Hostapispecificstreaminfo Portaudio

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PortAudio: PaStreamParameters Struct Reference

http://www.portaudio.com/docs/v19-doxydocs/structPaStreamParameters.html

Definition at line 546 of file portaudio.h. void* PaStreamParameters::hostApiSpecificStreamInfo An optional pointer to a host api specific data structure containing additional information for device setup and/or stream processing. hostApiSpecificStreamInfo is never required for correct operation, if not used it should be set to NULL.

PortAudio: PaUtilHostApiRepresentation Struct Reference

http://portaudio.com/docs/v19-doxydocs-dev/structPaUtilHostApiRepresentation.html

[NOTE: the following list up to *END PA FRONT VALIDATIONS* should be kept in sync with the one for ValidateOpenStreamParameters and Pa_OpenStream in pa_front.c] PaHostApiRepresentation *hostApi - is valid for this implementation PaStream** stream - is non-null - at least one of inputParameters & outputParmeters is valid (not NULL) - if ...

PortAudio: Blocking Read/Write Functions

http://files.portaudio.com/docs/v19-doxydocs/blocking_read_write.html

PortAudio V19 adds a huge advance over previous versions with a feature called Blocking I/O. Although it may have lower performance that the callback method described earlier in this tutorial, blocking I/O is easier to understand and is, in some cases, more compatible with third party systems than the callback method.

PortAudio: pa_devs.c Source File

http://files.portaudio.com/docs/v19-doxydocs/pa__devs_8c_source.html

38 * the PortAudio community also makes the following non-binding requests: 39 ... 212 inputParameters.hostApiSpecificStreamInfo = NULL; 213 ...

libsndfile - Error using WASAPI with PortAudio on Win7 ...

https://stackoverflow.com/questions/15534228/error-using-wasapi-with-portaudio-on-win7

The following code will verify whether the device referenced by index deviceIndex is a WASAPI device or not: bool isWasapi = Pa_GetHostApiInfo (Pa_GetDeviceInfo (deviceIndex)->hostApi)->type == paWASAPI; You also need to specify the same index in the out_param struct: out_param.device = deviceIndex; You did couple things I did not.

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