29fba79cd5
It messes with 5.1 sources using direct channels, and the surround channels are supposed to map to the side labels. Individual backends can deal with the channel order/label differences, as they already do to a degree.
104 lines
2.1 KiB
C++
104 lines
2.1 KiB
C++
#ifndef CORE_DEVFORMAT_H
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#define CORE_DEVFORMAT_H
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#include <cstdint>
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using uint = unsigned int;
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enum Channel : unsigned char {
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FrontLeft = 0,
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FrontRight,
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FrontCenter,
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LFE,
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BackLeft,
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BackRight,
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BackCenter,
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SideLeft,
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SideRight,
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TopCenter,
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TopFrontLeft,
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TopFrontCenter,
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TopFrontRight,
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TopBackLeft,
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TopBackCenter,
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TopBackRight,
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MaxChannels
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};
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/* Device formats */
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enum DevFmtType : unsigned char {
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DevFmtByte,
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DevFmtUByte,
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DevFmtShort,
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DevFmtUShort,
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DevFmtInt,
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DevFmtUInt,
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DevFmtFloat,
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DevFmtTypeDefault = DevFmtFloat
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};
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enum DevFmtChannels : unsigned char {
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DevFmtMono,
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DevFmtStereo,
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DevFmtQuad,
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DevFmtX51,
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DevFmtX61,
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DevFmtX71,
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DevFmtAmbi3D,
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DevFmtChannelsDefault = DevFmtStereo
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};
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#define MAX_OUTPUT_CHANNELS 16
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/* DevFmtType traits, providing the type, etc given a DevFmtType. */
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template<DevFmtType T>
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struct DevFmtTypeTraits { };
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template<>
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struct DevFmtTypeTraits<DevFmtByte> { using Type = int8_t; };
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template<>
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struct DevFmtTypeTraits<DevFmtUByte> { using Type = uint8_t; };
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template<>
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struct DevFmtTypeTraits<DevFmtShort> { using Type = int16_t; };
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template<>
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struct DevFmtTypeTraits<DevFmtUShort> { using Type = uint16_t; };
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template<>
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struct DevFmtTypeTraits<DevFmtInt> { using Type = int32_t; };
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template<>
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struct DevFmtTypeTraits<DevFmtUInt> { using Type = uint32_t; };
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template<>
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struct DevFmtTypeTraits<DevFmtFloat> { using Type = float; };
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template<DevFmtType T>
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using DevFmtType_t = typename DevFmtTypeTraits<T>::Type;
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uint BytesFromDevFmt(DevFmtType type) noexcept;
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uint ChannelsFromDevFmt(DevFmtChannels chans, uint ambiorder) noexcept;
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inline uint FrameSizeFromDevFmt(DevFmtChannels chans, DevFmtType type, uint ambiorder) noexcept
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{ return ChannelsFromDevFmt(chans, ambiorder) * BytesFromDevFmt(type); }
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const char *DevFmtTypeString(DevFmtType type) noexcept;
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const char *DevFmtChannelsString(DevFmtChannels chans) noexcept;
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enum class DevAmbiLayout : bool {
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FuMa,
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ACN,
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Default = ACN
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};
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enum class DevAmbiScaling : unsigned char {
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FuMa,
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SN3D,
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N3D,
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Default = SN3D
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};
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#endif /* CORE_DEVFORMAT_H */
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