ddpdb.c

著名的 helix realplayer 基于手机 symbian 系统的 播放器全套源代码

        /* RGB blits only: */
        {F(CID_RGB32),
         F(CID_RGB24),
         F(CID_RGB565),
         F(CID_RGB555),
         F(CID_RGB8)}
    },
    {
        VER_PLATFORM_WIN32_WINDOWS,
        {"Chips And Technologies, Accelerator (new)", "chipsnd.drv",
        0x3b6,0x40013,0x102c, 0xe0, 0x0, 0x0, {0x0,0x0,0x0,{0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0}}},
        /* do NOT use overlays !!!: */
        {0, 0, 0, 0, 0},
        /* blits (use YUY2s & matching RGBs only): */
        {F(CID_YUY2) + F(CID_RGB32),
         F(CID_YUY2) + F(CID_RGB24),
         F(CID_YUY2) + F(CID_RGB565),
         F(CID_YUY2) + F(CID_RGB555),
         F(CID_YUY2) + F(CID_RGB8)}
    },
    {
        VER_PLATFORM_WIN32_WINDOWS,
        {"Cirrus Logic 7548 PCI", "cirrusmm.drv", 0x7ee,0x40003,
         0x1013, 0x38, 0x0, 0x0,
         {0x0,0x0,0x0,{0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0}}},
        /* does not have overlays...: */
        {0, 0, 0, 0, 0},
        /* RGB blits only: */
        {F(CID_RGB32),
         F(CID_RGB24),
         F(CID_RGB565),
         F(CID_RGB555),
         F(CID_RGB8)}
    },
    /* NeoMagic controllers (widely used in Dell laptops): */
    {
        VER_PLATFORM_WIN32_WINDOWS,
        {"NeoMagic MagicGraph 128XD", "NmgcDD.dll", 0x10006,0x4000a,
        0x10c8, 0x4, 0x751028, 0x0,
        {0xd7b71e28,0x4344,0x11cf,{0x9e,0x73,0x74,0x20,0xa5,0xc2,0xc9,0x35}}},
        /* overlays (use YUY2 only): */
        {F(CID_YUY2),
        F(CID_YUY2),
        F(CID_YUY2),
        F(CID_YUY2),
        F(CID_YUY2)},
        /* don't use BLITS!!!: */
        {0, 0, 0, 0, 0}
    },
    {
        VER_PLATFORM_WIN32_WINDOWS,
        {"NeoMagic MagicGraph 128XD", "Nmgc.drv",
        0x10004,0x4000a, 0x10c8, 0x4, 0x0, 0x0, {0,0,0,{0,0,0,0,0,0,0,0}}},
        /* overlays (use YUY2 only): */
        {F(CID_YUY2),
        F(CID_YUY2),
        F(CID_YUY2),
        F(CID_YUY2),
        F(CID_YUY2)},
        /* don't use BLITS!!!: */
        {0, 0, 0, 0, 0}
    },
    {
        VER_PLATFORM_WIN32_WINDOWS,
        {"NeoMagic MagicGraph 128 PCI", "nmx.drv",
        0x5920000,0x40003, 0x0, 0x0, 0x0, 0x0, {0,0,0,{0,0,0,0,0,0,0,0}}},
        /* overlays (use YUY2 only): */
        {F(CID_YUY2),
        F(CID_YUY2),
        F(CID_YUY2),
        F(CID_YUY2),
        F(CID_YUY2)},
        /* don't use BLITS!!!: */
        {0, 0, 0, 0, 0}
    },
    {
        VER_PLATFORM_WIN32_WINDOWS,
        {"Diamond Stealth II G460",
         "s2g432le.dll",
         0x10542,0x4000a,
         0x8086, 0x7800, 0x0, 0x0,
         {0x0,0x0,0x0,{0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0}}},
        /* overlays (use YUY2 only): */
        {F(CID_YUY2),
        F(CID_YUY2),
        F(CID_YUY2),
        F(CID_YUY2),
        F(CID_YUY2)},
        /* blits (use matching RGBs only): */
        {F(CID_RGB32),
        F(CID_RGB24),
        F(CID_RGB565),
        F(CID_RGB555),
        F(CID_RGB8)}
    },
    {
        VER_PLATFORM_WIN32_WINDOWS,
        {"Diamond Stealth II G460",
         "s2g432le.dll",
         0x10542,0x4000a,
         0x8086, 0x7800, 0x1001092, 0x21,
         {0xd7b78e66,0x3b40,0x11cf,{0x60,0x76,0x1,0x21,0x84,0xc2,0xc9,0x35}}},
        /* don't use overlays: */
        {0, 0, 0, 0, 0},
        /* blits (use matching RGBs only): */
        {F(CID_RGB32),
        F(CID_RGB24),
        F(CID_RGB565),
        F(CID_RGB555),
        F(CID_RGB8)}
    },
    {
	VER_PLATFORM_WIN32_WINDOWS,
	{"NeoMagic MagicMedia 256AV",
	 "NmgcDD5.dll",
	 0x11451,0x4000a,
	 0x10c8, 0x5, 0x8f1028, 0x20, 
	{0xd7b71e28,0x4345,0x11cf,{0xc9,0x67,0x8e,0x20,0x85,0xc2,0xc9,0x35}}},
        /* do NOT use overlays !!!: */
        {0, 0, 0, 0, 0},
        /* no blits either: */
        {0, 0, 0, 0, 0}
    },
    {
	VER_PLATFORM_WIN32_WINDOWS,
        {"NVIDIA RIVA TNT2 Ultra",
         "NVDD32.DLL",
         0x10170,0x4000c,
         0x10de, 0x29, 0x10211102, 0x11, 
	{0xd7b71e3e,0x4369,0x11cf,{0xc2,0x73,0x20,0x30,0xb2,0xc2,0xc9,0x35}}},
        /* don't use overlays: */
        {0, 0, 0, 0, 0},
        /* no blits either: */
        {0, 0, 0, 0, 0}
    }}
};

static BOOL DDPDB_Opened = FALSE;
static BOOL DDPDB_NewProfile = FALSE;
static time_t DDPDB_FileTime;

/*
 * Initializes profile database:        
 */
BOOL DDPDB_Open(char *pszProfile)
{
    BOOL bRet = FALSE;

    /* check arguments: */
    if (pszProfile && *pszProfile) {

        struct _stat st;

        /* get profile info: */
        if (!_stat(pszProfile, &st) &&
            /* check if we need to reload it: */
            (!DDPDB_Opened || st.st_mtime != DDPDB_FileTime)) {

            FILE *fp;
            size_t s;

            /* save profile time: */
            DDPDB_FileTime = st.st_mtime;

            /* try to open profile: */
            if ((fp = fopen(pszProfile, "rb")) != NULL) {

                /* try to read this file: */
                if ((s = fread((void*)&DDPDB, 1, sizeof DDPDB, fp)) > 0 &&
                    !strncmp(DDPDB.szMagic, DDPDB_MAGIC, 5) &&
                    DDPDB.dwVersion >= DDPDB_VERSION &&
                    DDPDB.dwNumProfiles >= 1 &&
                    DDPDB.dwNumProfiles < MAXPROFILES &&
                    DDPDB.dwNumProfiles * sizeof(DDDEVICEPROFILE) + 16 == s) {

                    /* success: */
                    DDPDB_Opened ++;
                    DDPDB_NewProfile = TRUE;
                    bRet = TRUE;
                }

                /* close file: */
                fclose(fp);
            }
        }
    }
    return bRet;
}

/*
 * Terminates the use of profile database:
 */
BOOL DDPDB_Close ()
{
    return DDPDB_Opened && !--DDPDB_Opened;
}

/*
 * Checks if profile has been updated.
 */
BOOL DDPDB_IsNewProfile ()
{
    BOOL bResult = DDPDB_NewProfile;
    DDPDB_NewProfile = FALSE;
    return bResult;
}


/*********************
 * Default device profiles:
 */
static DDDEVICEPROFILE ddWinNTDefaultProfile =
{
    VER_PLATFORM_WIN32_NT,
    {"", "", 0,0, 0},
    /* overlays (use YUVs only): */
    {F(CID_YV12) + F(CID_YUY2) + F(CID_UYVY),
     F(CID_YV12) + F(CID_YUY2) + F(CID_UYVY),
     F(CID_YV12) + F(CID_YUY2) + F(CID_UYVY),
     F(CID_YV12) + F(CID_YUY2) + F(CID_UYVY),
     F(CID_YV12) + F(CID_YUY2) + F(CID_UYVY)},
    /* blits (use YUVs & matching RGBs): */
    {F(CID_YV12) + F(CID_YUY2) + F(CID_UYVY) + F(CID_RGB32),
     F(CID_YV12) + F(CID_YUY2) + F(CID_UYVY) + F(CID_RGB24),
     F(CID_YV12) + F(CID_YUY2) + F(CID_UYVY) + F(CID_RGB565),
     F(CID_YV12) + F(CID_YUY2) + F(CID_UYVY) + F(CID_RGB555),
     F(CID_YV12) + F(CID_YUY2) + F(CID_UYVY) + F(CID_RGB8)}
};

static DDDEVICEPROFILE ddWin9xDefaultProfile =
{
    VER_PLATFORM_WIN32_WINDOWS,
    {"", "", 0,0, 0,0,0,0, 0},
    /* overlays (use YUVs only): */
    {F(CID_YV12) + F(CID_YUY2) + F(CID_UYVY),
     F(CID_YV12) + F(CID_YUY2) + F(CID_UYVY),
     F(CID_YV12) + F(CID_YUY2) + F(CID_UYVY),
     F(CID_YV12) + F(CID_YUY2) + F(CID_UYVY),
     F(CID_YV12) + F(CID_YUY2) + F(CID_UYVY)},
    /* blits (use YUVs & matching RGBs): */
    {F(CID_YV12) + F(CID_YUY2) + F(CID_UYVY) + F(CID_RGB32),
     F(CID_YV12) + F(CID_YUY2) + F(CID_UYVY) + F(CID_RGB24),
     F(CID_YV12) + F(CID_YUY2) + F(CID_UYVY) + F(CID_RGB565),
     F(CID_YV12) + F(CID_YUY2) + F(CID_UYVY) + F(CID_RGB555),
     F(CID_YV12) + F(CID_YUY2) + F(CID_UYVY) + F(CID_RGB8)}
};

/*
 * Get pointer to a best matching DirectDraw device profile.
 */
LPDDDEVICEPROFILE DDPDB_GetDeviceProfile (LPDIRECTDRAW lpDD)
{
    OSVERSIONINFO osVersion;
    DDDEVICEIDENTIFIER ddID;                    /* DirectDraw & Win95 info */
    char szChipType[MAXCHIPTYPE];               /* NT info      */
    unsigned int bestMatchIdx, deviceBestMatch, driverBestMatch;
    unsigned int i, deviceMatch, driverMatch;

#if DIRECTDRAW_VERSION > 0x0500
    LPDIRECTDRAW4 lpDD4;
#endif

    /* check if we are runnning NT: */
    memset(&osVersion,0, sizeof(OSVERSIONINFO));
    osVersion.dwOSVersionInfoSize  = sizeof(OSVERSIONINFO);
    if (GetVersionEx(&osVersion) && osVersion.dwPlatformId == VER_PLATFORM_WIN32_NT) {

        /* try to get WinNT device information: */
        if (GetWinNTDeviceID (&ddID, szChipType)) {

            /* clear best match criteria: */
            deviceBestMatch = driverBestMatch = bestMatchIdx = 0;

            /* scan database: */
            for (i = 0; i < DDPDB.dwNumProfiles; i++) {

                /* check platform ID: */
                if (DDPDB.ddProfiles[i].dwPlatformId == VER_PLATFORM_WIN32_NT) {

                    /* clear match criteria: */
                    deviceMatch = driverMatch = 0;

                    /* check non-critical parameters: */
                    if (!DDPDB.ddProfiles[i].ID.WinNT.szDescription[0] ||
                        !strncmp (DDPDB.ddProfiles[i].ID.WinNT.szDescription, ddID.szDescription, MAXDESCRIPT-1))
                        deviceMatch ++;
                    if (!DDPDB.ddProfiles[i].ID.WinNT.szDriver[0] ||
                        !strnicmp (DDPDB.ddProfiles[i].ID.WinNT.szDriver, ddID.szDriver, MAXDRIVER-1))
                        driverMatch ++;

                    /* check critical data: */
                    if (!DDPDB.ddProfiles[i].ID.WinNT.dwDriverVersionHighPart)
                        driverMatch ++;
                    else if (DDPDB.ddProfiles[i].ID.WinNT.dwDriverVersionHighPart == (DWORD)ddID.liDriverVersion.HighPart)
                        driverMatch += 2;
                    else
                        continue;
                    if (!DDPDB.ddProfiles[i].ID.WinNT.dwDriverVersionLowPart)
                        driverMatch ++;
                    else if (DDPDB.ddProfiles[i].ID.WinNT.dwDriverVersionLowPart == (DWORD)ddID.liDriverVersion.LowPart)
                        driverMatch += 2;
                    else
                        continue;
                    if (!DDPDB.ddProfiles[i].ID.WinNT.szChipType[0])
                        deviceMatch += 1;
                    else if (!strncmp (DDPDB.ddProfiles[i].ID.WinNT.szChipType, szChipType, MAXCHIPTYPE-1))
                        deviceMatch += 2;
                    else
                        continue;

                    /* check the results: */
                    if (deviceMatch + driverMatch > deviceBestMatch + driverBestMatch &&
                        deviceMatch >= deviceBestMatch && driverMatch >= driverBestMatch)
                    {
                        /* update best match: */
                        deviceBestMatch = deviceMatch;
                        driverBestMatch = driverMatch;
                        bestMatchIdx = i;
                    }
                }
            }

            /* check overal search results: */
            if (deviceBestMatch && driverBestMatch >= 3)
            {
                return DDPDB.ddProfiles + bestMatchIdx ;
            }
            
        }

        /* return WinNT default profile: */
        return &ddWinNTDefaultProfile;

    } else { /* Win9x: */

        /* try to get DirectDraw device identifier: */
        memset (&ddID, 0, sizeof (DDDEVICEIDENTIFIER));
        
#if DIRECTDRAW_VERSION > 0x0500 && !defined(IMPORT)
        if ((IDirectDraw_QueryInterface(lpDD, &IID_IDirectDraw4, (void**)&lpDD4) == DD_OK &&
            IDirectDraw4_GetDeviceIdentifier(lpDD4, &ddID, DDGDI_GETHOSTIDENTIFIER) == DD_OK) ||
            /* try to gather Win9x device information manually: */
            GetWin9xDeviceID (&ddID)) {

            /* clear best match criteria: */
            deviceBestMatch = driverBestMatch = bestMatchIdx = 0;

            /* scan database: */