mirror of
https://github.com/love2d/megasource.git
synced 2026-08-20 04:30:45 +02:00
Update OpenAL-soft to 1.23.1-bc7cb17.
This commit is contained in:
@@ -1,17 +1,16 @@
|
||||
#ifndef CORE_FMT_TRAITS_H
|
||||
#define CORE_FMT_TRAITS_H
|
||||
|
||||
#include <stddef.h>
|
||||
#include <stdint.h>
|
||||
#include <array>
|
||||
#include <cstdint>
|
||||
|
||||
#include "albyte.h"
|
||||
#include "buffer_storage.h"
|
||||
#include "storage_formats.h"
|
||||
|
||||
|
||||
namespace al {
|
||||
|
||||
extern const int16_t muLawDecompressionTable[256];
|
||||
extern const int16_t aLawDecompressionTable[256];
|
||||
extern const std::array<std::int16_t,256> muLawDecompressionTable;
|
||||
extern const std::array<std::int16_t,256> aLawDecompressionTable;
|
||||
|
||||
|
||||
template<FmtType T>
|
||||
@@ -19,63 +18,52 @@ struct FmtTypeTraits { };
|
||||
|
||||
template<>
|
||||
struct FmtTypeTraits<FmtUByte> {
|
||||
using Type = uint8_t;
|
||||
using Type = std::uint8_t;
|
||||
|
||||
template<typename OutT>
|
||||
static constexpr inline OutT to(const Type val) noexcept
|
||||
{ return val*OutT{1.0/128.0} - OutT{1.0}; }
|
||||
constexpr float operator()(const Type val) const noexcept
|
||||
{ return float(val)*(1.0f/128.0f) - 1.0f; }
|
||||
};
|
||||
template<>
|
||||
struct FmtTypeTraits<FmtShort> {
|
||||
using Type = int16_t;
|
||||
using Type = std::int16_t;
|
||||
|
||||
template<typename OutT>
|
||||
static constexpr inline OutT to(const Type val) noexcept { return val*OutT{1.0/32768.0}; }
|
||||
constexpr float operator()(const Type val) const noexcept
|
||||
{ return float(val) * (1.0f/32768.0f); }
|
||||
};
|
||||
template<>
|
||||
struct FmtTypeTraits<FmtInt> {
|
||||
using Type = std::int32_t;
|
||||
|
||||
constexpr float operator()(const Type val) const noexcept
|
||||
{ return static_cast<float>(val)*(1.0f/2147483648.0f); }
|
||||
};
|
||||
template<>
|
||||
struct FmtTypeTraits<FmtFloat> {
|
||||
using Type = float;
|
||||
|
||||
template<typename OutT>
|
||||
static constexpr inline OutT to(const Type val) noexcept { return val; }
|
||||
constexpr float operator()(const Type val) const noexcept { return val; }
|
||||
};
|
||||
template<>
|
||||
struct FmtTypeTraits<FmtDouble> {
|
||||
using Type = double;
|
||||
|
||||
template<typename OutT>
|
||||
static constexpr inline OutT to(const Type val) noexcept { return static_cast<OutT>(val); }
|
||||
constexpr float operator()(const Type val) const noexcept { return static_cast<float>(val); }
|
||||
};
|
||||
template<>
|
||||
struct FmtTypeTraits<FmtMulaw> {
|
||||
using Type = uint8_t;
|
||||
using Type = std::uint8_t;
|
||||
|
||||
template<typename OutT>
|
||||
static constexpr inline OutT to(const Type val) noexcept
|
||||
{ return muLawDecompressionTable[val] * OutT{1.0/32768.0}; }
|
||||
constexpr float operator()(const Type val) const noexcept
|
||||
{ return float(muLawDecompressionTable[val]) * (1.0f/32768.0f); }
|
||||
};
|
||||
template<>
|
||||
struct FmtTypeTraits<FmtAlaw> {
|
||||
using Type = uint8_t;
|
||||
using Type = std::uint8_t;
|
||||
|
||||
template<typename OutT>
|
||||
static constexpr inline OutT to(const Type val) noexcept
|
||||
{ return aLawDecompressionTable[val] * OutT{1.0/32768.0}; }
|
||||
constexpr float operator()(const Type val) const noexcept
|
||||
{ return float(aLawDecompressionTable[val]) * (1.0f/32768.0f); }
|
||||
};
|
||||
|
||||
|
||||
template<FmtType SrcType, typename DstT>
|
||||
inline void LoadSampleArray(DstT *RESTRICT dst, const al::byte *src, const size_t srcstep,
|
||||
const size_t samples) noexcept
|
||||
{
|
||||
using TypeTraits = FmtTypeTraits<SrcType>;
|
||||
using SampleType = typename TypeTraits::Type;
|
||||
|
||||
const SampleType *RESTRICT ssrc{reinterpret_cast<const SampleType*>(src)};
|
||||
for(size_t i{0u};i < samples;i++)
|
||||
dst[i] = TypeTraits::template to<DstT>(ssrc[i*srcstep]);
|
||||
}
|
||||
|
||||
} // namespace al
|
||||
|
||||
#endif /* CORE_FMT_TRAITS_H */
|
||||
|
||||
Reference in New Issue
Block a user