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Mac: test adjustable number of channels.

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This commit is contained in:
Phil Burk 2016-05-21 17:25:18 -07:00
commit 315309f60e
5 changed files with 74 additions and 74 deletions
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12
test/patest_maxsines.c
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@ -46,8 +46,8 @@
#include <math.h>
#include "portaudio.h"
#define MAX_SINES (500)
#define MAX_USAGE (0.8)
#define MAX_SINES (2000)
#define MAX_USAGE (0.5)
#define SAMPLE_RATE (44100)
#define FREQ_TO_PHASE_INC(freq) (freq/(float)SAMPLE_RATE)
@ -60,7 +60,7 @@
#endif
#define TWOPI (M_PI * 2.0)
#define TABLE_SIZE (512)
#define TABLE_SIZE (1024)
typedef struct paTestData
{
@ -70,7 +70,7 @@ typedef struct paTestData
}
paTestData;
/* Convert phase between and 1.0 to sine value
/* Convert phase between 0.0 and 1.0 to sine value
* using linear interpolation.
*/
float LookupSine( paTestData *data, float phase );
@ -187,14 +187,14 @@ int main(void)
/* Play an increasing number of sine waves until we hit MAX_USAGE */
do {
data.numSines++;
data.numSines += 10;
Pa_Sleep(200);
load = Pa_GetStreamCpuLoad(stream);
printf("numSines = %d, CPU load = %f\n", data.numSines, load );
fflush(stdout);
} while((load < MAX_USAGE) && (data.numSines < MAX_SINES));
Pa_Sleep(2000); /* Stay for 2 seconds around 80% CPU. */
Pa_Sleep(2000); /* Stay for 2 seconds at max CPU. */
err = Pa_StopStream( stream );
if( err != paNoError )

2
test/patest_multi_sine.c
View file

@ -47,7 +47,7 @@
#include "portaudio.h"
#define SAMPLE_RATE (44100)
#define FRAMES_PER_BUFFER (256)
#define FRAMES_PER_BUFFER (128)
#define FREQ_INCR (300.0 / SAMPLE_RATE)
#define MAX_CHANNELS (64)