This commit was generated by cvs2svn to compensate for changes in r610,

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svn path=/trunk/; revision=611

1 files changed, 265 insertions, 0 deletions

diff --git a/pd/portaudio/pa_tests/debug_srate.c b/pd/portaudio/pa_tests/debug_srate.c
new file mode 100644
index 00000000..b3e3b70f
--- /dev/null
+++ b/pd/portaudio/pa_tests/debug_srate.c
@@ -0,0 +1,265 @@
+/*
+ * $Id: debug_srate.c,v 1.1.1.1 2003-05-09 16:03:56 ggeiger Exp $
+ * debug_record_reuse.c
+ * Record input into an array.
+ * Save array to a file.
+ * Based on patest_record.c but with various ugly debug hacks thrown in.
+ * Loop twice and reuse same streams.
+ *
+ * Author: Phil Burk  http://www.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.
+ *
+ * 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.
+ *
+ * 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.
+ *
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <memory.h>
+#include "portaudio.h"
+
+#define EWS88MT_12_REC     (1)
+#define EWS88MT_12_PLAY   (10)
+#define SBLIVE_REC         (2)
+#define SBLIVE_PLAY       (11)
+
+#if 0
+#define INPUT_DEVICE_ID    Pa_GetDefaultInputDeviceID()
+#define OUTPUT_DEVICE_ID   Pa_GetDefaultOutputDeviceID()
+#else
+#define INPUT_DEVICE_ID    (EWS88MT_12_REC)
+#define OUTPUT_DEVICE_ID   (SBLIVE_PLAY)
+#endif
+
+#define INPUT_SAMPLE_RATE     (22050.0)
+#define OUTPUT_SAMPLE_RATE    (22050.0)
+#define NUM_SECONDS               (4)
+#define SLEEP_DUR_MSEC         (1000)
+#define FRAMES_PER_BUFFER        (64)
+#define NUM_REC_BUFS              (0)
+#define SAMPLES_PER_FRAME         (2)
+
+#define PA_SAMPLE_TYPE  paInt16
+typedef short SAMPLE;
+
+typedef struct
+{
+    long             frameIndex;  /* Index into sample array. */
+}
+paTestData;
+
+/* This routine will be called by the PortAudio engine 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 recordCallback( void *inputBuffer, void *outputBuffer,
+                           unsigned long framesPerBuffer,
+                           PaTimestamp outTime, void *userData )
+{
+    paTestData *data = (paTestData *) userData;
+    (void) outputBuffer; /* Prevent unused variable warnings. */
+    (void) outTime;
+
+    if( inputBuffer != NULL )
+    {
+        data->frameIndex += framesPerBuffer;
+    }
+    return 0;
+}
+
+/* This routine will be called by the PortAudio engine 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 playCallback( void *inputBuffer, void *outputBuffer,
+                         unsigned long framesPerBuffer,
+                         PaTimestamp outTime, void *userData )
+{
+    paTestData *data = (paTestData *) userData;
+    (void) inputBuffer; /* Prevent unused variable warnings. */
+    (void) outTime;
+
+    if( outputBuffer != NULL )
+    {
+        data->frameIndex += framesPerBuffer;
+    }
+    return 0;
+}
+
+/****************************************************************/
+PaError MeasureStreamRate( PortAudioStream *stream, paTestData *dataPtr, double *ratePtr )
+{
+    PaError    err;
+    int        i;
+    int        totalFrames = 0;
+    int        totalMSec = 0;
+
+    dataPtr->frameIndex = 0;
+
+    err = Pa_StartStream( stream );
+    if( err != paNoError ) goto error;
+
+    for( i=0; i<(NUM_SECONDS*1000/SLEEP_DUR_MSEC); i++ )
+    {
+        int delta, endIndex;
+
+        int startIndex = dataPtr->frameIndex;
+        Pa_Sleep(SLEEP_DUR_MSEC);
+        endIndex = dataPtr->frameIndex;
+
+        delta = endIndex - startIndex;
+        totalFrames += delta;
+        totalMSec += SLEEP_DUR_MSEC;
+
+        printf("index = %d, delta = %d\n", endIndex, delta ); fflush(stdout);
+    }
+
+    err = Pa_StopStream( stream );
+    if( err != paNoError ) goto error;
+
+    *ratePtr = (totalFrames * 1000.0) / totalMSec;
+
+error:
+    return err;
+}
+
+void ReportRate( double measuredRate, double expectedRate )
+{
+    double error;
+
+    error = (measuredRate - expectedRate) / expectedRate;
+    error = (error < 0 ) ? -error : error;
+
+    printf("Measured rate = %6.1f, expected rate = %6.1f\n",
+            measuredRate, expectedRate );
+    if( error > 0.1 )
+    {
+        printf("ERROR: unexpected rate! ---------------------   ERROR!\n");
+    }
+    else
+    {
+        printf("SUCCESS: rate within tolerance!\n");
+    }
+}
+
+/*******************************************************************/
+int main(void);
+int main(void)
+{
+    PaError    err;
+    paTestData data = { 0 };
+    long       i;
+    double     rate;
+    const    PaDeviceInfo *pdi;
+
+    PortAudioStream *outputStream;
+    PortAudioStream *inputStream;
+
+    err = Pa_Initialize();
+    if( err != paNoError ) goto error;
+
+
+    pdi = Pa_GetDeviceInfo( INPUT_DEVICE_ID );
+    printf("Input device  = %s\n", pdi->name );
+    pdi = Pa_GetDeviceInfo( OUTPUT_DEVICE_ID );
+    printf("Output device = %s\n", pdi->name );
+
+/* Open input stream. */
+    err = Pa_OpenStream(
+              &inputStream,
+              INPUT_DEVICE_ID,
+              SAMPLES_PER_FRAME,               /* stereo input */
+              PA_SAMPLE_TYPE,
+              NULL,
+              paNoDevice,
+              0,
+              PA_SAMPLE_TYPE,
+              NULL,
+              INPUT_SAMPLE_RATE,
+              FRAMES_PER_BUFFER,            /* frames per buffer */
+              NUM_REC_BUFS,               /* number of buffers, if zero then use default minimum */
+              paClipOff,       /* we won't output out of range samples so don't bother clipping them */
+              recordCallback,
+              &data );
+    if( err != paNoError ) goto error;
+
+    err = Pa_OpenStream(
+              &outputStream,
+              paNoDevice,
+              0,               /* NO input */
+              PA_SAMPLE_TYPE,
+              NULL,
+              OUTPUT_DEVICE_ID,
+              SAMPLES_PER_FRAME,               /* stereo output */
+              PA_SAMPLE_TYPE,
+              NULL,
+              OUTPUT_SAMPLE_RATE,
+              FRAMES_PER_BUFFER,            /* frames per buffer */
+              0,               /* number of buffers, if zero then use default minimum */
+              paClipOff,       /* we won't output out of range samples so don't bother clipping them */
+              playCallback,
+              &data );
+    if( err != paNoError ) goto error;
+
+/* Record and playback multiple times. */
+    for( i=0; i<2; i++ )
+    {
+        printf("Measuring INPUT ------------------------- \n");
+        err = MeasureStreamRate( inputStream, &data, &rate );
+        if( err != paNoError ) goto error;
+        ReportRate( rate, INPUT_SAMPLE_RATE );
+
+        printf("Measuring OUTPUT ------------------------- \n");
+        err = MeasureStreamRate( outputStream, &data, &rate );
+        if( err != paNoError ) goto error;
+        ReportRate( rate, OUTPUT_SAMPLE_RATE );
+    }
+
+/* Clean up. */
+    err = Pa_CloseStream( inputStream );
+    if( err != paNoError ) goto error;
+
+    err = Pa_CloseStream( outputStream );
+    if( err != paNoError ) goto error;
+
+    if( err != paNoError ) goto error;
+
+    Pa_Terminate();
+    
+    printf("Test complete.\n"); fflush(stdout);
+    return 0;
+
+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 ) );
+    if( err == paHostError )
+    {
+        fprintf( stderr, "Host Error number: %d\n", Pa_GetHostError() );
+    }
+    return -1;
+}