diff options
Diffstat (limited to '')
| -rw-r--r-- | test/TestPortAudioDevice.pas | 178 |
1 files changed, 143 insertions, 35 deletions
diff --git a/test/TestPortAudioDevice.pas b/test/TestPortAudioDevice.pas index d77bff8f..0747e412 100644 --- a/test/TestPortAudioDevice.pas +++ b/test/TestPortAudioDevice.pas @@ -42,7 +42,6 @@ uses const paDefaultApi = -1; -const ApiPreferenceOrder: {$IF Defined(MSWINDOWS)} // Note1: Portmixer has no mixer support for paASIO and paWASAPI at the moment @@ -57,8 +56,23 @@ const array[0..0] of TPaHostApiTypeId = ( paDefaultApi ); {$IFEND} + standardSampleRates: array[1..13] of cdouble = + ( 8000.0, 9600.0, 11025.0, 12000.0, 16000.0, + 22050.0, 24000.0, 32000.0, 44100.0, 48000.0, + 88200.0, 96000.0, 192000.0 + ); + + SampleFormat: array[1..8] of culong = + (paFloat32, paInt32, paInt24, paInt16, paInt8, paUInt8, + paCustomFormat, paNonInterleaved + ); + SampleFormatName: array[1..8] of string = + ('paFloat32', 'paInt32', 'paInt24', 'paInt16', 'paInt8', 'paUInt8', + 'paCustomFormat', 'paNonInterleaved' + ); + var - i: integer; + i, j: integer; PaError: TPaError; paApiIndex: TPaHostApiIndex; paApiInfo: PPaHostApiInfo; @@ -67,7 +81,12 @@ var inputParameters: PPaStreamParameters; outputParameters: PPaStreamParameters; sampleRate: cdouble; - + stream: PPaStream; + framesPerBuffer: culong; + streamFlags: TPaStreamFlags; + streamCallback: PPaStreamCallback; + userData: Pointer; + function GetPreferredApiIndex(): TPaHostApiIndex; var i: integer; @@ -105,6 +124,35 @@ begin end; end; +function DummyCallback(input: pointer; output: pointer; frameCount: longword; + timeInfo: PPaStreamCallbackTimeInfo; statusFlags: TPaStreamCallbackFlags; + userData: pointer): integer; cdecl; +begin + result := paContinue; +end; + +function MicrophoneCallback(input: pointer; output: pointer; frameCount: longword; + timeInfo: PPaStreamCallbackTimeInfo; statusFlags: TPaStreamCallbackFlags; + inputDevice: pointer): integer; cdecl; +begin +// AudioInputProcessor.HandleMicrophoneData(input, frameCount*4, inputDevice); + result := paContinue; +end; + +function PortaudioAudioCallback(input: pointer; output: pointer; frameCount: longword; + timeInfo: PPaStreamCallbackTimeInfo; statusFlags: TPaStreamCallbackFlags; + userData: pointer): integer; cdecl; +{var + Engine: TAudioPlayback_Portaudio; +}begin +{ Engine := TAudioPlayback_Portaudio(userData); + // update latency + Engine.Latency := timeInfo.outputBufferDacTime - timeInfo.currentTime; + // call superclass callback + Engine.AudioCallback(output, frameCount * Engine.FormatInfo.FrameSize); +} Result := paContinue; +end; + begin writeln ('Start: Test of Portaudio libs'); writeln; @@ -214,18 +262,16 @@ begin writeln ('deviceInfo[', i, '].hostApi: ', deviceInfo^.hostApi); writeln ('deviceInfo[', i, '].maxInputChannels: ', deviceInfo^.maxInputChannels); writeln ('deviceInfo[', i, '].maxOutputChannels: ', deviceInfo^.maxOutputChannels); - writeln ('deviceInfo[', i, '].defaultLowInputLatency: ', deviceInfo^.defaultLowInputLatency); - writeln ('deviceInfo[', i, '].defaultLowOutputLatency: ', deviceInfo^.defaultLowOutputLatency); - writeln ('deviceInfo[', i, '].defaultHighInputLatency: ', deviceInfo^.defaultHighInputLatency); - writeln ('deviceInfo[', i, '].defaultHighOutputLatency: ', deviceInfo^.defaultHighOutputLatency); + writeln ('deviceInfo[', i, '].defaultLowInputLatency: ', deviceInfo^.defaultLowInputLatency:6:4); + writeln ('deviceInfo[', i, '].defaultLowOutputLatency: ', deviceInfo^.defaultLowOutputLatency:6:4); + writeln ('deviceInfo[', i, '].defaultHighInputLatency: ', deviceInfo^.defaultHighInputLatency:6:4); + writeln ('deviceInfo[', i, '].defaultHighOutputLatency: ', deviceInfo^.defaultHighOutputLatency:6:4); writeln ('deviceInfo[', i, '].defaultSampleRate: ', deviceInfo^.defaultSampleRate:5:0); writeln; end; PaError := Pa_Terminate; writeln ('*** Test of Pa_IsFormatSupported ***'); -// Note: the fields of deviceInfo can also be used without the '^'. -// deviceInfo.name works as well as deviceInfo^.name PaError := Pa_Initialize; paApiIndex := GetPreferredApiIndex(); paApiInfo := Pa_GetHostApiInfo(paApiIndex); @@ -236,12 +282,13 @@ begin writeln ('Device[', i, '] ', deviceInfo^.name, ':'); New(inputParameters); New(outputParameters); + if deviceInfo^.maxInputChannels > 0 then begin inputParameters^.device := deviceIndex; inputParameters^.channelCount := deviceInfo^.maxInputChannels; inputParameters^.sampleFormat := paInt16; - inputParameters^.suggestedLatency := deviceInfo^.defaultLowInputLatency; + inputParameters^.suggestedLatency := 0; inputParameters^.hostApiSpecificStreamInfo := nil; outputParameters := nil; end @@ -251,52 +298,113 @@ begin outputParameters^.device := deviceIndex; outputParameters^.channelCount := deviceInfo^.maxOutputChannels; outputParameters^.sampleFormat := paInt16; - outputParameters^.suggestedLatency := deviceInfo^.defaultLowOutputLatency; + outputParameters^.suggestedLatency := 0; outputParameters^.hostApiSpecificStreamInfo := nil; end; + sampleRate := deviceInfo^.defaultSampleRate; PaError := Pa_IsFormatSupported(inputParameters, outputParameters, sampleRate); if PaError = paFormatIsSupported then writeln ('Sample rate: ', sampleRate:5:0, ' : supported') else writeln ('Sample rate: ', sampleRate:5:0, ' : Error: ', Pa_GetErrorText(PaError)); -{ - try - sampleRate := 48000; + +{$IF not Defined(DARWIN)} // as long as the darwin bug is not resolved + for j := low(standardSampleRates) to high(standardSampleRates) do + begin + sampleRate := standardSampleRates[j]; PaError := Pa_IsFormatSupported(inputParameters, outputParameters, sampleRate); if PaError = paFormatIsSupported then writeln ('Sample rate: ', sampleRate:5:0, ' : supported') else writeln ('Sample rate: ', sampleRate:5:0, ' : Error: ', PaError); - except - On EDivByZero do - begin - writeln ('Division by 0 error with sample rate ', sampleRate:5:0); - PaError := Pa_Terminate; - PaError := Pa_Initialize; - end; end; - try - sampleRate := 90000; - PaError := Pa_IsFormatSupported(inputParameters, outputParameters, sampleRate); +{$IFEND} + + writeln; + for j := low(SampleFormat) to high(SampleFormat) do + begin + if inputParameters <> nil then + inputParameters^.sampleFormat := SampleFormat[j] + else + outputParameters^.sampleFormat := SampleFormat[j]; + PaError := Pa_IsFormatSupported(inputParameters, outputParameters, sampleRate); if PaError = paFormatIsSupported then - writeln ('Sample rate: ', sampleRate:5:0, ' : supported') + writeln ('Sample Format ', SampleFormatName[j], ': supported') else - writeln ('Sample rate: ', sampleRate:5:0, ' : Error: ', Pa_GetErrorText(PaError)); - except - On EDivByZero do - begin - writeln ('Division by 0 error with sample rate ', sampleRate:5:0); - PaError := Pa_Terminate; - PaError := Pa_Initialize; - end; + writeln ('Sample Format ', SampleFormatName[j], ': ', Pa_GetErrorText(PaError)); end; -} + Dispose(inputParameters); Dispose(outputParameters); + writeln; end; - writeln; PaError := Pa_Terminate; + writeln ('*** Test of Pa_OpenStream and Pa_CloseStream ***'); + PaError := Pa_Initialize; + paApiIndex := GetPreferredApiIndex(); + paApiInfo := Pa_GetHostApiInfo(paApiIndex); + for i:= 0 to paApiInfo^.deviceCount - 1 do + begin + deviceIndex := Pa_HostApiDeviceIndexToDeviceIndex(paApiIndex, i); + deviceInfo := Pa_GetDeviceInfo(deviceIndex); + writeln ('Device[', i, '] ', deviceInfo^.name, ':'); + New(inputParameters); + New(outputParameters); + New(stream); + New(userData); + if deviceInfo^.maxInputChannels > 0 then + begin + inputParameters^.device := deviceIndex; + inputParameters^.channelCount := deviceInfo^.maxInputChannels; + inputParameters^.sampleFormat := paInt16; + inputParameters^.suggestedLatency := 0; + inputParameters^.hostApiSpecificStreamInfo := nil; + outputParameters := nil; + end + else + begin + inputParameters := nil; + outputParameters^.device := deviceIndex; + outputParameters^.channelCount := deviceInfo^.maxOutputChannels; + outputParameters^.sampleFormat := paInt16; + outputParameters^.suggestedLatency := 0; + outputParameters^.hostApiSpecificStreamInfo := nil; + end; + + sampleRate := deviceInfo^.defaultSampleRate; + framesPerBuffer := paFramesPerBufferUnspecified; + streamFlags := paNoFlag; + streamCallback := @DummyCallback; + + PaError := Pa_OpenStream( + stream, + inputParameters, + outputParameters, + sampleRate, + framesPerBuffer, + streamFlags, + streamCallback, + userData + ); + if PaError = paNoError then + writeln ('Pa_OpenStream: success') + else + writeln ('Pa_OpenStream: ', Pa_GetErrorText(PaError)); + + PaError := Pa_CloseStream(stream); + if PaError = paNoError then + writeln ('Pa_CloseStream: success') + else + writeln ('Pa_CloseStream: ', Pa_GetErrorText(PaError)); + + Dispose(inputParameters); + Dispose(outputParameters); + + writeln; + end; + PaError := Pa_Terminate; + writeln ('End: Test of Portaudio libs'); end.
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