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CMake: Added PA_WDMKS_NO_KSGUID_LIB to WDMKS and solution folders

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WDMKS: Support for default device (see caveat for input devices though in ScanDeviceInfos)
       Added possibility to set channel mask
This commit is contained in:
robiwan 2014-04-09 14:27:21 +00:00
commit 4aa340a57e
6 changed files with 192 additions and 54 deletions
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8
examples/CMakeLists.txt
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@ -3,11 +3,19 @@
MACRO(ADD_EXAMPLE appl_name)
ADD_EXECUTABLE(${appl_name} "${appl_name}.c")
TARGET_LINK_LIBRARIES(${appl_name} portaudio_static)
SET_TARGET_PROPERTIES(${appl_name}
PROPERTIES
FOLDER "Examples C"
)
ENDMACRO(ADD_EXAMPLE)
MACRO(ADD_EXAMPLE_CPP appl_name)
ADD_EXECUTABLE(${appl_name} "${appl_name}.cpp")
TARGET_LINK_LIBRARIES(${appl_name} portaudio_static)
SET_TARGET_PROPERTIES(${appl_name}
PROPERTIES
FOLDER "Examples C++"
)
ENDMACRO(ADD_EXAMPLE_CPP)
ADD_EXAMPLE(pa_devs)

45
examples/paex_sine_c++.cpp
View file

@ -78,6 +78,12 @@ public:
return false;
}
const PaDeviceInfo* pInfo = Pa_GetDeviceInfo(index);
if (pInfo != 0)
{
printf("Output device name: '%s'\r", pInfo->name);
}
outputParameters.channelCount = 2; /* stereo output */
outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */
outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
@ -88,7 +94,7 @@ public:
NULL, /* no input */
&outputParameters,
SAMPLE_RATE,
FRAMES_PER_BUFFER,
paFramesPerBufferUnspecified,
paClipOff, /* we won't output out of range samples so don't bother clipping them */
&Sine::paCallback,
this /* Using 'this' for userData so we can cast to Sine* in paCallback method */
@ -212,18 +218,38 @@ private:
char message[20];
};
class ScopedPaHandler
{
public:
ScopedPaHandler()
: _result(Pa_Initialize())
{
}
~ScopedPaHandler()
{
if (_result == paNoError)
{
Pa_Terminate();
}
}
PaError result() const { return _result; }
private:
PaError _result;
};
/*******************************************************************/
int main(void);
int main(void)
{
PaError err;
Sine sine;
printf("PortAudio Test: output sine wave. SR = %d, BufSize = %d\n", SAMPLE_RATE, FRAMES_PER_BUFFER);
err = Pa_Initialize();
if( err != paNoError ) goto error;
ScopedPaHandler paInit;
if( paInit.result() != paNoError ) goto error;
if (sine.open(Pa_GetDefaultOutputDevice()))
{
@ -238,15 +264,12 @@ int main(void)
sine.close();
}
Pa_Terminate();
printf("Test finished.\n");
return err;
return paNoError;
error:
Pa_Terminate();
fprintf( stderr, "An error occured while using the portaudio stream\n" );
fprintf( stderr, "Error number: %d\n", err );
fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
return err;
fprintf( stderr, "Error number: %d\n", paInit.result() );
fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( paInit.result() ) );
return 1;
}