Test long recording for stalls (#1075)

You may want to use an explicit device instead of the default.

This will print the number of seconds every 10 seconds.
If it stalls it will probably print an error.

For #930 and #1074

Author: philburk

Makefile.in

@@ -104,6 +104,7 @@ TESTS = \
 	bin/patest_latency \
 	bin/patest_leftright \
 	bin/patest_longsine \
+	bin/patest_long_record \
 	bin/patest_many \
 	bin/patest_maxsines \
 	bin/patest_mono \

test/CMakeLists.txt

@@ -26,6 +26,7 @@ if(PA_USE_WASAPI)
 endif()
 add_test(patest_latency)
 add_test(patest_leftright)
+add_test(patest_long_record)
 add_test(patest_longsine)
 add_test(patest_many)
 add_test(patest_maxsines)

test/patest_long_record.c

@@ -0,0 +1,129 @@
+/** @file patest_long_record.c
+    @ingroup test_src
+    @brief Test whether we can record for many hours without failing.
+    @author Phil Burk  http://www.softsynth.com
+*/
+/*
+ * $Id$
+ *
+ * Authors:
+ *    Ross Bencina <rossb@audiomulch.com>
+ *    Phil Burk <philburk@mobileer.com>
+ *
+ * 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 <stdint.h>
+#include "portaudio.h"
+
+static int64_t sCallbackCount = 0;
+// This callback will never be called again after a certain period of time
+
+static int listening( const void *inputBuffer, void *outputBuffer,
+                      unsigned long framesPerBuffer,
+                      const PaStreamCallbackTimeInfo* timeInfo,
+                      PaStreamCallbackFlags statusFlags,
+                      void *userData ) {
+    (void) inputBuffer;
+    (void) outputBuffer;
+    (void) framesPerBuffer;
+    (void) timeInfo;
+    (void) statusFlags;
+    (void) userData;
+    sCallbackCount++;
+    return paContinue;
+}
+
+int main ( int argc, char** argv ) {
+    PaStream* stream = NULL;
+    PaStreamParameters inputParameters;
+    PaError err = 0;
+    int loopCount = 0;
+    int64_t previousCallbackCount = sCallbackCount;
+    (void) argc;
+    (void) argv;
+
+    Pa_Initialize ();
+
+    inputParameters.device = Pa_GetDefaultInputDevice(); /* default input device */
+    printf("Recording using device #%d\n", inputParameters.device);
+    inputParameters.channelCount = 1;
+    inputParameters.sampleFormat = paInt16;
+    inputParameters.suggestedLatency = Pa_GetDeviceInfo( inputParameters.device )->defaultLowInputLatency;
+    inputParameters.hostApiSpecificStreamInfo = NULL;
+
+    err = Pa_OpenStream(
+              &stream,
+              &inputParameters,
+              NULL,                  /* &outputParameters, */
+              44100,
+              512,
+              paClipOff,      /* we won't output out of range samples so don't bother clipping them */
+              listening, /* callback */
+              NULL ); /* no callback userData */
+    if( err != paNoError ) {
+        printf("Pa_OpenDefaultStream returned %d!\n", err);
+        goto error2;
+    }
+    err = Pa_StartStream ( stream );
+    if( err != paNoError ) {
+        printf("Pa_StartStream returned %d!\n", err);
+        goto error1;
+    }
+
+    while ( Pa_IsStreamActive ( stream ) == 1 ) {
+        Pa_Sleep ( 1000 );
+
+        if (previousCallbackCount == sCallbackCount) {
+            printf("Callbacks stopped!\n");
+            goto error1;
+        }
+        previousCallbackCount = sCallbackCount;
+
+        loopCount++;
+        if ((loopCount % 10) == 0) {
+            printf("%d loops\n", loopCount);
+        }
+    }
+    printf("Stream no longer Active!");
+
+error1:
+    Pa_CloseStream ( stream );
+error2:
+    Pa_Terminate ();
+    return 0;
+}