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authorsanine <sanine.not@pm.me>2022-08-25 14:54:53 -0500
committersanine <sanine.not@pm.me>2022-08-25 14:54:53 -0500
commit37c97e345d12f95dde44e1d1a4c2f2aadd4615bc (patch)
treee1bb25bc855883062bdd7847ff2c04290f71c840 /portaudio/test/patest_callbackstop.c
parent5634c7b04da619669f2f29f6798c03982be05180 (diff)
add initial structure
Diffstat (limited to 'portaudio/test/patest_callbackstop.c')
-rw-r--r--portaudio/test/patest_callbackstop.c252
1 files changed, 252 insertions, 0 deletions
diff --git a/portaudio/test/patest_callbackstop.c b/portaudio/test/patest_callbackstop.c
new file mode 100644
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+++ b/portaudio/test/patest_callbackstop.c
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+/** @file patest_callbackstop.c
+ @ingroup test_src
+ @brief Test the paComplete callback result code.
+ @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"
+
+#define NUM_SECONDS (5)
+#define NUM_LOOPS (4)
+#define SAMPLE_RATE (44100)
+#define FRAMES_PER_BUFFER (67)
+
+#ifndef M_PI
+#define M_PI (3.14159265)
+#endif
+
+#define TABLE_SIZE (200)
+typedef struct
+{
+ float sine[TABLE_SIZE];
+ int phase;
+ unsigned long generatedFramesCount;
+ volatile int callbackReturnedPaComplete;
+ volatile int callbackInvokedAfterReturningPaComplete;
+ char message[100];
+}
+TestData;
+
+/*
+ This routine will be called by the PortAudio stream when audio is needed.
+ It may be called at interrupt level on some machines so don't do anything
+ that could mess up the system like calling malloc() or free().
+*/
+static int TestCallback( const void *input, void *output,
+ unsigned long frameCount,
+ const PaStreamCallbackTimeInfo* timeInfo,
+ PaStreamCallbackFlags statusFlags,
+ void *userData )
+{
+ TestData *data = (TestData*)userData;
+ float *out = (float*)output;
+ unsigned long i;
+ float x;
+
+ (void) input; /* Prevent unused variable warnings. */
+ (void) timeInfo;
+ (void) statusFlags;
+
+
+ if( data->callbackReturnedPaComplete )
+ data->callbackInvokedAfterReturningPaComplete = 1;
+
+ for( i=0; i<frameCount; i++ )
+ {
+ /* generate tone */
+
+ x = data->sine[ data->phase++ ];
+ if( data->phase >= TABLE_SIZE )
+ data->phase -= TABLE_SIZE;
+
+ *out++ = x; /* left */
+ *out++ = x; /* right */
+ }
+
+ data->generatedFramesCount += frameCount;
+ if( data->generatedFramesCount >= (NUM_SECONDS * SAMPLE_RATE) )
+ {
+ data->callbackReturnedPaComplete = 1;
+ return paComplete;
+ }
+ else
+ {
+ return paContinue;
+ }
+}
+
+/*
+ * This routine is called by portaudio when playback is done.
+ */
+static void StreamFinished( void* userData )
+{
+ TestData *data = (TestData *) userData;
+ printf( "Stream Completed: %s\n", data->message );
+}
+
+
+/*----------------------------------------------------------------------------*/
+int main(void);
+int main(void)
+{
+ PaStreamParameters outputParameters;
+ PaStream *stream;
+ PaError err;
+ TestData data;
+ int i, j;
+
+
+ printf( "PortAudio Test: output sine wave. SR = %d, BufSize = %d\n",
+ SAMPLE_RATE, FRAMES_PER_BUFFER );
+
+ /* initialise sinusoidal wavetable */
+ for( i=0; i<TABLE_SIZE; i++ )
+ {
+ data.sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. );
+ }
+
+ err = Pa_Initialize();
+ if( err != paNoError ) goto error;
+
+ outputParameters.device = Pa_GetDefaultOutputDevice();
+ if (outputParameters.device == paNoDevice) {
+ fprintf(stderr,"Error: No default output device.\n");
+ goto error;
+ }
+ 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,
+ NULL, /* no input */
+ &outputParameters,
+ SAMPLE_RATE,
+ FRAMES_PER_BUFFER,
+ paClipOff, /* output will be in-range, so no need to clip */
+ TestCallback,
+ &data );
+ if( err != paNoError ) goto error;
+
+ sprintf( data.message, "Loop: XX" );
+ err = Pa_SetStreamFinishedCallback( stream, &StreamFinished );
+ if( err != paNoError ) goto error;
+
+ printf("Repeating test %d times.\n", NUM_LOOPS );
+
+ for( i=0; i < NUM_LOOPS; ++i )
+ {
+ data.phase = 0;
+ data.generatedFramesCount = 0;
+ data.callbackReturnedPaComplete = 0;
+ data.callbackInvokedAfterReturningPaComplete = 0;
+ sprintf( data.message, "Loop: %d", i );
+
+ err = Pa_StartStream( stream );
+ if( err != paNoError ) goto error;
+
+ printf("Play for %d seconds.\n", NUM_SECONDS );
+
+ /* wait for the callback to complete generating NUM_SECONDS of tone */
+
+ do
+ {
+ Pa_Sleep( 500 );
+ }
+ while( !data.callbackReturnedPaComplete );
+
+ printf( "Callback returned paComplete.\n" );
+ printf( "Waiting for buffers to finish playing...\n" );
+
+ /* wait for stream to become inactive,
+ or for a timeout of approximately NUM_SECONDS
+ */
+
+ j = 0;
+ while( (err = Pa_IsStreamActive( stream )) == 1 && j < NUM_SECONDS * 2 )
+ {
+ printf(".\n" );
+ Pa_Sleep( 500 );
+ ++j;
+ }
+
+ if( err < 0 )
+ {
+ goto error;
+ }
+ else if( err == 1 )
+ {
+ printf( "TEST FAILED: Timed out waiting for buffers to finish playing.\n" );
+ }
+ else
+ {
+ printf("Buffers finished.\n" );
+ }
+
+ if( data.callbackInvokedAfterReturningPaComplete )
+ {
+ printf( "TEST FAILED: Callback was invoked after returning paComplete.\n" );
+ }
+
+
+ err = Pa_StopStream( stream );
+ if( err != paNoError ) goto error;
+
+ printf( "sleeping for 1 second...\n" );
+ Pa_Sleep( 1000 );
+ }
+
+ err = Pa_CloseStream( stream );
+ if( err != paNoError ) goto error;
+
+ Pa_Terminate();
+ printf("Test finished.\n");
+
+ return err;
+error:
+ Pa_Terminate();
+ fprintf( stderr, "An error occurred while using the portaudio stream\n" );
+ fprintf( stderr, "Error number: %d\n", err );
+ fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
+ return err;
+}