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authortobigun <tobigun@b956fd51-792f-4845-bead-9b4dfca2ff2c>2010-04-27 18:56:32 +0000
committertobigun <tobigun@b956fd51-792f-4845-bead-9b4dfca2ff2c>2010-04-27 18:56:32 +0000
commit074d15b66dc7a585c28af26ff1df041349198b8c (patch)
tree2d257f898578d01171cf585583510eb90e5cc030
parenta6db8d3dae4c64681031c22d567f6d16322da2a1 (diff)
downloadusdx-074d15b66dc7a585c28af26ff1df041349198b8c.tar.gz
usdx-074d15b66dc7a585c28af26ff1df041349198b8c.tar.xz
usdx-074d15b66dc7a585c28af26ff1df041349198b8c.zip
- callback stream test added
- input latency changed to defaultHighInputLatency git-svn-id: svn://svn.code.sf.net/p/ultrastardx/svn/trunk@2312 b956fd51-792f-4845-bead-9b4dfca2ff2c
-rw-r--r--test/TestPortAudioDevice.pas165
1 files changed, 114 insertions, 51 deletions
diff --git a/test/TestPortAudioDevice.pas b/test/TestPortAudioDevice.pas
index 1b3c9e7e..ba394383 100644
--- a/test/TestPortAudioDevice.pas
+++ b/test/TestPortAudioDevice.pas
@@ -37,9 +37,8 @@ program TestPortAudioDevice;
uses
SysUtils,
ctypes,
-{$IF Defined(DARWIN)} // for setting the floating point exception mask
+ crt,
math,
-{$IFEND}
PortAudio in '../src/lib/portaudio/portaudio.pas';
const
@@ -88,8 +87,11 @@ var
framesPerBuffer: culong;
streamFlags: TPaStreamFlags;
streamCallback: PPaStreamCallback;
+ callbackStartTime: TDateTime;
+ callbackWorks: boolean;
userData: Pointer;
+
function GetPreferredApiIndex(): TPaHostApiIndex;
var
i: integer;
@@ -186,32 +188,9 @@ begin
FreeMem(SingleChannelBuffer);
end;
}
-function MicrophoneCallback(input: pointer; output: pointer; frameCount: longword;
- timeInfo: PPaStreamCallbackTimeInfo; statusFlags: TPaStreamCallbackFlags;
- inputDevice: pointer): integer; cdecl;
-begin
-// 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;
+procedure TestInitTerminate();
begin
- writeln ('Start: Test of Portaudio libs');
- writeln;
-
writeln ('*** Test of Pa_Initialize and Pa_Terminate ***');
PaError := Pa_Initialize;
if PaError = paNoError then
@@ -225,7 +204,10 @@ begin
else
writeln ('Pa_Terminate: Error No: ', PaError);
writeln;
-
+end;
+
+procedure TestErrorText();
+begin
writeln ('*** Test of Pa_GetErrorText ***');
PaError := Pa_Initialize;
writeln ('paNoError (0): ', Pa_GetErrorText(PaError));
@@ -240,32 +222,20 @@ begin
writeln (i:6, ' ', Pa_GetErrorText(i));
PaError := Pa_Terminate;
writeln;
+end;
+procedure TestVersion();
+begin
writeln ('*** Test of Pa_GetVersion and Pa_GetVersionText ***');
PaError := Pa_Initialize;
writeln ('Pa_GetVersion: ', Pa_GetVersion);
writeln ('Pa_GetVersionText: ', Pa_GetVersionText);
PaError := Pa_Terminate;
writeln;
+end;
- writeln ('*** Test of Pa_GetDeviceCount ***');
- PaError := Pa_Initialize;
- writeln ('Pa_GetDeviceCount: ', Pa_GetDeviceCount);
- PaError := Pa_Terminate;
- writeln;
-
- writeln ('*** Test of Pa_GetDefaultInputDevice ***');
- PaError := Pa_Initialize;
- writeln ('Pa_GetDefaultInputDevice: ', Pa_GetDefaultInputDevice);
- PaError := Pa_Terminate;
- writeln;
-
- writeln ('*** Test of Pa_GetDefaultOutputDevice ***');
- PaError := Pa_Initialize;
- writeln ('Pa_GetDefaultOutputDevice: ', Pa_GetDefaultOutputDevice);
- PaError := Pa_Terminate;
- writeln;
-
+procedure TestApiInfo();
+begin
writeln ('*** Test of GetPreferredApiIndex ***');
PaError := Pa_Initialize;
paApiIndex := GetPreferredApiIndex();
@@ -301,6 +271,27 @@ begin
end;
PaError := Pa_Terminate;
writeln;
+end;
+
+procedure TestDeviceInfo();
+begin
+ writeln ('*** Test of Pa_GetDeviceCount ***');
+ PaError := Pa_Initialize;
+ writeln ('Pa_GetDeviceCount: ', Pa_GetDeviceCount);
+ PaError := Pa_Terminate;
+ writeln;
+
+ writeln ('*** Test of Pa_GetDefaultInputDevice ***');
+ PaError := Pa_Initialize;
+ writeln ('Pa_GetDefaultInputDevice: ', Pa_GetDefaultInputDevice);
+ PaError := Pa_Terminate;
+ writeln;
+
+ writeln ('*** Test of Pa_GetDefaultOutputDevice ***');
+ PaError := Pa_Initialize;
+ writeln ('Pa_GetDefaultOutputDevice: ', Pa_GetDefaultOutputDevice);
+ PaError := Pa_Terminate;
+ writeln;
writeln ('*** Test of Pa_GetDeviceInfo ***');
// Note: the fields of deviceInfo can also be used without the '^'.
@@ -325,7 +316,10 @@ begin
writeln;
end;
PaError := Pa_Terminate;
+end;
+procedure TestFormatInfo();
+begin
writeln ('*** Test of Pa_IsFormatSupported ***');
PaError := Pa_Initialize;
paApiIndex := GetPreferredApiIndex();
@@ -364,9 +358,6 @@ begin
else
writeln ('Sample rate: ', sampleRate:5:0, ' : Error: ', Pa_GetErrorText(PaError));
-{$IF Defined(DARWIN)} // floating point exceptions are raised. Therefore, set the exception mask.
- SetExceptionMask([exZeroDivide, exPrecision]);
-{$IFEND}
for j := low(standardSampleRates) to high(standardSampleRates) do
begin
sampleRate := standardSampleRates[j];
@@ -396,7 +387,26 @@ begin
writeln;
end;
PaError := Pa_Terminate;
+end;
+function AudioCallback(input: pointer; output: pointer; frameCount: culong;
+ timeInfo: PPaStreamCallbackTimeInfo; statusFlags: TPaStreamCallbackFlags;
+ inputDevice: pointer): cint; cdecl;
+var
+ duration: real;
+begin
+ duration := (Now() - callbackStartTime) * 24 * 3600;
+ if (duration < 2.0) then
+ result := paContinue
+ else
+ begin
+ callbackWorks := true;
+ result := paComplete;
+ end;
+end;
+
+procedure TestStreams();
+begin
writeln ('*** Test of Pa_OpenStream and Pa_CloseStream ***');
PaError := Pa_Initialize;
paApiIndex := GetPreferredApiIndex();
@@ -413,7 +423,7 @@ begin
inputParameters^.device := deviceIndex;
inputParameters^.channelCount := deviceInfo^.maxInputChannels;
inputParameters^.sampleFormat := paInt16;
- inputParameters^.suggestedLatency := deviceInfo.defaultLowInputLatency;
+ inputParameters^.suggestedLatency := deviceInfo.defaultHighInputLatency;
inputParameters^.hostApiSpecificStreamInfo := nil;
outputParameters := nil;
end
@@ -430,9 +440,9 @@ begin
sampleRate := deviceInfo^.defaultSampleRate;
framesPerBuffer := paFramesPerBufferUnspecified;
streamFlags := paNoFlag;
- streamCallback := nil;
+ streamCallback := @AudioCallback;
userData := nil;
-
+
PaError := Pa_OpenStream(
stream,
inputParameters,
@@ -448,6 +458,43 @@ begin
else
writeln ('Pa_OpenStream: ', Pa_GetErrorText(PaError));
+ if (PaError = paNoError) and (stream <> nil) then
+ begin
+ callbackStartTime := Now();
+
+ PaError := Pa_StartStream(stream);
+ if (PaError = paNoError) then
+ writeln ('Pa_StartStream: success')
+ else
+ writeln ('Pa_StartStream: ', Pa_GetErrorText(PaError));
+
+ callbackWorks := false;
+
+ // wait twice the time a successful callback would need for termination
+ writeln('Wait for callback');
+ delay(4000);
+
+ if (callbackWorks and (Pa_IsStreamStopped(stream) = 0)) then
+ begin
+ writeln ('Success: Device works');
+ PaError := Pa_StopStream(stream);
+ if (PaError = paNoError) then
+ writeln ('Pa_StopStream: success')
+ else
+ writeln ('Pa_StopStream: ', Pa_GetErrorText(PaError));
+ end
+ else
+ begin
+ writeln ('Error: Non working device');
+ PaError := Pa_AbortStream(stream);
+ if (PaError = paNoError) then
+ writeln ('Pa_AbortStream: success')
+ else
+ writeln ('Pa_AbortStream: ', Pa_GetErrorText(PaError));
+
+ end;
+ end;
+
PaError := Pa_CloseStream(stream);
if PaError = paNoError then
writeln ('Pa_CloseStream: success')
@@ -460,6 +507,22 @@ begin
writeln;
end;
PaError := Pa_Terminate;
+end;
+
+begin
+ // floating point exceptions are raised. Therefore, set the exception mask.
+ SetExceptionMask([exZeroDivide, exPrecision]);
+
+ writeln ('Start: Test of Portaudio libs');
+ writeln;
+
+ //TestInitTerminate();
+ //TestErrorText();
+ //TestVersion();
+ //TestApiInfo();
+ //TestDeviceInfo();
+ //TestFormatInfo();
+ TestStreams();
writeln ('End: Test of Portaudio libs');
end. \ No newline at end of file