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patest_out_underflow: cleanup

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Replace some tabs.
Print overflow under stress.
Prevent accidental overrange of phases array.
This commit is contained in:
philburk 2016-04-10 18:12:03 +00:00
commit 13b2159821
1 changed files with 33 additions and 24 deletions
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57
test/patest_out_underflow.c
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@ -85,8 +85,9 @@ static int patestCallback( const void *inputBuffer, void *outputBuffer,
if( data->countUnderflows && (statusFlags & paOutputUnderflow) ) if( data->countUnderflows && (statusFlags & paOutputUnderflow) )
{
data->outputUnderflowCount++; data->outputUnderflowCount++;
}
for( i=0; i<framesPerBuffer; i++ ) for( i=0; i<framesPerBuffer; i++ )
{ {
float output = 0.0; float output = 0.0;
@ -121,9 +122,11 @@ int main(void)
PaStream *stream; PaStream *stream;
PaError err; PaError err;
int safeSineCount, stressedSineCount; int safeSineCount, stressedSineCount;
int sineCount;
int safeUnderflowCount, stressedUnderflowCount; int safeUnderflowCount, stressedUnderflowCount;
paTestData data = {0}; paTestData data = {0};
double load; double load;
double suggestedLatency;
printf("PortAudio Test: output sine waves, count underflows. SR = %d, BufSize = %d. MAX_LOAD = %f\n", printf("PortAudio Test: output sine waves, count underflows. SR = %d, BufSize = %d. MAX_LOAD = %f\n",
@ -139,7 +142,8 @@ int main(void)
} }
outputParameters.channelCount = 1; /* mono output */ outputParameters.channelCount = 1; /* mono output */
outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */ outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */
outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency; suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
outputParameters.suggestedLatency = suggestedLatency;
outputParameters.hostApiSpecificStreamInfo = NULL; outputParameters.hostApiSpecificStreamInfo = NULL;
err = Pa_OpenStream( err = Pa_OpenStream(
@ -160,24 +164,23 @@ int main(void)
/* Determine number of sines required to get to 50% */ /* Determine number of sines required to get to 50% */
do do
{ {
Pa_Sleep( 100 ); Pa_Sleep( 100 );
load = Pa_GetStreamCpuLoad( stream ); load = Pa_GetStreamCpuLoad( stream );
printf("sineCount = %d, CPU load = %f\n", data.sineCount, load ); printf("sineCount = %d, CPU load = %f\n", data.sineCount, load );
if( load < 0.3 ) if( load < 0.3 )
{ {
data.sineCount += 10; data.sineCount += 10;
} }
else if( load < 0.4 ) else if( load < 0.4 )
{ {
data.sineCount += 2; data.sineCount += 2;
} }
else else
{ {
data.sineCount += 1; data.sineCount += 1;
} }
} }
while( load < 0.5 && data.sineCount < (MAX_SINES-1)); while( load < 0.5 && data.sineCount < (MAX_SINES-1));
@ -187,16 +190,18 @@ int main(void)
stressedSineCount = (int) (2.0 * data.sineCount * MAX_LOAD ); stressedSineCount = (int) (2.0 * data.sineCount * MAX_LOAD );
if( stressedSineCount > MAX_SINES ) if( stressedSineCount > MAX_SINES )
stressedSineCount = MAX_SINES; stressedSineCount = MAX_SINES;
for( ; data.sineCount < stressedSineCount; data.sineCount+=4 ) sineCount = data.sineCount;
for( ; sineCount < stressedSineCount; sineCount+=4 )
{ {
data.sineCount = sineCount;
Pa_Sleep( 100 ); Pa_Sleep( 100 );
load = Pa_GetStreamCpuLoad( stream ); load = Pa_GetStreamCpuLoad( stream );
printf("STRESSING: sineCount = %d, CPU load = %f\n", data.sineCount, load ); printf("STRESSING: sineCount = %d, CPU load = %f\n", sineCount, load );
} }
printf("Counting underflows for 5 seconds.\n"); printf("Counting underflows for 2 seconds.\n");
data.countUnderflows = 1; data.countUnderflows = 1;
Pa_Sleep( 5000 ); Pa_Sleep( 2000 );
stressedUnderflowCount = data.outputUnderflowCount; stressedUnderflowCount = data.outputUnderflowCount;
@ -225,12 +230,16 @@ int main(void)
Pa_Terminate(); Pa_Terminate();
printf("suggestedLatency = %f\n", suggestedLatency);
// Report pass or fail
if( stressedUnderflowCount == 0 ) if( stressedUnderflowCount == 0 )
printf("Test failed, no output underflows detected under stress.\n"); printf("Test FAILED, no output underflows detected under stress.\n");
else if( safeUnderflowCount != 0 )
printf("Test failed, %d unexpected underflows detected under safe load.\n", safeUnderflowCount);
else else
printf("Test passed, %d expected output underflows detected under stress, 0 unexpected underflows detected under safe load.\n", stressedUnderflowCount ); printf("Test %s, %d expected output underflows detected under stress, "
"%d unexpected underflows detected under safe load.\n",
(safeUnderflowCount == 0) ? "PASSED" : "FAILED",
stressedUnderflowCount, safeUnderflowCount );
return err; return err;
error: error: