dlls/winegstreamer/gstdemux.c

   1 /*
   2  * GStreamer splitter + decoder, adapted from parser.c
   3  *
   4  * Copyright 2010 Maarten Lankhorst for CodeWeavers
   5  * Copyright 2010 Aric Stewart for CodeWeavers
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include "config.h"
  23 #include <gst/app/gstappsink.h>
  24 #include <gst/app/gstappsrc.h>
  25 #include <gst/app/gstappbuffer.h>
  26 #include <gst/gstutils.h>
  27
  28 #include "gst_private.h"
  29 #include "gst_guids.h"
  30
  31 #include "vfwmsgs.h"
  32 #include "amvideo.h"
  33
  34 #include "wine/unicode.h"
  35 #include "wine/debug.h"
  36
  37 #include <assert.h>
  38
  39 #include "dvdmedia.h"
  40 #include "mmreg.h"
  41 #include "ks.h"
  42 #include "initguid.h"
  43 #include "ksmedia.h"
  44
  45 WINE_DEFAULT_DEBUG_CHANNEL(gstreamer);
  46
  47 typedef struct GSTOutPin GSTOutPin;
  48 typedef struct GSTInPin {
  49     BasePin pin;
  50     IAsyncReader *pReader;
  51     IMemAllocator *pAlloc;
  52 } GSTInPin;
  53
  54 typedef struct GSTImpl {
  55     BaseFilter filter;
  56
  57     GSTInPin pInputPin;
  58     GSTOutPin **ppPins;
  59     LONG cStreams;
  60
  61     LONGLONG filesize;
  62
  63     BOOL discont, initial;
  64     GstElement *gstfilter;
  65     GstPad *my_src, *their_sink;
  66     GstBus *bus;
  67     guint64 start, nextofs, nextpullofs, stop;
  68     ALLOCATOR_PROPERTIES props;
  69     HANDLE event, changed_ofs;
  70
  71     HANDLE push_thread;
  72 } GSTImpl;
  73
  74 struct GSTOutPin {
  75     BaseOutputPin pin;
  76
  77     GstPad *their_src;
  78     GstPad *my_sink;
  79     int isaud, isvid;
  80     AM_MEDIA_TYPE * pmt;
  81     HANDLE caps_event;
  82     GstSegment *segment;
  83     QualityControlImpl qcimpl;
  84     SourceSeeking seek;
  85 };
  86
  87 static const WCHAR wcsInputPinName[] = {'i','n','p','u','t',' ','p','i','n',0};
  88 static const IMediaSeekingVtbl GST_Seeking_Vtbl;
  89 static const IPinVtbl GST_OutputPin_Vtbl;
  90 static const IPinVtbl GST_InputPin_Vtbl;
  91 static const IBaseFilterVtbl GST_Vtbl;
  92 static const IQualityControlVtbl GSTOutPin_QualityControl_Vtbl;
  93
  94 static HRESULT GST_AddPin(GSTImpl *This, const PIN_INFO *piOutput, const AM_MEDIA_TYPE *amt);
  95 static HRESULT GST_RemoveOutputPins(GSTImpl *This);
  96 static HRESULT WINAPI GST_ChangeCurrent(IMediaSeeking *iface);
  97 static HRESULT WINAPI GST_ChangeStop(IMediaSeeking *iface);
  98 static HRESULT WINAPI GST_ChangeRate(IMediaSeeking *iface);
  99
 100 static int amt_from_gst_caps_audio(GstCaps *caps, AM_MEDIA_TYPE *amt) {
 101     WAVEFORMATEXTENSIBLE *wfe;
 102     WAVEFORMATEX *wfx;
 103     GstStructure *arg;
 104     gint32 depth = 0, bpp = 0;
 105     const char *typename;
 106     arg = gst_caps_get_structure(caps, 0);
 107     typename = gst_structure_get_name(arg);
 108     if (!typename)
 109         return 0;
 110
 111     wfe = CoTaskMemAlloc(sizeof(*wfe));
 112     wfx = (WAVEFORMATEX*)wfe;
 113     amt->majortype = MEDIATYPE_Audio;
 114     amt->subtype = MEDIASUBTYPE_PCM;
 115     amt->formattype = FORMAT_WaveFormatEx;
 116     amt->pbFormat = (BYTE*)wfe;
 117     amt->cbFormat = sizeof(*wfe);
 118     amt->bFixedSizeSamples = 0;
 119     amt->bTemporalCompression = 1;
 120     amt->lSampleSize = 0;
 121     amt->pUnk = NULL;
 122
 123     wfx->wFormatTag = WAVE_FORMAT_EXTENSIBLE;
 124     if (!gst_structure_get_int(arg, "channels", (INT*)&wfx->nChannels))
 125         return 0;
 126     if (!gst_structure_get_int(arg, "rate", (INT*)&wfx->nSamplesPerSec))
 127         return 0;
 128     gst_structure_get_int(arg, "width", &depth);
 129     gst_structure_get_int(arg, "depth", &bpp);
 130     if (!depth || depth > 32 || depth % 8)
 131         depth = bpp;
 132     else if (!bpp)
 133         bpp = depth;
 134     wfe->Samples.wValidBitsPerSample = depth;
 135     wfx->wBitsPerSample = bpp;
 136     wfx->cbSize = sizeof(*wfe)-sizeof(*wfx);
 137     switch (wfx->nChannels) {
 138         case 1: wfe->dwChannelMask = KSAUDIO_SPEAKER_MONO; break;
 139         case 2: wfe->dwChannelMask = KSAUDIO_SPEAKER_STEREO; break;
 140         case 4: wfe->dwChannelMask = KSAUDIO_SPEAKER_SURROUND; break;
 141         case 5: wfe->dwChannelMask = (KSAUDIO_SPEAKER_5POINT1 & ~SPEAKER_LOW_FREQUENCY); break;
 142         case 6: wfe->dwChannelMask = KSAUDIO_SPEAKER_5POINT1; break;
 143         case 8: wfe->dwChannelMask = KSAUDIO_SPEAKER_7POINT1; break;
 144         default:
 145         wfe->dwChannelMask = 0;
 146     }
 147     if (!strcmp(typename, "audio/x-raw-float")) {
 148         wfe->SubFormat = KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
 149         wfx->wBitsPerSample = wfe->Samples.wValidBitsPerSample = 32;
 150     } else
 151         wfe->SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
 152     wfx->nBlockAlign = wfx->nChannels * wfx->wBitsPerSample/8;
 153     wfx->nAvgBytesPerSec = wfx->nSamplesPerSec * wfx->nBlockAlign;
 154     return 1;
 155 }
 156
 157 static int amt_from_gst_caps_video(GstCaps *caps, AM_MEDIA_TYPE *amt) {
 158     VIDEOINFOHEADER *vih = CoTaskMemAlloc(sizeof(*vih));
 159     BITMAPINFOHEADER *bih = &vih->bmiHeader;
 160     GstStructure *arg;
 161     gint32 width = 0, height = 0, nom = 0, denom = 0;
 162     const char *typename;
 163     arg = gst_caps_get_structure(caps, 0);
 164     typename = gst_structure_get_name(arg);
 165     if (!typename)
 166         return 0;
 167     if (!gst_structure_get_int(arg, "width", &width) ||
 168         !gst_structure_get_int(arg, "height", &height) ||
 169         !gst_structure_get_fraction(arg, "framerate", &nom, &denom))
 170         return 0;
 171     amt->formattype = FORMAT_VideoInfo;
 172     amt->pbFormat = (BYTE*)vih;
 173     amt->cbFormat = sizeof(*vih);
 174     amt->bFixedSizeSamples = amt->bTemporalCompression = 1;
 175     amt->lSampleSize = 0;
 176     amt->pUnk = NULL;
 177     ZeroMemory(vih, sizeof(*vih));
 178     amt->majortype = MEDIATYPE_Video;
 179     if (!strcmp(typename, "video/x-raw-rgb")) {
 180         if (!gst_structure_get_int(arg, "bpp", (INT*)&bih->biBitCount))
 181             return 0;
 182         switch (bih->biBitCount) {
 183             case 16: amt->subtype = MEDIASUBTYPE_RGB555; break;
 184             case 24: amt->subtype = MEDIASUBTYPE_RGB24; break;
 185             case 32: amt->subtype = MEDIASUBTYPE_RGB32; break;
 186             default:
 187                 FIXME("Unknown bpp %u\n", bih->biBitCount);
 188                 return 0;
 189         }
 190         bih->biCompression = BI_RGB;
 191     } else {
 192         amt->subtype = MEDIATYPE_Video;
 193         if (!gst_structure_get_fourcc(arg, "format", &amt->subtype.Data1))
 194             return 0;
 195         switch (amt->subtype.Data1) {
 196             case mmioFOURCC('I','4','2','0'):
 197             case mmioFOURCC('Y','V','1','2'):
 198             case mmioFOURCC('N','V','1','2'):
 199             case mmioFOURCC('N','V','2','1'):
 200                 bih->biBitCount = 12; break;
 201             case mmioFOURCC('Y','U','Y','2'):
 202             case mmioFOURCC('Y','V','Y','U'):
 203                 bih->biBitCount = 16; break;
 204         }
 205         bih->biCompression = amt->subtype.Data1;
 206     }
 207     bih->biSizeImage = width * height * bih->biBitCount / 8;
 208     vih->AvgTimePerFrame = 10000000;
 209     vih->AvgTimePerFrame *= denom;
 210     vih->AvgTimePerFrame /= nom;
 211     vih->rcSource.left = 0;
 212     vih->rcSource.right = width;
 213     vih->rcSource.top = height;
 214     vih->rcSource.bottom = 0;
 215     vih->rcTarget = vih->rcSource;
 216     bih->biSize = sizeof(*bih);
 217     bih->biWidth = width;
 218     bih->biHeight = height;
 219     bih->biPlanes = 1;
 220     return 1;
 221 }
 222
 223 static gboolean accept_caps_sink(GstPad *pad, GstCaps *caps) {
 224     GSTOutPin *pin = gst_pad_get_element_private(pad);
 225     AM_MEDIA_TYPE amt;
 226     GstStructure *arg;
 227     const char *typename;
 228     int ret;
 229     arg = gst_caps_get_structure(caps, 0);
 230     typename = gst_structure_get_name(arg);
 231     if (!strcmp(typename, "audio/x-raw-int") ||
 232         !strcmp(typename, "audio/x-raw-float")) {
 233         if (!pin->isaud) {
 234             ERR("Setting audio caps on non-audio pad?\n");
 235             return 0;
 236         }
 237         ret = amt_from_gst_caps_audio(caps, &amt);
 238         FreeMediaType(&amt);
 239         TRACE("+%i\n", ret);
 240         return ret;
 241     } else if (!strcmp(typename, "video/x-raw-rgb")
 242                || !strcmp(typename, "video/x-raw-yuv")) {
 243         if (!pin->isvid) {
 244             ERR("Setting video caps on non-video pad?\n");
 245             return 0;
 246         }
 247         ret = amt_from_gst_caps_video(caps, &amt);
 248         FreeMediaType(&amt);
 249         TRACE("-%i\n", ret);
 250         return ret;
 251     } else {
 252         FIXME("Unhandled type \"%s\"\n", typename);
 253         return 0;
 254     }
 255 }
 256
 257 static gboolean setcaps_sink(GstPad *pad, GstCaps *caps) {
 258     GSTOutPin *pin = gst_pad_get_element_private(pad);
 259     GSTImpl *This = (GSTImpl *)pin->pin.pin.pinInfo.pFilter;
 260     AM_MEDIA_TYPE amt;
 261     GstStructure *arg;
 262     const char *typename;
 263     int ret;
 264     arg = gst_caps_get_structure(caps, 0);
 265     typename = gst_structure_get_name(arg);
 266     if (!strcmp(typename, "audio/x-raw-int") ||
 267         !strcmp(typename, "audio/x-raw-float")) {
 268         if (!pin->isaud) {
 269             ERR("Setting audio caps on non-audio pad?\n");
 270             return 0;
 271         }
 272         ret = amt_from_gst_caps_audio(caps, &amt);
 273     } else if (!strcmp(typename, "video/x-raw-rgb")
 274                || !strcmp(typename, "video/x-raw-yuv")) {
 275         if (!pin->isvid) {
 276             ERR("Setting video caps on non-video pad?\n");
 277             return 0;
 278         }
 279         ret = amt_from_gst_caps_video(caps, &amt);
 280         if (ret)
 281             This->props.cbBuffer = max(This->props.cbBuffer, ((VIDEOINFOHEADER*)amt.pbFormat)->bmiHeader.biSizeImage);
 282     } else {
 283         FIXME("Unhandled type \"%s\"\n", typename);
 284         return 0;
 285     }
 286     TRACE("Linking returned %i for %s\n", ret, typename);
 287     if (!ret)
 288         return 0;
 289     FreeMediaType(pin->pmt);
 290     *pin->pmt = amt;
 291     return 1;
 292 }
 293
 294 static gboolean gst_base_src_perform_seek(GSTImpl *This, GstEvent *event)
 295 {
 296     gboolean res = TRUE;
 297     gdouble rate;
 298     GstFormat seek_format;
 299     GstSeekFlags flags;
 300     GstSeekType cur_type, stop_type;
 301     gint64 cur, stop;
 302     gboolean flush;
 303     guint32 seqnum;
 304     GstEvent *tevent;
 305     BOOL thread = !!This->push_thread;
 306
 307     gst_event_parse_seek(event, &rate, &seek_format, &flags,
 308                          &cur_type, &cur, &stop_type, &stop);
 309
 310     if (seek_format != GST_FORMAT_BYTES) {
 311         FIXME("Not handling other format %i\n", seek_format);
 312         return 0;
 313     }
 314
 315     flush = flags & GST_SEEK_FLAG_FLUSH;
 316     seqnum = gst_event_get_seqnum(event);
 317
 318     /* send flush start */
 319     if (flush) {
 320         tevent = gst_event_new_flush_start();
 321         gst_event_set_seqnum(tevent, seqnum);
 322         gst_pad_push_event(This->my_src, tevent);
 323         if (This->pInputPin.pReader)
 324             IAsyncReader_BeginFlush(This->pInputPin.pReader);
 325         if (thread)
 326             gst_pad_activate_push(This->my_src, 0);
 327     }
 328
 329     TRACE("++++++++++++++++ perform byte seek ------------------\n");
 330
 331     /* and prepare to continue streaming */
 332     if (flush) {
 333         tevent = gst_event_new_flush_stop();
 334         gst_event_set_seqnum(tevent, seqnum);
 335         gst_pad_push_event(This->my_src, tevent);
 336         if (This->pInputPin.pReader)
 337             IAsyncReader_EndFlush(This->pInputPin.pReader);
 338         if (thread)
 339             gst_pad_activate_push(This->my_src, 1);
 340     }
 341
 342     return res;
 343 }
 344
 345 static gboolean event_src(GstPad *pad, GstEvent *event) {
 346     GSTImpl *This = gst_pad_get_element_private(pad);
 347     switch (event->type) {
 348         case GST_EVENT_SEEK:
 349             return gst_base_src_perform_seek(This, event);
 350         case GST_EVENT_FLUSH_START:
 351             EnterCriticalSection(&This->filter.csFilter);
 352             if (This->pInputPin.pReader)
 353                 IAsyncReader_BeginFlush(This->pInputPin.pReader);
 354             LeaveCriticalSection(&This->filter.csFilter);
 355             break;
 356         case GST_EVENT_FLUSH_STOP:
 357             EnterCriticalSection(&This->filter.csFilter);
 358             if (This->pInputPin.pReader)
 359                 IAsyncReader_EndFlush(This->pInputPin.pReader);
 360             LeaveCriticalSection(&This->filter.csFilter);
 361             break;
 362         default:
 363             FIXME("%p stub\n", event);
 364             return gst_pad_event_default(pad, event);
 365     }
 366     return 1;
 367 }
 368
 369 static gboolean event_sink(GstPad *pad, GstEvent *event) {
 370     GSTOutPin *pin = gst_pad_get_element_private(pad);
 371     switch (event->type) {
 372         case GST_EVENT_NEWSEGMENT: {
 373             gboolean update;
 374             gdouble rate, applied_rate;
 375             GstFormat format;
 376             gint64 start, stop, pos;
 377             gst_event_parse_new_segment_full(event, &update, &rate, &applied_rate, &format, &start, &stop, &pos);
 378             if (format != GST_FORMAT_TIME) {
 379                 FIXME("Ignoring new segment because of format %i\n", format);
 380                 return 1;
 381             }
 382             gst_segment_set_newsegment_full(pin->segment, update, rate, applied_rate, format, start, stop, pos);
 383             pos /= 100;
 384             if (stop > 0)
 385                 stop /= 100;
 386             if (pin->pin.pin.pConnectedTo)
 387                 IPin_NewSegment(pin->pin.pin.pConnectedTo, pos, stop, rate*applied_rate);
 388             return 1;
 389         }
 390         case GST_EVENT_EOS:
 391             if (pin->pin.pin.pConnectedTo)
 392                 IPin_EndOfStream(pin->pin.pin.pConnectedTo);
 393             return 1;
 394         case GST_EVENT_FLUSH_START:
 395             if (pin->pin.pin.pConnectedTo)
 396                 IPin_BeginFlush(pin->pin.pin.pConnectedTo);
 397             return 1;
 398         case GST_EVENT_FLUSH_STOP:
 399             if (pin->pin.pin.pConnectedTo)
 400                 IPin_EndFlush(pin->pin.pin.pConnectedTo);
 401             gst_segment_init(pin->segment, GST_FORMAT_TIME);
 402             return 1;
 403         default:
 404             FIXME("%p stub %s\n", event, gst_event_type_get_name(event->type));
 405             return gst_pad_event_default(pad, event);
 406     }
 407 }
 408
 409 static void release_sample(void *data) {
 410     ULONG ret;
 411     ret = IMediaSample_Release((IMediaSample *)data);
 412     TRACE("Releasing %p returns %u\n", data, ret);
 413 }
 414
 415 static DWORD CALLBACK push_data(LPVOID iface) {
 416     LONGLONG maxlen, curlen;
 417     GSTImpl *This = iface;
 418     IMediaSample *buf;
 419     DWORD_PTR user;
 420     HRESULT hr;
 421
 422     IAsyncReader_Length(This->pInputPin.pReader, &maxlen, &curlen);
 423     TRACE("Starting..\n");
 424     for (;;) {
 425         REFERENCE_TIME tStart, tStop;
 426         ULONG len;
 427         GstBuffer *gstbuf;
 428         BYTE *data;
 429         int ret;
 430
 431         hr = IMemAllocator_GetBuffer(This->pInputPin.pAlloc, &buf, NULL, NULL, 0);
 432         if (FAILED(hr))
 433             break;
 434
 435         if (This->nextofs >= maxlen)
 436             break;
 437         len = IMediaSample_GetSize(buf);
 438         if (This->nextofs + len > maxlen)
 439             len = maxlen - This->nextofs;
 440
 441         tStart = MEDIATIME_FROM_BYTES(This->nextofs);
 442         tStop = tStart + MEDIATIME_FROM_BYTES(len);
 443         IMediaSample_SetTime(buf, &tStart, &tStop);
 444
 445         hr = IAsyncReader_Request(This->pInputPin.pReader, buf, 0);
 446         if (FAILED(hr)) {
 447             IMediaSample_Release(buf);
 448             break;
 449         }
 450         This->nextofs += len;
 451         hr = IAsyncReader_WaitForNext(This->pInputPin.pReader, -1, &buf, &user);
 452         if (FAILED(hr) || !buf) {
 453             if (buf)
 454                 IMediaSample_Release(buf);
 455             break;
 456         }
 457
 458         IMediaSample_GetPointer(buf, &data);
 459         gstbuf = gst_app_buffer_new(data, IMediaSample_GetActualDataLength(buf), release_sample, buf);
 460         if (!gstbuf) {
 461             IMediaSample_Release(buf);
 462             break;
 463         }
 464         gstbuf->duration = gstbuf->timestamp = -1;
 465         ret = gst_pad_push(This->my_src, gstbuf);
 466         if (ret >= 0)
 467             hr = S_OK;
 468         else
 469             ERR("Sending returned: %i\n", ret);
 470         if (ret == GST_FLOW_ERROR)
 471             hr = E_FAIL;
 472         else if (ret == GST_FLOW_WRONG_STATE)
 473             hr = VFW_E_WRONG_STATE;
 474         else if (ret == GST_FLOW_RESEND)
 475             hr = S_FALSE;
 476         if (hr != S_OK)
 477             break;
 478     }
 479
 480     gst_pad_push_event(This->my_src, gst_event_new_eos());
 481
 482     TRACE("Almost stopping.. %08x\n", hr);
 483     do {
 484         IAsyncReader_WaitForNext(This->pInputPin.pReader, 0, &buf, &user);
 485         if (buf)
 486             IMediaSample_Release(buf);
 487     } while (buf);
 488
 489     TRACE("Stopping.. %08x\n", hr);
 490     return 0;
 491 }
 492
 493 static HRESULT WINAPI GST_OutPin_QueryAccept(IPin *iface, const AM_MEDIA_TYPE *pmt) {
 494     GSTOutPin *pin = (GSTOutPin*)iface;
 495     FIXME("stub %p\n", pin);
 496     return S_OK;
 497 }
 498
 499 static GstFlowReturn got_data_sink(GstPad *pad, GstBuffer *buf) {
 500     GSTOutPin *pin = gst_pad_get_element_private(pad);
 501     GSTImpl *This = (GSTImpl *)pin->pin.pin.pinInfo.pFilter;
 502     IMediaSample *sample;
 503     HRESULT hr;
 504     BOOL freeSamp = FALSE;
 505
 506     if (This->initial) {
 507         gst_buffer_unref(buf);
 508         FIXME("Triggering %p %p\n", pad, pin->caps_event);
 509         SetEvent(pin->caps_event);
 510         return GST_FLOW_NOT_LINKED;
 511     }
 512
 513     if (GST_IS_APP_BUFFER(buf)) {
 514         sample = GST_APP_BUFFER(buf)->priv;
 515         TRACE("Pushing buffer\n");
 516     } else if (buf->parent && GST_IS_APP_BUFFER(buf->parent)) {
 517         sample = GST_APP_BUFFER(buf->parent)->priv;
 518         TRACE("Pushing sub-buffer\n");
 519     } else {
 520         BYTE *ptr = NULL;
 521         hr = BaseOutputPinImpl_GetDeliveryBuffer(&pin->pin, &sample, NULL, NULL, 0);
 522         if (hr == VFW_E_NOT_CONNECTED) {
 523             gst_buffer_unref(buf);
 524             return GST_FLOW_NOT_LINKED;
 525         }
 526         if (FAILED(hr)) {
 527             gst_buffer_unref(buf);
 528             ERR("Didn't get a GST_APP_BUFFER, and could not get a delivery buffer (%x), returning GST_FLOW_WRONG_STATE\n", hr);
 529             return GST_FLOW_WRONG_STATE;
 530         }
 531         FIXME("Did not get a GST_APP_BUFFER, creating a sample\n");
 532         IMediaSample_SetActualDataLength(sample, GST_BUFFER_SIZE(buf));
 533         IMediaSample_GetPointer(sample, &ptr);
 534         memcpy(ptr, GST_BUFFER_DATA(buf), GST_BUFFER_SIZE(buf));
 535     }
 536
 537     if (GST_BUFFER_TIMESTAMP_IS_VALID(buf)) {
 538         REFERENCE_TIME rtStart = gst_segment_to_running_time(pin->segment, GST_FORMAT_TIME, buf->timestamp);
 539         if (rtStart >= 0)
 540             rtStart /= 100;
 541
 542         if (GST_BUFFER_DURATION_IS_VALID(buf)) {
 543             REFERENCE_TIME tStart = buf->timestamp / 100;
 544             REFERENCE_TIME tStop = (buf->timestamp + buf->duration) / 100;
 545             REFERENCE_TIME rtStop;
 546             rtStop = gst_segment_to_running_time(pin->segment, GST_FORMAT_TIME, buf->timestamp + buf->duration);
 547             if (rtStop >= 0)
 548                 rtStop /= 100;
 549             TRACE("Current time on %p: %i to %i ms\n", pin, (int)(rtStart / 10000), (int)(rtStop / 10000));
 550             IMediaSample_SetTime(sample, &rtStart, rtStop >= 0 ? &rtStop : NULL);
 551             IMediaSample_SetMediaTime(sample, &tStart, &tStop);
 552         } else {
 553             IMediaSample_SetTime(sample, rtStart >= 0 ? &rtStart : NULL, NULL);
 554             IMediaSample_SetMediaTime(sample, NULL, NULL);
 555         }
 556     } else {
 557         IMediaSample_SetTime(sample, NULL, NULL);
 558         IMediaSample_SetMediaTime(sample, NULL, NULL);
 559     }
 560
 561     IMediaSample_SetDiscontinuity(sample, GST_BUFFER_FLAG_IS_SET(buf, GST_BUFFER_FLAG_DISCONT));
 562     IMediaSample_SetPreroll(sample, GST_BUFFER_FLAG_IS_SET(buf, GST_BUFFER_FLAG_PREROLL));
 563     IMediaSample_SetSyncPoint(sample, !GST_BUFFER_FLAG_IS_SET(buf, GST_BUFFER_FLAG_DELTA_UNIT));
 564
 565     if (!pin->pin.pin.pConnectedTo)
 566         hr = VFW_E_NOT_CONNECTED;
 567     else
 568         hr = IMemInputPin_Receive(pin->pin.pMemInputPin, sample);
 569     TRACE("sending sample: %08x\n", hr);
 570     gst_buffer_unref(buf);
 571     if (freeSamp)
 572         IMediaSample_Release(sample);
 573     if (hr == VFW_E_NOT_CONNECTED)
 574         return GST_FLOW_NOT_LINKED;
 575     else if (FAILED(hr))
 576         return GST_FLOW_WRONG_STATE;
 577     if (hr != S_OK)
 578         return GST_FLOW_RESEND;
 579     return GST_FLOW_OK;
 580 }
 581
 582 static GstFlowReturn request_buffer_sink(GstPad *pad, guint64 ofs, guint size, GstCaps *caps, GstBuffer **buf) {
 583     GSTOutPin *pin = gst_pad_get_element_private(pad);
 584     GSTImpl *This = (GSTImpl *)pin->pin.pin.pinInfo.pFilter;
 585     IMediaSample *sample;
 586     BYTE *ptr;
 587     HRESULT hr;
 588
 589     TRACE("Requesting buffer\n");
 590     if (This->initial) {
 591         int ret;
 592         ret = setcaps_sink(pad, caps);
 593         if (!ret)
 594             return GST_FLOW_NOT_NEGOTIATED;
 595         *buf = gst_buffer_new_and_alloc(size);
 596         return GST_FLOW_OK;
 597     }
 598
 599     if (caps && caps != GST_PAD_CAPS(pad))
 600         if (!setcaps_sink(pad, caps))
 601             return GST_FLOW_NOT_NEGOTIATED;
 602
 603     hr = BaseOutputPinImpl_GetDeliveryBuffer(&pin->pin, &sample, NULL, NULL, 0);
 604     if (hr == VFW_E_NOT_CONNECTED)
 605         return GST_FLOW_NOT_LINKED;
 606     if (FAILED(hr)) {
 607         ERR("Could not get output buffer: %08x\n", hr);
 608         *buf = NULL;
 609         return GST_FLOW_WRONG_STATE;
 610     }
 611     IMediaSample_SetActualDataLength(sample, size);
 612     IMediaSample_GetPointer(sample, &ptr);
 613     *buf = gst_app_buffer_new(ptr, size, release_sample, sample);
 614     if (!*buf) {
 615         IMediaSample_Release(sample);
 616         ERR("Out of memory\n");
 617         return GST_FLOW_ERROR;
 618     }
 619     gst_buffer_set_caps(*buf, caps);
 620     return GST_FLOW_OK;
 621 }
 622
 623 static GstFlowReturn request_buffer_src(GstPad *pad, guint64 ofs, guint len, GstBuffer **buf) {
 624     GSTImpl *This = gst_pad_get_element_private(pad);
 625     int ret;
 626
 627     *buf = NULL;
 628     TRACE("Requesting %s %u\n", wine_dbgstr_longlong(ofs), len);
 629     if (ofs == (guint64)-1)
 630         ofs = This->nextpullofs;
 631     if (ofs >= This->filesize) {
 632         WARN("Reading past eof: %s, %u\n", wine_dbgstr_longlong(ofs), len);
 633         return GST_FLOW_UNEXPECTED;
 634     }
 635     if (len + ofs > This->filesize)
 636         len = This->filesize - ofs;
 637     This->nextpullofs = ofs + len;
 638
 639     ret = gst_pad_alloc_buffer(This->my_src, ofs, len, NULL, buf);
 640     if (ret >= 0) {
 641         HRESULT hr;
 642         hr = IAsyncReader_SyncRead(This->pInputPin.pReader, ofs, len, GST_BUFFER_DATA(*buf));
 643         if (FAILED(hr)) {
 644             ERR("Returned %08x\n", hr);
 645             return GST_FLOW_ERROR;
 646         }
 647     }
 648     return ret;
 649 }
 650
 651 static DWORD CALLBACK push_data_init(LPVOID iface) {
 652     GSTImpl *This = iface;
 653     DWORD64 ofs = 0;
 654
 655     TRACE("Starting..\n");
 656     for (;;) {
 657         GstBuffer *buf;
 658         GstFlowReturn ret = request_buffer_src(This->my_src, ofs, 4096, &buf);
 659         if (ret < 0) {
 660             ERR("Obtaining buffer returned: %i\n", ret);
 661             break;
 662         }
 663         ret = gst_pad_push(This->my_src, buf);
 664         ofs += 4096;
 665         if (ret)
 666             TRACE("Sending returned: %i\n", ret);
 667         if (ret < 0)
 668             break;
 669     }
 670     TRACE("Stopping..\n");
 671     return 0;
 672 }
 673
 674 static void removed_decoded_pad(GstElement *bin, GstPad *pad, GSTImpl *This) {
 675     int x;
 676     GSTOutPin *pin;
 677
 678     EnterCriticalSection(&This->filter.csFilter);
 679     for (x = 0; x < This->cStreams; ++x) {
 680         if (This->ppPins[x]->their_src == pad)
 681             break;
 682     }
 683     if (x == This->cStreams)
 684         goto out;
 685     pin = This->ppPins[x];
 686     gst_pad_unlink(pin->their_src, pin->my_sink);
 687     gst_object_unref(pin->their_src);
 688     pin->their_src = NULL;
 689 out:
 690     TRACE("Removed %i/%i\n", x, This->cStreams);
 691     LeaveCriticalSection(&This->filter.csFilter);
 692 }
 693
 694 static void init_new_decoded_pad(GstElement *bin, GstPad *pad, gboolean last, GSTImpl *This) {
 695     HRESULT hr;
 696     PIN_INFO piOutput;
 697     const char *typename;
 698     char *name;
 699     AM_MEDIA_TYPE amt = { };
 700     GstCaps *caps;
 701     GstStructure *arg;
 702     GstPad *mypad;
 703     GSTOutPin *pin;
 704     int ret;
 705     int isvid = 0, isaud = 0;
 706
 707     piOutput.dir = PINDIR_OUTPUT;
 708     piOutput.pFilter = (IBaseFilter *)This;
 709     name = gst_pad_get_name(pad);
 710     MultiByteToWideChar(CP_UNIXCP, 0, name, -1, piOutput.achName, sizeof(piOutput.achName) / sizeof(piOutput.achName[0]) - 1);
 711     TRACE("Name: %s\n", name);
 712     g_free(name);
 713     piOutput.achName[sizeof(piOutput.achName) / sizeof(piOutput.achName[0]) - 1] = 0;
 714
 715     caps = gst_pad_get_caps_reffed(pad);
 716     arg = gst_caps_get_structure(caps, 0);
 717     typename = gst_structure_get_name(arg);
 718
 719     mypad = gst_pad_new(NULL, GST_PAD_SINK);
 720     gst_pad_set_chain_function(mypad, got_data_sink);
 721     gst_pad_set_event_function(mypad, event_sink);
 722     gst_pad_set_bufferalloc_function(mypad, request_buffer_sink);
 723     gst_pad_set_acceptcaps_function(mypad, accept_caps_sink);
 724     gst_pad_set_acceptcaps_function(mypad, setcaps_sink);
 725
 726     if (!strcmp(typename, "audio/x-raw-int") ||
 727         !strcmp(typename, "audio/x-raw-float")) {
 728         isaud = 1;
 729     } else if (!strcmp(typename, "video/x-raw-rgb")
 730                || !strcmp(typename, "video/x-raw-yuv")) {
 731         isvid = 1;
 732     } else {
 733         FIXME("Unknown type \'%s\'\n", typename);
 734         return;
 735     }
 736     GST_PAD_CAPS(mypad) = GST_CAPS_ANY;
 737     hr = GST_AddPin(This, &piOutput, &amt);
 738     if (FAILED(hr)) {
 739         ERR("%08x\n", hr);
 740         return;
 741     }
 742     pin = This->ppPins[This->cStreams - 1];
 743     gst_pad_set_element_private(mypad, pin);
 744     pin->my_sink = mypad;
 745     pin->isaud = isaud;
 746     pin->isvid = isvid;
 747
 748     ret = gst_pad_link(pad, mypad);
 749     gst_pad_activate_push(mypad, 1);
 750     FIXME("Linking: %i\n", ret);
 751     if (ret >= 0) {
 752         pin->their_src = pad;
 753         gst_segment_init(pin->segment, GST_FORMAT_TIME);
 754         gst_object_ref(pin->their_src);
 755     }
 756 }
 757
 758 static void existing_new_pad(GstElement *bin, GstPad *pad, gboolean last, GSTImpl *This) {
 759     int x;
 760     GstCaps *caps;
 761     GstStructure *arg;
 762     const char *typename, *ownname;
 763     caps = gst_pad_get_caps_reffed(pad);
 764     arg = gst_caps_get_structure(caps, 0);
 765     typename = gst_structure_get_name(arg);
 766
 767     if (gst_pad_is_linked(pad))
 768         return;
 769
 770     /* Still holding our own lock */
 771     if (This->initial) {
 772         init_new_decoded_pad(bin, pad, last, This);
 773         return;
 774     }
 775
 776     EnterCriticalSection(&This->filter.csFilter);
 777     for (x = 0; x < This->cStreams; ++x) {
 778         GSTOutPin *pin = This->ppPins[x];
 779         if (!pin->their_src) {
 780             caps = gst_pad_get_caps_reffed(pin->my_sink);
 781             arg = gst_caps_get_structure(caps, 0);
 782             ownname = gst_structure_get_name(arg);
 783             if (!strcmp(typename, ownname) && gst_pad_link(pad, pin->my_sink) >= 0) {
 784                 pin->their_src = pad;
 785                 gst_segment_init(pin->segment, GST_FORMAT_TIME);
 786                 gst_object_ref(pin->their_src);
 787                 TRACE("Relinked\n");
 788                 LeaveCriticalSection(&This->filter.csFilter);
 789                 return;
 790             }
 791         }
 792     }
 793     init_new_decoded_pad(bin, pad, last, This);
 794     LeaveCriticalSection(&This->filter.csFilter);
 795 }
 796
 797 static gboolean check_get_range(GstPad *pad) {
 798     return 1;
 799 }
 800
 801 static gboolean query_function(GstPad *pad, GstQuery *query) {
 802     GSTImpl *This = gst_pad_get_element_private(pad);
 803     GstFormat format;
 804     int ret;
 805     LONGLONG duration;
 806
 807     switch (GST_QUERY_TYPE(query)) {
 808         case GST_QUERY_DURATION:
 809             gst_query_parse_duration (query, &format, NULL);
 810             if (format == GST_FORMAT_PERCENT) {
 811                 gst_query_set_duration (query, GST_FORMAT_PERCENT, GST_FORMAT_PERCENT_MAX);
 812                 return 1;
 813             }
 814             ret = gst_pad_query_convert (pad, GST_FORMAT_BYTES, This->filesize, &format, &duration);
 815             gst_query_set_duration(query, format, duration);
 816             return ret;
 817         case GST_QUERY_SEEKING:
 818             gst_query_parse_seeking (query, &format, NULL, NULL, NULL);
 819             TRACE("Seeking %i %i\n", format, GST_FORMAT_BYTES);
 820             if (format != GST_FORMAT_BYTES)
 821                 return 0;
 822             gst_query_set_seeking(query, GST_FORMAT_BYTES, 1, 0, This->filesize);
 823             return 1;
 824         default:
 825             FIXME("Unhandled query type %i\n", GST_QUERY_TYPE(query));
 826         case GST_QUERY_URI:
 827             return 1;
 828     }
 829 }
 830
 831 static gboolean activate_push(GstPad *pad, gboolean activate) {
 832     GSTImpl *This = gst_pad_get_element_private(pad);
 833     EnterCriticalSection(&This->filter.csFilter);
 834     if (!activate) {
 835         TRACE("Deactivating\n");
 836         if (This->push_thread) {
 837             WaitForSingleObject(This->push_thread, -1);
 838             CloseHandle(This->push_thread);
 839             This->push_thread = NULL;
 840         }
 841     } else if (!This->push_thread) {
 842         TRACE("Activating\n");
 843         if (This->initial)
 844             This->push_thread = CreateThread(NULL, 0, push_data_init, This, 0, NULL);
 845         else
 846             This->push_thread = CreateThread(NULL, 0, push_data, This, 0, NULL);
 847     }
 848     LeaveCriticalSection(&This->filter.csFilter);
 849     return 1;
 850 }
 851
 852 static void no_more_pads(GstElement *decodebin, GSTImpl *This) {
 853     FIXME("Done\n");
 854     SetEvent(This->event);
 855 }
 856
 857 typedef enum {
 858   GST_AUTOPLUG_SELECT_TRY,
 859   GST_AUTOPLUG_SELECT_EXPOSE,
 860   GST_AUTOPLUG_SELECT_SKIP
 861 } GstAutoplugSelectResult;
 862
 863 static GstAutoplugSelectResult autoplug_blacklist(GstElement *bin, GstPad *pad, GstCaps *caps, GstElementFactory *fact, GSTImpl *This) {
 864     const char *name = gst_element_factory_get_longname(fact);
 865
 866     if (strstr(name, "Player protection")) {
 867         WARN("Blacklisted a/52 decoder because it only works in Totem\n");
 868         return GST_AUTOPLUG_SELECT_SKIP;
 869     }
 870     if (!strcmp(name, "Fluendo Hardware Accelerated Video Decoder")) {
 871         WARN("Disabled video acceleration since it breaks in wine\n");
 872         return GST_AUTOPLUG_SELECT_SKIP;
 873     }
 874     TRACE("using \"%s\"\n", name);
 875     return GST_AUTOPLUG_SELECT_TRY;
 876 }
 877
 878 static HRESULT GST_Connect(GSTInPin *pPin, IPin *pConnectPin, ALLOCATOR_PROPERTIES *props) {
 879     GSTImpl *This = (GSTImpl*)pPin->pin.pinInfo.pFilter;
 880     HRESULT hr;
 881     int ret, i;
 882     LONGLONG avail, duration;
 883     GstFormat format = GST_FORMAT_TIME;
 884     GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE(
 885         "quartz_src",
 886         GST_PAD_SRC,
 887         GST_PAD_ALWAYS,
 888         GST_STATIC_CAPS_ANY);
 889
 890     TRACE("%p %p %p\n", pPin, pConnectPin, props);
 891     This->props = *props;
 892     IAsyncReader_Length(pPin->pReader, &This->filesize, &avail);
 893
 894     This->gstfilter = gst_element_factory_make("decodebin2", NULL);
 895     if (!This->gstfilter) {
 896         FIXME("Could not make source filter, are gstreamer-plugins-* installed for %u bits?\n",
 897               8 * (int)sizeof(void*));
 898         return E_FAIL;
 899     }
 900     g_signal_connect(This->gstfilter, "new-decoded-pad", G_CALLBACK(existing_new_pad), This);
 901     g_signal_connect(This->gstfilter, "pad-removed", G_CALLBACK(removed_decoded_pad), This);
 902     g_signal_connect(This->gstfilter, "autoplug-select", G_CALLBACK(autoplug_blacklist), This);
 903
 904     This->my_src = gst_pad_new_from_static_template(&src_template, "quartz-src");
 905     gst_pad_set_getrange_function(This->my_src, request_buffer_src);
 906     gst_pad_set_checkgetrange_function(This->my_src, check_get_range);
 907     gst_pad_set_query_function(This->my_src, query_function);
 908     gst_pad_set_activatepush_function(This->my_src, activate_push);
 909     gst_pad_set_event_function(This->my_src, event_src);
 910     gst_pad_set_element_private (This->my_src, This);
 911     This->their_sink = gst_element_get_static_pad(This->gstfilter, "sink");
 912
 913     g_signal_connect(This->gstfilter, "no-more-pads", G_CALLBACK(no_more_pads), This);
 914     ret = gst_pad_link(This->my_src, This->their_sink);
 915     gst_object_unref(This->their_sink);
 916     if (ret < 0) {
 917         ERR("Returns: %i\n", ret);
 918         return E_FAIL;
 919     }
 920     This->start = This->nextofs = This->nextpullofs = 0;
 921     This->stop = This->filesize;
 922
 923     /* Add initial pins */
 924     This->initial = This->discont = 1;
 925     gst_element_set_state(This->gstfilter, GST_STATE_PLAYING);
 926     gst_pad_set_active(This->my_src, 1);
 927     WaitForSingleObject(This->event, -1);
 928     gst_element_get_state(This->gstfilter, NULL, NULL, -1);
 929
 930     if (ret < 0) {
 931         WARN("Ret: %i\n", ret);
 932         hr = E_FAIL;
 933     } else if (!This->cStreams) {
 934         FIXME("Gstreamer could not find any streams\n");
 935         hr = E_FAIL;
 936     } else {
 937         gst_pad_query_duration(This->ppPins[0]->their_src, &format, &duration);
 938         for (i = 0; i < This->cStreams; ++i) {
 939             This->ppPins[i]->seek.llDuration = This->ppPins[i]->seek.llStop = duration / 100;
 940             WaitForSingleObject(This->ppPins[i]->caps_event, -1);
 941         }
 942         hr = S_OK;
 943     }
 944     *props = This->props;
 945     gst_element_set_state(This->gstfilter, GST_STATE_READY);
 946     gst_element_get_state(This->gstfilter, NULL, NULL, -1);
 947
 948     This->initial = 0;
 949     This->nextofs = This->nextpullofs = 0;
 950     return hr;
 951 }
 952
 953 static inline GSTOutPin *impl_from_IMediaSeeking( IMediaSeeking *iface ) {
 954     return (GSTOutPin *)((char*)iface - FIELD_OFFSET(GSTOutPin, seek.lpVtbl));
 955 }
 956
 957 static IPin* WINAPI GST_GetPin(BaseFilter *iface, int pos)
 958 {
 959     GSTImpl *This = (GSTImpl *)iface;
 960     TRACE("Asking for pos %x\n", pos);
 961
 962     if (pos > This->cStreams || pos < 0)
 963         return NULL;
 964     if (!pos)
 965     {
 966         IPin_AddRef((IPin*)&This->pInputPin);
 967         return (IPin*)&This->pInputPin;
 968     }
 969     else
 970     {
 971         IPin_AddRef((IPin*)This->ppPins[pos - 1]);
 972         return (IPin*)This->ppPins[pos - 1];
 973     }
 974 }
 975
 976 static LONG WINAPI GST_GetPinCount(BaseFilter *iface)
 977 {
 978     GSTImpl *This = (GSTImpl *)iface;
 979     return (This->cStreams + 1);
 980 }
 981
 982 static const BaseFilterFuncTable BaseFuncTable = {
 983     GST_GetPin,
 984     GST_GetPinCount
 985 };
 986
 987 IUnknown * CALLBACK Gstreamer_Splitter_create(IUnknown *punkout, HRESULT *phr) {
 988     IUnknown *obj = NULL;
 989     PIN_INFO *piInput;
 990     GSTImpl *This;
 991
 992     if (!Gstreamer_init())
 993     {
 994         *phr = E_FAIL;
 995         return NULL;
 996     }
 997
 998     This = CoTaskMemAlloc(sizeof(*This));
 999     obj = (IUnknown*)This;
1000     if (!This)
1001     {
1002         *phr = E_OUTOFMEMORY;
1003         return NULL;
1004     }
1005
1006     BaseFilter_Init(&This->filter, &GST_Vtbl, &CLSID_Gstreamer_Splitter, (DWORD_PTR)(__FILE__ ": GSTImpl.csFilter"), &BaseFuncTable);
1007
1008     This->cStreams = 0;
1009     This->ppPins = NULL;
1010     This->push_thread = NULL;
1011     This->event = CreateEventW(NULL, 0, 0, NULL);
1012
1013     piInput = &This->pInputPin.pin.pinInfo;
1014     piInput->dir = PINDIR_INPUT;
1015     piInput->pFilter = (IBaseFilter *)This;
1016     lstrcpynW(piInput->achName, wcsInputPinName, sizeof(piInput->achName) / sizeof(piInput->achName[0]));
1017     This->pInputPin.pin.lpVtbl = &GST_InputPin_Vtbl;
1018     This->pInputPin.pin.refCount = 1;
1019     This->pInputPin.pin.pConnectedTo = NULL;
1020     This->pInputPin.pin.pCritSec = &This->filter.csFilter;
1021     ZeroMemory(&This->pInputPin.pin.mtCurrent, sizeof(AM_MEDIA_TYPE));
1022     *phr = S_OK;
1023     return obj;
1024 }
1025
1026 static void GST_Destroy(GSTImpl *This) {
1027     IPin *connected = NULL;
1028     ULONG pinref;
1029
1030     TRACE("Destroying\n");
1031
1032     CloseHandle(This->event);
1033
1034     /* Don't need to clean up output pins, disconnecting input pin will do that */
1035     IPin_ConnectedTo((IPin *)&This->pInputPin, &connected);
1036     if (connected) {
1037         assert(IPin_Disconnect(connected) == S_OK);
1038         IPin_Release(connected);
1039         assert(IPin_Disconnect((IPin *)&This->pInputPin) == S_OK);
1040     }
1041     pinref = IPin_Release((IPin *)&This->pInputPin);
1042     if (pinref) {
1043         /* Valgrind could find this, if I kill it here */
1044         ERR("pinref should be null, is %u, destroying anyway\n", pinref);
1045         assert((LONG)pinref > 0);
1046
1047         while (pinref)
1048             pinref = IPin_Release((IPin *)&This->pInputPin);
1049     }
1050     CoTaskMemFree(This);
1051 }
1052
1053 static HRESULT WINAPI GST_QueryInterface(IBaseFilter *iface, REFIID riid, LPVOID *ppv) {
1054     GSTImpl *This = (GSTImpl *)iface;
1055     TRACE("(%s, %p)\n", debugstr_guid(riid), ppv);
1056
1057     *ppv = NULL;
1058
1059     if (IsEqualIID(riid, &IID_IUnknown))
1060         *ppv = This;
1061     else if (IsEqualIID(riid, &IID_IPersist))
1062         *ppv = This;
1063     else if (IsEqualIID(riid, &IID_IMediaFilter))
1064         *ppv = This;
1065     else if (IsEqualIID(riid, &IID_IBaseFilter))
1066         *ppv = This;
1067
1068     if (*ppv) {
1069         IUnknown_AddRef((IUnknown *)(*ppv));
1070         return S_OK;
1071     }
1072
1073     if (!IsEqualIID(riid, &IID_IPin) && !IsEqualIID(riid, &IID_IVideoWindow) &&
1074         !IsEqualIID(riid, &IID_IAMFilterMiscFlags))
1075         FIXME("No interface for %s!\n", debugstr_guid(riid));
1076
1077     return E_NOINTERFACE;
1078 }
1079
1080 static ULONG WINAPI GST_Release(IBaseFilter *iface) {
1081     GSTImpl *This = (GSTImpl *)iface;
1082     ULONG refCount = BaseFilterImpl_Release(iface);
1083
1084     TRACE("(%p)->() Release from %d\n", This, refCount + 1);
1085
1086     if (!refCount)
1087         GST_Destroy(This);
1088
1089     return refCount;
1090 }
1091
1092 static HRESULT WINAPI GST_Stop(IBaseFilter *iface) {
1093     GSTImpl *This = (GSTImpl *)iface;
1094
1095     TRACE("()\n");
1096
1097     if (This->gstfilter) {
1098         IAsyncReader_BeginFlush(This->pInputPin.pReader);
1099         gst_element_set_state(This->gstfilter, GST_STATE_READY);
1100         IAsyncReader_EndFlush(This->pInputPin.pReader);
1101     }
1102     return S_OK;
1103 }
1104
1105 static HRESULT WINAPI GST_Pause(IBaseFilter *iface) {
1106     HRESULT hr = S_OK;
1107     GSTImpl *This = (GSTImpl *)iface;
1108     GstState now;
1109     GstStateChangeReturn ret;
1110     TRACE("()\n");
1111
1112     if (!This->gstfilter)
1113         return VFW_E_NOT_CONNECTED;
1114
1115     gst_element_get_state(This->gstfilter, &now, NULL, -1);
1116     if (now == GST_STATE_PAUSED)
1117         return S_OK;
1118     if (now != GST_STATE_PLAYING)
1119         hr = IBaseFilter_Run(iface, -1);
1120     if (FAILED(hr))
1121         return hr;
1122     ret = gst_element_set_state(This->gstfilter, GST_STATE_PAUSED);
1123     if (ret == GST_STATE_CHANGE_ASYNC)
1124         hr = S_FALSE;
1125     return hr;
1126 }
1127
1128 static HRESULT WINAPI GST_Run(IBaseFilter *iface, REFERENCE_TIME tStart) {
1129     HRESULT hr = S_OK;
1130     GSTImpl *This = (GSTImpl *)iface;
1131     ULONG i;
1132     GstState now;
1133     HRESULT hr_any = VFW_E_NOT_CONNECTED;
1134
1135     TRACE("(%s)\n", wine_dbgstr_longlong(tStart));
1136
1137     if (!This->gstfilter)
1138         return VFW_E_NOT_CONNECTED;
1139
1140     gst_element_get_state(This->gstfilter, &now, NULL, -1);
1141     if (now == GST_STATE_PLAYING)
1142         return S_OK;
1143     if (now == GST_STATE_PAUSED) {
1144         GstStateChangeReturn ret;
1145         ret = gst_element_set_state(This->gstfilter, GST_STATE_PAUSED);
1146         if (ret == GST_STATE_CHANGE_ASYNC)
1147             return S_FALSE;
1148         return S_OK;
1149     }
1150
1151     EnterCriticalSection(&This->filter.csFilter);
1152     gst_pad_set_blocked(This->my_src, 0);
1153     gst_pad_set_blocked(This->their_sink, 0);
1154     gst_element_set_state(This->gstfilter, GST_STATE_PLAYING);
1155     This->filter.rtStreamStart = tStart;
1156
1157     for (i = 0; i < This->cStreams; i++) {
1158         hr = BaseOutputPinImpl_Active((BaseOutputPin *)This->ppPins[i]);
1159         if (SUCCEEDED(hr)) {
1160             gst_pad_set_blocked(This->ppPins[i]->my_sink, 0);
1161             if (This->ppPins[i]->their_src)
1162                 gst_pad_set_blocked(This->ppPins[i]->their_src, 0);
1163             hr_any = hr;
1164         }
1165     }
1166     hr = hr_any;
1167     if (SUCCEEDED(hr))
1168         gst_pad_set_active(This->my_src, 1);
1169     LeaveCriticalSection(&This->filter.csFilter);
1170
1171     return hr;
1172 }
1173
1174 static HRESULT WINAPI GST_GetState(IBaseFilter *iface, DWORD dwMilliSecsTimeout, FILTER_STATE *pState) {
1175     GSTImpl *This = (GSTImpl *)iface;
1176     HRESULT hr = S_OK;
1177     GstState now, pending;
1178     GstStateChangeReturn ret;
1179
1180     TRACE("(%d, %p)\n", dwMilliSecsTimeout, pState);
1181
1182     if (!This->gstfilter) {
1183         *pState = State_Stopped;
1184         return S_OK;
1185     }
1186
1187     ret = gst_element_get_state(This->gstfilter, &now, &pending, dwMilliSecsTimeout == INFINITE ? -1 : dwMilliSecsTimeout * 1000);
1188
1189     if (ret == GST_STATE_CHANGE_ASYNC)
1190         hr = VFW_S_STATE_INTERMEDIATE;
1191     else
1192         pending = now;
1193
1194     switch (pending) {
1195         case GST_STATE_PAUSED: *pState = State_Paused; return hr;
1196         case GST_STATE_PLAYING: *pState = State_Running; return hr;
1197         default: *pState = State_Stopped; return hr;
1198     }
1199 }
1200
1201 static HRESULT WINAPI GST_FindPin(IBaseFilter *iface, LPCWSTR Id, IPin **ppPin) {
1202     FIXME("(%p)->(%s,%p) stub\n", iface, debugstr_w(Id), ppPin);
1203     return E_NOTIMPL;
1204 }
1205
1206 static const IBaseFilterVtbl GST_Vtbl = {
1207     GST_QueryInterface,
1208     BaseFilterImpl_AddRef,
1209     GST_Release,
1210     BaseFilterImpl_GetClassID,
1211     GST_Stop,
1212     GST_Pause,
1213     GST_Run,
1214     GST_GetState,
1215     BaseFilterImpl_SetSyncSource,
1216     BaseFilterImpl_GetSyncSource,
1217     BaseFilterImpl_EnumPins,
1218     GST_FindPin,
1219     BaseFilterImpl_QueryFilterInfo,
1220     BaseFilterImpl_JoinFilterGraph,
1221     BaseFilterImpl_QueryVendorInfo
1222 };
1223
1224 static HRESULT WINAPI GST_ChangeCurrent(IMediaSeeking *iface) {
1225     GSTOutPin *This = impl_from_IMediaSeeking(iface);
1226     GstEvent *ev = gst_event_new_seek(This->seek.dRate, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH, GST_SEEK_TYPE_SET, This->seek.llCurrent * 100, GST_SEEK_TYPE_NONE, -1);
1227     TRACE("(%p) going to %i.%i!\n", iface, (int)(This->seek.llCurrent / 10000000), (int)((This->seek.llCurrent / 10000)%1000));
1228     gst_pad_push_event(This->my_sink, ev);
1229     return S_OK;
1230 }
1231
1232 static HRESULT WINAPI GST_ChangeStop(IMediaSeeking *iface) {
1233     GSTOutPin *This = impl_from_IMediaSeeking(iface);
1234     GstEvent *ev = gst_event_new_seek(This->seek.dRate, GST_FORMAT_TIME, 0, GST_SEEK_TYPE_NONE, -1, GST_SEEK_TYPE_SET, This->seek.llStop);
1235     TRACE("(%p) going to %i.%i!\n", iface, (int)(This->seek.llCurrent / 10000000), (int)((This->seek.llCurrent / 10000)%1000));
1236     gst_pad_push_event(This->my_sink, ev);
1237     return S_OK;
1238 }
1239
1240 static HRESULT WINAPI GST_ChangeRate(IMediaSeeking *iface) {
1241     GSTOutPin *This = impl_from_IMediaSeeking(iface);
1242     GstEvent *ev = gst_event_new_seek(This->seek.dRate, GST_FORMAT_TIME, 0, GST_SEEK_TYPE_NONE, -1, GST_SEEK_TYPE_NONE, -1);
1243     TRACE("(%p) New rate %g\n", iface, This->seek.dRate);
1244     gst_pad_push_event(This->my_sink, ev);
1245     return S_OK;
1246 }
1247
1248 static HRESULT WINAPI GST_Seeking_QueryInterface(IMediaSeeking *iface, REFIID riid, void **ppv) {
1249     GSTOutPin *This = impl_from_IMediaSeeking(iface);
1250     return IUnknown_QueryInterface((IUnknown *)This, riid, ppv);
1251 }
1252
1253 static ULONG WINAPI GST_Seeking_AddRef(IMediaSeeking *iface) {
1254     GSTOutPin *This = impl_from_IMediaSeeking(iface);
1255     return IUnknown_AddRef((IUnknown *)This);
1256 }
1257
1258 static ULONG WINAPI GST_Seeking_Release(IMediaSeeking *iface) {
1259     GSTOutPin *This = impl_from_IMediaSeeking(iface);
1260     return IUnknown_Release((IUnknown *)This);
1261 }
1262
1263 static const IMediaSeekingVtbl GST_Seeking_Vtbl =
1264 {
1265     GST_Seeking_QueryInterface,
1266     GST_Seeking_AddRef,
1267     GST_Seeking_Release,
1268     SourceSeekingImpl_GetCapabilities,
1269     SourceSeekingImpl_CheckCapabilities,
1270     SourceSeekingImpl_IsFormatSupported,
1271     SourceSeekingImpl_QueryPreferredFormat,
1272     SourceSeekingImpl_GetTimeFormat,
1273     SourceSeekingImpl_IsUsingTimeFormat,
1274     SourceSeekingImpl_SetTimeFormat,
1275     SourceSeekingImpl_GetDuration,
1276     SourceSeekingImpl_GetStopPosition,
1277     SourceSeekingImpl_GetCurrentPosition,
1278     SourceSeekingImpl_ConvertTimeFormat,
1279     SourceSeekingImpl_SetPositions,
1280     SourceSeekingImpl_GetPositions,
1281     SourceSeekingImpl_GetAvailable,
1282     SourceSeekingImpl_SetRate,
1283     SourceSeekingImpl_GetRate,
1284     SourceSeekingImpl_GetPreroll
1285 };
1286
1287 static HRESULT WINAPI GST_QualityControl_Notify(IQualityControl *iface, IBaseFilter *sender, Quality qm) {
1288     QualityControlImpl *This = (QualityControlImpl*)iface;
1289     GSTOutPin *pin = (GSTOutPin*)This->self;
1290     gst_pad_push_event(pin->my_sink, gst_event_new_qos(1000./qm.Proportion, qm.Late*100, qm.TimeStamp*100));
1291     return S_OK;
1292 }
1293
1294 static const IQualityControlVtbl GSTOutPin_QualityControl_Vtbl = {
1295     QualityControlImpl_QueryInterface,
1296     QualityControlImpl_AddRef,
1297     QualityControlImpl_Release,
1298     GST_QualityControl_Notify,
1299     QualityControlImpl_SetSink
1300 };
1301
1302 static HRESULT WINAPI GSTOutPin_QueryInterface(IPin *iface, REFIID riid, void **ppv) {
1303     GSTOutPin *This = (GSTOutPin *)iface;
1304
1305     TRACE("(%s, %p)\n", debugstr_guid(riid), ppv);
1306
1307     *ppv = NULL;
1308
1309     if (IsEqualIID(riid, &IID_IUnknown))
1310         *ppv = iface;
1311     else if (IsEqualIID(riid, &IID_IPin))
1312         *ppv = iface;
1313     else if (IsEqualIID(riid, &IID_IMediaSeeking))
1314         *ppv = &This->seek;
1315     else if (IsEqualIID(riid, &IID_IQualityControl))
1316         *ppv = &This->qcimpl;
1317
1318     if (*ppv) {
1319         IUnknown_AddRef((IUnknown *)(*ppv));
1320         return S_OK;
1321     }
1322     FIXME("No interface for %s!\n", debugstr_guid(riid));
1323     return E_NOINTERFACE;
1324 }
1325
1326 static ULONG WINAPI GSTOutPin_Release(IPin *iface) {
1327     GSTOutPin *This = (GSTOutPin *)iface;
1328     ULONG refCount = InterlockedDecrement(&This->pin.pin.refCount);
1329     TRACE("(%p)->() Release from %d\n", iface, refCount + 1);
1330
1331     if (!refCount) {
1332         if (This->their_src)
1333             gst_pad_unlink(This->their_src, This->my_sink);
1334         gst_object_unref(This->my_sink);
1335         CloseHandle(This->caps_event);
1336         DeleteMediaType(This->pmt);
1337         FreeMediaType(&This->pin.pin.mtCurrent);
1338         gst_segment_free(This->segment);
1339         CoTaskMemFree(This);
1340         return 0;
1341     }
1342     return refCount;
1343 }
1344
1345 static HRESULT WINAPI GSTOutPin_GetMediaType(BasePin *iface, int iPosition, AM_MEDIA_TYPE *pmt)
1346 {
1347     GSTOutPin *This = (GSTOutPin *)iface;
1348
1349     if (iPosition < 0)
1350         return E_INVALIDARG;
1351     if (iPosition > 0)
1352         return VFW_S_NO_MORE_ITEMS;
1353     CopyMediaType(pmt, This->pmt);
1354     return S_OK;
1355 }
1356
1357 static HRESULT WINAPI GSTOutPin_DecideBufferSize(BaseOutputPin *iface, IMemAllocator *pAlloc, ALLOCATOR_PROPERTIES *ppropInputRequest)
1358 {
1359     /* Unused */
1360     return S_OK;
1361 }
1362
1363 static HRESULT WINAPI GSTOutPin_DecideAllocator(BaseOutputPin *iface, IMemInputPin *pPin, IMemAllocator **pAlloc)
1364 {
1365     HRESULT hr;
1366     GSTOutPin *This = (GSTOutPin *)iface;
1367     GSTImpl *GSTfilter = (GSTImpl*)This->pin.pin.pinInfo.pFilter;
1368
1369     pAlloc = NULL;
1370     if (GSTfilter->pInputPin.pAlloc)
1371         hr = IMemInputPin_NotifyAllocator(pPin, GSTfilter->pInputPin.pAlloc, FALSE);
1372     else
1373         hr = VFW_E_NO_ALLOCATOR;
1374
1375     return hr;
1376 }
1377
1378 static HRESULT WINAPI GSTOutPin_BreakConnect(BaseOutputPin *This)
1379 {
1380     HRESULT hr;
1381
1382     TRACE("(%p)->()\n", This);
1383
1384     EnterCriticalSection(This->pin.pCritSec);
1385     if (!This->pin.pConnectedTo || !This->pMemInputPin)
1386         hr = VFW_E_NOT_CONNECTED;
1387     else
1388     {
1389         hr = IPin_Disconnect(This->pin.pConnectedTo);
1390         IPin_Disconnect((IPin *)This);
1391     }
1392     LeaveCriticalSection(This->pin.pCritSec);
1393
1394     return hr;
1395 }
1396
1397 static const IPinVtbl GST_OutputPin_Vtbl = {
1398     GSTOutPin_QueryInterface,
1399     BasePinImpl_AddRef,
1400     GSTOutPin_Release,
1401     BaseOutputPinImpl_Connect,
1402     BaseOutputPinImpl_ReceiveConnection,
1403     BaseOutputPinImpl_Disconnect,
1404     BasePinImpl_ConnectedTo,
1405     BasePinImpl_ConnectionMediaType,
1406     BasePinImpl_QueryPinInfo,
1407     BasePinImpl_QueryDirection,
1408     BasePinImpl_QueryId,
1409     GST_OutPin_QueryAccept,
1410     BasePinImpl_EnumMediaTypes,
1411     BasePinImpl_QueryInternalConnections,
1412     BaseOutputPinImpl_EndOfStream,
1413     BaseOutputPinImpl_BeginFlush,
1414     BaseOutputPinImpl_EndFlush,
1415     BasePinImpl_NewSegment
1416 };
1417
1418 static const BasePinFuncTable output_BaseFuncTable = {
1419     NULL,
1420     BaseOutputPinImpl_AttemptConnection,
1421     BasePinImpl_GetMediaTypeVersion,
1422     GSTOutPin_GetMediaType
1423 };
1424
1425 static const BaseOutputPinFuncTable output_BaseOutputFuncTable = {
1426     GSTOutPin_DecideBufferSize,
1427     GSTOutPin_DecideAllocator,
1428     GSTOutPin_BreakConnect
1429 };
1430
1431 static HRESULT GST_AddPin(GSTImpl *This, const PIN_INFO *piOutput, const AM_MEDIA_TYPE *amt) {
1432     HRESULT hr;
1433     This->ppPins = CoTaskMemRealloc(This->ppPins, (This->cStreams + 1) * sizeof(IPin *));
1434
1435     hr = BaseOutputPin_Construct(&GST_OutputPin_Vtbl, sizeof(GSTOutPin), piOutput, &output_BaseFuncTable, &output_BaseOutputFuncTable, &This->filter.csFilter, (IPin**)(This->ppPins + This->cStreams));
1436     if (SUCCEEDED(hr)) {
1437         GSTOutPin *pin = This->ppPins[This->cStreams];
1438         pin->pmt = CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
1439         CopyMediaType(pin->pmt, amt);
1440         pin->pin.pin.pinInfo.pFilter = (LPVOID)This;
1441         pin->caps_event = CreateEventW(NULL, 0, 0, NULL);
1442         pin->segment = gst_segment_new();
1443         This->cStreams++;
1444         QualityControlImpl_init(&pin->qcimpl, NULL, (IBaseFilter*)pin);
1445         pin->qcimpl.lpVtbl = &GSTOutPin_QualityControl_Vtbl;
1446         SourceSeeking_Init(&pin->seek, &GST_Seeking_Vtbl, GST_ChangeStop, GST_ChangeCurrent, GST_ChangeRate, &This->filter.csFilter);
1447         BaseFilterImpl_IncrementPinVersion((BaseFilter*)This);
1448     } else
1449         ERR("Failed with error %x\n", hr);
1450     return hr;
1451 }
1452
1453 static HRESULT GST_RemoveOutputPins(GSTImpl *This) {
1454     HRESULT hr;
1455     ULONG i;
1456     GSTOutPin **ppOldPins = This->ppPins;
1457     TRACE("(%p)\n", This);
1458
1459     if (!This->gstfilter)
1460         return S_OK;
1461     gst_element_set_state(This->gstfilter, GST_STATE_NULL);
1462     gst_pad_unlink(This->my_src, This->their_sink);
1463     This->my_src = This->their_sink = NULL;
1464
1465     for (i = 0; i < This->cStreams; i++) {
1466         hr = BaseOutputPinImpl_BreakConnect(&ppOldPins[i]->pin);
1467         TRACE("Disconnect: %08x\n", hr);
1468         IPin_Release((IPin*)ppOldPins[i]);
1469     }
1470     This->cStreams = 0;
1471     This->ppPins = NULL;
1472     gst_object_unref(This->gstfilter);
1473     This->gstfilter = NULL;
1474     BaseFilterImpl_IncrementPinVersion((BaseFilter*)This);
1475     CoTaskMemFree(ppOldPins);
1476     return S_OK;
1477 }
1478
1479 static ULONG WINAPI GSTInPin_Release(IPin *iface) {
1480     GSTInPin *This = (GSTInPin*)iface;
1481     ULONG refCount = InterlockedDecrement(&This->pin.refCount);
1482
1483     TRACE("(%p)->() Release from %d\n", iface, refCount + 1);
1484     if (!refCount) {
1485         FreeMediaType(&This->pin.mtCurrent);
1486         if (This->pAlloc)
1487             IMemAllocator_Release(This->pAlloc);
1488         This->pAlloc = NULL;
1489         This->pin.lpVtbl = NULL;
1490         return 0;
1491     } else
1492         return refCount;
1493 }
1494
1495 static HRESULT WINAPI GSTInPin_ReceiveConnection(IPin *iface, IPin *pReceivePin, const AM_MEDIA_TYPE *pmt) {
1496     PIN_DIRECTION pindirReceive;
1497     HRESULT hr = S_OK;
1498     GSTInPin *This = (GSTInPin*)iface;
1499
1500     TRACE("(%p/%p)->(%p, %p)\n", This, iface, pReceivePin, pmt);
1501     dump_AM_MEDIA_TYPE(pmt);
1502
1503     EnterCriticalSection(This->pin.pCritSec);
1504     if (!This->pin.pConnectedTo) {
1505         ALLOCATOR_PROPERTIES props;
1506
1507         props.cBuffers = 8;
1508         props.cbBuffer = 16384;
1509         props.cbAlign = 1;
1510         props.cbPrefix = 0;
1511
1512         if (SUCCEEDED(hr) && IPin_QueryAccept(iface, pmt) != S_OK)
1513             hr = VFW_E_TYPE_NOT_ACCEPTED;
1514         if (SUCCEEDED(hr)) {
1515             IPin_QueryDirection(pReceivePin, &pindirReceive);
1516             if (pindirReceive != PINDIR_OUTPUT) {
1517                 ERR("Can't connect from non-output pin\n");
1518                 hr = VFW_E_INVALID_DIRECTION;
1519             }
1520         }
1521
1522         This->pReader = NULL;
1523         This->pAlloc = NULL;
1524         if (SUCCEEDED(hr))
1525             hr = IPin_QueryInterface(pReceivePin, &IID_IAsyncReader, (LPVOID *)&This->pReader);
1526         if (SUCCEEDED(hr))
1527             hr = GST_Connect(This, pReceivePin, &props);
1528         if (SUCCEEDED(hr))
1529             hr = IAsyncReader_RequestAllocator(This->pReader, NULL, &props, &This->pAlloc);
1530         if (SUCCEEDED(hr)) {
1531             CopyMediaType(&This->pin.mtCurrent, pmt);
1532             This->pin.pConnectedTo = pReceivePin;
1533             IPin_AddRef(pReceivePin);
1534             hr = IMemAllocator_Commit(This->pAlloc);
1535         } else {
1536             GST_RemoveOutputPins((GSTImpl *)This->pin.pinInfo.pFilter);
1537             if (This->pReader)
1538                 IAsyncReader_Release(This->pReader);
1539             This->pReader = NULL;
1540             if (This->pAlloc)
1541                 IMemAllocator_Release(This->pAlloc);
1542             This->pAlloc = NULL;
1543         }
1544         TRACE("Size: %i\n", props.cbBuffer);
1545     } else
1546         hr = VFW_E_ALREADY_CONNECTED;
1547     LeaveCriticalSection(This->pin.pCritSec);
1548     return hr;
1549 }
1550
1551 static HRESULT WINAPI GSTInPin_Disconnect(IPin *iface) {
1552     HRESULT hr;
1553     GSTInPin *This = (GSTInPin*)iface;
1554     FILTER_STATE state;
1555     TRACE("()\n");
1556
1557     hr = IBaseFilter_GetState(This->pin.pinInfo.pFilter, INFINITE, &state);
1558     EnterCriticalSection(This->pin.pCritSec);
1559     if (This->pin.pConnectedTo) {
1560         GSTImpl *Parser = (GSTImpl *)This->pin.pinInfo.pFilter;
1561
1562         if (SUCCEEDED(hr) && state == State_Stopped) {
1563             IMemAllocator_Decommit(This->pAlloc);
1564             IPin_Disconnect(This->pin.pConnectedTo);
1565             This->pin.pConnectedTo = NULL;
1566             hr = GST_RemoveOutputPins(Parser);
1567         } else
1568             hr = VFW_E_NOT_STOPPED;
1569     } else
1570         hr = S_FALSE;
1571     LeaveCriticalSection(This->pin.pCritSec);
1572     return hr;
1573 }
1574
1575 static HRESULT WINAPI GSTInPin_QueryAccept(IPin *iface, const AM_MEDIA_TYPE *pmt) {
1576     GSTInPin *This = (GSTInPin*)iface;
1577
1578     TRACE("(%p)->(%p)\n", This, pmt);
1579     dump_AM_MEDIA_TYPE(pmt);
1580
1581     if (IsEqualIID(&pmt->majortype, &MEDIATYPE_Stream))
1582         return S_OK;
1583     return S_FALSE;
1584 }
1585
1586 static HRESULT WINAPI GSTInPin_EndOfStream(IPin *iface) {
1587     GSTInPin *pin = (GSTInPin*)iface;
1588     GSTImpl *This = (GSTImpl*)pin->pin.pinInfo.pFilter;
1589
1590     FIXME("Propagate message on %p\n", This);
1591     return S_OK;
1592 }
1593
1594 static HRESULT WINAPI GSTInPin_BeginFlush(IPin *iface) {
1595     GSTInPin *pin = (GSTInPin*)iface;
1596     GSTImpl *This = (GSTImpl*)pin->pin.pinInfo.pFilter;
1597
1598     FIXME("Propagate message on %p\n", This);
1599     return S_OK;
1600 }
1601
1602 static HRESULT WINAPI GSTInPin_EndFlush(IPin *iface) {
1603     GSTInPin *pin = (GSTInPin*)iface;
1604     GSTImpl *This = (GSTImpl*)pin->pin.pinInfo.pFilter;
1605
1606     FIXME("Propagate message on %p\n", This);
1607     return S_OK;
1608 }
1609
1610 static HRESULT WINAPI GSTInPin_NewSegment(IPin *iface, REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate) {
1611     GSTInPin *pin = (GSTInPin*)iface;
1612     GSTImpl *This = (GSTImpl*)pin->pin.pinInfo.pFilter;
1613
1614     BasePinImpl_NewSegment(iface, tStart, tStop, dRate);
1615     FIXME("Propagate message on %p\n", This);
1616     return S_OK;
1617 }
1618
1619 static HRESULT WINAPI GSTInPin_QueryInterface(IPin * iface, REFIID riid, LPVOID * ppv)
1620 {
1621     GSTInPin *This = (GSTInPin*)iface;
1622
1623     TRACE("(%p/%p)->(%s, %p)\n", This, iface, debugstr_guid(riid), ppv);
1624
1625     *ppv = NULL;
1626
1627     if (IsEqualIID(riid, &IID_IUnknown))
1628         *ppv = iface;
1629     else if (IsEqualIID(riid, &IID_IPin))
1630         *ppv = iface;
1631     else if (IsEqualIID(riid, &IID_IMediaSeeking))
1632     {
1633         return IBaseFilter_QueryInterface(This->pin.pinInfo.pFilter, &IID_IMediaSeeking, ppv);
1634     }
1635
1636     if (*ppv)
1637     {
1638         IUnknown_AddRef((IUnknown *)(*ppv));
1639         return S_OK;
1640     }
1641
1642     FIXME("No interface for %s!\n", debugstr_guid(riid));
1643
1644     return E_NOINTERFACE;
1645 }
1646
1647 static HRESULT WINAPI GSTInPin_EnumMediaTypes(IPin *iface, IEnumMediaTypes **ppEnum)
1648 {
1649     BasePin *This = (BasePin *)iface;
1650
1651     TRACE("(%p/%p)->(%p)\n", This, iface, ppEnum);
1652
1653     return EnumMediaTypes_Construct(This, BasePinImpl_GetMediaType, BasePinImpl_GetMediaTypeVersion, ppEnum);
1654 }
1655
1656 static const IPinVtbl GST_InputPin_Vtbl = {
1657     GSTInPin_QueryInterface,
1658     BasePinImpl_AddRef,
1659     GSTInPin_Release,
1660     BaseInputPinImpl_Connect,
1661     GSTInPin_ReceiveConnection,
1662     GSTInPin_Disconnect,
1663     BasePinImpl_ConnectedTo,
1664     BasePinImpl_ConnectionMediaType,
1665     BasePinImpl_QueryPinInfo,
1666     BasePinImpl_QueryDirection,
1667     BasePinImpl_QueryId,
1668     GSTInPin_QueryAccept,
1669     GSTInPin_EnumMediaTypes,
1670     BasePinImpl_QueryInternalConnections,
1671     GSTInPin_EndOfStream,
1672     GSTInPin_BeginFlush,
1673     GSTInPin_EndFlush,
1674     GSTInPin_NewSegment
1675 };