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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: PaUtilHostApiSpecificStreamInfoHeader Struct ...
http://files.portaudio.com/docs/v19-doxydocs-dev/structPaUtilHostApiSpecificStreamInfoHeader.html
The common header for all data structures whose pointers are passed through the hostApiSpecificStreamInfo field of the PaStreamParameters structure. Note that in order to keep the public PortAudio interface clean, this structure is not used explicitly when declaring hostApiSpecificStreamInfo data structures.
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.
PortAudio: pa_fuzz.c Source File
http://files.portaudio.com/docs/v19-doxydocs/pa__fuzz_8c_source.html
82 #define FUZZ (x) CubicAmplifier (CubicAmplifier (CubicAmplifier (CubicAmplifier (x)))) 83. 84 static int gNumNoInputs = 0; 85 /* This routine will be called by the PortAudio engine when audio is needed. 86 ** It may be called at interrupt level on some machines so don't do anything.
PortAudio: paex_record.c Source File
http://files.portaudio.com/docs/v19-doxydocs/paex__record_8c_source.html
139 data->frameIndex += framesToCalc; 140 return finished; 141 } 142. 143 /* This routine will be called by the PortAudio engine when audio is needed. 144 ** It may be called at interrupt level on some machines so don't do anything. 145 ** that could mess up …
PortAudio: paex_sine.c Source File
http://portaudio.com/docs/v19-doxydocs/paex__sine_8c_source.html
66 /* This routine will be called by the PortAudio engine when audio is needed. 67 ** It may called at interrupt level on some machines so don't do anything 68 ** that could mess up the system like calling malloc() or free().
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