reactos/lib/drivers/sound/mmixer/controls.c

   1 /*
   2  * COPYRIGHT:       See COPYING in the top level directory
   3  * PROJECT:         ReactOS Kernel Streaming
   4  * FILE:            lib/drivers/sound/mmixer/controls.c
   5  * PURPOSE:         Mixer Control Iteration Functions
   6  * PROGRAMMER:      Johannes Anderwald
   7  */
   8
   9 #include "priv.h"
  10
  11 MIXER_STATUS
  12 MMixerGetTargetPinsByNodeConnectionIndex(
  13     IN PMIXER_CONTEXT MixerContext,
  14     IN PKSMULTIPLE_ITEM NodeConnections,
  15     IN PKSMULTIPLE_ITEM NodeTypes,
  16     IN ULONG bUpDirection,
  17     IN ULONG NodeConnectionIndex,
  18     OUT PULONG Pins)
  19 {
  20     PKSTOPOLOGY_CONNECTION Connection;
  21     ULONG PinId, NodeConnectionCount, Index;
  22     PULONG NodeConnection;
  23     MIXER_STATUS Status;
  24
  25
  26     /* sanity check */
  27     ASSERT(NodeConnectionIndex < NodeConnections->Count);
  28
  29     Connection = (PKSTOPOLOGY_CONNECTION)(NodeConnections + 1);
  30
  31     //DPRINT("FromNode %u FromNodePin %u -> ToNode %u ToNodePin %u\n", Connection[NodeConnectionIndex].FromNode, Connection[NodeConnectionIndex].FromNodePin, Connection[NodeConnectionIndex].ToNode, Connection[NodeConnectionIndex].ToNodePin );
  32
  33     if ((Connection[NodeConnectionIndex].ToNode == KSFILTER_NODE && bUpDirection == FALSE) ||
  34         (Connection[NodeConnectionIndex].FromNode == KSFILTER_NODE && bUpDirection == TRUE))
  35     {
  36         /* iteration stops here */
  37        if (bUpDirection)
  38            PinId = Connection[NodeConnectionIndex].FromNodePin;
  39        else
  40            PinId = Connection[NodeConnectionIndex].ToNodePin;
  41
  42        //DPRINT("GetTargetPinsByNodeIndex FOUND Target Pin %u Parsed %u\n", PinId, Pins[PinId]);
  43
  44        /* mark pin index as a target pin */
  45        Pins[PinId] = TRUE;
  46        return MM_STATUS_SUCCESS;
  47     }
  48
  49     // get all node indexes referenced by that node
  50     if (bUpDirection)
  51     {
  52         Status = MMixerGetNodeIndexes(MixerContext, NodeConnections, Connection[NodeConnectionIndex].FromNode, TRUE, FALSE, &NodeConnectionCount, &NodeConnection);
  53     }
  54     else
  55     {
  56         Status = MMixerGetNodeIndexes(MixerContext, NodeConnections, Connection[NodeConnectionIndex].ToNode, TRUE, TRUE, &NodeConnectionCount, &NodeConnection);
  57     }
  58
  59     if (Status == MM_STATUS_SUCCESS)
  60     {
  61         for(Index = 0; Index < NodeConnectionCount; Index++)
  62         {
  63             // iterate recursively into the nodes
  64             Status = MMixerGetTargetPinsByNodeConnectionIndex(MixerContext, NodeConnections, NodeTypes, bUpDirection, NodeConnection[Index], Pins);
  65             ASSERT(Status == MM_STATUS_SUCCESS);
  66         }
  67         // free node connection indexes
  68         MixerContext->Free(NodeConnection);
  69     }
  70
  71     return Status;
  72 }
  73
  74 MIXER_STATUS
  75 MMixerGetControlsFromPinByConnectionIndex(
  76     IN PMIXER_CONTEXT MixerContext,
  77     IN PKSMULTIPLE_ITEM NodeConnections,
  78     IN PKSMULTIPLE_ITEM NodeTypes,
  79     IN ULONG bUpDirection,
  80     IN ULONG NodeConnectionIndex,
  81     OUT PULONG Nodes)
  82 {
  83     PKSTOPOLOGY_CONNECTION CurConnection;
  84     LPGUID NodeType;
  85     ULONG NodeIndex;
  86     MIXER_STATUS Status;
  87     ULONG NodeConnectionCount, Index;
  88     PULONG NodeConnection;
  89
  90
  91     /* get current connection */
  92     CurConnection = MMixerGetConnectionByIndex(NodeConnections, NodeConnectionIndex);
  93
  94     if (bUpDirection)
  95         NodeIndex = CurConnection->FromNode;
  96     else
  97         NodeIndex = CurConnection->ToNode;
  98
  99     /* get target node type of current connection */
 100     NodeType = MMixerGetNodeType(NodeTypes, NodeIndex);
 101
 102     if (IsEqualGUIDAligned(NodeType, &KSNODETYPE_SUM) || IsEqualGUIDAligned(NodeType, &KSNODETYPE_MUX))
 103     {
 104         if (bUpDirection)
 105         {
 106             /* add the sum / mux node to destination line */
 107             Nodes[NodeIndex] = TRUE;
 108         }
 109
 110         return MM_STATUS_SUCCESS;
 111     }
 112
 113     /* now add the node */
 114     Nodes[NodeIndex] = TRUE;
 115
 116
 117     /* get all node indexes referenced by that node */
 118     if (bUpDirection)
 119     {
 120         Status = MMixerGetNodeIndexes(MixerContext, NodeConnections, NodeIndex, TRUE, FALSE, &NodeConnectionCount, &NodeConnection);
 121     }
 122     else
 123     {
 124         Status = MMixerGetNodeIndexes(MixerContext, NodeConnections, NodeIndex, TRUE, TRUE, &NodeConnectionCount, &NodeConnection);
 125     }
 126
 127     if (Status != MM_STATUS_SUCCESS)
 128     {
 129         for(Index = 0; Index < NodeConnectionCount; Index++)
 130         {
 131             /* iterate recursively into the nodes */
 132             Status = MMixerGetControlsFromPinByConnectionIndex(MixerContext, NodeConnections, NodeTypes, bUpDirection, NodeConnection[Index], Nodes);
 133             ASSERT(Status == MM_STATUS_SUCCESS);
 134         }
 135         /* free node connection indexes */
 136         MixerContext->Free(NodeConnection);
 137     }
 138
 139     return Status;
 140 }
 141
 142 MIXER_STATUS
 143 MMixerAddMixerControl(
 144     IN PMIXER_CONTEXT MixerContext,
 145     IN LPMIXER_INFO MixerInfo,
 146     IN HANDLE hDevice,
 147     IN PKSMULTIPLE_ITEM NodeTypes,
 148     IN ULONG NodeIndex,
 149     IN LPMIXERLINE_EXT MixerLine,
 150     OUT LPMIXERCONTROLW MixerControl)
 151 {
 152     LPGUID NodeType;
 153     KSP_NODE Node;
 154     ULONG BytesReturned;
 155     MIXER_STATUS Status;
 156     LPWSTR Name;
 157
 158     /* initialize mixer control */
 159     MixerControl->cbStruct = sizeof(MIXERCONTROLW);
 160     MixerControl->dwControlID = MixerInfo->ControlId;
 161
 162     /* get node type */
 163     NodeType = MMixerGetNodeType(NodeTypes, NodeIndex);
 164     /* store control type */
 165     MixerControl->dwControlType = MMixerGetControlTypeFromTopologyNode(NodeType);
 166
 167     MixerControl->fdwControl = MIXERCONTROL_CONTROLF_UNIFORM; //FIXME
 168     MixerControl->cMultipleItems = 0; //FIXME
 169
 170     if (MixerControl->dwControlType == MIXERCONTROL_CONTROLTYPE_MUTE)
 171     {
 172         MixerControl->Bounds.dwMinimum = 0;
 173         MixerControl->Bounds.dwMaximum = 1;
 174     }
 175     else if (MixerControl->dwControlType == MIXERCONTROL_CONTROLTYPE_VOLUME)
 176     {
 177         MixerControl->Bounds.dwMinimum = 0;
 178         MixerControl->Bounds.dwMaximum = 0xFFFF;
 179         MixerControl->Metrics.cSteps = 0xC0; //FIXME
 180     }
 181
 182     /* setup request to retrieve name */
 183     Node.NodeId = NodeIndex;
 184     Node.Property.Id = KSPROPERTY_TOPOLOGY_NAME;
 185     Node.Property.Flags = KSPROPERTY_TYPE_GET;
 186     Node.Property.Set = KSPROPSETID_Topology;
 187     Node.Reserved = 0;
 188
 189     /* get node name size */
 190     Status = MixerContext->Control(hDevice, IOCTL_KS_PROPERTY, (PVOID)&Node, sizeof(KSP_NODE), NULL, 0, &BytesReturned);
 191
 192     if (Status == MM_STATUS_MORE_ENTRIES)
 193     {
 194         ASSERT(BytesReturned != 0);
 195         Name = (LPWSTR)MixerContext->Alloc(BytesReturned);
 196         if (!Name)
 197         {
 198             /* not enough memory */
 199             return MM_STATUS_NO_MEMORY;
 200         }
 201
 202         /* get node name */
 203         Status = MixerContext->Control(hDevice, IOCTL_KS_PROPERTY, (PVOID)&Node, sizeof(KSP_NODE), (LPVOID)Name, BytesReturned, &BytesReturned);
 204         if (Status != MM_STATUS_SUCCESS)
 205         {
 206             MixerContext->Copy(MixerControl->szShortName, Name, (min(MIXER_SHORT_NAME_CHARS, wcslen(Name)+1)) * sizeof(WCHAR));
 207             MixerControl->szShortName[MIXER_SHORT_NAME_CHARS-1] = L'\0';
 208
 209             MixerContext->Copy(MixerControl->szName, Name, (min(MIXER_LONG_NAME_CHARS, wcslen(Name)+1)) * sizeof(WCHAR));
 210             MixerControl->szName[MIXER_LONG_NAME_CHARS-1] = L'\0';
 211         }
 212
 213         /* free name buffer */
 214         MixerContext->Free(Name);
 215     }
 216
 217     MixerInfo->ControlId++;
 218 #if 0
 219     if (MixerControl->dwControlType == MIXERCONTROL_CONTROLTYPE_MUX)
 220     {
 221         KSNODEPROPERTY Property;
 222         ULONG PinId = 2;
 223
 224         /* setup the request */
 225         RtlZeroMemory(&Property, sizeof(KSNODEPROPERTY));
 226
 227         Property.NodeId = NodeIndex;
 228         Property.Property.Id = KSPROPERTY_AUDIO_MUX_SOURCE;
 229         Property.Property.Flags = KSPROPERTY_TYPE_SET;
 230         Property.Property.Set = KSPROPSETID_Audio;
 231
 232         /* get node volume level info */
 233         Status = MixerContext->Control(hDevice, IOCTL_KS_PROPERTY, (PVOID)&Property, sizeof(KSNODEPROPERTY), (PVOID)&PinId, sizeof(ULONG), &BytesReturned);
 234
 235         DPRINT1("Status %x NodeIndex %u PinId %u\n", Status, NodeIndex, PinId);
 236         //DbgBreakPoint();
 237     }else
 238 #endif
 239     if (MixerControl->dwControlType == MIXERCONTROL_CONTROLTYPE_VOLUME)
 240     {
 241         KSNODEPROPERTY_AUDIO_CHANNEL Property;
 242         ULONG Length;
 243         PKSPROPERTY_DESCRIPTION Desc;
 244         PKSPROPERTY_MEMBERSHEADER Members;
 245         PKSPROPERTY_STEPPING_LONG Range;
 246
 247         Length = sizeof(KSPROPERTY_DESCRIPTION) + sizeof(KSPROPERTY_MEMBERSHEADER) + sizeof(KSPROPERTY_STEPPING_LONG);
 248         Desc = (PKSPROPERTY_DESCRIPTION)MixerContext->Alloc(Length);
 249         ASSERT(Desc);
 250
 251         /* setup the request */
 252         RtlZeroMemory(&Property, sizeof(KSNODEPROPERTY_AUDIO_CHANNEL));
 253
 254         Property.NodeProperty.NodeId = NodeIndex;
 255         Property.NodeProperty.Property.Id = KSPROPERTY_AUDIO_VOLUMELEVEL;
 256         Property.NodeProperty.Property.Flags = KSPROPERTY_TYPE_BASICSUPPORT;
 257         Property.NodeProperty.Property.Set = KSPROPSETID_Audio;
 258
 259         /* get node volume level info */
 260         Status = MixerContext->Control(hDevice, IOCTL_KS_PROPERTY, (PVOID)&Property, sizeof(KSNODEPROPERTY_AUDIO_CHANNEL), Desc, Length, &BytesReturned);
 261
 262         if (Status == MM_STATUS_SUCCESS)
 263         {
 264             LPMIXERVOLUME_DATA VolumeData;
 265             ULONG Steps, MaxRange, Index;
 266             LONG Value;
 267
 268             Members = (PKSPROPERTY_MEMBERSHEADER)(Desc + 1);
 269             Range = (PKSPROPERTY_STEPPING_LONG)(Members + 1);
 270
 271             DPRINT("NodeIndex %u Range Min %d Max %d Steps %x UMin %x UMax %x\n", NodeIndex, Range->Bounds.SignedMinimum, Range->Bounds.SignedMaximum, Range->SteppingDelta, Range->Bounds.UnsignedMinimum, Range->Bounds.UnsignedMaximum);
 272
 273             MaxRange = Range->Bounds.UnsignedMaximum  - Range->Bounds.UnsignedMinimum;
 274
 275             if (MaxRange)
 276             {
 277                 ASSERT(MaxRange);
 278                 VolumeData = (LPMIXERVOLUME_DATA)MixerContext->Alloc(sizeof(MIXERVOLUME_DATA));
 279                 if (!VolumeData)
 280                     return MM_STATUS_NO_MEMORY;
 281
 282                 Steps = MaxRange / Range->SteppingDelta + 1;
 283
 284                 /* store mixer control info there */
 285                 VolumeData->Header.dwControlID = MixerControl->dwControlID;
 286                 VolumeData->SignedMaximum = Range->Bounds.SignedMaximum;
 287                 VolumeData->SignedMinimum = Range->Bounds.SignedMinimum;
 288                 VolumeData->SteppingDelta = Range->SteppingDelta;
 289                 VolumeData->ValuesCount = Steps;
 290                 VolumeData->InputSteppingDelta = 0x10000 / Steps;
 291
 292                 VolumeData->Values = (PLONG)MixerContext->Alloc(sizeof(LONG) * Steps);
 293                 if (!VolumeData->Values)
 294                 {
 295                     MixerContext->Free(Desc);
 296                     MixerContext->Free(VolumeData);
 297
 298                     return MM_STATUS_NO_MEMORY;
 299                 }
 300
 301                 Value = Range->Bounds.SignedMinimum;
 302                 for(Index = 0; Index < Steps; Index++)
 303                 {
 304                     VolumeData->Values[Index] = Value;
 305                     Value += Range->SteppingDelta;
 306                 }
 307                 InsertTailList(&MixerLine->LineControlsExtraData, &VolumeData->Header.Entry);
 308            }
 309        }
 310        MixerContext->Free(Desc);
 311     }
 312
 313
 314     DPRINT("Status %x Name %S\n", Status, MixerControl->szName);
 315     return MM_STATUS_SUCCESS;
 316 }
 317
 318 MIXER_STATUS
 319 MMixerAddMixerSourceLine(
 320     IN PMIXER_CONTEXT MixerContext,
 321     IN OUT LPMIXER_INFO MixerInfo,
 322     IN HANDLE hDevice,
 323     IN PKSMULTIPLE_ITEM NodeConnections,
 324     IN PKSMULTIPLE_ITEM NodeTypes,
 325     IN ULONG PinId,
 326     IN ULONG bBridgePin,
 327     IN ULONG bTargetPin)
 328 {
 329     LPMIXERLINE_EXT SrcLine, DstLine;
 330     MIXER_STATUS Status;
 331     KSP_PIN Pin;
 332     LPWSTR PinName;
 333     GUID NodeType;
 334     ULONG BytesReturned, ControlCount, Index;
 335     PULONG Nodes;
 336
 337     if (!bTargetPin)
 338     {
 339         /* allocate src mixer line */
 340         SrcLine = (LPMIXERLINE_EXT)MixerContext->Alloc(sizeof(MIXERLINE_EXT));
 341
 342         if (!SrcLine)
 343             return MM_STATUS_NO_MEMORY;
 344
 345         /* zero struct */
 346         RtlZeroMemory(SrcLine, sizeof(MIXERLINE_EXT));
 347
 348     }
 349     else
 350     {
 351         ASSERT(!IsListEmpty(&MixerInfo->LineList));
 352         SrcLine = MMixerGetSourceMixerLineByLineId(MixerInfo, DESTINATION_LINE);
 353     }
 354
 355     /* get destination line */
 356     DstLine = MMixerGetSourceMixerLineByLineId(MixerInfo, DESTINATION_LINE);
 357     ASSERT(DstLine);
 358
 359
 360     if (!bTargetPin)
 361     {
 362         /* initialize mixer src line */
 363         SrcLine->hDevice = hDevice;
 364         SrcLine->PinId = PinId;
 365         SrcLine->Line.cbStruct = sizeof(MIXERLINEW);
 366
 367         /* initialize mixer destination line */
 368         SrcLine->Line.cbStruct = sizeof(MIXERLINEW);
 369         SrcLine->Line.dwDestination = 0;
 370         SrcLine->Line.dwSource = DstLine->Line.cConnections;
 371         SrcLine->Line.dwLineID = (DstLine->Line.cConnections * 0x10000);
 372         SrcLine->Line.fdwLine = MIXERLINE_LINEF_ACTIVE | MIXERLINE_LINEF_SOURCE;
 373         SrcLine->Line.dwUser = 0;
 374         SrcLine->Line.cChannels = DstLine->Line.cChannels;
 375         SrcLine->Line.cConnections = 0;
 376         SrcLine->Line.Target.dwType = 1;
 377         SrcLine->Line.Target.dwDeviceID = DstLine->Line.Target.dwDeviceID;
 378         SrcLine->Line.Target.wMid = MixerInfo->MixCaps.wMid;
 379         SrcLine->Line.Target.wPid = MixerInfo->MixCaps.wPid;
 380         SrcLine->Line.Target.vDriverVersion = MixerInfo->MixCaps.vDriverVersion;
 381         InitializeListHead(&SrcLine->LineControlsExtraData);
 382         wcscpy(SrcLine->Line.Target.szPname, MixerInfo->MixCaps.szPname);
 383
 384     }
 385
 386     /* allocate a node arrary */
 387     Nodes = (PULONG)MixerContext->Alloc(sizeof(ULONG) * NodeTypes->Count);
 388
 389     if (!Nodes)
 390     {
 391         /* not enough memory */
 392         if (!bTargetPin)
 393         {
 394             MixerContext->Free(SrcLine);
 395         }
 396         return MM_STATUS_NO_MEMORY;
 397     }
 398
 399     Status = MMixerGetControlsFromPin(MixerContext, NodeConnections, NodeTypes, PinId, bTargetPin, Nodes);
 400     if (Status != MM_STATUS_SUCCESS)
 401     {
 402         /* something went wrong */
 403         if (!bTargetPin)
 404         {
 405             MixerContext->Free(SrcLine);
 406         }
 407         MixerContext->Free(Nodes);
 408         return Status;
 409     }
 410
 411     /* now count all nodes controlled by that pin */
 412     ControlCount = 0;
 413     for(Index = 0; Index < NodeTypes->Count; Index++)
 414     {
 415         if (Nodes[Index])
 416             ControlCount++;
 417     }
 418
 419     /* now allocate the line controls */
 420     if (ControlCount)
 421     {
 422         SrcLine->LineControls = (LPMIXERCONTROLW)MixerContext->Alloc(sizeof(MIXERCONTROLW) * ControlCount);
 423
 424         if (!SrcLine->LineControls)
 425         {
 426             /* no memory available */
 427             if (!bTargetPin)
 428             {
 429                 MixerContext->Free(SrcLine);
 430             }
 431             MixerContext->Free(Nodes);
 432             return MM_STATUS_NO_MEMORY;
 433         }
 434
 435         SrcLine->NodeIds = (PULONG)MixerContext->Alloc(sizeof(ULONG) * ControlCount);
 436         if (!SrcLine->NodeIds)
 437         {
 438             /* no memory available */
 439             MixerContext->Free(SrcLine->LineControls);
 440             if (!bTargetPin)
 441             {
 442                 MixerContext->Free(SrcLine);
 443             }
 444             MixerContext->Free(Nodes);
 445             return MM_STATUS_NO_MEMORY;
 446         }
 447
 448         /* zero line controls */
 449         RtlZeroMemory(SrcLine->LineControls, sizeof(MIXERCONTROLW) * ControlCount);
 450         RtlZeroMemory(SrcLine->NodeIds, sizeof(ULONG) * ControlCount);
 451
 452         ControlCount = 0;
 453         for(Index = 0; Index < NodeTypes->Count; Index++)
 454         {
 455             if (Nodes[Index])
 456             {
 457                 /* store the node index for retrieving / setting details */
 458                 SrcLine->NodeIds[ControlCount] = Index;
 459
 460                 Status = MMixerAddMixerControl(MixerContext, MixerInfo, hDevice, NodeTypes, Index, SrcLine, &SrcLine->LineControls[ControlCount]);
 461                 if (Status != MM_STATUS_SUCCESS)
 462                 {
 463                     /* increment control count on success */
 464                     ControlCount++;
 465                 }
 466             }
 467         }
 468         /* store control count */
 469         SrcLine->Line.cControls = ControlCount;
 470     }
 471
 472     /* release nodes array */
 473     MixerContext->Free(Nodes);
 474
 475     /* get pin category */
 476     Pin.PinId = PinId;
 477     Pin.Reserved = 0;
 478     Pin.Property.Flags = KSPROPERTY_TYPE_GET;
 479     Pin.Property.Set = KSPROPSETID_Pin;
 480     Pin.Property.Id = KSPROPERTY_PIN_CATEGORY;
 481
 482     /* try get pin category */
 483     Status = MixerContext->Control(hDevice, IOCTL_KS_PROPERTY, (PVOID)&Pin, sizeof(KSP_PIN), (LPVOID)&NodeType, sizeof(GUID), &BytesReturned);
 484     if (Status != MM_STATUS_SUCCESS)
 485     {
 486         //FIXME
 487         //map component type
 488     }
 489
 490     /* retrieve pin name */
 491     Pin.PinId = PinId;
 492     Pin.Reserved = 0;
 493     Pin.Property.Flags = KSPROPERTY_TYPE_GET;
 494     Pin.Property.Set = KSPROPSETID_Pin;
 495     Pin.Property.Id = KSPROPERTY_PIN_NAME;
 496
 497     /* try get pin name size */
 498     Status = MixerContext->Control(hDevice, IOCTL_KS_PROPERTY, (PVOID)&Pin, sizeof(KSP_PIN), NULL, 0, &BytesReturned);
 499
 500     if (Status != STATUS_MORE_ENTRIES)
 501     {
 502         SrcLine->Line.szShortName[0] = L'\0';
 503         SrcLine->Line.szName[0] = L'\0';
 504     }
 505     else
 506     {
 507         PinName = (LPWSTR)MixerContext->Alloc(BytesReturned);
 508         if (PinName)
 509         {
 510             /* try get pin name */
 511             Status = MixerContext->Control(hDevice, IOCTL_KS_PROPERTY, (PVOID)&Pin, sizeof(KSP_PIN), (LPVOID)PinName, BytesReturned, &BytesReturned);
 512
 513             if (Status != MM_STATUS_SUCCESS)
 514             {
 515                 MixerContext->Copy(SrcLine->Line.szShortName, PinName, (min(MIXER_SHORT_NAME_CHARS, wcslen(PinName)+1)) * sizeof(WCHAR));
 516                 SrcLine->Line.szShortName[MIXER_SHORT_NAME_CHARS-1] = L'\0';
 517
 518                 MixerContext->Copy(SrcLine->Line.szName, PinName, (min(MIXER_LONG_NAME_CHARS, wcslen(PinName)+1)) * sizeof(WCHAR));
 519                 SrcLine->Line.szName[MIXER_LONG_NAME_CHARS-1] = L'\0';
 520             }
 521             MixerContext->Free(PinName);
 522         }
 523     }
 524
 525     /* insert src line */
 526     if (!bTargetPin)
 527     {
 528         InsertTailList(&MixerInfo->LineList, &SrcLine->Entry);
 529         DstLine->Line.cConnections++;
 530     }
 531
 532     return MM_STATUS_SUCCESS;
 533 }
 534
 535 MIXER_STATUS
 536 MMixerCreateDestinationLine(
 537     IN PMIXER_CONTEXT MixerContext,
 538     IN LPMIXER_INFO MixerInfo,
 539     IN ULONG bInputMixer)
 540 {
 541     LPMIXERLINE_EXT DestinationLine;
 542
 543     // allocate a mixer destination line
 544     DestinationLine = (LPMIXERLINE_EXT) MixerContext->Alloc(sizeof(MIXERLINE_EXT));
 545     if (!MixerInfo)
 546     {
 547         // no memory
 548         return MM_STATUS_NO_MEMORY;
 549     }
 550
 551     /* initialize mixer destination line */
 552     DestinationLine->Line.cbStruct = sizeof(MIXERLINEW);
 553     DestinationLine->Line.dwSource = MAXULONG;
 554     DestinationLine->Line.dwLineID = DESTINATION_LINE;
 555     DestinationLine->Line.fdwLine = MIXERLINE_LINEF_ACTIVE;
 556     DestinationLine->Line.dwUser = 0;
 557     DestinationLine->Line.dwComponentType = (bInputMixer == 0 ? MIXERLINE_COMPONENTTYPE_DST_SPEAKERS : MIXERLINE_COMPONENTTYPE_DST_WAVEIN);
 558     DestinationLine->Line.cChannels = 2; //FIXME
 559     wcscpy(DestinationLine->Line.szShortName, L"Summe"); //FIXME
 560     wcscpy(DestinationLine->Line.szName, L"Summe"); //FIXME
 561     DestinationLine->Line.Target.dwType = (bInputMixer == 0 ? MIXERLINE_TARGETTYPE_WAVEOUT : MIXERLINE_TARGETTYPE_WAVEIN);
 562     DestinationLine->Line.Target.dwDeviceID = !bInputMixer;
 563     DestinationLine->Line.Target.wMid = MixerInfo->MixCaps.wMid;
 564     DestinationLine->Line.Target.wPid = MixerInfo->MixCaps.wPid;
 565     DestinationLine->Line.Target.vDriverVersion = MixerInfo->MixCaps.vDriverVersion;
 566     wcscpy(DestinationLine->Line.Target.szPname, MixerInfo->MixCaps.szPname);
 567
 568
 569     // insert into mixer info
 570     InsertHeadList(&MixerInfo->LineList, &DestinationLine->Entry);
 571
 572     // done
 573     return MM_STATUS_SUCCESS;
 574 }
 575
 576 MIXER_STATUS
 577 MMixerGetControlsFromPin(
 578     IN PMIXER_CONTEXT MixerContext,
 579     IN PKSMULTIPLE_ITEM NodeConnections,
 580     IN PKSMULTIPLE_ITEM NodeTypes,
 581     IN ULONG PinId,
 582     IN ULONG bUpDirection,
 583     OUT PULONG Nodes)
 584 {
 585     ULONG NodeConnectionCount, Index;
 586     MIXER_STATUS Status;
 587     PULONG NodeConnection;
 588
 589     /* sanity check */
 590     ASSERT(PinId != (ULONG)-1);
 591
 592     /* get all node indexes referenced by that pin */
 593     if (bUpDirection)
 594         Status = MMixerGetNodeIndexes(MixerContext, NodeConnections, PinId, FALSE, FALSE, &NodeConnectionCount, &NodeConnection);
 595     else
 596         Status = MMixerGetNodeIndexes(MixerContext, NodeConnections, PinId, FALSE, TRUE, &NodeConnectionCount, &NodeConnection);
 597
 598     for(Index = 0; Index < NodeConnectionCount; Index++)
 599     {
 600         /* get all associated controls */
 601         Status = MMixerGetControlsFromPinByConnectionIndex(MixerContext, NodeConnections, NodeTypes, bUpDirection, NodeConnection[Index], Nodes);
 602     }
 603
 604     MixerContext->Free(NodeConnection);
 605
 606     return Status;
 607 }
 608
 609
 610
 611
 612 MIXER_STATUS
 613 MMixerAddMixerSourceLines(
 614     IN PMIXER_CONTEXT MixerContext,
 615     IN OUT LPMIXER_INFO MixerInfo,
 616     IN HANDLE hDevice,
 617     IN PKSMULTIPLE_ITEM NodeConnections,
 618     IN PKSMULTIPLE_ITEM NodeTypes,
 619     IN ULONG PinsCount,
 620     IN ULONG BridgePinIndex,
 621     IN ULONG TargetPinIndex,
 622     IN PULONG Pins)
 623 {
 624     ULONG Index;
 625
 626     for(Index = PinsCount; Index > 0; Index--)
 627     {
 628         if (Pins[Index-1])
 629         {
 630             MMixerAddMixerSourceLine(MixerContext, MixerInfo, hDevice, NodeConnections, NodeTypes, Index-1, (Index -1 == BridgePinIndex), (Index -1 == TargetPinIndex));
 631         }
 632     }
 633     return MM_STATUS_SUCCESS;
 634 }
 635
 636
 637 MIXER_STATUS
 638 MMixerHandlePhysicalConnection(
 639     IN PMIXER_CONTEXT MixerContext,
 640     IN OUT LPMIXER_INFO MixerInfo,
 641     IN ULONG bInput,
 642     IN PKSPIN_PHYSICALCONNECTION OutConnection)
 643 {
 644     PULONG PinsRef = NULL, PinConnectionIndex = NULL, PinsSrcRef;
 645     ULONG PinsRefCount, Index, PinConnectionIndexCount;
 646     MIXER_STATUS Status;
 647     HANDLE hDevice = NULL;
 648     PFILE_OBJECT FileObject = NULL;
 649     PKSMULTIPLE_ITEM NodeTypes = NULL;
 650     PKSMULTIPLE_ITEM NodeConnections = NULL;
 651     PULONG MixerControls;
 652     ULONG MixerControlsCount;
 653
 654
 655     // open the connected filter
 656     Status = MixerContext->Open(OutConnection->SymbolicLinkName, &hDevice);
 657     if (Status != MM_STATUS_SUCCESS)
 658     {
 659         DPRINT1("OpenDevice failed with %x\n", Status);
 660         return Status;
 661     }
 662
 663     // get connected filter pin count
 664     PinsRefCount = MMixerGetFilterPinCount(MixerContext, hDevice);
 665     ASSERT(PinsRefCount);
 666
 667     PinsRef = (PULONG)MixerContext->Alloc(sizeof(ULONG) * PinsRefCount);
 668     if (!PinsRef)
 669     {
 670         // no memory
 671         MixerContext->Close(hDevice);
 672         return MM_STATUS_UNSUCCESSFUL;
 673     }
 674
 675     // get topology node types
 676     Status = MMixerGetFilterTopologyProperty(MixerContext, hDevice, KSPROPERTY_TOPOLOGY_NODES, &NodeTypes);
 677     if (Status != MM_STATUS_SUCCESS)
 678     {
 679         MixerContext->Close(hDevice);
 680         MixerContext->Free(PinsRef);
 681         return Status;
 682     }
 683
 684     // get topology connections
 685     Status = MMixerGetFilterTopologyProperty(MixerContext, hDevice, KSPROPERTY_TOPOLOGY_CONNECTIONS, &NodeConnections);
 686     if (Status != MM_STATUS_SUCCESS)
 687     {
 688         MixerContext->Close(hDevice);
 689         MixerContext->Free(PinsRef);
 690         MixerContext->Free(NodeTypes);
 691         return Status;
 692     }
 693     //  gets connection index of the bridge pin which connects to a node
 694     DPRINT("Pin %u\n", OutConnection->Pin);
 695
 696     Status = MMixerGetNodeIndexes(MixerContext, NodeConnections, OutConnection->Pin, FALSE, !bInput, &PinConnectionIndexCount, &PinConnectionIndex);
 697     if (Status != MM_STATUS_SUCCESS)
 698     {
 699         MixerContext->Close(hDevice);
 700         MixerContext->Free(PinsRef);
 701         MixerContext->Free(NodeTypes);
 702         MixerContext->Free(NodeConnections);
 703         return Status;
 704     }
 705
 706     /* there should be no split in the bride pin */
 707     ASSERT(PinConnectionIndexCount == 1);
 708
 709     /* find all target pins of this connection */
 710     Status = MMixerGetTargetPinsByNodeConnectionIndex(MixerContext, NodeConnections, NodeTypes, FALSE, PinConnectionIndex[0], PinsRef);
 711     if (Status != MM_STATUS_SUCCESS)
 712     {
 713         MixerContext->Close(hDevice);
 714         MixerContext->Free(PinsRef);
 715         MixerContext->Free(NodeTypes);
 716         MixerContext->Free(NodeConnections);
 717         MixerContext->Free(PinConnectionIndex);
 718         return Status;
 719     }
 720
 721     for(Index = 0; Index < PinsRefCount; Index++)
 722     {
 723         if (PinsRef[Index])
 724         {
 725             // found a target pin, now get all references
 726             Status = MMixerGetNodeIndexes(MixerContext, NodeConnections, Index, FALSE, FALSE, &MixerControlsCount, &MixerControls);
 727             if (Status != MM_STATUS_SUCCESS)
 728                 break;
 729
 730             /* sanity check */
 731             ASSERT(MixerControlsCount == 1);
 732
 733             PinsSrcRef = (PULONG)MixerContext->Alloc(PinsRefCount * sizeof(ULONG));
 734             if (!PinsSrcRef)
 735             {
 736                 /* no memory */
 737                 MixerContext->Close(hDevice);
 738                 MixerContext->Free(PinsRef);
 739                 MixerContext->Free(NodeTypes);
 740                 MixerContext->Free(NodeConnections);
 741                 MixerContext->Free(PinConnectionIndex);
 742                 MixerContext->Free(MixerControls);
 743                 return MM_STATUS_NO_MEMORY;
 744             }
 745
 746             // now get all connected source pins
 747             Status = MMixerGetTargetPinsByNodeConnectionIndex(MixerContext, NodeConnections, NodeTypes, TRUE, MixerControls[0], PinsSrcRef);
 748             if (Status != MM_STATUS_SUCCESS)
 749             {
 750                 // failed */
 751                 MixerContext->Close(hDevice);
 752                 MixerContext->Free(PinsRef);
 753                 MixerContext->Free(NodeTypes);
 754                 MixerContext->Free(NodeConnections);
 755                 MixerContext->Free(PinConnectionIndex);
 756                 MixerContext->Free(MixerControls);
 757                 MixerContext->Free(PinsSrcRef);
 758                 return Status;
 759             }
 760
 761             /* add pins from target line */
 762             if (!bInput)
 763             {
 764                 // dont add bridge pin for input mixers
 765                 PinsSrcRef[Index] = TRUE;
 766                 PinsSrcRef[OutConnection->Pin] = TRUE;
 767             }
 768             PinsSrcRef[OutConnection->Pin] = TRUE;
 769
 770             Status = MMixerAddMixerSourceLines(MixerContext, MixerInfo, FileObject, NodeConnections, NodeTypes, PinsRefCount, OutConnection->Pin, Index, PinsSrcRef);
 771
 772             MixerContext->Free(MixerControls);
 773             MixerContext->Free(PinsSrcRef);
 774         }
 775     }
 776
 777     return Status;
 778 }
 779
 780
 781 MIXER_STATUS
 782 MMixerInitializeFilter(
 783     IN PMIXER_CONTEXT MixerContext,
 784     IN PMIXER_LIST MixerList,
 785     IN HANDLE hMixer,
 786     IN LPWSTR DeviceName,
 787     IN PKSMULTIPLE_ITEM NodeTypes,
 788     IN PKSMULTIPLE_ITEM NodeConnections,
 789     IN ULONG PinCount,
 790     IN ULONG NodeIndex,
 791     IN ULONG bInputMixer)
 792 {
 793     LPMIXER_INFO MixerInfo;
 794     MIXER_STATUS Status;
 795     PKSPIN_PHYSICALCONNECTION OutConnection;
 796     ULONG Index;
 797     ULONG * Pins;
 798
 799     // allocate a mixer info struct
 800     MixerInfo = (LPMIXER_INFO) MixerContext->Alloc(sizeof(MIXER_INFO));
 801     if (!MixerInfo)
 802     {
 803         // no memory
 804         return MM_STATUS_NO_MEMORY;
 805     }
 806
 807     // intialize mixer caps */
 808     MixerInfo->MixCaps.wMid = MM_MICROSOFT; //FIXME
 809     MixerInfo->MixCaps.wPid = MM_PID_UNMAPPED; //FIXME
 810     MixerInfo->MixCaps.vDriverVersion = 1; //FIXME
 811     MixerInfo->MixCaps.fdwSupport = 0;
 812     MixerInfo->MixCaps.cDestinations = 1;
 813     MixerInfo->hMixer = hMixer;
 814
 815     // initialize line list
 816     InitializeListHead(&MixerInfo->LineList);
 817
 818     /* FIXME find mixer name */
 819
 820     Status = MMixerCreateDestinationLine(MixerContext, MixerInfo, bInputMixer);
 821     if (Status != MM_STATUS_SUCCESS)
 822     {
 823         // failed to create destination line
 824         MixerContext->Free(MixerInfo);
 825         return Status;
 826     }
 827
 828
 829     // now allocate an array which will receive the indices of the pin
 830     // which has a ADC / DAC nodetype in its path
 831     Pins = (PULONG)MixerContext->Alloc(PinCount * sizeof(ULONG));
 832
 833     if (!Pins)
 834     {
 835         // no memory
 836         MMixerFreeMixerInfo(MixerContext, MixerInfo);
 837         return MM_STATUS_NO_MEMORY;
 838     }
 839
 840     // now get the target pins of the ADC / DAC node
 841     Status = MMixerGetTargetPins(MixerContext, NodeTypes, NodeConnections, NodeIndex, bInputMixer, Pins, PinCount);
 842
 843     if (Status != MM_STATUS_SUCCESS)
 844     {
 845         // failed to locate target pins
 846         MixerContext->Free(Pins);
 847         MMixerFreeMixerInfo(MixerContext, MixerInfo);
 848         return Status;
 849     }
 850
 851     // now check all pins and generate new lines for destination lines
 852     for(Index = 0; Index < PinCount; Index++)
 853     {
 854         // is the current index a target pin
 855         if (Pins[Index])
 856         {
 857             // check if the pin has a physical connection
 858             Status = MMixerGetPhysicalConnection(MixerContext, hMixer, Index, &OutConnection);
 859             if (Status != MM_STATUS_SUCCESS)
 860             {
 861                 // the pin has a physical connection
 862                 Status = MMixerHandlePhysicalConnection(MixerContext, MixerInfo, bInputMixer, OutConnection);
 863
 864                 MixerContext->Free(OutConnection);
 865             }
 866         }
 867     }
 868     MixerContext->Free(Pins);
 869
 870     // store mixer info in list
 871     InsertTailList(&MixerList->MixerList, &MixerInfo->Entry);
 872     MixerList->MixerListCount++;
 873
 874     // done
 875     return Status;
 876 }
 877
 878 MIXER_STATUS
 879 MMixerSetupFilter(
 880     IN PMIXER_CONTEXT MixerContext,
 881     IN PMIXER_LIST MixerList,
 882     IN HANDLE hMixer,
 883     IN PULONG DeviceCount,
 884     IN LPWSTR DeviceName)
 885 {
 886     PKSMULTIPLE_ITEM NodeTypes, NodeConnections;
 887     MIXER_STATUS Status;
 888     ULONG PinCount;
 889     ULONG NodeIndex;
 890
 891     // get number of pins
 892     PinCount = MMixerGetFilterPinCount(MixerContext, hMixer);
 893     ASSERT(PinCount);
 894
 895
 896     // get filter node types
 897     Status = MMixerGetFilterTopologyProperty(MixerContext, hMixer, KSPROPERTY_TOPOLOGY_NODES, &NodeTypes);
 898     if (Status != MM_STATUS_SUCCESS)
 899     {
 900         // failed
 901         return Status;
 902     }
 903
 904     // get filter node connections
 905     Status = MMixerGetFilterTopologyProperty(MixerContext, hMixer, KSPROPERTY_TOPOLOGY_CONNECTIONS, &NodeConnections);
 906     if (Status != MM_STATUS_SUCCESS)
 907     {
 908         // failed
 909         MixerContext->Free(NodeTypes);
 910         return Status;
 911     }
 912
 913     // check if the filter has an wave out node
 914     NodeIndex = MMixerGetIndexOfGuid(NodeTypes, &KSNODETYPE_DAC);
 915     if (NodeIndex != MAXULONG)
 916     {
 917         // it has
 918         Status = MMixerInitializeFilter(MixerContext, MixerList, hMixer, DeviceName, NodeTypes, NodeConnections, PinCount, NodeIndex, FALSE);
 919
 920         // check for success
 921         if (Status == MM_STATUS_SUCCESS)
 922         {
 923             // increment mixer count
 924             (*DeviceCount)++;
 925         }
 926
 927     }
 928
 929     // check if the filter has an wave in node
 930     NodeIndex = MMixerGetIndexOfGuid(NodeTypes, &KSNODETYPE_ADC);
 931     if (NodeIndex != MAXULONG)
 932     {
 933         // it has
 934         Status = MMixerInitializeFilter(MixerContext, MixerList, hMixer, DeviceName, NodeTypes, NodeConnections, PinCount, NodeIndex, TRUE);
 935
 936         // check for success
 937         if (Status == MM_STATUS_SUCCESS)
 938         {
 939             // increment mixer count
 940             (*DeviceCount)++;
 941         }
 942
 943     }
 944
 945     //free resources
 946     MixerContext->Free((PVOID)NodeTypes);
 947     MixerContext->Free((PVOID)NodeConnections);
 948
 949     // done
 950     return Status;
 951 }