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pcm/AudioFormat: add noexcept

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This commit is contained in:
Max Kellermann 2021-08-26 13:36:25 +02:00
parent 8a29805767
commit 1cb7fe12ff
1 changed files with 17 additions and 17 deletions
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34
src/pcm/AudioFormat.hxx
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@ -63,14 +63,14 @@ struct AudioFormat {
*/ */
uint8_t channels; uint8_t channels;
AudioFormat() = default; AudioFormat() noexcept = default;
constexpr AudioFormat(uint32_t _sample_rate, constexpr AudioFormat(uint32_t _sample_rate,
SampleFormat _format, uint8_t _channels) SampleFormat _format, uint8_t _channels) noexcept
:sample_rate(_sample_rate), :sample_rate(_sample_rate),
format(_format), channels(_channels) {} format(_format), channels(_channels) {}
static constexpr AudioFormat Undefined() { static constexpr AudioFormat Undefined() noexcept {
return AudioFormat(0, SampleFormat::UNDEFINED,0); return AudioFormat(0, SampleFormat::UNDEFINED,0);
} }
@ -78,7 +78,7 @@ struct AudioFormat {
* Clears the object, i.e. sets all attributes to an undefined * Clears the object, i.e. sets all attributes to an undefined
* (invalid) value. * (invalid) value.
*/ */
void Clear() { void Clear() noexcept {
sample_rate = 0; sample_rate = 0;
format = SampleFormat::UNDEFINED; format = SampleFormat::UNDEFINED;
channels = 0; channels = 0;
@ -87,7 +87,7 @@ struct AudioFormat {
/** /**
* Checks whether the object has a defined value. * Checks whether the object has a defined value.
*/ */
constexpr bool IsDefined() const { constexpr bool IsDefined() const noexcept {
return sample_rate != 0; return sample_rate != 0;
} }
@ -96,7 +96,7 @@ struct AudioFormat {
* defined. This is more complete than IsDefined(), but * defined. This is more complete than IsDefined(), but
* slower. * slower.
*/ */
constexpr bool IsFullyDefined() const { constexpr bool IsFullyDefined() const noexcept {
return sample_rate != 0 && format != SampleFormat::UNDEFINED && return sample_rate != 0 && format != SampleFormat::UNDEFINED &&
channels != 0; channels != 0;
} }
@ -104,21 +104,21 @@ struct AudioFormat {
/** /**
* Checks whether the object has at least one defined value. * Checks whether the object has at least one defined value.
*/ */
constexpr bool IsMaskDefined() const { constexpr bool IsMaskDefined() const noexcept {
return sample_rate != 0 || format != SampleFormat::UNDEFINED || return sample_rate != 0 || format != SampleFormat::UNDEFINED ||
channels != 0; channels != 0;
} }
bool IsValid() const; bool IsValid() const noexcept;
bool IsMaskValid() const; bool IsMaskValid() const noexcept;
constexpr bool operator==(const AudioFormat other) const { constexpr bool operator==(const AudioFormat other) const noexcept {
return sample_rate == other.sample_rate && return sample_rate == other.sample_rate &&
format == other.format && format == other.format &&
channels == other.channels; channels == other.channels;
} }
constexpr bool operator!=(const AudioFormat other) const { constexpr bool operator!=(const AudioFormat other) const noexcept {
return !(*this == other); return !(*this == other);
} }
@ -139,12 +139,12 @@ struct AudioFormat {
/** /**
* Returns the size of each (mono) sample in bytes. * Returns the size of each (mono) sample in bytes.
*/ */
unsigned GetSampleSize() const; unsigned GetSampleSize() const noexcept;
/** /**
* Returns the size of each full frame in bytes. * Returns the size of each full frame in bytes.
*/ */
unsigned GetFrameSize() const; unsigned GetFrameSize() const noexcept;
template<typename D> template<typename D>
constexpr auto TimeToFrames(D t) const noexcept { constexpr auto TimeToFrames(D t) const noexcept {
@ -186,7 +186,7 @@ audio_valid_sample_rate(unsigned sample_rate) noexcept
* This function performs some basic validity checks. * This function performs some basic validity checks.
*/ */
inline bool inline bool
AudioFormat::IsValid() const AudioFormat::IsValid() const noexcept
{ {
return audio_valid_sample_rate(sample_rate) && return audio_valid_sample_rate(sample_rate) &&
audio_valid_sample_format(format) && audio_valid_sample_format(format) &&
@ -198,7 +198,7 @@ AudioFormat::IsValid() const
* MPD. This function performs some basic validity checks. * MPD. This function performs some basic validity checks.
*/ */
inline bool inline bool
AudioFormat::IsMaskValid() const AudioFormat::IsMaskValid() const noexcept
{ {
return (sample_rate == 0 || return (sample_rate == 0 ||
audio_valid_sample_rate(sample_rate)) && audio_valid_sample_rate(sample_rate)) &&
@ -208,13 +208,13 @@ AudioFormat::IsMaskValid() const
} }
inline unsigned inline unsigned
AudioFormat::GetSampleSize() const AudioFormat::GetSampleSize() const noexcept
{ {
return sample_format_size(format); return sample_format_size(format);
} }
inline unsigned inline unsigned
AudioFormat::GetFrameSize() const AudioFormat::GetFrameSize() const noexcept
{ {
return GetSampleSize() * channels; return GetSampleSize() * channels;
} }