summaryrefslogtreecommitdiff
path: root/tests/teststops.cpp
diff options
context:
space:
mode:
authorGary Scavone <gary@music.mcgill.ca>2011-04-13 00:50:38 +0000
committerStephen Sinclair <sinclair@music.mcgill.ca>2013-10-11 01:38:27 +0200
commit6faf4336eb5952b141e1c239d194f5cd70f0a885 (patch)
tree0138f26b95005b27ecc888e0c2dacf5f7ffe09b5 /tests/teststops.cpp
parent24a98a1971301e582dc56ef2c6ac94c342b674dd (diff)
Updates for release 4.0.8, including new python binding, new teststops.cpp program, ALSA "default" flag, and various changes to stopping behavior (GS).
Diffstat (limited to 'tests/teststops.cpp')
-rw-r--r--tests/teststops.cpp266
1 files changed, 266 insertions, 0 deletions
diff --git a/tests/teststops.cpp b/tests/teststops.cpp
new file mode 100644
index 0000000..6122734
--- /dev/null
+++ b/tests/teststops.cpp
@@ -0,0 +1,266 @@
+/******************************************/
+/*
+ teststop.cpp
+ by Gary P. Scavone, 2011
+
+ This program starts and stops an RtAudio
+ stream many times in succession and in
+ different ways to to test its functionality.
+*/
+/******************************************/
+
+#include "RtAudio.h"
+#include <iostream>
+#include <cstdlib>
+#include <cstring>
+#include <cstdio>
+
+#define PULSE_RATE 0.01 // seconds
+#define RUNTIME 0.4 // seconds
+#define PAUSETIME 0.1 // seconds
+#define REPETITIONS 10
+
+// Platform-dependent sleep routines.
+#if defined( __WINDOWS_ASIO__ ) || defined( __WINDOWS_DS__ )
+ #include <windows.h>
+ #define SLEEP( milliseconds ) Sleep( (DWORD) milliseconds )
+#else // Unix variants
+ #include <unistd.h>
+ #define SLEEP( milliseconds ) usleep( (unsigned long) (milliseconds * 1000.0) )
+#endif
+
+void usage( void ) {
+ // Error function in case of incorrect command-line
+ // argument specifications
+ std::cout << "\nuseage: teststops N fs <iDevice> <oDevice> <iChannelOffset> <oChannelOffset>\n";
+ std::cout << " where N = number of channels,\n";
+ std::cout << " fs = the sample rate,\n";
+ std::cout << " iDevice = optional input device to use (default = 0),\n";
+ std::cout << " oDevice = optional output device to use (default = 0),\n";
+ std::cout << " iChannelOffset = an optional input channel offset (default = 0),\n";
+ std::cout << " and oChannelOffset = optional output channel offset (default = 0).\n\n";
+ exit( 0 );
+}
+
+struct MyData {
+ unsigned int channels;
+ unsigned int pulseCount;
+ unsigned int frameCounter;
+ unsigned int nFrames;
+ unsigned int returnValue;
+};
+
+// Interleaved buffers
+int pulse( void *outputBuffer, void *inputBuffer, unsigned int nBufferFrames,
+ double streamTime, RtAudioStreamStatus status, void *mydata )
+{
+ // Write out a pulse signal and ignore the input buffer.
+ unsigned int i, j;
+ float sample;
+ float *buffer = (float *) outputBuffer;
+ MyData *data = (MyData *) mydata;
+
+ if ( status ) std::cout << "Stream over/underflow detected!" << std::endl;
+
+ for ( i=0; i<nBufferFrames; i++ ) {
+ if ( data->frameCounter % data->pulseCount == 0 ) sample = 0.9;
+ else sample = 0.0;
+ for ( j=0; j<data->channels; j++ )
+ *buffer++ = sample;
+
+ data->frameCounter++;
+ }
+
+ if ( data->frameCounter >= data->nFrames )
+ return data->returnValue;
+ else
+ return 0;
+}
+
+int main( int argc, char *argv[] )
+{
+ unsigned int bufferFrames, fs, oDevice = 0, iDevice = 0, iOffset = 0, oOffset = 0;
+ unsigned int runtime, pausetime;
+ char input;
+
+ // minimal command-line checking
+ if (argc < 3 || argc > 7 ) usage();
+
+ RtAudio *adc = new RtAudio();
+ if ( adc->getDeviceCount() < 1 ) {
+ std::cout << "\nNo audio devices found!\n";
+ exit( 1 );
+ }
+
+ MyData mydata;
+ mydata.channels = (unsigned int) atoi( argv[1] );
+ fs = (unsigned int) atoi( argv[2] );
+ if ( argc > 3 )
+ iDevice = (unsigned int) atoi( argv[3] );
+ if ( argc > 4 )
+ oDevice = (unsigned int) atoi(argv[4]);
+ if ( argc > 5 )
+ iOffset = (unsigned int) atoi(argv[5]);
+ if ( argc > 6 )
+ oOffset = (unsigned int) atoi(argv[6]);
+
+ // Let RtAudio print messages to stderr.
+ adc->showWarnings( true );
+
+ runtime = RUNTIME * 1000;
+ pausetime = PAUSETIME * 1000;
+
+ // Set our stream parameters for a duplex stream.
+ bufferFrames = 256;
+ RtAudio::StreamParameters oParams, iParams;
+ oParams.deviceId = oDevice;
+ oParams.nChannels = mydata.channels;
+ oParams.firstChannel = oOffset;
+
+ iParams.deviceId = iDevice;
+ iParams.nChannels = mydata.channels;
+ iParams.firstChannel = iOffset;
+
+ // First, test external stopStream() calls.
+ mydata.pulseCount = PULSE_RATE * fs;
+ mydata.nFrames = 50 * fs;
+ mydata.returnValue = 0;
+ try {
+ adc->openStream( &oParams, &iParams, RTAUDIO_SINT32, fs, &bufferFrames, &pulse, (void *)&mydata );
+
+ std::cout << "Press <enter> to start test.\n";
+ std::cin.get( input );
+
+ for (int i=0; i<REPETITIONS; i++ ) {
+ mydata.frameCounter = 0;
+ adc->startStream();
+ std::cout << "Stream started ... ";
+ SLEEP( runtime );
+ adc->stopStream();
+ std::cout << "stream externally stopped.\n";
+ SLEEP( pausetime );
+ }
+ }
+ catch ( RtError& e ) {
+ e.printMessage();
+ goto cleanup;
+ }
+
+ adc->closeStream();
+
+ // Next, test internal stopStream() calls.
+ mydata.nFrames = (unsigned int) (RUNTIME * fs);
+ mydata.returnValue = 1;
+ try {
+ adc->openStream( &oParams, &iParams, RTAUDIO_SINT32, fs, &bufferFrames, &pulse, (void *)&mydata );
+
+ std::cin.clear();
+ fflush(stdin);
+ std::cout << "\nPress <enter> to continue test.\n";
+ std::cin.get( input );
+
+ for (int i=0; i<REPETITIONS; i++ ) {
+ mydata.frameCounter = 0;
+ adc->startStream();
+ std::cout << "Stream started ... ";
+ while ( adc->isStreamRunning() ) SLEEP( 5 );
+ std::cout << "stream stopped via callback return value = 1.\n";
+ SLEEP( pausetime );
+ }
+ }
+ catch ( RtError& e ) {
+ e.printMessage();
+ goto cleanup;
+ }
+
+ adc->closeStream();
+
+ // Test internal abortStream() calls.
+ mydata.returnValue = 2;
+ try {
+ adc->openStream( &oParams, &iParams, RTAUDIO_SINT32, fs, &bufferFrames, &pulse, (void *)&mydata );
+ std::cin.clear();
+ fflush(stdin);
+ std::cout << "\nPress <enter> to continue test.\n";
+ std::cin.get( input );
+
+ for (int i=0; i<REPETITIONS; i++ ) {
+ mydata.frameCounter = 0;
+ adc->startStream();
+ std::cout << "Stream started ... ";
+ while ( adc->isStreamRunning() ) SLEEP( 5 );
+ std::cout << "stream aborted via callback return value = 2.\n";
+ SLEEP( pausetime );
+ }
+ }
+ catch ( RtError& e ) {
+ e.printMessage();
+ goto cleanup;
+ }
+
+ adc->closeStream();
+
+ // Test consecutive stream re-opening.
+ mydata.returnValue = 0;
+ mydata.nFrames = 50 * fs;
+ try {
+
+ std::cin.clear();
+ fflush(stdin);
+ std::cout << "\nPress <enter> to continue test.\n";
+ std::cin.get( input );
+
+ for (int i=0; i<REPETITIONS; i++ ) {
+ adc->openStream( &oParams, &iParams, RTAUDIO_SINT32, fs, &bufferFrames, &pulse, (void *)&mydata );
+ mydata.frameCounter = 0;
+ adc->startStream();
+ std::cout << "New stream started ... ";
+ SLEEP( runtime );
+ adc->stopStream();
+ adc->closeStream();
+ std::cout << "stream stopped externally and closed.\n";
+ SLEEP( pausetime );
+ }
+ }
+ catch ( RtError& e ) {
+ e.printMessage();
+ goto cleanup;
+ }
+
+ delete adc;
+ adc = 0;
+
+ // Test consecutive RtAudio creating and deletion.
+ try {
+
+ std::cin.clear();
+ fflush(stdin);
+ std::cout << "\nPress <enter> to continue test.\n";
+ std::cin.get( input );
+
+ for (int i=0; i<REPETITIONS; i++ ) {
+ adc = new RtAudio();
+ adc->openStream( &oParams, &iParams, RTAUDIO_SINT32, fs, &bufferFrames, &pulse, (void *)&mydata );
+ mydata.frameCounter = 0;
+ adc->startStream();
+ std::cout << "New instance and stream started ... ";
+ SLEEP( runtime );
+ adc->stopStream();
+ adc->closeStream();
+ delete adc;
+ adc = 0;
+ std::cout << "stream stopped and instance deleted.\n";
+ SLEEP( pausetime );
+ }
+ }
+ catch ( RtError& e ) {
+ e.printMessage();
+ goto cleanup;
+ }
+
+ cleanup:
+ if ( adc && adc->isStreamOpen() ) adc->closeStream();
+ if ( adc ) delete adc;
+
+ return 0;
+}