root/portaudio/branches/V18.1/pa_tests/paqa_devs.c

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Initial revision
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1/*
2 * $Id$
3 * paqa_devs.c
4 * Self Testing Quality Assurance app for PortAudio
5 * Try to open each device and run through all the
6 * possible configurations.
7 *
8 * Author: Phil Burk  http://www.softsynth.com
9 *
10 * This program uses the PortAudio Portable Audio Library.
11 * For more information see: http://www.portaudio.com
12 * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
13 *
14 * Permission is hereby granted, free of charge, to any person obtaining
15 * a copy of this software and associated documentation files
16 * (the "Software"), to deal in the Software without restriction,
17 * including without limitation the rights to use, copy, modify, merge,
18 * publish, distribute, sublicense, and/or sell copies of the Software,
19 * and to permit persons to whom the Software is furnished to do so,
20 * subject to the following conditions:
21 *
22 * The above copyright notice and this permission notice shall be
23 * included in all copies or substantial portions of the Software.
24 *
25 * Any person wishing to distribute modifications to the Software is
26 * requested to send the modifications to the original developer so that
27 * they can be incorporated into the canonical version.
28 *
29 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
30 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
31 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
32 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
33 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
34 * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
35 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
36 *
37 */
38#include <stdio.h>
39#include <math.h>
40#include "portaudio.h"
41#include "pa_trace.h"
42/****************************************** Definitions ***********/
43#define MODE_INPUT      (0)
44#define MODE_OUTPUT     (1)
45typedef struct PaQaData
46{
47    unsigned long  framesLeft;
48    int            numChannels;
49    int            bytesPerSample;
50    int            mode;
51    short          sawPhase;
52    PaSampleFormat format;
53}
54PaQaData;
55/****************************************** Prototypes ***********/
56static void TestDevices( int mode );
57static void TestFormats( int mode, PaDeviceID deviceID, double sampleRate,
58                         int numChannels );
59static int TestAdvance( int mode, PaDeviceID deviceID, double sampleRate,
60                        int numChannels, PaSampleFormat format );
61static int QaCallback( void *inputBuffer, void *outputBuffer,
62                       unsigned long framesPerBuffer,
63                       PaTimestamp outTime, void *userData );
64/****************************************** Globals ***********/
65static int gNumPassed = 0;
66static int gNumFailed = 0;
67/****************************************** Macros ***********/
68/* Print ERROR if it fails. Tally success or failure. */
69/* Odd do-while wrapper seems to be needed for some compilers. */
70#define EXPECT(_exp) \
71    do \
72    { \
73        if ((_exp)) {\
74            /* printf("SUCCESS for %s\n", #_exp ); */ \
75            gNumPassed++; \
76        } \
77        else { \
78            printf("ERROR - 0x%x - %s for %s\n", result, \
79                   ((result == 0) ? "-" : Pa_GetErrorText(result)), \
80                   #_exp ); \
81            gNumFailed++; \
82            goto error; \
83        } \
84    } while(0)
85/*******************************************************************/
86/* This routine will be called by the PortAudio engine when audio is needed.
87** It may be called at interrupt level on some machines so don't do anything
88** that could mess up the system like calling malloc() or free().
89*/
90static int QaCallback( void *inputBuffer, void *outputBuffer,
91                       unsigned long framesPerBuffer,
92                       PaTimestamp outTime, void *userData )
93{
94    unsigned long  i;
95    short          phase;
96    PaQaData *data = (PaQaData *) userData;
97    (void) inputBuffer;
98    (void) outTime;
99
100    /* Play simle sawtooth wave. */
101    if( data->mode == MODE_OUTPUT )
102    {
103        phase = data->sawPhase;
104        switch( data->format )
105        {
106        case paFloat32:
107            {
108                float *out =  (float *) outputBuffer;
109                for( i=0; i<framesPerBuffer; i++ )
110                {
111                    phase += 0x123;
112                    *out++ = (float) (phase * (1.0 / 32768.0));
113                    if( data->numChannels == 2 )
114                    {
115                        *out++ = (float) (phase * (1.0 / 32768.0));
116                    }
117                }
118            }
119            break;
120
121        case paInt32:
122            {
123                int *out =  (int *) outputBuffer;
124                for( i=0; i<framesPerBuffer; i++ )
125                {
126                    phase += 0x123;
127                    *out++ = ((int) phase ) << 16;
128                    if( data->numChannels == 2 )
129                    {
130                        *out++ = ((int) phase ) << 16;
131                    }
132                }
133            }
134            break;
135        case paInt16:
136            {
137                short *out =  (short *) outputBuffer;
138                for( i=0; i<framesPerBuffer; i++ )
139                {
140                    phase += 0x123;
141                    *out++ = phase;
142                    if( data->numChannels == 2 )
143                    {
144                        *out++ = phase;
145                    }
146                }
147            }
148            break;
149
150        default:
151            {
152                unsigned char *out =  (unsigned char *) outputBuffer;
153                unsigned long numBytes = framesPerBuffer * data->numChannels * data->bytesPerSample;
154                for( i=0; i<numBytes; i++ )
155                {
156                    *out++ = 0;
157                }
158            }
159            break;
160        }
161        data->sawPhase = phase;
162    }
163    /* Are we through yet? */
164    if( data->framesLeft > framesPerBuffer )
165    {
166        AddTraceMessage("QaCallback: running. framesLeft", data->framesLeft );
167        data->framesLeft -= framesPerBuffer;
168        return 0;
169    }
170    else
171    {
172        AddTraceMessage("QaCallback: DONE! framesLeft", data->framesLeft );
173        data->framesLeft = 0;
174        return 1;
175    }
176}
177/*******************************************************************/
178int main(void);
179int main(void)
180{
181    PaError result;
182    EXPECT( ((result=Pa_Initialize()) == 0) );
183    printf("Test OUTPUT ---------------\n");
184    TestDevices( MODE_OUTPUT );
185    printf("Test INPUT ---------------\n");
186    TestDevices( MODE_INPUT );
187error:
188    Pa_Terminate();
189    printf("QA Report: %d passed, %d failed.\n", gNumPassed, gNumFailed );
190}
191/*******************************************************************
192* Try each output device, through its full range of capabilities. */
193static void TestDevices( int mode )
194{
195    int id,jc,kr;
196    int maxChannels;
197    const PaDeviceInfo *pdi;
198    int numDevices  = Pa_CountDevices();
199    /* Iterate through all devices. */
200    for( id=0; id<numDevices; id++ )
201    {
202        pdi = Pa_GetDeviceInfo( id );
203        /* Try 1 to maxChannels on each device. */
204        maxChannels = ( mode == MODE_INPUT ) ? pdi->maxInputChannels : pdi->maxOutputChannels;
205        for( jc=1; jc<=maxChannels; jc++ )
206        {
207            printf("Name         = %s\n", pdi->name );
208            /* Try each legal sample rate. */
209            if( pdi->numSampleRates == -1 )
210            {
211                double low, high;
212                low = pdi->sampleRates[0];
213                high = pdi->sampleRates[1];
214                if( low < 8000.0 ) low = 8000.0;
215                TestFormats( mode, id, low, jc );
216#define TESTSR(sr) {if(((sr)>=low) && ((sr)<=high)) TestFormats( mode, id, (sr), jc ); }
217
218                TESTSR(11025.0);
219                TESTSR(22050.0);
220                TESTSR(44100.0);
221                TestFormats( mode, id, high, jc );
222            }
223            else
224            {
225                for( kr=0; kr<pdi->numSampleRates; kr++ )
226                {
227                    TestFormats( mode, id, pdi->sampleRates[kr], jc );
228                }
229            }
230        }
231    }
232}
233/*******************************************************************/
234static void TestFormats( int mode, PaDeviceID deviceID, double sampleRate,
235                         int numChannels )
236{
237    TestAdvance( mode, deviceID, sampleRate, numChannels, paFloat32 ); /* */
238    TestAdvance( mode, deviceID, sampleRate, numChannels, paInt16 ); /* */
239    TestAdvance( mode, deviceID, sampleRate, numChannels, paInt32 ); /* */
240    /* TestAdvance( mode, deviceID, sampleRate, numChannels, paInt24 ); */
241}
242/*******************************************************************/
243static int TestAdvance( int mode, PaDeviceID deviceID, double sampleRate,
244                        int numChannels, PaSampleFormat format )
245{
246    PortAudioStream *stream = NULL;
247    PaError result;
248    PaQaData myData;
249#define FRAMES_PER_BUFFER  (64)
250    printf("------ TestAdvance: %s, device = %d, rate = %g, numChannels = %d, format = %d -------\n",
251           ( mode == MODE_INPUT ) ? "INPUT" : "OUTPUT",
252           deviceID, sampleRate, numChannels, format);
253    /* Setup data for synthesis thread. */
254    myData.framesLeft = (unsigned long) (sampleRate * 100); /* 100 seconds */
255    myData.numChannels = numChannels;
256    myData.mode = mode;
257    myData.format = format;
258    switch( format )
259    {
260    case paFloat32:
261    case paInt32:
262    case paInt24:
263        myData.bytesPerSample = 4;
264        break;
265    case paPackedInt24:
266        myData.bytesPerSample = 3;
267        break;
268    default:
269        myData.bytesPerSample = 2;
270        break;
271    }
272    EXPECT( ((result = Pa_OpenStream(
273                           &stream,
274                           ( mode == MODE_INPUT ) ? deviceID : paNoDevice,
275                           ( mode == MODE_INPUT ) ? numChannels : 0,
276                           format,
277                           NULL,
278                           ( mode == MODE_OUTPUT ) ? deviceID : paNoDevice,
279                           ( mode == MODE_OUTPUT ) ? numChannels : 0,
280                           format,
281                           NULL,
282                           sampleRate,
283                           FRAMES_PER_BUFFER,     /* frames per buffer */
284                           0,             /* number of buffers, if zero then use default minimum */
285                           paClipOff,     /* we won't output out of range samples so don't bother clipping them */
286                           QaCallback,
287                           &myData )
288             ) == 0) );
289    if( stream )
290    {
291        PaTimestamp oldStamp, newStamp;
292        unsigned long oldFrames;
293        int minDelay = ( mode == MODE_INPUT ) ? 1000 : 400;
294        int minNumBuffers = Pa_GetMinNumBuffers( FRAMES_PER_BUFFER, sampleRate );
295        int msec = (int) ((minNumBuffers * 3 * 1000.0 * FRAMES_PER_BUFFER) / sampleRate);
296        if( msec < minDelay ) msec = minDelay;
297        printf("msec = %d\n", msec);  /**/
298        EXPECT( ((result=Pa_StartStream( stream )) == 0) );
299        /* Check to make sure PortAudio is advancing timeStamp. */
300        result = paNoError;
301        oldStamp = Pa_StreamTime(stream);
302        Pa_Sleep(msec);
303        newStamp = Pa_StreamTime(stream);
304        printf("oldStamp = %g,newStamp = %g\n", oldStamp, newStamp ); /**/
305        EXPECT( (oldStamp < newStamp) );
306        /* Check to make sure callback is decrementing framesLeft. */
307        oldFrames = myData.framesLeft;
308        Pa_Sleep(msec);
309        printf("oldFrames = %d, myData.framesLeft = %d\n", oldFrames,  myData.framesLeft ); /**/
310        EXPECT( (oldFrames > myData.framesLeft) );
311        EXPECT( ((result=Pa_CloseStream( stream )) == 0) );
312        stream = NULL;
313    }
314error:
315    if( stream != NULL ) Pa_CloseStream( stream );
316    return result;
317}
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