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ReplayGainConfig: move code to ParsePreamp()

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This commit is contained in:
Max Kellermann 2016-11-24 17:45:27 +01:00
parent 7afbd4800f
commit dc5984d0e0
1 changed files with 31 additions and 39 deletions
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70
src/ReplayGainConfig.cxx
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@ -21,7 +21,6 @@
#include "ReplayGainConfig.hxx"
#include "config/Param.hxx"
#include "config/ConfigGlobal.hxx"
#include "system/FatalError.hxx"
#include "util/RuntimeError.hxx"
#include <assert.h>
@ -36,6 +35,33 @@ float replay_gain_preamp = 1.0;
float replay_gain_missing_preamp = 1.0;
bool replay_gain_limit = DEFAULT_REPLAYGAIN_LIMIT;
static float
ParsePreamp(const char *s)
{
assert(s != nullptr);
char *endptr;
float f = strtod(s, &endptr);
if (endptr == s || *endptr != '\0')
throw std::invalid_argument("Not a numeric value");
if (f < -15 || f > 15)
throw std::invalid_argument("Number must be between -15 and 15");
return pow(10, f / 20.0);
}
static float
ParsePreamp(const ConfigParam &p)
{
try {
return ParsePreamp(p.value.c_str());
} catch (...) {
std::throw_with_nested(FormatRuntimeError("Failed to parse line %i",
p.line));
}
}
void replay_gain_global_init(void)
{
const auto *param = config_get_param(ConfigOption::REPLAYGAIN);
@ -49,46 +75,12 @@ void replay_gain_global_init(void)
}
param = config_get_param(ConfigOption::REPLAYGAIN_PREAMP);
if (param) {
char *test;
float f = strtod(param->value.c_str(), &test);
if (*test != '\0') {
FormatFatalError("Replaygain preamp \"%s\" is not a number at "
"line %i\n",
param->value.c_str(), param->line);
}
if (f < -15 || f > 15) {
FormatFatalError("Replaygain preamp \"%s\" is not between -15 and"
"15 at line %i\n",
param->value.c_str(), param->line);
}
replay_gain_preamp = pow(10, f / 20.0);
}
if (param)
replay_gain_preamp = ParsePreamp(*param);
param = config_get_param(ConfigOption::REPLAYGAIN_MISSING_PREAMP);
if (param) {
char *test;
float f = strtod(param->value.c_str(), &test);
if (*test != '\0') {
FormatFatalError("Replaygain missing preamp \"%s\" is not a number at "
"line %i\n",
param->value.c_str(), param->line);
}
if (f < -15 || f > 15) {
FormatFatalError("Replaygain missing preamp \"%s\" is not between -15 and"
"15 at line %i\n",
param->value.c_str(), param->line);
}
replay_gain_missing_preamp = pow(10, f / 20.0);
}
if (param)
replay_gain_missing_preamp = ParsePreamp(*param);
replay_gain_limit = config_get_bool(ConfigOption::REPLAYGAIN_LIMIT,
DEFAULT_REPLAYGAIN_LIMIT);