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-rw-r--r--portaudio/test/debug_convert.c138
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diff --git a/portaudio/test/debug_convert.c b/portaudio/test/debug_convert.c
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+/*
+ * $Id: debug_convert.c 1083 2006-08-23 07:30:49Z rossb $
+ * Convert tagged values.
+ *
+ * Author: Phil Burk <philburk@softsynth.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 "portaudio.h"
+#define OUTPUT_DEVICE (Pa_GetDefaultOutputDeviceID())
+//#define OUTPUT_DEVICE (11)
+#define NUM_SECONDS (8)
+#define SLEEP_DUR (800)
+#define SAMPLE_RATE (44100)
+#define FRAMES_PER_BUFFER (256)
+
+#define NUM_BUFFERS (0)
+
+typedef struct
+{
+ unsigned int framesToGo;
+}
+paTestData;
+/* This routine will be called by the PortAudio engine when audio is needed.
+** It may 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 patestCallback( void *inputBuffer, void *outputBuffer,
+ unsigned long framesPerBuffer,
+ PaTimestamp outTime, void *userData )
+{
+ paTestData *data = (paTestData*)userData;
+ short *out = (short*)outputBuffer;
+ int i;
+ int finished = 0;
+ (void) outTime; /* Prevent unused variable warnings. */
+ (void) inputBuffer;
+
+ if( data->framesToGo < framesPerBuffer ) finished = 1;
+
+ for( i=0; i<framesPerBuffer; i++ )
+ {
+ *out++ = 0x0000 + i; /* left */
+ *out++ = 0x1000 + i; /* right */
+ }
+ return finished;
+}
+/*******************************************************************/
+int main(void);
+int main(void)
+{
+ PortAudioStream *stream;
+ PaError err;
+ paTestData data;
+ int i;
+ int totalSamps;
+ printf("PortAudio Test: output debug values\n" );
+ data.framesToGo = totalSamps = NUM_SECONDS * SAMPLE_RATE; /* Play for a few seconds. */
+ printf("totalSamps = %d\n", totalSamps );
+ err = Pa_Initialize();
+ if( err != paNoError ) goto error;
+ printf("PortAudio Test: output device = %d\n", OUTPUT_DEVICE );
+
+ err = Pa_OpenStream(
+ &stream,
+ paNoDevice,
+ 0, /* no input */
+ paFloat32, /* 32 bit floating point input */
+ NULL,
+ OUTPUT_DEVICE,
+ 2, /* stereo output */
+ paInt16, /* 32 bit floating point output */
+ NULL,
+ SAMPLE_RATE,
+ FRAMES_PER_BUFFER,
+ NUM_BUFFERS, /* number of buffers, if zero then use default minimum */
+ paClipOff|paDitherOff, /* we won't output out of range samples so don't bother clipping them */
+ patestCallback,
+ &data );
+ if( err != paNoError ) goto error;
+
+ err = Pa_StartStream( stream );
+ if( err != paNoError ) goto error;
+ printf("Is callback being called?\n");
+ for( i=0; i<((NUM_SECONDS+1)*1000); i+=SLEEP_DUR )
+ {
+ printf("data.framesToGo = %d\n", data.framesToGo ); fflush(stdout);
+ Pa_Sleep( SLEEP_DUR );
+ }
+ /* Stop sound until ENTER hit. */
+ printf("Call Pa_StopStream()\n");
+ err = Pa_StopStream( stream );
+ if( err != paNoError ) goto error;
+ Pa_Terminate();
+ printf("Test finished.\n");
+ return err;
+error:
+ Pa_Terminate();
+ fprintf( stderr, "An error occured while using the portaudio stream\n" );
+ fprintf( stderr, "Error number: %d\n", err );
+ fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
+ return err;
+}