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authorsanine <sanine.not@pm.me>2022-08-27 23:52:56 -0500
committersanine <sanine.not@pm.me>2022-08-27 23:52:56 -0500
commita4dd0ad63c00f4dee3b86dfd3075d1d61b2b3180 (patch)
tree13bd5bfa15e6fea2a12f176bae79adf9c6fd0933 /portaudio/test/patest1.c
parentbde3e4f1bb7b8f8abca0884a7d994ee1c17a66b1 (diff)
add plibsys
Diffstat (limited to 'portaudio/test/patest1.c')
-rw-r--r--portaudio/test/patest1.c208
1 files changed, 0 insertions, 208 deletions
diff --git a/portaudio/test/patest1.c b/portaudio/test/patest1.c
deleted file mode 100644
index 25d6e3f..0000000
--- a/portaudio/test/patest1.c
+++ /dev/null
@@ -1,208 +0,0 @@
-/** @file patest1.c
- @ingroup test_src
- @brief Ring modulate the audio input with a sine wave for 20 seconds.
- @author Ross Bencina <rossb@audiomulch.com>
-*/
-/*
- * $Id$
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/*
- * The text above constitutes the entire PortAudio license; however,
- * the PortAudio community also makes the following non-binding requests:
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version. It is also
- * requested that these non-binding requests be included along with the
- * license above.
- */
-
-#include <stdio.h>
-#include <math.h>
-#include "portaudio.h"
-
-#ifndef M_PI
-#define M_PI (3.14159265)
-#endif
-
-#define SAMPLE_RATE (44100)
-
-typedef struct
-{
- float sine[100];
- int phase;
- int sampsToGo;
-}
-patest1data;
-
-static int patest1Callback( const void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData )
-{
- patest1data *data = (patest1data*)userData;
- float *in = (float*)inputBuffer;
- float *out = (float*)outputBuffer;
- int framesToCalc = framesPerBuffer;
- unsigned long i = 0;
- int finished;
-
- if( data->sampsToGo < framesPerBuffer )
- {
- framesToCalc = data->sampsToGo;
- finished = paComplete;
- }
- else
- {
- finished = paContinue;
- }
-
- for( ; i<framesToCalc; i++ )
- {
- *out++ = *in++ * data->sine[data->phase]; /* left */
- *out++ = *in++ * data->sine[data->phase++]; /* right */
- if( data->phase >= 100 )
- data->phase = 0;
- }
-
- data->sampsToGo -= framesToCalc;
-
- /* zero remainder of final buffer if not already done */
- for( ; i<framesPerBuffer; i++ )
- {
- *out++ = 0; /* left */
- *out++ = 0; /* right */
- }
-
- return finished;
-}
-
-int main(int argc, char* argv[]);
-int main(int argc, char* argv[])
-{
- PaStream *stream;
- PaError err;
- patest1data data;
- int i;
- PaStreamParameters inputParameters, outputParameters;
- const PaHostErrorInfo* herr;
-
- printf("patest1.c\n"); fflush(stdout);
- printf("Ring modulate input for 20 seconds.\n"); fflush(stdout);
-
- /* initialise sinusoidal wavetable */
- for( i=0; i<100; i++ )
- data.sine[i] = sin( ((double)i/100.) * M_PI * 2. );
- data.phase = 0;
- data.sampsToGo = SAMPLE_RATE * 20; /* 20 seconds. */
-
- /* initialise portaudio subsystem */
- err = Pa_Initialize();
-
- inputParameters.device = Pa_GetDefaultInputDevice(); /* default input device */
- if (inputParameters.device == paNoDevice) {
- fprintf(stderr, "Error: No input default device.\n");
- goto done;
- }
- inputParameters.channelCount = 2; /* stereo input */
- inputParameters.sampleFormat = paFloat32; /* 32 bit floating point input */
- inputParameters.suggestedLatency = Pa_GetDeviceInfo( inputParameters.device )->defaultLowInputLatency;
- inputParameters.hostApiSpecificStreamInfo = NULL;
-
- outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */
- if (outputParameters.device == paNoDevice) {
- fprintf(stderr,"Error: No default output device.\n");
- goto done;
- }
- outputParameters.channelCount = 2; /* stereo output */
- outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */
- outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
- outputParameters.hostApiSpecificStreamInfo = NULL;
-
- err = Pa_OpenStream(
- &stream,
- &inputParameters,
- &outputParameters,
- (double)SAMPLE_RATE, /* Samplerate in Hertz. */
- 512, /* Small buffers */
- paClipOff, /* We won't output out of range samples so don't bother clipping them. */
- patest1Callback,
- &data );
- if( err != paNoError ) goto done;
-
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto done;
-
- printf( "Press any key to end.\n" ); fflush(stdout);
-
- getc( stdin ); /* wait for input before exiting */
-
- err = Pa_AbortStream( stream );
- if( err != paNoError ) goto done;
-
- printf( "Waiting for stream to complete...\n" );
-
- /* sleep until playback has finished */
- while( ( err = Pa_IsStreamActive( stream ) ) == 1 ) Pa_Sleep(1000);
- if( err < 0 ) goto done;
-
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto done;
-
-done:
- Pa_Terminate();
-
- if( err != paNoError )
- {
- fprintf( stderr, "An error occurred while using portaudio\n" );
- if( err == paUnanticipatedHostError )
- {
- fprintf( stderr, " unanticipated host error.\n");
- herr = Pa_GetLastHostErrorInfo();
- if (herr)
- {
- fprintf( stderr, " Error number: %ld\n", herr->errorCode );
- if (herr->errorText)
- fprintf( stderr, " Error text: %s\n", herr->errorText );
- }
- else
- fprintf( stderr, " Pa_GetLastHostErrorInfo() failed!\n" );
- }
- else
- {
- fprintf( stderr, " Error number: %d\n", err );
- fprintf( stderr, " Error text: %s\n", Pa_GetErrorText( err ) );
- }
-
- err = 1; /* Always return 0 or 1, but no other return codes. */
- }
-
- printf( "bye\n" );
-
- return err;
-}