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output/Timer: add `noexcept`

This commit is contained in:
Max Kellermann 2022-07-08 22:57:27 +02:00
parent 7dd65f3028
commit 4b3dcf831b
2 changed files with 16 additions and 12 deletions
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12
src/output/Timer.cxx
View File

@ -22,24 +22,26 @@
#include <cassert>
Timer::Timer(const AudioFormat af)
Timer::Timer(const AudioFormat af) noexcept
:rate(af.sample_rate * af.GetFrameSize())
{
}
void Timer::Start()
void
Timer::Start() noexcept
{
time = Now();
started = true;
}
void Timer::Reset()
void
Timer::Reset() noexcept
{
started = false;
}
void
Timer::Add(size_t size)
Timer::Add(size_t size) noexcept
{
assert(started);
@ -49,7 +51,7 @@ Timer::Add(size_t size)
}
std::chrono::steady_clock::duration
Timer::GetDelay() const
Timer::GetDelay() const noexcept
{
assert(started);

16
src/output/Timer.hxx
View File

@ -31,22 +31,24 @@ class Timer {
bool started = false;
const int rate;
public:
explicit Timer(AudioFormat af);
explicit Timer(AudioFormat af) noexcept;
bool IsStarted() const { return started; }
bool IsStarted() const noexcept { return started; }
void Start();
void Reset();
void Start() noexcept;
void Reset() noexcept;
void Add(size_t size);
void Add(size_t size) noexcept;
/**
* Returns the duration to sleep to get back to sync.
*/
std::chrono::steady_clock::duration GetDelay() const;
[[gnu::pure]]
std::chrono::steady_clock::duration GetDelay() const noexcept;
private:
static Time Now() {
[[gnu::pure]]
static Time Now() noexcept {
return std::chrono::duration_cast<Time>(std::chrono::steady_clock::now().time_since_epoch());
}
};