134 lines
4.6 KiB
C++
134 lines
4.6 KiB
C++
#include <windows.h>
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#include <devioctl.h>
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#include <ks.h>
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#include <ksmediap.h>
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#include "debug.h"
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#include "sad.h"
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extern "C" HANDLE hHeap;
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LONG SadAddGfxToZoneGraph(HANDLE hSad, HANDLE hGfx, PCTSTR GfxFriendlyName, PCTSTR ZoneFactoryDi, ULONG Type, ULONG Order)
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{
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KSPROPERTY Property;
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PSYSAUDIO_GFX pSadGfx;
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ULONG cbSadGfx;
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PTSTR pZoneFactoryDi;
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ULONG cbZoneFactoryDi;
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PTSTR pGfxFriendlyName;
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ULONG cbGfxFriendlyName;
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DWORD cbBytesReturned;
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LONG lresult;
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ASSERT(!IsBadStringPtr(GfxFriendlyName, 5000));
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ASSERT(!IsBadStringPtr(ZoneFactoryDi, 5000));
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Property.Set = KSPROPSETID_Sysaudio;
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Property.Id = KSPROPERTY_SYSAUDIO_ADDREMOVE_GFX;
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Property.Flags = KSPROPERTY_TYPE_SET;
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cbGfxFriendlyName = (lstrlen(GfxFriendlyName)+1) * sizeof(GfxFriendlyName[0]);
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cbZoneFactoryDi = (lstrlen(ZoneFactoryDi)+1) * sizeof(ZoneFactoryDi[0]);
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cbSadGfx = sizeof(*pSadGfx) + cbGfxFriendlyName + cbZoneFactoryDi;
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pSadGfx = (PSYSAUDIO_GFX)HeapAlloc(hHeap, HEAP_ZERO_MEMORY, cbSadGfx);
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if (pSadGfx) {
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pSadGfx->Enable = TRUE;
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pSadGfx->hGfx = hGfx;
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pSadGfx->ulOrder = Order;
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pSadGfx->ulType = Type;
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pSadGfx->ulFlags = 0;
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pZoneFactoryDi = (PTSTR)(pSadGfx+1);
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lstrcpy(pZoneFactoryDi, ZoneFactoryDi);
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pSadGfx->ulDeviceNameOffset = (ULONG)((PBYTE)pZoneFactoryDi - (PBYTE)pSadGfx);
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pGfxFriendlyName = pZoneFactoryDi + lstrlen(pZoneFactoryDi) + 1;
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lstrcpy(pGfxFriendlyName, GfxFriendlyName);
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pSadGfx->ulFriendlyNameOffset = (ULONG)((PBYTE)pGfxFriendlyName - (PBYTE)pSadGfx);
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ASSERT((PBYTE)(pGfxFriendlyName + lstrlen(pGfxFriendlyName) + 1) == ((PBYTE)pSadGfx) + cbSadGfx);
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if (DeviceIoControl(hSad, IOCTL_KS_PROPERTY,
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&Property, sizeof(Property),
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pSadGfx, cbSadGfx,
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&cbBytesReturned, NULL))
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{
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lresult = ERROR_SUCCESS;
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} else {
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// ISSUE-200/09/21-FrankYe Shoule we get other data regarding failure?
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lresult = GetLastError();
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}
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HeapFree(hHeap, 0, pSadGfx);
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} else {
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lresult = ERROR_OUTOFMEMORY;
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}
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return lresult;
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}
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LONG SadRemoveGfxFromZoneGraph(HANDLE hSad, HANDLE hGfx, PCTSTR GfxFriendlyName, PCTSTR ZoneFactoryDi, ULONG Type, ULONG Order)
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{
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KSPROPERTY Property;
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PSYSAUDIO_GFX pSadGfx;
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ULONG cbSadGfx;
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PTSTR pZoneFactoryDi;
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ULONG cbZoneFactoryDi;
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PTSTR pGfxFriendlyName;
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ULONG cbGfxFriendlyName;
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ULONG cbBytesReturned;
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LONG lresult;
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ASSERT(!IsBadStringPtr(GfxFriendlyName, 5000));
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ASSERT(!IsBadStringPtr(ZoneFactoryDi, 5000));
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Property.Set = KSPROPSETID_Sysaudio;
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Property.Id = KSPROPERTY_SYSAUDIO_ADDREMOVE_GFX;
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Property.Flags = KSPROPERTY_TYPE_SET;
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cbGfxFriendlyName = (lstrlen(GfxFriendlyName)+1) * sizeof(GfxFriendlyName[0]);
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cbZoneFactoryDi = (lstrlen(ZoneFactoryDi)+1) * sizeof(ZoneFactoryDi[0]);
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cbSadGfx = sizeof(*pSadGfx) + cbGfxFriendlyName + cbZoneFactoryDi;
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pSadGfx = (PSYSAUDIO_GFX)HeapAlloc(hHeap, HEAP_ZERO_MEMORY, cbSadGfx);
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if (pSadGfx) {
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pSadGfx->Enable = FALSE;
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pSadGfx->hGfx = hGfx;
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pSadGfx->ulOrder = Order;
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pSadGfx->ulType = Type;
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pSadGfx->ulFlags = 0;
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pZoneFactoryDi = (PTSTR)(pSadGfx+1);
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lstrcpy(pZoneFactoryDi, ZoneFactoryDi);
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pSadGfx->ulDeviceNameOffset = (ULONG)((PBYTE)pZoneFactoryDi - (PBYTE)pSadGfx);
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pGfxFriendlyName = pZoneFactoryDi + lstrlen(pZoneFactoryDi) + 1;
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lstrcpy(pGfxFriendlyName, GfxFriendlyName);
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pSadGfx->ulFriendlyNameOffset = (ULONG)((PBYTE)pGfxFriendlyName - (PBYTE)pSadGfx);
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ASSERT((PBYTE)(pGfxFriendlyName + lstrlen(pGfxFriendlyName) + 1) == ((PBYTE)pSadGfx) + cbSadGfx);
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if (DeviceIoControl(hSad, IOCTL_KS_PROPERTY,
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&Property, sizeof(Property),
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pSadGfx, cbSadGfx,
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&cbBytesReturned, NULL))
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{
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lresult = ERROR_SUCCESS;
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} else {
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// ISSUE-200/09/21-FrankYe Shoule we get other data regarding failure?
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lresult = GetLastError();
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}
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HeapFree(hHeap, 0, pSadGfx);
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} else {
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lresult = ERROR_OUTOFMEMORY;
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}
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return lresult;
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}
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