t','\\',
'W','i','n','d','o','w','s',' ','N','T','\\',
'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
'D','r','i','v','e','r','s','3','2','\0'};
WCHAR buf[2048];
DWORD bufLen, lRet;
HKEY hKey;
PWINE_ACMDRIVERID padid = NULL;
/* The requested registry entry must have the format msacm.XXXXX in order to
be recognized in any future sessions of msacm
*/
if (0 == strncmpiW(buf, msacmW, sizeof(msacmW)/sizeof(WCHAR))) {
lRet = RegOpenKeyExW(HKEY_LOCAL_MACHINE, drvkey, 0, KEY_QUERY_VALUE, &hKey);
if (lRet != ERROR_SUCCESS) {
WARN("unable to open registry key - 0x%08x\n", lRet);
} else {
bufLen = sizeof(buf);
lRet = RegQueryValueExW(hKey, pszRegEntry, NULL, NULL, (LPBYTE)buf, &bufLen);
if (lRet != ERROR_SUCCESS) {
WARN("unable to query requested subkey %s - 0x%08x\n", debugstr_w(pszRegEntry), lRet);
} else {
MSACM_RegisterDriver(pszRegEntry, buf, 0);
}
RegCloseKey( hKey );
}
}
return padid;
}
/***********************************************************************
* acmDriverAddA (MSACM32.2)
*/
MMRESULT WINAPI acmDriverAddA(PHACMDRIVERID phadid, HINSTANCE hinstModule,
LPARAM lParam, DWORD dwPriority, DWORD fdwAdd)
{
if (!phadid)
return MMSYSERR_INVALPARAM;
/* Check if any unknown flags */
if (fdwAdd &
~(ACM_DRIVERADDF_FUNCTION|ACM_DRIVERADDF_NOTIFYHWND|
ACM_DRIVERADDF_GLOBAL))
return MMSYSERR_INVALFLAG;
/* Check if any incompatible flags */
if ((fdwAdd & ACM_DRIVERADDF_FUNCTION) &&
(fdwAdd & ACM_DRIVERADDF_NOTIFYHWND))
return MMSYSERR_INVALFLAG;
/* FIXME: in fact, should GetModuleFileName(hinstModule) and do a
* LoadDriver on it, to be sure we can call SendDriverMessage on the
* hDrvr handle.
*/
*phadid = (HACMDRIVERID) MSACM_RegisterDriver(NULL, NULL, hinstModule);
/* FIXME: lParam, dwPriority and fdwAdd ignored */
return MMSYSERR_NOERROR;
}
/***********************************************************************
* MSACM_RegisterAllDrivers()
*/
void MSACM_RegisterAllDrivers(void)
{
LPSTR pszBuffer;
DWORD dwBufferLength;
/* FIXME
* What if the user edits system.ini while the program is running?
* Does Windows handle that?
*/
if (MSACM_pFirstACMDriverID)
return;
/* FIXME: Does not work! How do I determine the section length? */
dwBufferLength = 1024;
/* EPP GetPrivateProfileSectionA("drivers32", NULL, 0, "system.ini"); */
pszBuffer = (LPSTR) HeapAlloc(MSACM_hHeap, 0, dwBufferLength);
if (GetPrivateProfileSectionA("drivers32", pszBuffer, dwBufferLength, "system.ini")) {
char* s = pszBuffer;
while (*s) {
if (!strncasecmp("MSACM.", s, 6)) {
char *s2 = s;
while (*s2 != '\0' && *s2 != '=') s2++;
if (*s2) {
*s2 = '\0';
MSACM_RegisterDriver(s, s2 + 1, 0);
*s2 = '=';
}
}
s += strlen(s) + 1; /* Either next char or \0 */
}
}
HeapFree(MSACM_hHeap, 0, pszBuffer);
MSACM_RegisterDriver("msacm32.dll", "msacm32.dll", 0);
}
static int preinit(sh_audio_t *sh_audio)
{
HRESULT ret;
WAVEFORMATEX *in_fmt = sh_audio->wf;
DWORD srcsize = 0;
acm_context_t *priv;
priv = malloc(sizeof(acm_context_t));
if (!priv)
return 0;
sh_audio->context = priv;
mp_msg(MSGT_WIN32, MSGL_V, "======= Win32 (ACM) AUDIO Codec init =======\n");
// priv->handle = NULL;
priv->o_wf = malloc(sizeof(*priv->o_wf));
if (!priv->o_wf)
{
mp_msg(MSGT_DECAUDIO,MSGL_ERR,MSGTR_ACMiniterror);
return 0;
}
priv->o_wf->nChannels = in_fmt->nChannels;
priv->o_wf->nSamplesPerSec = in_fmt->nSamplesPerSec;
priv->o_wf->nAvgBytesPerSec = 2*in_fmt->nSamplesPerSec*in_fmt->nChannels;
priv->o_wf->wFormatTag = WAVE_FORMAT_PCM;
priv->o_wf->nBlockAlign = 2*in_fmt->nChannels;
priv->o_wf->wBitsPerSample = 16;
// priv->o_wf->wBitsPerSample = inf_fmt->wBitsPerSample;
priv->o_wf->cbSize = 0;
if ( mp_msg_test(MSGT_DECAUDIO,MSGL_V) )
{
mp_msg(MSGT_DECAUDIO, MSGL_V, "Input format:\n");
print_wave_header(in_fmt, MSGL_V);
mp_msg(MSGT_DECAUDIO, MSGL_V, "Output format:\n");
print_wave_header(priv->o_wf, MSGL_V);
}
MSACM_RegisterDriver((const char *)sh_audio->codec->dll, in_fmt->wFormatTag, 0);
ret = acmStreamOpen(&priv->handle, (HACMDRIVER)NULL, in_fmt,
priv->o_wf, NULL, 0, 0, 0);
if (ret)
{
if (ret == ACMERR_NOTPOSSIBLE)
mp_msg(MSGT_WIN32, MSGL_ERR, "ACM_Decoder: Unappropriate audio format\n");
else
mp_msg(MSGT_WIN32, MSGL_ERR, "ACM_Decoder: acmStreamOpen error: %d\n",
(int)ret);
mp_msg(MSGT_DECAUDIO,MSGL_ERR,MSGTR_ACMiniterror);
return 0;
}
mp_msg(MSGT_WIN32, MSGL_V, "Audio codec opened OK! ;-)\n");
acmStreamSize(priv->handle, in_fmt->nBlockAlign, &srcsize, ACM_STREAMSIZEF_SOURCE);
//if ( mp_msg_test(MSGT_DECAUDIO,MSGL_V) ) printf("Audio ACM output buffer min. size: %ld (reported by codec)\n", srcsize);
srcsize *= 2;
//if (srcsize < MAX_OUTBURST) srcsize = MAX_OUTBURST;
if (!srcsize)
{
mp_msg(MSGT_WIN32, MSGL_WARN, "Warning! ACM codec reports srcsize=0\n");
srcsize = 16384;
}
// limit srcsize to 4-16kb
//while(srcsize && srcsize<4096) srcsize*=2;
//while(srcsize>16384) srcsize/=2;
sh_audio->audio_out_minsize=srcsize; // audio output min. size
mp_msg(MSGT_WIN32,MSGL_V,"Audio ACM output buffer min. size: %ld\n",srcsize);
acmStreamSize(priv->handle, srcsize, &srcsize, ACM_STREAMSIZEF_DESTINATION);
// if(srcsize<in_fmt->nBlockAlign) srcsize=in_fmt->nBlockAlign;
if (!srcsize)
{
mp_msg(MSGT_WIN32, MSGL_WARN, "Warning! ACM codec reports srcsize=0\n");
srcsize = 2*in_fmt->nBlockAlign;
}
mp_msg(MSGT_WIN32,MSGL_V,"Audio ACM input buffer min. size: %ld\n",srcsize);
sh_audio->audio_in_minsize=2*srcsize; // audio input min. size
sh_audio->i_bps=sh_audio->wf->nAvgBytesPerSec;
sh_audio->channels=priv->o_wf->nChannels;
sh_audio->samplerate=priv->o_wf->nSamplesPerSec;
sh_audio->samplesize=2;
mp_msg(MSGT_DECVIDEO,MSGL_V,"INFO: Win32/ACM audio codec init OK!\n");
return 1;
}
/***********************************************************************
* acmDriverAddW (MSACM32.@)
*
*/
MMRESULT WINAPI acmDriverAddW(PHACMDRIVERID phadid, HINSTANCE hinstModule,
LPARAM lParam, DWORD dwPriority, DWORD fdwAdd)
{
PWINE_ACMLOCALDRIVER pLocalDrv = NULL;
TRACE("(%p, %p, %08lx, %08x, %08x)\n",
phadid, hinstModule, lParam, dwPriority, fdwAdd);
if (!phadid) {
WARN("invalid parameter\n");
return MMSYSERR_INVALPARAM;
}
/* Check if any unknown flags */
if (fdwAdd &
~(ACM_DRIVERADDF_FUNCTION|ACM_DRIVERADDF_NOTIFYHWND|
ACM_DRIVERADDF_GLOBAL)) {
WARN("invalid flag\n");
return MMSYSERR_INVALFLAG;
}
/* Check if any incompatible flags */
if ((fdwAdd & ACM_DRIVERADDF_FUNCTION) &&
(fdwAdd & ACM_DRIVERADDF_NOTIFYHWND)) {
WARN("invalid flag\n");
return MMSYSERR_INVALFLAG;
}
switch (fdwAdd & ACM_DRIVERADDF_TYPEMASK) {
case ACM_DRIVERADDF_NAME:
/*
hInstModule (unused)
lParam name of value in HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Drivers32
dwPriority (unused, set to 0)
*/
*phadid = (HACMDRIVERID) MSACM_RegisterDriverFromRegistry((LPCWSTR)lParam);
if (!*phadid) {
ERR("Unable to register driver via ACM_DRIVERADDF_NAME\n");
return MMSYSERR_INVALPARAM;
}
break;
case ACM_DRIVERADDF_FUNCTION:
/*
hInstModule Handle of module which contains driver entry proc
lParam Driver function address
dwPriority (unused, set to 0)
*/
fdwAdd &= ~ACM_DRIVERADDF_TYPEMASK;
/* FIXME: fdwAdd ignored */
/* Application-supplied acmDriverProc's are placed at the top of the priority unless
fdwAdd indicates ACM_DRIVERADDF_GLOBAL
*/
pLocalDrv = MSACM_RegisterLocalDriver(hinstModule, (DRIVERPROC)lParam);
*phadid = pLocalDrv ? (HACMDRIVERID) MSACM_RegisterDriver(NULL, NULL, pLocalDrv) : NULL;
if (!*phadid) {
ERR("Unable to register driver via ACM_DRIVERADDF_FUNCTION\n");
return MMSYSERR_INVALPARAM;
}
break;
case ACM_DRIVERADDF_NOTIFYHWND:
/*
hInstModule (unused)
lParam Handle of notification window
dwPriority Window message to send for notification broadcasts
*/
*phadid = (HACMDRIVERID) MSACM_RegisterNotificationWindow((HWND)lParam, dwPriority);
if (!*phadid) {
ERR("Unable to register driver via ACM_DRIVERADDF_NOTIFYHWND\n");
return MMSYSERR_INVALPARAM;
}
break;
default:
ERR("invalid flag value 0x%08x for fdwAdd\n", fdwAdd & ACM_DRIVERADDF_TYPEMASK);
return MMSYSERR_INVALFLAG;
}
MSACM_BroadcastNotification();
return MMSYSERR_NOERROR;
}
