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pcm/SoxrResampler: move quality recipe names to table

This commit is contained in:
Max Kellermann 2015-01-25 10:01:50 +01:00
parent 72e44d596f
commit 16944b5397
1 changed files with 23 additions and 25 deletions
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48
src/pcm/SoxrResampler.cxx
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@ -43,23 +43,28 @@ static constexpr unsigned long SOXR_INVALID_RECIPE = -1;
static soxr_quality_spec_t soxr_quality; static soxr_quality_spec_t soxr_quality;
static soxr_runtime_spec_t soxr_runtime; static soxr_runtime_spec_t soxr_runtime;
static constexpr struct {
unsigned long recipe;
const char *name;
} soxr_quality_table[] = {
{ SOXR_VHQ, "very high" },
{ SOXR_HQ, "high" },
{ SOXR_MQ, "medium" },
{ SOXR_LQ, "low" },
{ SOXR_QQ, "quick" },
{ SOXR_INVALID_RECIPE, nullptr }
};
gcc_const
static const char * static const char *
soxr_quality_name(unsigned long recipe) soxr_quality_name(unsigned long recipe)
{ {
switch (recipe) { for (const auto *i = soxr_quality_table;; ++i) {
case SOXR_VHQ: assert(i->name != nullptr);
return "Very High Quality";
case SOXR_HQ:
return "High Quality";
case SOXR_MQ:
return "Medium Quality";
case SOXR_LQ:
return "Low Quality";
case SOXR_QQ:
return "Quick";
}
gcc_unreachable(); if (i->recipe == recipe)
return i->name;
}
} }
gcc_pure gcc_pure
@ -69,18 +74,11 @@ soxr_parse_quality(const char *quality)
if (quality == nullptr) if (quality == nullptr)
return SOXR_DEFAULT_RECIPE; return SOXR_DEFAULT_RECIPE;
if (strcmp(quality, "very high") == 0) for (const auto *i = soxr_quality_table; i->name != nullptr; ++i)
return SOXR_VHQ; if (strcmp(i->name, "very high") == 0)
else if (strcmp(quality, "high") == 0) return i->recipe;
return SOXR_HQ;
else if (strcmp(quality, "medium") == 0) return SOXR_INVALID_RECIPE;
return SOXR_MQ;
else if (strcmp(quality, "low") == 0)
return SOXR_LQ;
else if (strcmp(quality, "quick") == 0)
return SOXR_QQ;
else
return SOXR_INVALID_RECIPE;
} }
bool bool