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authorChris Robinson <[email protected]>2017-12-23 21:13:57 -0800
committerChris Robinson <[email protected]>2017-12-23 21:13:57 -0800
commitce74098b40aa6fc70851df7b6037a441b9d1c745 (patch)
treed62e1c412449dd5c712abca037a103c1ddf76468 /Alc/effects
parent5769efe48e6906fc6f5075fbafcf73a5a6afd828 (diff)
Clarify some reverb values
Diffstat (limited to 'Alc/effects')
-rw-r--r--Alc/effects/reverb.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/Alc/effects/reverb.c b/Alc/effects/reverb.c
index e93cbca3..f0c0bea6 100644
--- a/Alc/effects/reverb.c
+++ b/Alc/effects/reverb.c
@@ -219,10 +219,10 @@ static const ALfloat LATE_LINE_LENGTHS[4] =
9.709681e-3f, 1.223343e-2f, 1.689561e-2f, 1.941936e-2f
};
-/* This coefficient is used to define the sinus depth according to the
- * modulation depth property. This value must be below half the shortest late
- * line length (0.0097/2 = ~0.0048), otherwise with certain parameters (high
- * mod time, low density) the downswing can sample before the input.
+/* This coefficient is used to define the delay scale from the sinus, according
+ * to the modulation depth property. This value must be below half the shortest
+ * late line length (0.0097/2 = ~0.0048), otherwise with certain parameters
+ * (high mod time, low density) the downswing can sample before the input.
*/
static const ALfloat MODULATION_DEPTH_COEFF = 1.0f / 4096.0f;
@@ -540,15 +540,14 @@ static ALboolean AllocLines(const ALuint frequency, ALreverbState *State)
/* Multiplier for the maximum density value, i.e. density=1, which is
* actually the least density...
*/
- multiplier = 1.0f + LINE_MULTIPLIER;
+ multiplier = 1.0f + AL_EAXREVERB_MAX_DENSITY*LINE_MULTIPLIER;
/* The main delay length includes the maximum early reflection delay, the
* largest early tap width, the maximum late reverb delay, and the
* largest late tap width. Finally, it must also be extended by the
* update size (MAX_UPDATE_SAMPLES) for block processing.
*/
- length = AL_EAXREVERB_MAX_REFLECTIONS_DELAY +
- EARLY_TAP_LENGTHS[3]*multiplier +
+ length = AL_EAXREVERB_MAX_REFLECTIONS_DELAY + EARLY_TAP_LENGTHS[3]*multiplier +
AL_EAXREVERB_MAX_LATE_REVERB_DELAY +
(LATE_LINE_LENGTHS[3] - LATE_LINE_LENGTHS[0])*0.25f*multiplier;
totalSamples += CalcLineLength(length, totalSamples, frequency, MAX_UPDATE_SAMPLES,