If ( sampleCount * GetSampleSize( SampleFormat) > buffer_size) Still, this is better than no check at all. be produced with compressed sample formats (which are very rare). This should never produce a false positive, but a false negative might This is more of a heuristic than a 100% valid check. Throw new ArgumentNullException( "buffer ") Public void ReadSamples( TBuffer buffer, int sampleCount) / Raised when sampleCount is larger than the buffer. CaptureSamples( Handle, buffer, sampleCount)
Public void ReadSamples( IntPtr buffer, int sampleCount)Īlc. / The number of samples to be written to the buffer. / A pointer to a previously initialized and pinned array. This method does not block: it is an error to specify a sampleCount larger than AvailableSamples. / Fills the specified buffer with samples from the internal capture ring-buffer. Doc claims the 3rd param is Number-of-Bytes, but it appears to be Number-of-Int32sĪlc. TODO: Investigate inconsistency between documentation and actual usage. / Returns the number of available samples for capture. This will not clear previously recorded samples. / The data can be queried with any method. / The number of available samples can be obtained through the property.
#AUDIOCAPTURE TIMER CODE#
/ Returns the ALC error code for this device. / Raised when an invalid context is detected. / Raised when an invalid device is detected. / Raised when an invalid value is detected. / Raised when an out of memory error is detected. / Returns the name of the device that will be used as recording default. / Returns a list of strings containing all known recording devices. / The name of the device associated with this instance. Throw new DllNotFoundException( "openal32.dll ") Public AudioCapture( string deviceName, int frequency, ALFormat sampleFormat, int bufferSize) This value expects number of samples, not bytes.
/ The size of OpenAL's capture internal ring-buffer. / The frequency that the data should be captured at. / Implicitly set parameters are: 22050Hz, 16Bit Mono, 4096 samples ringbuffer. / Opens the default device for audio recording. Alc.CaptureStop should be called prior to device shutdown, this keeps track of Alc.CaptureStart/Stop calls. This must stay private info so the end-user cannot call any Alc commands for the recording device. Public sealed class AudioCapture : IDisposable / Static methods are provided to list available devices known by the driver. / Provides methods to instantiate, use and destroy an audio device for recording.
#AUDIOCAPTURE TIMER SOFTWARE#
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#AUDIOCAPTURE TIMER FREE#
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