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Minor updates. No functionallity changes.

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This commit is contained in:
James Courtier-Dutton 2005-04-14 15:06:33 +00:00
parent 53adb97f2e
commit be0e80e87c
1 changed files with 9 additions and 2 deletions
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11
speaker-test/speaker-test.c
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@ -104,12 +104,15 @@ static void generate_sine(signed short *samples, int channel, int count, double
while (count-- > 0) {
//res = sin((phase * 2 * M_PI) / max_phase - M_PI) * 32767;
res = (sin((phase * 2 * M_PI) / max_phase - M_PI)) * 0x07ffffff; /* Don't use MAX volume */
//res = sin((phase * 2 * M_PI) / max_phase - M_PI) * 32767;
res = (sin((phase * 2 * M_PI) / max_phase - M_PI)) * 0x03fffffff; /* Don't use MAX volume */
//if (res > 0) res = 10000;
//if (res < 0) res = -10000;
/* printf("%e\n",res); */
ires = res;
//ires = ((16 - (count & 0xf)) <<24);
//ires = 0;
for(chn=0;chn<channels;chn++) {
if (sample_size_bits == 8) {
@ -124,6 +127,7 @@ static void generate_sine(signed short *samples, int channel, int count, double
*samp16++ = ires >>16;
//*samp16++ = 0x1234;
} else {
//*samp16++ = (ires >>16)+1;
*samp16++ = 0;
}
} else if (sample_size_bits == 32) {
@ -132,6 +136,8 @@ static void generate_sine(signed short *samples, int channel, int count, double
//*samp32++ = 0xF2345678;
//printf("res=%lf, ires=%d 0x%x, samp32=0x%x\n",res,ires, ires, samp32[-1]);
} else {
//*samp32++ = ires+0x10000;
//*samp32++ = ires;
*samp32++ = 0;
}
}
@ -357,8 +363,9 @@ static int write_loop(snd_pcm_t *handle, int channel, int periods, signed short
continue;
if (err < 0) {
if (xrun_recovery(handle, err) < 0) {
printf("Write error: %d,%s\n", err, snd_strerror(err));
if (xrun_recovery(handle, err) < 0) {
printf("xrun_recovery failed: %d,%s\n", err, snd_strerror(err));
return -1;
}
break; /* skip one period */