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2014/10/15 ¤U¤È 10:04:49

iphone Programming Glossary: bzero

iOS 5: Data encryption AES-256 EncryptWithKey: not found

http://stackoverflow.com/questions/11482470/ios-5-data-encryption-aes-256-encryptwithkey-not-found

should be 32 bytes for AES256 will be null padded otherwise char keyPtr kCCKeySizeAES256 1 room for terminator unused bzero keyPtr sizeof keyPtr fill with zeroes for padding fetch key data key getCString keyPtr maxLength sizeof keyPtr encoding.. should be 32 bytes for AES256 will be null padded otherwise char keyPtr kCCKeySizeAES256 1 room for terminator unused bzero keyPtr sizeof keyPtr fill with zeroes for padding fetch key data key getCString keyPtr maxLength sizeof keyPtr encoding..

Writing video + generated audio to AVAssetWriterInput, audio stuttering

http://stackoverflow.com/questions/12187124/writing-video-generated-audio-to-avassetwriterinput-audio-stuttering

frameRate sample_position_ 0 audio_fmt_desc_ nil int nchannels 2 AudioStreamBasicDescription audioFormat bzero audioFormat sizeof audioFormat audioFormat.mSampleRate 44100 audioFormat.mFormatID kAudioFormatLinearPCM audioFormat.mFramesPerPacket.. retain videoWriter addInput videoWriterInput pb Added audio input. sample_position_ 0 AudioChannelLayout acl bzero acl sizeof acl acl.mChannelLayoutTag kAudioChannelLayoutTag_Stereo NSDictionary audioOutputSettings nil audioOutputSettings..

How to check for local Wi-Fi (not just cellular connection) using iPhone SDK?

http://stackoverflow.com/questions/1448411/how-to-check-for-local-wi-fi-not-just-cellular-connection-using-iphone-sdk

BOOL addressReachable const struct sockaddr_in hostAddress BOOL localWiFiAvailable struct sockaddr_in localWifiAddress bzero localWifiAddress sizeof localWifiAddress localWifiAddress.sin_len sizeof localWifiAddress localWifiAddress.sin_family AF_INET..

How to simulate multi-touch with GSEvent on jailbroken device?

http://stackoverflow.com/questions/17907811/how-to-simulate-multi-touch-with-gsevent-on-jailbroken-device

of touch GSEvent struct GSTouchEvent GSEventRecord record GSHandInfo handInfo event struct GSTouchEvent touchEvent bzero touchEvent sizeof touchEvent set up GSEvent event record.type kGSEventHand event record.subtype kGSEventSubTypeUnknown event.. 0 .type event handInfo.x52 touches_count event handInfo.pathInfosCount touches_count for int i 0 i touches_count i bzero event handInfo.pathInfos i sizeof GSPathInfo event handInfo.pathInfos i .pathIndex 1 event handInfo.pathInfos i .pathIdentity..

How can I make my AES encryption identical between Java and Objective-C (iPhone)?

http://stackoverflow.com/questions/2280375/how-can-i-make-my-aes-encryption-identical-between-java-and-objective-c-iphone

byte data to encrypt. NSData AESEncryptWithKey NSString key char keyPtr kCCKeySizeAES128 1 room for terminator unused bzero keyPtr sizeof keyPtr fill with zeroes for padding fetch key data key getCString keyPtr maxLength sizeof keyPtr encoding..

UIImage - implementing an auto levels algorithm

http://stackoverflow.com/questions/3278560/uiimage-implementing-an-auto-levels-algorithm

CGColorSpaceRelease colorSpace CGContextDrawImage ctx CGRectMake 0 0 100 100 image int histogramm 256 bzero histogramm 256 sizeof int for int i 0 i 100 100 4 i 4 UInt8 value imageData i imageData i 1 imageData i 2 3 histogramm..

Is it legal to use the well-known free memory code in ipad/iphone app? [closed]

http://stackoverflow.com/questions/3823266/is-it-legal-to-use-the-well-known-free-memory-code-in-ipad-iphone-app

Allocate the remaining amount of free memory minus 2 megs size_t size freemem 2 1024 1024 void allocation malloc size bzero allocation size free allocation iphone memory free share improve this question iOS manages its memory resources pretty..

Audio Processing: Playing with volume level

http://stackoverflow.com/questions/3982723/audio-processing-playing-with-volume-level

size fileType tell the ExtAudioFile API what format we want samples back in AudioStreamBasicDescription clientFormat bzero clientFormat sizeof clientFormat clientFormat.mChannelsPerFrame fileFormat.mChannelsPerFrame clientFormat.mBytesPerFrame..

This code to write video+audio through AVAssetWriter and AVAssetWriterInputs is not working. Why?

http://stackoverflow.com/questions/4149963/this-code-to-write-videoaudio-through-avassetwriter-and-avassetwriterinputs-is

_videoWriterInput _videoWriterInput.expectsMediaDataInRealTime YES Add the audio input AudioChannelLayout acl bzero acl sizeof acl acl.mChannelLayoutTag kAudioChannelLayoutTag_Mono NSDictionary audioOutputSettings nil Both type of audio..

another question about recording, modifying and playing audio on iphone

http://stackoverflow.com/questions/5137853/another-question-about-recording-modifying-and-playing-audio-on-iphone

_integrationBufferLength int _integrationTime _sampleRate _integrationBuffer new float _integrationBufferLength 1 bzero _integrationBuffer _integrationBufferLength set the pointers for our ciruclar buffer _integrationBufferEnd _integrationBuffer..

AVAssetWritter does not work with audio

http://stackoverflow.com/questions/5200077/avassetwritter-does-not-work-with-audio

assetWriterInputWithMediaType AVMediaTypeVideo outputSettings video_settings retain AudioChannelLayout acl bzero acl sizeof acl acl.mChannelLayoutTag kAudioChannelLayoutTag_Mono audio_writer_input AVAssetWriterInput assetWriterInputWithMediaType..

How to use CCCrypt() to encrypt a file?

http://stackoverflow.com/questions/5564641/how-to-use-cccrypt-to-encrypt-a-file

this question This for encryption NSString key @ YourKey char keyPtr kCCKeySizeAES256 1 room for terminator unused bzero keyPtr sizeof keyPtr fill with zeroes for padding fetch key data key getCString keyPtr maxLength sizeof keyPtr encoding.. sizeof keyPtr encoding NSUTF8StringEncoding char dataIn This is your data char dataOut 500 set it acc ur data bzero dataOut sizeof dataOut size_t numBytesEncrypted 0 CCCryptorStatus result CCCrypt kCCEncrypt kCCAlgorithmAES128 kCCOptionPKCS7Padding.. NULL dataIn strlen dataIn dataOut sizeof dataOut numBytesEncrypted this is for decryption char dataOut2 500 bzero dataOut sizeof dataOut2 size_t numBytesDecrypted 0 CCCryptorStatus result CCCrypt kCCDecrypt kCCAlgorithmAES128 kCCOptionPKCS7Padding..

AVCaptureSession only got video buffer

http://stackoverflow.com/questions/9257052/avcapturesession-only-got-video-buffer

videoWriterInput videoWriterInput.expectsMediaDataInRealTime YES Add the audio input AudioChannelLayout acl bzero acl sizeof acl acl.mChannelLayoutTag kAudioChannelLayoutTag_Mono NSDictionary audioOutputSettings nil audioOutputSettings..