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Warn when resampled HRIR delays get clamped

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This commit is contained in:
Chris Robinson
2020-01-12 11:24:30 -08:00
parent c182a3376a
commit 00d80497d8
1 changed files with 16 additions and 2 deletions
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alc/hrtf.cpp
+16 -2
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@@ -1337,13 +1337,27 @@ HrtfStore *GetLoadedHrtf(const std::string &name, const char *devname, const ALu
}
rs = {};
size_t max_clipped{0};
uint64_t max_delay{0};
const ALuint srate{hrtf->sampleRate};
for(size_t i{0};i < irCount;++i)
{
for(ALubyte &delay : const_cast<ubyte2&>(hrtf->delays[i]))
delay = static_cast<ALubyte>(minu64(MAX_HRIR_DELAY*HRIR_DELAY_FRACONE,
(uint64_t{delay}*devrate + srate/2) / srate));
{
const uint64_t new_delay{(uint64_t{delay}*devrate + srate/2) / srate};
max_delay = maxu64(max_delay, new_delay);
if(new_delay <= MAX_HRIR_DELAY*HRIR_DELAY_FRACONE)
delay = static_cast<ALubyte>(new_delay);
else
{
++max_clipped;
delay = MAX_HRIR_DELAY*HRIR_DELAY_FRACONE;
}
}
}
if(max_clipped > 0)
WARN("%zu delay%s clamped (max: %.2f)\n", max_clipped, (max_clipped==1)?"":"s",
static_cast<double>(max_delay) / double{HRIR_DELAY_FRACONE});
/* Scale the IR size for the new sample rate and update the stored
* sample rate.