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libobs: Convert sse inline funcs to macros

master
jp9000 2018-05-01 09:01:04 -07:00
parent 238df3da3a
commit 4785d9906c
1 changed files with 18 additions and 17 deletions
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35
libobs/obs-audio-controls.c
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@ -279,10 +279,8 @@ static int get_nr_channels_from_audio_data(const struct audio_data *data)
/* x(d, c, b, a) --> (|d|, |c|, |b|, |a|)
*/
static inline __m128 abs_ps(__m128 v)
{
return _mm_andnot_ps(_mm_set1_ps(-0.f), v);
}
#define abs_ps(v) \
_mm_andnot_ps(_mm_set1_ps(-0.f), v)
/* Take cross product of a vector with a matrix resulting in vector.
*/
@ -302,17 +300,15 @@ static inline __m128 abs_ps(__m128 v)
/* x4(d, c, b, a) --> max(a, b, c, d)
*/
static inline float hmax_ps(__m128 x4)
{
float x4_mem[4];
_mm_store_ps(x4_mem, x4);
float r = x4_mem[0];
r = fmaxf(r, x4_mem[1]);
r = fmaxf(r, x4_mem[2]);
r = fmaxf(r, x4_mem[3]);
return r;
}
#define hmax_ps(r, x4) \
do { \
float x4_mem[4]; \
_mm_store_ps(x4_mem, x4); \
r = x4_mem[0]; \
r = fmaxf(r, x4_mem[1]); \
r = fmaxf(r, x4_mem[2]); \
r = fmaxf(r, x4_mem[3]); \
} while (false)
/* Calculate the true peak over a set of samples.
* The algorithm implements 5x oversampling by using Whittaker–Shannon
@ -365,7 +361,9 @@ static float get_true_peak(__m128 previous_samples, const float *samples,
peak = _mm_max_ps(peak, abs_ps(intrp_samples));
}
return hmax_ps(peak);
float r;
hmax_ps(r, peak);
return r;
}
/* points contain the first four samples to calculate the sinc interpolation
@ -379,7 +377,10 @@ static float get_sample_peak(__m128 previous_samples, const float *samples,
__m128 new_work = _mm_load_ps(&samples[i]);
peak = _mm_max_ps(peak, abs_ps(new_work));
}
return hmax_ps(peak);
float r;
hmax_ps(r, peak);
return r;
}
static void volmeter_process_peak_last_samples(obs_volmeter_t *volmeter,