[janderwald] 44872: [MMIXER] - Implement registering hardware events (volume / mute control changes) - Fix a bug when querying a source mixer line. The wrong line id was passed which caused the call to fail.

Author: janderwald
Date: Sat Jan  2 02:52:12 2010
New Revision: 44872

URL: http://svn.reactos.org/svn/reactos?rev=44872&view=rev
Log:
[MMIXER]
- Implement registering hardware events (volume / mute control changes)
- Fix a bug when querying a source mixer line. The wrong line id was passed which caused
the call to fail.

Modified:
    trunk/reactos/lib/drivers/sound/mmixer/controls.c
    trunk/reactos/lib/drivers/sound/mmixer/mixer.c
    trunk/reactos/lib/drivers/sound/mmixer/mmixer.h
    trunk/reactos/lib/drivers/sound/mmixer/priv.h
    trunk/reactos/lib/drivers/sound/mmixer/sup.c

Modified: trunk/reactos/lib/drivers/sound/mmixer/controls.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/drivers/sound/mmixer/c…
==============================================================================
--- trunk/reactos/lib/drivers/sound/mmixer/controls.c [iso-8859-1] (original)
+++ trunk/reactos/lib/drivers/sound/mmixer/controls.c [iso-8859-1] Sat Jan  2 02:52:12
2010
@@ -853,6 +853,7 @@
 
     // initialize line list
     InitializeListHead(&MixerInfo->LineList);
+    InitializeListHead(&MixerInfo->EventList);
 
     // now allocate an array which will receive the indices of the pin 
     // which has a ADC / DAC nodetype in its path
@@ -1075,3 +1076,79 @@
     // done
     return Status;
 }
+
+
+MIXER_STATUS
+MMixerAddEvent(
+    IN PMIXER_CONTEXT MixerContext,
+    IN OUT LPMIXER_INFO MixerInfo,
+    IN ULONG NodeId)
+{
+    KSE_NODE Property;
+    LPEVENT_ITEM EventData;
+    ULONG BytesReturned;
+    MIXER_STATUS Status;
+
+    EventData = (LPEVENT_ITEM)MixerContext->AllocEventData(sizeof(LIST_ENTRY));
+    if (!EventData)
+    {
+        // not enough memory
+        return MM_STATUS_NO_MEMORY;
+    }
+
+    /* setup request */
+    Property.Event.Set = KSEVENTSETID_AudioControlChange;
+    Property.Event.Flags = KSEVENT_TYPE_TOPOLOGY|KSEVENT_TYPE_ENABLE;
+    Property.Event.Id = KSEVENT_CONTROL_CHANGE;
+
+    Property.NodeId = NodeId;
+    Property.Reserved = 0;
+
+    Status = MixerContext->Control(MixerInfo->hMixer, IOCTL_KS_ENABLE_EVENT,
(PVOID)&Property, sizeof(KSP_NODE), (PVOID)EventData, sizeof(KSEVENTDATA),
&BytesReturned);
+    if (Status != MM_STATUS_SUCCESS)
+    {
+        // failed to add event
+        MixerContext->FreeEventData(EventData);
+        return Status;
+    }
+
+    //store event
+    InsertTailList(&MixerInfo->EventList, &EventData->Entry);
+    return Status;
+}
+
+MIXER_STATUS
+MMixerAddEvents(
+    IN PMIXER_CONTEXT MixerContext,
+    IN OUT LPMIXER_INFO MixerInfo)
+{
+    PKSMULTIPLE_ITEM NodeTypes;
+    ULONG Index;
+    MIXER_STATUS Status;
+    LPGUID Guid;
+
+    // get filter node types
+    Status = MMixerGetFilterTopologyProperty(MixerContext, MixerInfo->hMixer,
KSPROPERTY_TOPOLOGY_NODES, &NodeTypes);
+
+    if (Status != MM_STATUS_SUCCESS)
+    {
+        // failed
+        return Status;
+    }
+
+    for(Index = 0; Index < NodeTypes->Count; Index++)
+    {
+        Guid = MMixerGetNodeType(NodeTypes, Index);
+        if (IsEqualGUID(&KSNODETYPE_VOLUME, Guid) ||
IsEqualGUID(&KSNODETYPE_MUTE, Guid))
+        {
+            //add an event for volume / mute controls
+            //TODO: extra control types
+            MMixerAddEvent(MixerContext, MixerInfo, Index);
+        }
+    }
+
+    // free node types
+    MixerContext->Free(NodeTypes);
+
+    return MM_STATUS_SUCCESS;
+}

Modified: trunk/reactos/lib/drivers/sound/mmixer/mixer.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/drivers/sound/mmixer/m…
==============================================================================
--- trunk/reactos/lib/drivers/sound/mmixer/mixer.c [iso-8859-1] (original)
+++ trunk/reactos/lib/drivers/sound/mmixer/mixer.c [iso-8859-1] Sat Jan  2 02:52:12 2010
@@ -100,6 +100,9 @@
     // FIXME
     // handle event notification
 
+    Status = MMixerAddEvents(MixerContext, MixerInfo);
+
+
     // store result
     *MixerHandle = (HANDLE)MixerInfo;
 
@@ -163,7 +166,7 @@
             return MM_STATUS_INVALID_PARAMETER;
         }
 
-        MixerLineSrc = MMixerGetSourceMixerLineByLineId(MixerInfo,
MixerLine->dwSource);
+        MixerLineSrc = MMixerGetSourceMixerLineByLineId(MixerInfo, MixerLine->dwSource
* 0x10000);
         if (MixerLineSrc)
         {
             DPRINT("Line %u Name %S\n", MixerLineSrc->Line.dwSource,
MixerLineSrc->Line.szName);
@@ -422,7 +425,8 @@
         return MM_STATUS_INVALID_PARAMETER;
     }
 
-    if (!MixerContext->Alloc || !MixerContext->Control || !MixerContext->Free ||
!MixerContext->Open || 
+    if (!MixerContext->Alloc || !MixerContext->Control || !MixerContext->Free ||
!MixerContext->Open ||
+        !MixerContext->AllocEventData || !MixerContext->FreeEventData ||
         !MixerContext->Close || !MixerContext->OpenKey ||
!MixerContext->QueryKeyValue || !MixerContext->CloseKey)
     {
         // invalid parameter

Modified: trunk/reactos/lib/drivers/sound/mmixer/mmixer.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/drivers/sound/mmixer/m…
==============================================================================
--- trunk/reactos/lib/drivers/sound/mmixer/mmixer.h [iso-8859-1] (original)
+++ trunk/reactos/lib/drivers/sound/mmixer/mmixer.h [iso-8859-1] Sat Jan  2 02:52:12 2010
@@ -69,6 +69,12 @@
     IN ULONG DesiredAccess,
     OUT PHANDLE OutKey);
 
+typedef PVOID (*PMIXER_ALLOC_EVENT_DATA)(
+    IN ULONG ExtraBytes);
+
+typedef VOID (*PMIXER_FREE_EVENT_DATA)(
+    IN PVOID EventData);
+
 typedef struct
 {
      ULONG SizeOfStruct;
@@ -83,6 +89,8 @@
      PMIXER_OPEN_KEY OpenKey;
      PMIXER_QUERY_KEY_VALUE QueryKeyValue;
      PMIXER_CLOSEKEY CloseKey;
+     PMIXER_ALLOC_EVENT_DATA AllocEventData;
+     PMIXER_FREE_EVENT_DATA FreeEventData;
 }MIXER_CONTEXT, *PMIXER_CONTEXT;
 
 MIXER_STATUS

Modified: trunk/reactos/lib/drivers/sound/mmixer/priv.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/drivers/sound/mmixer/p…
==============================================================================
--- trunk/reactos/lib/drivers/sound/mmixer/priv.h [iso-8859-1] (original)
+++ trunk/reactos/lib/drivers/sound/mmixer/priv.h [iso-8859-1] Sat Jan  2 02:52:12 2010
@@ -15,8 +15,14 @@
 #include "mmixer.h"
 
 #include <stdio.h>
-
+#define YDEBUG
 #include <debug.h>
+
+typedef struct
+{
+    KSEVENTDATA EventData;
+    LIST_ENTRY Entry;
+}EVENT_ITEM, *LPEVENT_ITEM;
 
 typedef struct
 {
@@ -25,6 +31,7 @@
     HANDLE        hMixer;
     LIST_ENTRY    LineList;
     ULONG         ControlId;
+    LIST_ENTRY    EventList;
 }MIXER_INFO, *LPMIXER_INFO;
 
 typedef struct
@@ -268,4 +275,9 @@
     IN ULONG bWaveIn,
     IN ULONG PinId);
 
+MIXER_STATUS
+MMixerAddEvents(
+    IN PMIXER_CONTEXT MixerContext,
+    IN OUT LPMIXER_INFO MixerInfo);
+
 #endif

Modified: trunk/reactos/lib/drivers/sound/mmixer/sup.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/drivers/sound/mmixer/s…
==============================================================================
--- trunk/reactos/lib/drivers/sound/mmixer/sup.c [iso-8859-1] (original)
+++ trunk/reactos/lib/drivers/sound/mmixer/sup.c [iso-8859-1] Sat Jan  2 02:52:12 2010
@@ -29,6 +29,7 @@
 const GUID KSPROPSETID_Pin                     = {0x8C134960L, 0x51AD, 0x11CF, {0x87,
0x8A, 0x94, 0xF8, 0x01, 0xC1, 0x00, 0x00}};
 const GUID KSPROPSETID_General                  = {0x1464EDA5L, 0x6A8F, 0x11D1, {0x9A,
0xA7, 0x00, 0xA0, 0xC9, 0x22, 0x31, 0x96}};
 const GUID KSPROPSETID_Topology                 = {0x720D4AC0L, 0x7533, 0x11D0, {0xA5,
0xD6, 0x28, 0xDB, 0x04, 0xC1, 0x00, 0x00}};
+const GUID KSEVENTSETID_AudioControlChange      = {0xE85E9698L, 0xFA2F, 0x11D1, {0x95,
0xBD, 0x00, 0xC0, 0x4F, 0xB9, 0x25, 0xD3}};
 
 MIXER_STATUS
 MMixerVerifyContext(
@@ -37,7 +38,8 @@
     if (MixerContext->SizeOfStruct != sizeof(MIXER_CONTEXT))
         return MM_STATUS_INVALID_PARAMETER;
 
-    if (!MixerContext->Alloc || !MixerContext->Control || !MixerContext->Free ||
!MixerContext->Open || 
+    if (!MixerContext->Alloc || !MixerContext->Control || !MixerContext->Free ||
!MixerContext->Open ||
+        !MixerContext->AllocEventData || !MixerContext->FreeEventData ||
         !MixerContext->Close || !MixerContext->OpenKey ||
!MixerContext->QueryKeyValue || !MixerContext->CloseKey)
         return MM_STATUS_INVALID_PARAMETER;
 
@@ -129,7 +131,7 @@
     while(Entry != &MixerInfo->LineList)
     {
         MixerLineSrc = (LPMIXERLINE_EXT)CONTAINING_RECORD(Entry, MIXERLINE_EXT, Entry);
-        DPRINT("dwLineID %x dwLineID %x\n", MixerLineSrc->Line.dwLineID,
dwLineID);
+        DPRINT("dwLineID %x dwLineID %x MixerLineSrc %p\n",
MixerLineSrc->Line.dwLineID, dwLineID, MixerLineSrc);
         if (MixerLineSrc->Line.dwLineID == dwLineID)
             return MixerLineSrc;