212 lines
5.4 KiB
C++
212 lines
5.4 KiB
C++
/*++
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Copyright (c) 2000 Microsoft Corporation
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Module Name:
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CorrectSoundDeviceId.cpp
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Abstract:
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This shim fixes calls to waveOutOpen, waveOutGetDevCaps, midiOutOpen and
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midiOutGetDevCaps with the uDeviceID equal to 0xFFFF, which was the constant
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for Wave/MIDI Mapper under 16-bit windows. Under 32-bit the new constant is
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0xFFFFFFFF. This is going to be fixed in winmm code for Whistler but we still
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keep this shim to fix apps on w2k.
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Notes:
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This is a general purpose shim.
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History:
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01/26/2000 dmunsil Created
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10/09/2000 maonis Added hooks for midiOutGetDevCaps and midiOutOpen.
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--*/
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#include "precomp.h"
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IMPLEMENT_SHIM_BEGIN(CorrectSoundDeviceId)
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#include "ShimHookMacro.h"
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APIHOOK_ENUM_BEGIN
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APIHOOK_ENUM_ENTRY(waveOutOpen)
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APIHOOK_ENUM_ENTRY(waveOutGetDevCapsA)
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APIHOOK_ENUM_ENTRY(waveOutGetDevCapsW)
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APIHOOK_ENUM_ENTRY(midiOutOpen)
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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 calls with the uDeviceID equal to 0xFFFF, which was
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the constant for Wave Mapper under 16-bit windows.
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--*/
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MMRESULT
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APIHOOK(waveOutOpen)(
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LPHWAVEOUT phwo, // return buffer
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UINT uDeviceID, // id of the device to use
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LPWAVEFORMATEX pwfx, // what format you need (i.e. 11K, 16bit, stereo)
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DWORD dwCallback, // callback for notification on buffer completion
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DWORD dwCallbackInstance, // instance handle for callback
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DWORD fdwOpen // flags
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)
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{
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if (uDeviceID == 0xFFFF) {
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LOGN(
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eDbgLevelError,
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"[waveOutOpen] Fixed invalid Wave Mapper device ID.");
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uDeviceID = (UINT)-1;
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}
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return ORIGINAL_API(waveOutOpen)(
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phwo,
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uDeviceID,
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pwfx,
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dwCallback,
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dwCallbackInstance,
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fdwOpen);
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}
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/*++
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This stub function fixes calls with the uDeviceID equal to 0xFFFF, which was
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the constant for Wave Mapper under 16-bit windows.
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--*/
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MMRESULT
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APIHOOK(waveOutGetDevCapsA)(
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UINT uDeviceID, // id of the device to use
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LPWAVEOUTCAPSA pwoc, // returned caps structure
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UINT cbwoc // size in bytes of the WAVEOUTCAPS struct
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)
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{
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if (uDeviceID == 0xFFFF) {
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LOGN(
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eDbgLevelError,
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"[waveOutGetDevCapsA] Fixed invalid Wave Mapper device ID.");
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uDeviceID = (UINT)-1;
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}
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return ORIGINAL_API(waveOutGetDevCapsA)(
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uDeviceID,
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pwoc,
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cbwoc);
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}
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/*++
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This stub function fixes calls with the uDeviceID equal to 0xFFFF, which was
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the constant for Wave Mapper under 16-bit windows.
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--*/
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MMRESULT
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APIHOOK(waveOutGetDevCapsW)(
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UINT uDeviceID, // id of the device to use
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LPWAVEOUTCAPSW pwoc, // returned caps structure
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UINT cbwoc // size in bytes of the WAVEOUTCAPS struct
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)
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{
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if (uDeviceID == 0xFFFF) {
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LOGN(
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eDbgLevelError,
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"[waveOutGetDevCapsW] Fixed invalid Wave Mapper device ID.");
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uDeviceID = (UINT)-1;
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}
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return ORIGINAL_API(waveOutGetDevCapsW)(
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uDeviceID,
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pwoc,
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cbwoc);
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}
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/*++
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This stub function fixes calls with the uDeviceID equal to 0xFFFF, which was
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the constant for MIDI Mapper under 16-bit windows.
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--*/
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MMRESULT
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APIHOOK(midiOutOpen)(
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LPHMIDIOUT phmo,
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UINT uDeviceID,
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DWORD_PTR dwCallback,
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DWORD_PTR dwInstance,
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DWORD fdwOpen
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)
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{
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if (uDeviceID == 0xffff) {
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LOGN(
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eDbgLevelError,
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"[midiOutOpen] Fixed invalid MIDI Mapper device ID.");
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uDeviceID = (UINT)-1;
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}
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return ORIGINAL_API(midiOutOpen)(
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phmo,
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uDeviceID,
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dwCallback,
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dwInstance,
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fdwOpen);
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}
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/*++
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This stub function fixes calls with the uDeviceID equal to 0xFFFF, which was
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the constant for MIDI Mapper under 16-bit windows.
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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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if (uDeviceID == 0xffff) {
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LOGN(
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eDbgLevelError,
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"[midiOutGetDevCapsA] Fixed invalid MIDI Mapper device ID.");
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uDeviceID = (UINT)-1;
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}
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return ORIGINAL_API(midiOutGetDevCapsA)(
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uDeviceID,
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pmoc,
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cbmoc);
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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, waveOutOpen)
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APIHOOK_ENTRY(WINMM.DLL, waveOutGetDevCapsA)
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APIHOOK_ENTRY(WINMM.DLL, waveOutGetDevCapsW)
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APIHOOK_ENTRY(WINMM.DLL, midiOutOpen)
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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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