diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/TestPortAudioDevice.pas | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/test/TestPortAudioDevice.pas b/test/TestPortAudioDevice.pas new file mode 100644 index 00000000..3b6e1cd4 --- /dev/null +++ b/test/TestPortAudioDevice.pas @@ -0,0 +1,181 @@ +{* UltraStar Deluxe - Karaoke Game + * + * UltraStar Deluxe is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + * $URL$ + * $Id$ + *} + +program TestPortAudioDevice; + +{* TestPortAudioDevice does some basic tests of the portaudio libs. + * If all works, it lists all audio input and output devices and their + * characteristics. Compile and run with simple commands. + *} + +{$IFDEF FPC} + {$MODE Delphi} +{$ENDIF} + +uses + PortAudio in '../../src/lib/portaudio/portaudio.pas'; + +const + paDefaultApi = -1; + +const + ApiPreferenceOrder: +{$IF Defined(MSWINDOWS)} + // Note1: Portmixer has no mixer support for paASIO and paWASAPI at the moment + // Note2: Windows Default-API is MME, but DirectSound is faster + array[0..0] of TPaHostApiTypeId = ( paDirectSound ); +{$ELSEIF Defined(DARWIN)} + array[0..0] of TPaHostApiTypeId = ( paDefaultApi ); // paCoreAudio +{$ELSEIF Defined(UNIX)} + // Note: Portmixer has no mixer support for JACK at the moment + array[0..2] of TPaHostApiTypeId = ( paALSA, paJACK, paOSS ); +{$ELSE} + array[0..0] of TPaHostApiTypeId = ( paDefaultApi ); +{$IFEND} + +var + i: integer; + PaError: TPaError; + paApiIndex: TPaHostApiIndex; + paApiInfo: PPaHostApiInfo; + deviceIndex: TPaDeviceIndex; + deviceInfo: PPaDeviceInfo; + +function GetPreferredApiIndex(): TPaHostApiIndex; +var + i: integer; + apiIndex: TPaHostApiIndex; + apiInfo: PPaHostApiInfo; +begin + result := -1; + + // select preferred sound-API + for i:= 0 to High(ApiPreferenceOrder) do + begin + if (ApiPreferenceOrder[i] <> paDefaultApi) then + begin + // check if API is available + apiIndex := Pa_HostApiTypeIdToHostApiIndex(ApiPreferenceOrder[i]); + if (apiIndex >= 0) then + begin + // we found an API but we must check if it works + // (on linux portaudio might detect OSS but does not provide + // any devices if ALSA is enabled) + apiInfo := Pa_GetHostApiInfo(apiIndex); + if (apiInfo^.deviceCount > 0) then + begin + Result := apiIndex; + break; + end; + end; + end; + end; + + // None of the preferred APIs is available -> use default + if (result < 0) then + begin + result := Pa_GetDefaultHostApi(); + end; +end; + +begin + writeln ('Start: Test of Portaudio libs'); + writeln; + + writeln ('*** Test of Pa_Initialize and Pa_Terminate ***'); + PaError := Pa_Initialize; + if PaError = paNoError then + writeln ('Pa_Initialize: NoError') + else + writeln ('Pa_Initialize: Error No ', PaError); + + PaError := Pa_Terminate; + if PaError = paNoError then + writeln ('Pa_Terminate: NoError') + else + writeln ('Pa_Terminate: Error No: ', PaError); + writeln; + + writeln ('*** Test of GetPreferredApiIndex ***'); + PaError := Pa_Initialize; + paApiIndex := GetPreferredApiIndex(); + if (paApiIndex = -1) then + writeln ('GetPreferredApiIndex: No working Audio-API found.') + else + writeln ('GetPreferredApiIndex: working Audio-API found. No: ', paApiIndex); + PaError := Pa_Terminate; + writeln; + + writeln ('*** Test of Pa_GetHostApiInfo ***'); + PaError := Pa_Initialize; + paApiIndex := GetPreferredApiIndex(); + paApiInfo := Pa_GetHostApiInfo(paApiIndex); + writeln ('Pa_GetHostApiInfo:'); + writeln ('paApiInfo.structVersion: ', paApiInfo.structVersion); + writeln ('paApiInfo._type: ', paApiInfo._type); + writeln ('paApiInfo.name: ', paApiInfo.name); + writeln ('paApiInfo.deviceCount: ', paApiInfo.deviceCount); + writeln ('paApiInfo.defaultInputDevice: ', paApiInfo.defaultInputDevice); + writeln ('paApiInfo.defaultOutputDevice: ', paApiInfo.defaultOutputDevice); + PaError := Pa_Terminate; + writeln; + + writeln ('*** Test of Pa_HostApiDeviceIndexToDeviceIndex ***'); + PaError := Pa_Initialize; + paApiIndex := GetPreferredApiIndex(); + paApiInfo := Pa_GetHostApiInfo(paApiIndex); + for i:= 0 to paApiInfo^.deviceCount-1 do + begin + deviceIndex := Pa_HostApiDeviceIndexToDeviceIndex(paApiIndex, i); + writeln ('deviceIndex[', i, ']: ', deviceIndex); + end; + PaError := Pa_Terminate; + writeln; + + writeln ('*** Test of Pa_GetDeviceInfo ***'); +// + 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 ('deviceInfo[', i, '].name: ', deviceInfo^.name); + writeln ('deviceInfo[', i, '].structVersion: ', deviceInfo^.structVersion, ' (should be 2)'); + 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, '].defaultSampleRate: ', deviceInfo^.defaultSampleRate:5:1); + writeln; + end; + PaError := Pa_Terminate; + + writeln ('End: Test of Portaudio libs'); +end.
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