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-rw-r--r--al/alBuffer.h121
1 files changed, 121 insertions, 0 deletions
diff --git a/al/alBuffer.h b/al/alBuffer.h
new file mode 100644
index 00000000..1d5873e5
--- /dev/null
+++ b/al/alBuffer.h
@@ -0,0 +1,121 @@
+#ifndef AL_BUFFER_H
+#define AL_BUFFER_H
+
+#include <atomic>
+
+#include "AL/al.h"
+
+#include "albyte.h"
+#include "almalloc.h"
+#include "atomic.h"
+#include "inprogext.h"
+#include "vector.h"
+
+
+/* User formats */
+enum UserFmtType : unsigned char {
+ UserFmtUByte,
+ UserFmtShort,
+ UserFmtFloat,
+ UserFmtDouble,
+ UserFmtMulaw,
+ UserFmtAlaw,
+ UserFmtIMA4,
+ UserFmtMSADPCM,
+};
+enum UserFmtChannels : unsigned char {
+ UserFmtMono,
+ UserFmtStereo,
+ UserFmtRear,
+ UserFmtQuad,
+ UserFmtX51, /* (WFX order) */
+ UserFmtX61, /* (WFX order) */
+ UserFmtX71, /* (WFX order) */
+ UserFmtBFormat2D, /* WXY */
+ UserFmtBFormat3D, /* WXYZ */
+};
+
+ALsizei BytesFromUserFmt(UserFmtType type);
+ALsizei ChannelsFromUserFmt(UserFmtChannels chans);
+inline ALsizei FrameSizeFromUserFmt(UserFmtChannels chans, UserFmtType type)
+{ return ChannelsFromUserFmt(chans) * BytesFromUserFmt(type); }
+
+
+/* Storable formats */
+enum FmtType : unsigned char {
+ FmtUByte = UserFmtUByte,
+ FmtShort = UserFmtShort,
+ FmtFloat = UserFmtFloat,
+ FmtDouble = UserFmtDouble,
+ FmtMulaw = UserFmtMulaw,
+ FmtAlaw = UserFmtAlaw,
+};
+enum FmtChannels : unsigned char {
+ FmtMono = UserFmtMono,
+ FmtStereo = UserFmtStereo,
+ FmtRear = UserFmtRear,
+ FmtQuad = UserFmtQuad,
+ FmtX51 = UserFmtX51,
+ FmtX61 = UserFmtX61,
+ FmtX71 = UserFmtX71,
+ FmtBFormat2D = UserFmtBFormat2D,
+ FmtBFormat3D = UserFmtBFormat3D,
+};
+#define MAX_INPUT_CHANNELS (8)
+
+/* DevFmtType traits, providing the type, etc given a DevFmtType. */
+template<FmtType T>
+struct FmtTypeTraits { };
+
+template<>
+struct FmtTypeTraits<FmtUByte> { using Type = ALubyte; };
+template<>
+struct FmtTypeTraits<FmtShort> { using Type = ALshort; };
+template<>
+struct FmtTypeTraits<FmtFloat> { using Type = ALfloat; };
+template<>
+struct FmtTypeTraits<FmtDouble> { using Type = ALdouble; };
+template<>
+struct FmtTypeTraits<FmtMulaw> { using Type = ALubyte; };
+template<>
+struct FmtTypeTraits<FmtAlaw> { using Type = ALubyte; };
+
+
+ALsizei BytesFromFmt(FmtType type);
+ALsizei ChannelsFromFmt(FmtChannels chans);
+inline ALsizei FrameSizeFromFmt(FmtChannels chans, FmtType type)
+{ return ChannelsFromFmt(chans) * BytesFromFmt(type); }
+
+
+struct ALbuffer {
+ al::vector<al::byte,16> mData;
+
+ ALsizei Frequency{0};
+ ALbitfieldSOFT Access{0u};
+ ALsizei SampleLen{0};
+
+ FmtChannels mFmtChannels{};
+ FmtType mFmtType{};
+
+ UserFmtType OriginalType{};
+ ALsizei OriginalSize{0};
+ ALsizei OriginalAlign{0};
+
+ ALsizei LoopStart{0};
+ ALsizei LoopEnd{0};
+
+ std::atomic<ALsizei> UnpackAlign{0};
+ std::atomic<ALsizei> PackAlign{0};
+
+ ALbitfieldSOFT MappedAccess{0u};
+ ALsizei MappedOffset{0};
+ ALsizei MappedSize{0};
+
+ /* Number of times buffer was attached to a source (deletion can only occur when 0) */
+ RefCount ref{0u};
+
+ /* Self ID */
+ ALuint id{0};
+};
+
+#endif