StackOverflow2013

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plurals

PO
primarykey
Id
11605316
data
AcceptedAnswerId
0
AnswerCount
0
ClosedDate
CommentCount
0
CommunityOwnedDate
CreationDate
2012-07-23T01:02:38.497
FavoriteCount
0
LastActivityDate
2014-01-15T03:15:54.430
LastEditDate
2014-01-15T03:15:54.430
LastEditorUserId
782220
OwnerUserId
782220
ParentId
11589786
PostTypeId
2
Score
1
ViewCount
0
LastEditorDisplayName
text
Body
<p>I figured out you have to go through COM and CoCreateInstance(). Something like</p> <pre><code>#include <windows.h> #include <stdio.h> #include <XAudio2.h> int WINAPI WinMain(HINSTANCE hinstance, HINSTANCE hprevinstance, LPSTR lpcmdline, int ncmdshow) { WAVEFORMATEX format; format.wFormatTag = 1; format.nChannels = 1; format.nSamplesPerSec = 44100; format.nAvgBytesPerSec = 44100; format.nBlockAlign = 1; format.wBitsPerSample = 8; format.cbSize = 0; CoInitializeEx(NULL, COINIT_MULTITHREADED); IXAudio2* pXAudio2 = NULL; IXAudio2SourceVoice* source = NULL; IXAudio2MasteringVoice* master = NULL; HRESULT hr; if ( FAILED(hr = XAudio2Create( &pXAudio2, 0, XAUDIO2_DEFAULT_PROCESSOR ) ) ) { MessageBox(0, L"hi", L"hi", 0); } if ( FAILED(hr = pXAudio2->CreateMasteringVoice(&master ) ) ) { MessageBox(0, L"hi", L"hi", 0); } if ( FAILED(hr = pXAudio2->CreateSourceVoice(&source, &format) ) ) { MessageBox(0, L"hi", L"hi", 0); } char str[30]; float freq = 0.0; source->GetFrequencyRatio(&freq); sprintf(str, "%f", freq); MessageBoxA(0, str, str, 0); UINT32 OperationSetCounter = 0; UINT32 OperationID = UINT32(InterlockedIncrement(LPLONG(&OperationSetCounter))); if ( FAILED(hr = source->SetFrequencyRatio(1.1,OperationID ) ) ) { MessageBox(0, L"hi", L"hi", 0); } if ( FAILED(hr = pXAudio2->CommitChanges(OperationID ) ) ) { MessageBox(0, L"hi", L"hi", 0); } float freq2 = 0.0; source->GetFrequencyRatio(&freq2); sprintf(str, "%f", freq2); MessageBoxA(0, str, str, 0); Sleep(2000); float freq3 = 0.0; source->GetFrequencyRatio(&freq3); sprintf(str, "%f", freq3); if (freq3 != 1.0) { MessageBoxA(0, str, str, 0); } source->Start(0); return 0; } </code></pre>
Tags
Title
singulars
PostAcceptedAnswerId
1. This table or related slice is empty.
PostParentId
1. POMingw, XAudio2, and GetProcAddress failing
  singulars
  PostTypePostTypeId
  PTQuestion
PostTypePostTypeId
1. PTAnswer
UserLastEditorUserId
1. USuser782220
UserOwnerUserId
1. USuser782220
plurals
PostLinksPostIdRelatedPostId
1. This table or related slice is empty.
PostLinksRelatedPostIdPostId
1. This table or related slice is empty.
PostsAcceptedAnswerId
1. POMingw, XAudio2, and GetProcAddress failing
  singulars
  PostTypePostTypeId
  PTQuestion
PostsParentIdCreationDate
1. This table or related slice is empty.
VotesPostIdCreationDate
1. VO
  singulars
  PostPostId
  PO
  UserUserId
  This table or related slice is empty.
  VoteTypeVoteTypeId
  VTAcceptedByOriginator
CommentsPostId
1. This table or related slice is empty.

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