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Let's not pretend to calculate deviation if we don't actually do that

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This commit is contained in:
Alcaro 2017-12-28 02:46:23 +01:00
parent 7e3a458925
commit b933a8796b
1 changed files with 9 additions and 3 deletions
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12
audio/audio_driver.c
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@ -212,13 +212,21 @@ static void compute_audio_buffer_statistics(void)
accum_var += diff * diff;
}
#if defined(_MSC_VER) && _MSC_VER <= 1200
#ifdef REPLACE_THIS_WITH_SOME_DEFINE_THAT_DETECTS_WARPOS
/* uint64 to double not implemented, fair chance signed int64 to double doesn't exist either */
(void)stddev; (void)avg_filled; (void)deviation;
#elif defined(_MSC_VER) && _MSC_VER <= 1200
/* FIXME: error C2520: conversion from unsigned __int64 to double not implemented, use signed __int64 */
(void)stddev; (void)avg_filled; (void)deviation;
#else
stddev = (unsigned)sqrt((double)accum_var / (samples - 2));
avg_filled = 1.0f - (float)avg / audio_driver_buffer_size;
deviation = (float)stddev / audio_driver_buffer_size;
RARCH_LOG("[Audio]: Average audio buffer saturation: %.2f %%, standard deviation (percentage points): %.2f %%.\n",
avg_filled * 100.0, deviation * 100.0);
#endif
low_water_size = (unsigned)(audio_driver_buffer_size * 3 / 4);
high_water_size = (unsigned)(audio_driver_buffer_size / 4);
@ -230,8 +238,6 @@ static void compute_audio_buffer_statistics(void)
high_water_count++;
}
RARCH_LOG("[Audio]: Average audio buffer saturation: %.2f %%, standard deviation (percentage points): %.2f %%.\n",
avg_filled * 100.0, deviation * 100.0);
RARCH_LOG("[Audio]: Amount of time spent close to underrun: %.2f %%. Close to blocking: %.2f %%.\n",
(100.0 * low_water_count) / (samples - 1),
(100.0 * high_water_count) / (samples - 1));