StackOverflow2013

Note that there are some explanatory texts on larger screens.

plurals

PO
primarykey
Id
11900928
data
AcceptedAnswerId
0
AnswerCount
0
ClosedDate
CommentCount
0
CommunityOwnedDate
CreationDate
2012-08-10T11:42:13.653
FavoriteCount
0
LastActivityDate
2012-08-10T12:34:45.577
LastEditDate
2012-08-10T12:34:45.577
LastEditorUserId
304
OwnerUserId
800857
ParentId
1044492
PostTypeId
2
Score
0
ViewCount
0
LastEditorDisplayName
text
Body
<pre><code>- (void)modifySpeedOf:(CFURLRef)inputURL byFactor:(float)factor andWriteTo:(CFURLRef)outputURL { ExtAudioFileRef inputFile = NULL; ExtAudioFileRef outputFile = NULL; AudioStreamBasicDescription destFormat; destFormat.mFormatID = kAudioFormatLinearPCM; destFormat.mFormatFlags = kAudioFormatFlagsCanonical; destFormat.mSampleRate = 44100 * factor; destFormat.mBytesPerPacket = 2; destFormat.mFramesPerPacket = 1; destFormat.mBytesPerFrame = 2; destFormat.mChannelsPerFrame = 1; destFormat.mBitsPerChannel = 16; destFormat.mReserved = 0; ExtAudioFileCreateWithURL(outputURL, kAudioFileCAFType, &destFormat, NULL, kAudioFileFlags_EraseFile, &outputFile); ExtAudioFileOpenURL(inputURL, &inputFile); //find out how many frames is this file long SInt64 length = 0; UInt32 dataSize2 = (UInt32)sizeof(length); ExtAudioFileGetProperty(inputFile, kExtAudioFileProperty_FileLengthFrames, &dataSize2, &length); SInt16 *buffer = (SInt16*)malloc(kBufferSize * sizeof(SInt16)); UInt32 totalFramecount = 0; AudioBufferList bufferList; bufferList.mNumberBuffers = 1; bufferList.mBuffers[0].mNumberChannels = 1; bufferList.mBuffers[0].mData = buffer; // pointer to buffer of audio data bufferList.mBuffers[0].mDataByteSize = kBufferSize * sizeof(SInt16); // number of bytes in the buffer while(true) { UInt32 frameCount = kBufferSize * sizeof(SInt16) / 2; // Read a chunk of input ExtAudioFileRead(inputFile, &frameCount, &bufferList); totalFramecount += frameCount; if (!frameCount || totalFramecount >= length) { //termination condition break; } ExtAudioFileWrite(outputFile, frameCount, &bufferList); } free(buffer); ExtAudioFileDispose(inputFile); ExtAudioFileDispose(outputFile); } </code></pre> <p>it will change pitch based on factor</p>
Tags
Title
singulars
PostAcceptedAnswerId
1. This table or related slice is empty.
PostParentId
1. POHow to use an Audio Unit on the iPhone
  singulars
  PostTypePostTypeId
  PTQuestion
PostTypePostTypeId
1. PTAnswer
UserLastEditorUserId
1. USMcDowell
UserOwnerUserId
1. USKemo
plurals
PostLinksPostIdRelatedPostId
1. This table or related slice is empty.
PostLinksRelatedPostIdPostId
1. This table or related slice is empty.
PostsAcceptedAnswerId
1. This table or related slice is empty.
PostsParentIdCreationDate
1. This table or related slice is empty.
VotesPostIdCreationDate
1. This table or related slice is empty.
CommentsPostId
1. This table or related slice is empty.

Querying!

Guidance

A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.