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| 1 : | Isibaar | 2096 | /***************************************************************************** |
| 2 : | * | ||
| 3 : | * Xvid MiniConvert | ||
| 4 : | * - Utility and helper functions - | ||
| 5 : | * | ||
| 6 : | * Copyright(C) 2011-2014 Xvid Solutions GmbH | ||
| 7 : | * | ||
| 8 : | * This program is free software ; you can redistribute it and/or modify | ||
| 9 : | * it under the terms of the GNU General Public License as published by | ||
| 10 : | * the Free Software Foundation ; either version 2 of the License, or | ||
| 11 : | * (at your option) any later version. | ||
| 12 : | * | ||
| 13 : | * This program is distributed in the hope that it will be useful, | ||
| 14 : | * but WITHOUT ANY WARRANTY ; without even the implied warranty of | ||
| 15 : | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 16 : | * GNU General Public License for more details. | ||
| 17 : | * | ||
| 18 : | * You should have received a copy of the GNU General Public License | ||
| 19 : | * along with this program ; if not, write to the Free Software | ||
| 20 : | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
| 21 : | * | ||
| 22 : | * $Id: utils.cpp 2080 2014-04-08 20:01:07Z Isibaar $ | ||
| 23 : | * | ||
| 24 : | ****************************************************************************/ | ||
| 25 : | /* | ||
| 26 : | * Author(s): Ireneusz Hallmann | ||
| 27 : | * | ||
| 28 : | ****************************************************************************/ | ||
| 29 : | |||
| 30 : | #include "stdafx.h" | ||
| 31 : | #include "utils.h" | ||
| 32 : | |||
| 33 : | HRESULT | ||
| 34 : | GetFilterPin(IBaseFilter *pFilter, // Pointer to the filter. | ||
| 35 : | PIN_DIRECTION PinDir, // Direction of the pin to find. | ||
| 36 : | int WantConnected, // 0 - unconnected, 1 - connected, -1 - N/A | ||
| 37 : | IPin **ppPin, | ||
| 38 : | const GUID &MainType, | ||
| 39 : | const GUID &SubType) // Receives a pointer to the pin. | ||
| 40 : | { | ||
| 41 : | *ppPin = 0; | ||
| 42 : | IEnumPins *pEnum = 0; | ||
| 43 : | IPin *pPin = 0; | ||
| 44 : | if (!pFilter) return E_POINTER; | ||
| 45 : | |||
| 46 : | HRESULT hr = pFilter->EnumPins(&pEnum); | ||
| 47 : | |||
| 48 : | if (FAILED(hr)) { | ||
| 49 : | return hr; | ||
| 50 : | } | ||
| 51 : | |||
| 52 : | CMediaType TestMediaType; | ||
| 53 : | TestMediaType.majortype = MainType; | ||
| 54 : | TestMediaType.subtype = SubType; | ||
| 55 : | |||
| 56 : | while (pEnum->Next(1, &pPin, NULL) == S_OK) | ||
| 57 : | { | ||
| 58 : | PIN_DIRECTION ThisPinDir; | ||
| 59 : | pPin->QueryDirection(&ThisPinDir); | ||
| 60 : | |||
| 61 : | if (ThisPinDir == PinDir) { | ||
| 62 : | IPin *pTmp = 0; | ||
| 63 : | hr = pPin->ConnectedTo(&pTmp); | ||
| 64 : | if (SUCCEEDED(hr)) // Already connected | ||
| 65 : | { | ||
| 66 : | pTmp->Release(); | ||
| 67 : | } | ||
| 68 : | |||
| 69 : | if ((FAILED (hr) && WantConnected ==0) || | ||
| 70 : | (SUCCEEDED(hr) && WantConnected ==1)) { | ||
| 71 : | |||
| 72 : | if (MainType == GUID_NULL) { | ||
| 73 : | pEnum->Release(); | ||
| 74 : | *ppPin = pPin; | ||
| 75 : | return S_OK; | ||
| 76 : | } | ||
| 77 : | |||
| 78 : | if (WantConnected ==1) { | ||
| 79 : | AM_MEDIA_TYPE mType; | ||
| 80 : | hr = pPin->ConnectionMediaType(&mType); | ||
| 81 : | |||
| 82 : | if (SUCCEEDED(hr)) { | ||
| 83 : | if (mType.majortype == MainType && | ||
| 84 : | (SubType == GUID_NULL || SubType == mType.subtype)) { | ||
| 85 : | |||
| 86 : | FreeMediaType(mType); | ||
| 87 : | pEnum->Release(); | ||
| 88 : | *ppPin = pPin; | ||
| 89 : | return S_OK; | ||
| 90 : | } | ||
| 91 : | |||
| 92 : | FreeMediaType(mType); | ||
| 93 : | } | ||
| 94 : | } | ||
| 95 : | else { | ||
| 96 : | IEnumMediaTypes *pmEnum; | ||
| 97 : | AM_MEDIA_TYPE *mType =0; | ||
| 98 : | hr = pPin->EnumMediaTypes(&pmEnum); | ||
| 99 : | |||
| 100 : | if (hr == S_OK) { | ||
| 101 : | hr = pmEnum->Reset(); | ||
| 102 : | |||
| 103 : | while (hr == S_OK) { | ||
| 104 : | ULONG lM; | ||
| 105 : | hr = pmEnum->Next(1, &mType, &lM); | ||
| 106 : | |||
| 107 : | if (hr == S_OK && lM ==1) { | ||
| 108 : | if (mType->majortype == MainType && | ||
| 109 : | (SubType == GUID_NULL || SubType == mType->subtype)) { | ||
| 110 : | |||
| 111 : | DeleteMediaType(mType); | ||
| 112 : | pmEnum->Release(); | ||
| 113 : | pEnum->Release(); | ||
| 114 : | *ppPin = pPin; | ||
| 115 : | |||
| 116 : | return S_OK; | ||
| 117 : | } | ||
| 118 : | DeleteMediaType(mType); | ||
| 119 : | } | ||
| 120 : | else if (MainType != GUID_NULL && SubType != GUID_NULL) { | ||
| 121 : | HRESULT hrPom; | ||
| 122 : | if ((hrPom = pPin->QueryAccept(&TestMediaType)) == S_OK) { | ||
| 123 : | pmEnum->Release(); | ||
| 124 : | pEnum->Release(); | ||
| 125 : | *ppPin = pPin; | ||
| 126 : | |||
| 127 : | return S_OK; | ||
| 128 : | } | ||
| 129 : | } | ||
| 130 : | } | ||
| 131 : | pmEnum->Release(); | ||
| 132 : | } | ||
| 133 : | } | ||
| 134 : | } | ||
| 135 : | } | ||
| 136 : | pPin->Release(); | ||
| 137 : | } | ||
| 138 : | pEnum->Release(); | ||
| 139 : | |||
| 140 : | // Did not find a matching pin. | ||
| 141 : | return E_FAIL; | ||
| 142 : | } | ||
| 143 : | |||
| 144 : | HRESULT | ||
| 145 : | GetUnconnectedPin(IBaseFilter *pFilter, PIN_DIRECTION PinDir, | ||
| 146 : | IPin **ppPin, const GUID &MainType, const GUID &SubType) | ||
| 147 : | { | ||
| 148 : | return GetFilterPin(pFilter, PinDir, 0, ppPin, MainType, SubType); | ||
| 149 : | } | ||
| 150 : | |||
| 151 : | HRESULT | ||
| 152 : | ConnectFilters(IGraphBuilder *pGraph, IPin *pOut, IBaseFilter *pDest, | ||
| 153 : | const GUID &MainType, const GUID &SubType, BOOL bConnectDirect) | ||
| 154 : | { | ||
| 155 : | if ((pGraph == NULL) || (pOut == NULL) || (pDest == NULL)) | ||
| 156 : | return E_POINTER; | ||
| 157 : | |||
| 158 : | #ifdef _DEBUG | ||
| 159 : | PIN_DIRECTION PinDir; | ||
| 160 : | pOut->QueryDirection(&PinDir); | ||
| 161 : | _ASSERTE(PinDir == PINDIR_OUTPUT); | ||
| 162 : | #endif | ||
| 163 : | |||
| 164 : | // Find an input pin on the downstream filter. | ||
| 165 : | IPin *pIn = 0; | ||
| 166 : | HRESULT hr = GetUnconnectedPin(pDest, PINDIR_INPUT, &pIn); | ||
| 167 : | if (FAILED(hr)) { | ||
| 168 : | return hr; | ||
| 169 : | } | ||
| 170 : | |||
| 171 : | // Try to connect them. | ||
| 172 : | if (bConnectDirect) | ||
| 173 : | hr = pGraph->ConnectDirect (pOut, pIn, NULL); | ||
| 174 : | else | ||
| 175 : | hr = pGraph->Connect(pOut, pIn); | ||
| 176 : | |||
| 177 : | pIn->Release(); | ||
| 178 : | |||
| 179 : | return hr; | ||
| 180 : | } | ||
| 181 : | |||
| 182 : | HRESULT | ||
| 183 : | ConnectFilters(IGraphBuilder *pGraph, IBaseFilter *pSrc, | ||
| 184 : | IPin *pIn, const GUID &MainType, | ||
| 185 : | const GUID &SubType, BOOL bConnectDirect) | ||
| 186 : | { | ||
| 187 : | if ((pGraph == NULL) || (pIn == NULL) || (pSrc == NULL)) | ||
| 188 : | return E_POINTER; | ||
| 189 : | |||
| 190 : | #ifdef _DEBUG | ||
| 191 : | PIN_DIRECTION PinDir; | ||
| 192 : | pIn->QueryDirection(&PinDir); | ||
| 193 : | _ASSERTE(PinDir == PINDIR_INPUT); | ||
| 194 : | #endif | ||
| 195 : | |||
| 196 : | // Find an input pin on the downstream filter. | ||
| 197 : | IPin *pOut = 0; | ||
| 198 : | HRESULT hr = GetUnconnectedPin(pSrc, PINDIR_OUTPUT, &pOut, MainType, SubType); | ||
| 199 : | if (FAILED(hr)) { | ||
| 200 : | return hr; | ||
| 201 : | } | ||
| 202 : | |||
| 203 : | // Try to connect them. | ||
| 204 : | if (bConnectDirect) | ||
| 205 : | hr = pGraph->ConnectDirect(pOut, pIn, NULL); | ||
| 206 : | else | ||
| 207 : | hr = pGraph->Connect(pOut, pIn); | ||
| 208 : | |||
| 209 : | pOut->Release(); | ||
| 210 : | |||
| 211 : | return hr; | ||
| 212 : | } | ||
| 213 : | |||
| 214 : | HRESULT | ||
| 215 : | ConnectFilters(IGraphBuilder *pGraph, IBaseFilter *pSrc, | ||
| 216 : | IBaseFilter *pDest, const GUID &MainType, | ||
| 217 : | const GUID &SubType, BOOL bConnectDirect) | ||
| 218 : | { | ||
| 219 : | if ((pGraph == NULL) || (pSrc == NULL) || (pDest == NULL)) | ||
| 220 : | return E_POINTER; | ||
| 221 : | |||
| 222 : | // Find an output pin on the first filter. | ||
| 223 : | IPin *pOut = 0; | ||
| 224 : | HRESULT hr = GetUnconnectedPin(pSrc, PINDIR_OUTPUT, &pOut, MainType, SubType); | ||
| 225 : | if (FAILED(hr)) { | ||
| 226 : | return hr; | ||
| 227 : | } | ||
| 228 : | |||
| 229 : | hr = ConnectFilters(pGraph, pOut, pDest, MainType, SubType, bConnectDirect); | ||
| 230 : | |||
| 231 : | pOut->Release(); | ||
| 232 : | |||
| 233 : | return hr; | ||
| 234 : | } | ||
| 235 : | |||
| 236 : | HRESULT | ||
| 237 : | AddDirectXFilterByMoniker(const CLSID &MonikerClsID, char *FriendlyName, | ||
| 238 : | IBaseFilter **pFilter, int StringType) | ||
| 239 : | { | ||
| 240 : | // Create the System Device Enumerator. | ||
| 241 : | HRESULT hr, ret = E_FAIL; | ||
| 242 : | |||
| 243 : | int NameLen = (int) strlen(FriendlyName); | ||
| 244 : | wchar_t *wFcc = new wchar_t [NameLen + 1]; | ||
| 245 : | mbstowcs(wFcc, FriendlyName, NameLen); | ||
| 246 : | ICreateDevEnum *pSysDevEnum = NULL; | ||
| 247 : | |||
| 248 : | hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER, | ||
| 249 : | IID_ICreateDevEnum, (void **)&pSysDevEnum); | ||
| 250 : | if (FAILED(hr)) { | ||
| 251 : | return hr; | ||
| 252 : | } | ||
| 253 : | |||
| 254 : | // Obtain a class enumerator for the video compressor category. | ||
| 255 : | IEnumMoniker *pEnumCat = NULL; | ||
| 256 : | hr = pSysDevEnum->CreateClassEnumerator(MonikerClsID, &pEnumCat, 0); | ||
| 257 : | |||
| 258 : | if (hr == S_OK) | ||
| 259 : | { | ||
| 260 : | // Enumerate the monikers. | ||
| 261 : | IMoniker *pMoniker = NULL; | ||
| 262 : | ULONG cFetched; | ||
| 263 : | |||
| 264 : | while(pEnumCat->Next(1, &pMoniker, &cFetched) == S_OK && FAILED(ret)) | ||
| 265 : | { | ||
| 266 : | IPropertyBag *pPropBag; | ||
| 267 : | hr = pMoniker->BindToStorage(0, 0, IID_IPropertyBag, (void **)&pPropBag); | ||
| 268 : | |||
| 269 : | if (SUCCEEDED(hr)) | ||
| 270 : | { | ||
| 271 : | // To retrieve the filter's friendly name, do the following: | ||
| 272 : | VARIANT varName; | ||
| 273 : | VariantInit(&varName); | ||
| 274 : | |||
| 275 : | if (StringType == 0) | ||
| 276 : | hr = pPropBag->Read(L"FriendlyName", &varName, 0); | ||
| 277 : | else { | ||
| 278 : | hr = pPropBag->Read(L"FccHandler", &varName, 0); | ||
| 279 : | } | ||
| 280 : | |||
| 281 : | if (SUCCEEDED(hr)) { | ||
| 282 : | size_t k; | ||
| 283 : | |||
| 284 : | if (SysStringLen(varName.bstrVal) == (k=strlen(FriendlyName))) { | ||
| 285 : | size_t l, j=1; | ||
| 286 : | |||
| 287 : | for (l=0; l<k; l++) { | ||
| 288 : | if (varName.bstrVal[l] != wFcc[l]) | ||
| 289 : | j=0; | ||
| 290 : | } | ||
| 291 : | |||
| 292 : | if(j==1) { | ||
| 293 : | // Display the name in your UI somehow. | ||
| 294 : | ret = hr = pMoniker->BindToObject(NULL, NULL, IID_IBaseFilter, | ||
| 295 : | (void**)pFilter); | ||
| 296 : | } | ||
| 297 : | } | ||
| 298 : | } | ||
| 299 : | VariantClear(&varName); | ||
| 300 : | pPropBag->Release(); | ||
| 301 : | } | ||
| 302 : | pMoniker->Release(); | ||
| 303 : | } | ||
| 304 : | pEnumCat->Release(); | ||
| 305 : | } | ||
| 306 : | pSysDevEnum->Release(); | ||
| 307 : | |||
| 308 : | delete [] wFcc; | ||
| 309 : | |||
| 310 : | return ret; | ||
| 311 : | } |
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