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iphone - CoreAudio AudioTimeStamp.mHostTime clock ...
https://stackoverflow.com/questions/675626/coreaudio-audiotimestamp-mhosttime-clock-frequency
When I'm running my application in the simulator the AudioTimeStamp.mHostTime appears to be in nanoseconds (1,000,000,000th of a second) whereas when running on my device (iPod Touch 2G) the frequency appears to be about 6,000,000th of a second. It appears that on OS X there is a function (AudioConvertHostTimeToNanos in CoreAudio/CoreAudioTypes ...
CoreAudio AudioTimeStamp.mHostTime clock frequency?
https://www.py4u.net/discuss/1594789
I'm running into a bit of a problem with AudioTimeStamps on the iPhone. When I'm running my application in the simulator the AudioTimeStamp.mHostTime appears to be in nanoseconds (1,000,000,000th of a second) whereas when running on my device (iPod Touch 2G) the frequency appears to be about 6,000,000th of a second.
Technical Q&A QA1643: Audio Host Time On iOS - Apple …
https://developer.apple.com/library/archive/qa/qa1643/_index.html
AudioQueueStart takes a pointer to an AudioTimeStamp structure as the inStartTime parameter indicating at which time the audio queue should start and we'll use the mHostTime field to specify our wanted start time. Listing 4 Creating a host time 5 seconds in the future for AudioQueueStart. #include "CAHostTimeBase.h"
AudioTimeStamp Struct (AudioToolbox) | Microsoft Docs
https://docs.microsoft.com/en-us/dotnet/api/audiotoolbox.audiotimestamp
Important Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Apple Developer Documentation
https://developer.apple.com/documentation/coreaudiotypes/audiotimestamp
A set of flags indicating which representations of the time are valid; see Audio Time Stamp Flags and Audio Time Stamp Flag Combination Constant. The host machine's time base (see CoreAudio/HostTime.h ). The ratio of actual host ticks per sample frame to the nominal host ticks per sample frame. Pads the structure out to force an even 8-byte ...
ios - 获取用于音频队列缓冲区的<AudioTimeStamp> - IT工具网
https://www.coder.work/article/427982
我正在尝试在Swift中创建一个连续的FIFO音频记录器。我在尝试创建audioQueueCallback时遇到问题。 从docs AudioTimeStamp开始，有以下init方法: AudioTimeStamp(mSampleTime: Float64, mHostTime: UInt64, mRateScalar: Float64, mWordClockTime: UInt64, mSMPTETime: SMPTETime, mFlags: AudioTimeStampFlags, mReserved: UInt32)
UINavigationController and autorotation
https://www.py4u.net/discuss/1594787
Place the new navigation controller off-screen at the right edge. Animate the movement of the new and old controllers' frames from right to left. Create a copy of the UINavigationItem for the incoming view controller and push it on the dummy navigation bar. When the animation completes, remove the dummy UINavigationBar from the view, and also ...
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