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util/StringFormat: new utility library

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This commit is contained in:
Max Kellermann
2018-01-24 12:52:43 +01:00
parent 4324fb2fbe
commit 97f670658f
15 changed files with 138 additions and 94 deletions
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19
src/AudioFormat.cxx
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@@ -19,9 +19,9 @@
#include "AudioFormat.hxx"
#include "util/StringBuffer.hxx"
#include "util/StringFormat.hxx"
#include <assert.h>
#include <stdio.h>
void
AudioFormat::ApplyMask(AudioFormat mask) noexcept
@@ -44,21 +44,16 @@ AudioFormat::ApplyMask(AudioFormat mask) noexcept
StringBuffer<24>
ToString(const AudioFormat af) noexcept
{
StringBuffer<24> buffer;
if (af.format == SampleFormat::DSD && af.sample_rate > 0 &&
af.sample_rate % 44100 == 0) {
/* use shortcuts such as "dsd64" which implies the
sample rate */
snprintf(buffer.data(), buffer.capacity(), "dsd%u:%u",
af.sample_rate * 8 / 44100,
af.channels);
return buffer;
return StringFormat<24>("dsd%u:%u",
af.sample_rate * 8 / 44100,
af.channels);
}
snprintf(buffer.data(), buffer.capacity(), "%u:%s:%u",
af.sample_rate, sample_format_to_string(af.format),
af.channels);
return buffer;
return StringFormat<24>("%u:%s:%u",
af.sample_rate, sample_format_to_string(af.format),
af.channels);
}