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1 : | suxen_drol | 888 | /************************************************************************** |
2 : | * | ||
3 : | * XVID DIRECTSHOW FRONTEND -- decoder fitler | ||
4 : | * Copyright (c) 2002 Peter Ross <pross@xvid.org> | ||
5 : | * | ||
6 : | * This program is free software; you can redistribute it and/or modify | ||
7 : | * it under the terms of the GNU General Public License as published by | ||
8 : | * the Free Software Foundation; either version 2 of the License, or | ||
9 : | * (at your option) any later version. | ||
10 : | * | ||
11 : | * This program is distributed in the hope that it will be useful, | ||
12 : | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 : | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 : | * GNU General Public License for more details. | ||
15 : | * | ||
16 : | * You should have received a copy of the GNU General Public License | ||
17 : | * along with this program; if not, write to the Free Software | ||
18 : | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
19 : | * | ||
20 : | *************************************************************************/ | ||
21 : | |||
22 : | /* | ||
23 : | this requires the directx sdk | ||
24 : | place these paths at the top of the Tools|Options|Directories list | ||
25 : | |||
26 : | headers: | ||
27 : | C:\DXVCSDK\include | ||
28 : | C:\DXVCSDK\samples\Multimedia\DirectShow\BaseClasses | ||
29 : | |||
30 : | libraries (optional): | ||
31 : | C:\DXVCSDK\samples\Multimedia\DirectShow\BaseClasses\Release | ||
32 : | */ | ||
33 : | |||
34 : | |||
35 : | |||
36 : | #include <windows.h> | ||
37 : | |||
38 : | #include <streams.h> | ||
39 : | #include <initguid.h> | ||
40 : | #include <olectl.h> | ||
41 : | #if (1100 > _MSC_VER) | ||
42 : | #include <olectlid.h> | ||
43 : | #endif | ||
44 : | #include <dvdmedia.h> // VIDEOINFOHEADER2 | ||
45 : | |||
46 : | #include <xvid.h> // XviD API | ||
47 : | |||
48 : | #include "IXvidDecoder.h" | ||
49 : | #include "CXvidDecoder.h" | ||
50 : | #include "CAbout.h" | ||
51 : | |||
52 : | |||
53 : | const AMOVIESETUP_MEDIATYPE sudInputPinTypes[] = | ||
54 : | { | ||
55 : | { &MEDIATYPE_Video, &CLSID_XVID }, | ||
56 : | { &MEDIATYPE_Video, &CLSID_XVID_UC }, | ||
57 : | { &MEDIATYPE_Video, &CLSID_DIVX }, | ||
58 : | { &MEDIATYPE_Video, &CLSID_DIVX_UC }, | ||
59 : | { &MEDIATYPE_Video, &CLSID_DX50 }, | ||
60 : | { &MEDIATYPE_Video, &CLSID_DX50_UC }, | ||
61 : | }; | ||
62 : | |||
63 : | const AMOVIESETUP_MEDIATYPE sudOutputPinTypes[] = | ||
64 : | { | ||
65 : | { &MEDIATYPE_Video, &MEDIASUBTYPE_NULL } | ||
66 : | }; | ||
67 : | |||
68 : | |||
69 : | const AMOVIESETUP_PIN psudPins[] = | ||
70 : | { | ||
71 : | { | ||
72 : | L"Input", // String pin name | ||
73 : | FALSE, // Is it rendered | ||
74 : | FALSE, // Is it an output | ||
75 : | FALSE, // Allowed none | ||
76 : | FALSE, // Allowed many | ||
77 : | &CLSID_NULL, // Connects to filter | ||
78 : | L"Output", // Connects to pin | ||
79 : | sizeof(sudInputPinTypes) / sizeof(AMOVIESETUP_MEDIATYPE), // Number of types | ||
80 : | &sudInputPinTypes[0] // The pin details | ||
81 : | }, | ||
82 : | { | ||
83 : | L"Output", // String pin name | ||
84 : | FALSE, // Is it rendered | ||
85 : | TRUE, // Is it an output | ||
86 : | FALSE, // Allowed none | ||
87 : | FALSE, // Allowed many | ||
88 : | &CLSID_NULL, // Connects to filter | ||
89 : | L"Input", // Connects to pin | ||
90 : | sizeof(sudOutputPinTypes) / sizeof(AMOVIESETUP_MEDIATYPE), // Number of types | ||
91 : | sudOutputPinTypes // The pin details | ||
92 : | } | ||
93 : | }; | ||
94 : | |||
95 : | |||
96 : | const AMOVIESETUP_FILTER sudXvidDecoder = | ||
97 : | { | ||
98 : | &CLSID_XVID, // Filter CLSID | ||
99 : | XVID_NAME_L, // Filter name | ||
100 : | MERIT_PREFERRED, // Its merit | ||
101 : | sizeof(psudPins) / sizeof(AMOVIESETUP_PIN), // Number of pins | ||
102 : | psudPins // Pin details | ||
103 : | }; | ||
104 : | |||
105 : | |||
106 : | // List of class IDs and creator functions for the class factory. This | ||
107 : | // provides the link between the OLE entry point in the DLL and an object | ||
108 : | // being created. The class factory will call the static CreateInstance | ||
109 : | |||
110 : | CFactoryTemplate g_Templates[] = | ||
111 : | { | ||
112 : | { | ||
113 : | XVID_NAME_L, | ||
114 : | &CLSID_XVID, | ||
115 : | CXvidDecoder::CreateInstance, | ||
116 : | NULL, | ||
117 : | &sudXvidDecoder | ||
118 : | }, | ||
119 : | { | ||
120 : | XVID_NAME_L L"About", | ||
121 : | &CLSID_CABOUT, | ||
122 : | CAbout::CreateInstance | ||
123 : | } | ||
124 : | |||
125 : | }; | ||
126 : | |||
127 : | int g_cTemplates = sizeof(g_Templates) / sizeof(CFactoryTemplate); | ||
128 : | |||
129 : | |||
130 : | |||
131 : | |||
132 : | STDAPI DllRegisterServer() | ||
133 : | { | ||
134 : | return AMovieDllRegisterServer2( TRUE ); | ||
135 : | } | ||
136 : | |||
137 : | |||
138 : | STDAPI DllUnregisterServer() | ||
139 : | { | ||
140 : | return AMovieDllRegisterServer2( FALSE ); | ||
141 : | } | ||
142 : | |||
143 : | |||
144 : | /* create instance */ | ||
145 : | |||
146 : | CUnknown * WINAPI CXvidDecoder::CreateInstance(LPUNKNOWN punk, HRESULT *phr) | ||
147 : | { | ||
148 : | CXvidDecoder * pNewObject = new CXvidDecoder(punk, phr); | ||
149 : | if (pNewObject == NULL) | ||
150 : | { | ||
151 : | *phr = E_OUTOFMEMORY; | ||
152 : | } | ||
153 : | return pNewObject; | ||
154 : | } | ||
155 : | |||
156 : | |||
157 : | /* query interfaces */ | ||
158 : | |||
159 : | STDMETHODIMP CXvidDecoder::NonDelegatingQueryInterface(REFIID riid, void **ppv) | ||
160 : | { | ||
161 : | CheckPointer(ppv, E_POINTER); | ||
162 : | |||
163 : | if (riid == IID_IXvidDecoder) | ||
164 : | { | ||
165 : | return GetInterface((IXvidDecoder *) this, ppv); | ||
166 : | } | ||
167 : | |||
168 : | if (riid == IID_ISpecifyPropertyPages) | ||
169 : | { | ||
170 : | return GetInterface((ISpecifyPropertyPages *) this, ppv); | ||
171 : | } | ||
172 : | |||
173 : | return CVideoTransformFilter::NonDelegatingQueryInterface(riid, ppv); | ||
174 : | } | ||
175 : | |||
176 : | |||
177 : | |||
178 : | /* dummy decore() */ | ||
179 : | |||
180 : | static int dummy_xvid_decore(void * handle, int opt, void * param1, void * param2) | ||
181 : | { | ||
182 : | return XVID_ERR_FAIL; | ||
183 : | } | ||
184 : | |||
185 : | |||
186 : | |||
187 : | /* constructor */ | ||
188 : | |||
189 : | #define XVID_DLL_NAME "xvid.dll" | ||
190 : | #define XVID_GLOBAL_NAME "xvid_global" | ||
191 : | #define XVID_DECORE_NAME "xvid_decore" | ||
192 : | |||
193 : | CXvidDecoder::CXvidDecoder(LPUNKNOWN punk, HRESULT *phr) : | ||
194 : | CVideoTransformFilter(NAME("CXvidDecoder"), punk, CLSID_XVID) | ||
195 : | { | ||
196 : | DPRINTF("Constructor"); | ||
197 : | |||
198 : | m_xvid_decore = dummy_xvid_decore; | ||
199 : | |||
200 : | m_hdll = LoadLibrary(XVID_DLL_NAME); | ||
201 : | if (m_hdll == NULL) { | ||
202 : | DPRINTF("dll load failed"); | ||
203 : | MessageBox(0, XVID_DLL_NAME " not found","Error", 0); | ||
204 : | return; | ||
205 : | } | ||
206 : | |||
207 : | m_xvid_global = (int (__cdecl *)(void *, int, void *, void *))GetProcAddress(m_hdll, XVID_GLOBAL_NAME); | ||
208 : | if (m_xvid_global == NULL) { | ||
209 : | MessageBox(0, XVID_GLOBAL_NAME "() not found", "Error", 0); | ||
210 : | return; | ||
211 : | } | ||
212 : | |||
213 : | m_xvid_decore = (int (__cdecl *)(void *, int, void *, void *))GetProcAddress(m_hdll, XVID_DECORE_NAME); | ||
214 : | if (m_xvid_decore == NULL) { | ||
215 : | MessageBox(0, XVID_DECORE_NAME "() not found", "Error", 0); | ||
216 : | return; | ||
217 : | } | ||
218 : | |||
219 : | xvid_gbl_init_t init; | ||
220 : | memset(&init, 0, sizeof(init)); | ||
221 : | init.version = XVID_VERSION; | ||
222 : | if (m_xvid_global(0, XVID_GBL_INIT, &init, NULL) < 0) | ||
223 : | { | ||
224 : | MessageBox(0, XVID_GLOBAL_NAME "() failed", "Error", 0); | ||
225 : | return; | ||
226 : | } | ||
227 : | |||
228 : | memset(&m_create, 0, sizeof(m_create)); | ||
229 : | m_create.version = XVID_VERSION; | ||
230 : | m_create.handle = NULL; | ||
231 : | |||
232 : | memset(&m_frame, 0, sizeof(m_frame)); | ||
233 : | m_frame.version = XVID_VERSION; | ||
234 : | } | ||
235 : | |||
236 : | |||
237 : | |||
238 : | /* destructor */ | ||
239 : | |||
240 : | CXvidDecoder::~CXvidDecoder() | ||
241 : | { | ||
242 : | DPRINTF("Destructor"); | ||
243 : | |||
244 : | if (m_create.handle != NULL) | ||
245 : | { | ||
246 : | m_xvid_decore(m_create.handle, XVID_DEC_DESTROY, 0, 0); | ||
247 : | m_create.handle = NULL; | ||
248 : | } | ||
249 : | |||
250 : | if (m_hdll != NULL) | ||
251 : | { | ||
252 : | FreeLibrary(m_hdll); | ||
253 : | m_hdll = NULL; | ||
254 : | } | ||
255 : | } | ||
256 : | |||
257 : | |||
258 : | |||
259 : | /* check input type */ | ||
260 : | |||
261 : | HRESULT CXvidDecoder::CheckInputType(const CMediaType * mtIn) | ||
262 : | { | ||
263 : | DPRINTF("CheckInputType"); | ||
264 : | BITMAPINFOHEADER * hdr; | ||
265 : | |||
266 : | if (*mtIn->Type() != MEDIATYPE_Video) | ||
267 : | { | ||
268 : | DPRINTF("Error: Unknown Type"); | ||
269 : | return VFW_E_TYPE_NOT_ACCEPTED; | ||
270 : | } | ||
271 : | |||
272 : | if (*mtIn->FormatType() == FORMAT_VideoInfo) | ||
273 : | { | ||
274 : | VIDEOINFOHEADER * vih = (VIDEOINFOHEADER *) mtIn->Format(); | ||
275 : | hdr = &vih->bmiHeader; | ||
276 : | } | ||
277 : | else if (*mtIn->FormatType() == FORMAT_VideoInfo2) | ||
278 : | { | ||
279 : | VIDEOINFOHEADER2 * vih2 = (VIDEOINFOHEADER2 *) mtIn->Format(); | ||
280 : | hdr = &vih2->bmiHeader; | ||
281 : | } | ||
282 : | else | ||
283 : | { | ||
284 : | DPRINTF("Error: Unknown FormatType"); | ||
285 : | return VFW_E_TYPE_NOT_ACCEPTED; | ||
286 : | } | ||
287 : | |||
288 : | if (hdr->biHeight < 0) | ||
289 : | { | ||
290 : | DPRINTF("colorspace: inverted input format not supported"); | ||
291 : | } | ||
292 : | |||
293 : | m_create.width = hdr->biWidth; | ||
294 : | m_create.height = hdr->biHeight; | ||
295 : | |||
296 : | switch(hdr->biCompression) | ||
297 : | { | ||
298 : | case FOURCC_XVID : | ||
299 : | // case FOURCC_DIVX : | ||
300 : | // case FOURCC_DX50 : | ||
301 : | break; | ||
302 : | |||
303 : | default : | ||
304 : | DPRINTF("Unknown fourcc: 0x%08x (%c%c%c%c)", | ||
305 : | hdr->biCompression, | ||
306 : | (hdr->biCompression)&0xff, | ||
307 : | (hdr->biCompression>>8)&0xff, | ||
308 : | (hdr->biCompression>>16)&0xff, | ||
309 : | (hdr->biCompression>>24)&0xff); | ||
310 : | return VFW_E_TYPE_NOT_ACCEPTED; | ||
311 : | } | ||
312 : | |||
313 : | return S_OK; | ||
314 : | } | ||
315 : | |||
316 : | |||
317 : | #define USE_IYUV | ||
318 : | #define USE_YV12 | ||
319 : | #define USE_YUY2 | ||
320 : | #define USE_YVYU | ||
321 : | #define USE_UYVY | ||
322 : | #define USE_RGB32 | ||
323 : | #define USE_RGB24 | ||
324 : | #define USE_RG555 | ||
325 : | #define USE_RG565 | ||
326 : | |||
327 : | /* get list of supported output colorspaces */ | ||
328 : | |||
329 : | HRESULT CXvidDecoder::GetMediaType(int iPosition, CMediaType *mtOut) | ||
330 : | { | ||
331 : | DPRINTF("GetMediaType"); | ||
332 : | |||
333 : | if (m_pInput->IsConnected() == FALSE) | ||
334 : | { | ||
335 : | return E_UNEXPECTED; | ||
336 : | } | ||
337 : | |||
338 : | VIDEOINFOHEADER * vih = (VIDEOINFOHEADER *) mtOut->ReallocFormatBuffer(sizeof(VIDEOINFOHEADER)); | ||
339 : | if (vih == NULL) | ||
340 : | { | ||
341 : | return E_OUTOFMEMORY; | ||
342 : | } | ||
343 : | |||
344 : | ZeroMemory(vih, sizeof (VIDEOINFOHEADER)); | ||
345 : | vih->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); | ||
346 : | vih->bmiHeader.biWidth = m_create.width; | ||
347 : | vih->bmiHeader.biHeight = m_create.height; | ||
348 : | vih->bmiHeader.biPlanes = 1; | ||
349 : | |||
350 : | if (iPosition < 0) | ||
351 : | { | ||
352 : | return E_INVALIDARG; | ||
353 : | } | ||
354 : | |||
355 : | switch(iPosition) | ||
356 : | { | ||
357 : | case 0 : | ||
358 : | #ifdef USE_IYUV | ||
359 : | vih->bmiHeader.biCompression = MEDIASUBTYPE_IYUV.Data1; | ||
360 : | vih->bmiHeader.biBitCount = 12; | ||
361 : | mtOut->SetSubtype(&MEDIASUBTYPE_IYUV); | ||
362 : | break; | ||
363 : | #endif | ||
364 : | case 1 : | ||
365 : | #ifdef USE_YV12 | ||
366 : | vih->bmiHeader.biCompression = MEDIASUBTYPE_YV12.Data1; | ||
367 : | vih->bmiHeader.biBitCount = 12; | ||
368 : | mtOut->SetSubtype(&MEDIASUBTYPE_YV12); | ||
369 : | break; | ||
370 : | #endif | ||
371 : | case 2: | ||
372 : | #ifdef USE_YUY2 | ||
373 : | vih->bmiHeader.biCompression = MEDIASUBTYPE_YUY2.Data1; | ||
374 : | vih->bmiHeader.biBitCount = 16; | ||
375 : | mtOut->SetSubtype(&MEDIASUBTYPE_YUY2); | ||
376 : | break; | ||
377 : | #endif | ||
378 : | case 3 : | ||
379 : | #ifdef USE_YVYU | ||
380 : | vih->bmiHeader.biCompression = MEDIASUBTYPE_YVYU.Data1; | ||
381 : | vih->bmiHeader.biBitCount = 16; | ||
382 : | mtOut->SetSubtype(&MEDIASUBTYPE_YVYU); | ||
383 : | break; | ||
384 : | #endif | ||
385 : | case 4 : | ||
386 : | #ifdef USE_UYVY | ||
387 : | vih->bmiHeader.biCompression = MEDIASUBTYPE_UYVY.Data1; | ||
388 : | vih->bmiHeader.biBitCount = 16; | ||
389 : | mtOut->SetSubtype(&MEDIASUBTYPE_UYVY); | ||
390 : | break; | ||
391 : | #endif | ||
392 : | case 5 : | ||
393 : | #ifdef USE_RGB32 | ||
394 : | vih->bmiHeader.biCompression = BI_RGB; | ||
395 : | vih->bmiHeader.biBitCount = 32; | ||
396 : | mtOut->SetSubtype(&MEDIASUBTYPE_RGB32); | ||
397 : | break; | ||
398 : | #endif | ||
399 : | case 6 : | ||
400 : | #ifdef USE_RGB24 | ||
401 : | vih->bmiHeader.biCompression = BI_RGB; | ||
402 : | vih->bmiHeader.biBitCount = 24; | ||
403 : | mtOut->SetSubtype(&MEDIASUBTYPE_RGB24); | ||
404 : | break; | ||
405 : | #endif | ||
406 : | case 7 : | ||
407 : | #ifdef USE_RG555 | ||
408 : | vih->bmiHeader.biCompression = BI_RGB; | ||
409 : | vih->bmiHeader.biBitCount = 16; | ||
410 : | mtOut->SetSubtype(&MEDIASUBTYPE_RGB555); | ||
411 : | break; | ||
412 : | #endif | ||
413 : | case 8 : | ||
414 : | #ifdef USE_RG565 | ||
415 : | vih->bmiHeader.biCompression = BI_RGB; | ||
416 : | vih->bmiHeader.biBitCount = 16; | ||
417 : | mtOut->SetSubtype(&MEDIASUBTYPE_RGB565); | ||
418 : | break; | ||
419 : | #endif | ||
420 : | default : | ||
421 : | return VFW_S_NO_MORE_ITEMS; | ||
422 : | } | ||
423 : | |||
424 : | vih->bmiHeader.biSizeImage = GetBitmapSize(&vih->bmiHeader); | ||
425 : | |||
426 : | mtOut->SetType(&MEDIATYPE_Video); | ||
427 : | mtOut->SetFormatType(&FORMAT_VideoInfo); | ||
428 : | mtOut->SetTemporalCompression(FALSE); | ||
429 : | mtOut->SetSampleSize(vih->bmiHeader.biSizeImage); | ||
430 : | |||
431 : | return S_OK; | ||
432 : | } | ||
433 : | |||
434 : | |||
435 : | /* (internal function) change colorspace */ | ||
436 : | |||
437 : | HRESULT CXvidDecoder::ChangeColorspace(GUID subtype, GUID formattype, void * format) | ||
438 : | { | ||
439 : | int rgb_flip; | ||
440 : | |||
441 : | if (formattype == FORMAT_VideoInfo) | ||
442 : | { | ||
443 : | VIDEOINFOHEADER * vih = (VIDEOINFOHEADER * )format; | ||
444 : | m_frame.output.stride[0] = (((vih->bmiHeader.biWidth * vih->bmiHeader.biBitCount) + 31) & ~31) >> 3; | ||
445 : | rgb_flip = (vih->bmiHeader.biHeight < 0 ? 0 : XVID_CSP_VFLIP); | ||
446 : | } | ||
447 : | else if (formattype == FORMAT_VideoInfo2) | ||
448 : | { | ||
449 : | VIDEOINFOHEADER2 * vih2 = (VIDEOINFOHEADER2 * )format; | ||
450 : | m_frame.output.stride[0] = (((vih2->bmiHeader.biWidth * vih2->bmiHeader.biBitCount) + 31) & ~31) >> 3; | ||
451 : | rgb_flip = (vih2->bmiHeader.biHeight < 0 ? 0 : XVID_CSP_VFLIP); | ||
452 : | } | ||
453 : | else | ||
454 : | { | ||
455 : | return S_FALSE; | ||
456 : | } | ||
457 : | |||
458 : | if (subtype == MEDIASUBTYPE_IYUV) | ||
459 : | { | ||
460 : | DPRINTF("IYUV"); | ||
461 : | m_frame.output.csp = XVID_CSP_I420; | ||
462 : | m_frame.output.stride[0] = (m_frame.output.stride[0] * 2) / 3; /* planar format fix */ | ||
463 : | } | ||
464 : | else if (subtype == MEDIASUBTYPE_YV12) | ||
465 : | { | ||
466 : | DPRINTF("YV12"); | ||
467 : | m_frame.output.csp = XVID_CSP_YV12; | ||
468 : | m_frame.output.stride[0] = (m_frame.output.stride[0] * 2) / 3; /* planar format fix */ | ||
469 : | } | ||
470 : | else if (subtype == MEDIASUBTYPE_YUY2) | ||
471 : | { | ||
472 : | DPRINTF("YUY2"); | ||
473 : | m_frame.output.csp = XVID_CSP_YUY2; | ||
474 : | } | ||
475 : | else if (subtype == MEDIASUBTYPE_YVYU) | ||
476 : | { | ||
477 : | DPRINTF("YVYU"); | ||
478 : | m_frame.output.csp = XVID_CSP_YVYU; | ||
479 : | } | ||
480 : | else if (subtype == MEDIASUBTYPE_UYVY) | ||
481 : | { | ||
482 : | DPRINTF("UYVY"); | ||
483 : | m_frame.output.csp = XVID_CSP_UYVY; | ||
484 : | } | ||
485 : | else if (subtype == MEDIASUBTYPE_RGB32) | ||
486 : | { | ||
487 : | DPRINTF("RGB32"); | ||
488 : | m_frame.output.csp = rgb_flip | XVID_CSP_BGRA; | ||
489 : | } | ||
490 : | else if (subtype == MEDIASUBTYPE_RGB24) | ||
491 : | { | ||
492 : | DPRINTF("RGB24"); | ||
493 : | m_frame.output.csp = rgb_flip | XVID_CSP_BGR; | ||
494 : | } | ||
495 : | else if (subtype == MEDIASUBTYPE_RGB555) | ||
496 : | { | ||
497 : | DPRINTF("RGB555"); | ||
498 : | m_frame.output.csp = rgb_flip | XVID_CSP_RGB555; | ||
499 : | } | ||
500 : | else if (subtype == MEDIASUBTYPE_RGB565) | ||
501 : | { | ||
502 : | DPRINTF("RGB565"); | ||
503 : | m_frame.output.csp = rgb_flip | XVID_CSP_RGB565; | ||
504 : | } | ||
505 : | else if (subtype == GUID_NULL) | ||
506 : | { | ||
507 : | m_frame.output.csp = XVID_CSP_NULL; | ||
508 : | } | ||
509 : | else | ||
510 : | { | ||
511 : | return S_FALSE; | ||
512 : | } | ||
513 : | |||
514 : | return S_OK; | ||
515 : | } | ||
516 : | |||
517 : | |||
518 : | /* set output colorspace */ | ||
519 : | |||
520 : | HRESULT CXvidDecoder::SetMediaType(PIN_DIRECTION direction, const CMediaType *pmt) | ||
521 : | { | ||
522 : | DPRINTF("SetMediaType"); | ||
523 : | |||
524 : | if (direction == PINDIR_OUTPUT) | ||
525 : | { | ||
526 : | return ChangeColorspace(*pmt->Subtype(), *pmt->FormatType(), pmt->Format()); | ||
527 : | } | ||
528 : | |||
529 : | return S_OK; | ||
530 : | } | ||
531 : | |||
532 : | |||
533 : | /* check input<->output compatiblity */ | ||
534 : | |||
535 : | HRESULT CXvidDecoder::CheckTransform(const CMediaType *mtIn, const CMediaType *mtOut) | ||
536 : | { | ||
537 : | DPRINTF("CheckTransform"); | ||
538 : | return S_OK; | ||
539 : | } | ||
540 : | |||
541 : | |||
542 : | /* alloc output buffer */ | ||
543 : | |||
544 : | HRESULT CXvidDecoder::DecideBufferSize(IMemAllocator *pAlloc, ALLOCATOR_PROPERTIES *ppropInputRequest) | ||
545 : | { | ||
546 : | DPRINTF("DecideBufferSize"); | ||
547 : | HRESULT result; | ||
548 : | ALLOCATOR_PROPERTIES ppropActual; | ||
549 : | |||
550 : | if (m_pInput->IsConnected() == FALSE) | ||
551 : | { | ||
552 : | return E_UNEXPECTED; | ||
553 : | } | ||
554 : | |||
555 : | ppropInputRequest->cBuffers = 1; | ||
556 : | ppropInputRequest->cbBuffer = m_create.width * m_create.height * 4; | ||
557 : | // cbAlign causes problems with the resize filter */ | ||
558 : | // ppropInputRequest->cbAlign = 16; | ||
559 : | ppropInputRequest->cbPrefix = 0; | ||
560 : | |||
561 : | result = pAlloc->SetProperties(ppropInputRequest, &ppropActual); | ||
562 : | if (result != S_OK) | ||
563 : | { | ||
564 : | return result; | ||
565 : | } | ||
566 : | |||
567 : | if (ppropActual.cbBuffer < ppropInputRequest->cbBuffer) | ||
568 : | { | ||
569 : | return E_FAIL; | ||
570 : | } | ||
571 : | |||
572 : | return S_OK; | ||
573 : | } | ||
574 : | |||
575 : | |||
576 : | /* decode frame */ | ||
577 : | |||
578 : | HRESULT CXvidDecoder::Transform(IMediaSample *pIn, IMediaSample *pOut) | ||
579 : | { | ||
580 : | DPRINTF("Transform"); | ||
581 : | xvid_dec_stats_t stats; | ||
582 : | int length; | ||
583 : | |||
584 : | memset(&stats, 0, sizeof(stats)); | ||
585 : | stats.version = XVID_VERSION; | ||
586 : | |||
587 : | if (m_create.handle == NULL) | ||
588 : | { | ||
589 : | if (m_xvid_decore(0, XVID_DEC_CREATE, &m_create, 0) < 0) | ||
590 : | { | ||
591 : | DPRINTF("*** XVID_DEC_CREATE error"); | ||
592 : | return S_FALSE; | ||
593 : | } | ||
594 : | } | ||
595 : | |||
596 : | AM_MEDIA_TYPE * mtOut; | ||
597 : | pOut->GetMediaType(&mtOut); | ||
598 : | if (mtOut != NULL) | ||
599 : | { | ||
600 : | HRESULT result; | ||
601 : | |||
602 : | result = ChangeColorspace(mtOut->subtype, mtOut->formattype, mtOut->pbFormat); | ||
603 : | DeleteMediaType(mtOut); | ||
604 : | |||
605 : | if (result != S_OK) | ||
606 : | { | ||
607 : | DPRINTF("*** ChangeColorspace error"); | ||
608 : | return result; | ||
609 : | } | ||
610 : | } | ||
611 : | |||
612 : | m_frame.length = pIn->GetActualDataLength(); | ||
613 : | if (pIn->GetPointer((BYTE**)&m_frame.bitstream) != S_OK) | ||
614 : | { | ||
615 : | return S_FALSE; | ||
616 : | } | ||
617 : | |||
618 : | if (pOut->GetPointer((BYTE**)&m_frame.output.plane[0]) != S_OK) | ||
619 : | { | ||
620 : | return S_FALSE; | ||
621 : | } | ||
622 : | |||
623 : | m_frame.general = XVID_LOWDELAY; | ||
624 : | if (pIn->IsDiscontinuity() == S_OK) | ||
625 : | m_frame.general = XVID_DISCONTINUITY; | ||
626 : | |||
627 : | repeat : | ||
628 : | |||
629 : | if (pIn->IsPreroll() != S_OK) | ||
630 : | { | ||
631 : | length = m_xvid_decore(m_create.handle, XVID_DEC_DECODE, &m_frame, &stats); | ||
632 : | if (length < 0) | ||
633 : | { | ||
634 : | DPRINTF("*** XVID_DEC_DECODE"); | ||
635 : | return S_FALSE; | ||
636 : | } | ||
637 : | } | ||
638 : | else | ||
639 : | { | ||
640 : | int tmp = m_frame.output.csp; | ||
641 : | m_frame.output.csp = XVID_CSP_NULL; | ||
642 : | |||
643 : | length = m_xvid_decore(m_create.handle, XVID_DEC_DECODE, &m_frame, &stats); | ||
644 : | if (length < 0) | ||
645 : | { | ||
646 : | DPRINTF("*** XVID_DEC_DECODE"); | ||
647 : | return S_FALSE; | ||
648 : | } | ||
649 : | |||
650 : | m_frame.output.csp = tmp; | ||
651 : | } | ||
652 : | |||
653 : | if (stats.type == XVID_TYPE_VOL) | ||
654 : | { | ||
655 : | if (stats.data.vol.width != m_create.width || | ||
656 : | stats.data.vol.height != m_create.height) | ||
657 : | { | ||
658 : | DPRINTF("TODO: auto-resize"); | ||
659 : | return S_FALSE; | ||
660 : | } | ||
661 : | |||
662 : | m_frame.bitstream = (BYTE*)m_frame.bitstream + length; | ||
663 : | m_frame.length -= length; | ||
664 : | goto repeat; | ||
665 : | } | ||
666 : | |||
667 : | return S_OK; | ||
668 : | } | ||
669 : | |||
670 : | |||
671 : | /* get property page list */ | ||
672 : | |||
673 : | STDMETHODIMP CXvidDecoder::GetPages(CAUUID * pPages) | ||
674 : | { | ||
675 : | DPRINTF("GetPages"); | ||
676 : | |||
677 : | pPages->cElems = 1; | ||
678 : | pPages->pElems = (GUID *)CoTaskMemAlloc(pPages->cElems * sizeof(GUID)); | ||
679 : | if (pPages->pElems == NULL) | ||
680 : | { | ||
681 : | return E_OUTOFMEMORY; | ||
682 : | } | ||
683 : | pPages->pElems[0] = CLSID_CABOUT; | ||
684 : | |||
685 : | return S_OK; | ||
686 : | } | ||
687 : | |||
688 : | |||
689 : | /* cleanup pages */ | ||
690 : | |||
691 : | STDMETHODIMP CXvidDecoder::FreePages(CAUUID * pPages) | ||
692 : | { | ||
693 : | DPRINTF("FreePages"); | ||
694 : | CoTaskMemFree(pPages->pElems); | ||
695 : | return S_OK; | ||
696 : | } |
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