86 lines
1.7 KiB
C++
86 lines
1.7 KiB
C++
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/*++
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Copyright (c) 2001 Microsoft Corporation
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Module Name:
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LinksExtreme.cpp
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Abstract:
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This app cannot recognise the MIDI technology flags properly.
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The app's internal logic cannot handle the last two technology
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flags viz. MOD_WAVETABLE and MOD_SWSYNTH. If these flags are
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returned by the call to MidiOutGetDevCapsA API, the app shows
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a messagebox and restarts after playing for a while.(AV's).
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Notes:
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This is specific to this app.
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History:
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06/20/2001 prashkud Created
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--*/
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#include "precomp.h"
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IMPLEMENT_SHIM_BEGIN(LinksExtreme)
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#include "ShimHookMacro.h"
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APIHOOK_ENUM_BEGIN
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APIHOOK_ENUM_ENTRY(midiOutGetDevCapsA)
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APIHOOK_ENUM_END
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/*++
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This stub function fixes the returned wTechnology flags.
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--*/
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MMRESULT
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APIHOOK(midiOutGetDevCapsA)(
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UINT_PTR uDeviceID,
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LPMIDIOUTCAPSA pmoc,
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UINT cbmoc
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)
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{
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MMRESULT mRes = ORIGINAL_API(midiOutGetDevCapsA)(
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uDeviceID,
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pmoc,
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cbmoc);
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if (mRes == MMSYSERR_NOERROR)
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{
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if ((pmoc->wTechnology & MOD_WAVETABLE) ||
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(pmoc->wTechnology & MOD_SWSYNTH))
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{
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pmoc->wTechnology &= ~MOD_WAVETABLE;
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pmoc->wTechnology &= ~MOD_SWSYNTH;
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// Use any of the first five wTechnology flags !!
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pmoc->wTechnology |= MOD_FMSYNTH;
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LOGN( eDbgLevelInfo,
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"[midiOutGetDevCapsA] Fixed the wTechnology flags" );
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}
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}
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return mRes;
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}
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/*++
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Register hooked functions
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--*/
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HOOK_BEGIN
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APIHOOK_ENTRY(WINMM.DLL, midiOutGetDevCapsA)
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HOOK_END
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IMPLEMENT_SHIM_END
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