mirror of
https://github.com/QB64Official/qb64.git
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98 lines
2.5 KiB
C
98 lines
2.5 KiB
C
#ifndef _AL_BUFFER_H_
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#define _AL_BUFFER_H_
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#include "AL/al.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Input formats (some are currently theoretical) */
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enum UserFmtType {
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UserFmtByte, /* AL_BYTE */
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UserFmtUByte, /* AL_UNSIGNED_BYTE */
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UserFmtShort, /* AL_SHORT */
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UserFmtUShort, /* AL_UNSIGNED_SHORT */
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UserFmtInt, /* AL_INT */
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UserFmtUInt, /* AL_UNSIGNED_INT */
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UserFmtFloat, /* AL_FLOAT */
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UserFmtDouble, /* AL_DOUBLE */
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UserFmtMulaw, /* AL_MULAW */
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UserFmtIMA4, /* AL_IMA4 */
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};
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enum UserFmtChannels {
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UserFmtMono, /* AL_MONO */
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UserFmtStereo, /* AL_STEREO */
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UserFmtRear, /* AL_REAR */
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UserFmtQuad, /* AL_QUAD */
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UserFmtX51, /* AL_5POINT1 (WFX order) */
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UserFmtX61, /* AL_6POINT1 (WFX order) */
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UserFmtX71, /* AL_7POINT1 (WFX order) */
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};
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ALboolean DecomposeUserFormat(ALenum format, enum UserFmtChannels *chans,
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enum UserFmtType *type);
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ALuint BytesFromUserFmt(enum UserFmtType type);
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ALuint ChannelsFromUserFmt(enum UserFmtChannels chans);
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static __inline ALuint FrameSizeFromUserFmt(enum UserFmtChannels chans,
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enum UserFmtType type)
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{
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return ChannelsFromUserFmt(chans) * BytesFromUserFmt(type);
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}
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/* Storable formats */
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enum FmtType {
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FmtUByte = UserFmtUByte,
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FmtShort = UserFmtShort,
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FmtFloat = UserFmtFloat,
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};
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enum FmtChannels {
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FmtMono = UserFmtMono,
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FmtStereo = UserFmtStereo,
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FmtRear = UserFmtRear,
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FmtQuad = UserFmtQuad,
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FmtX51 = UserFmtX51,
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FmtX61 = UserFmtX61,
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FmtX71 = UserFmtX71,
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};
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ALboolean DecomposeFormat(ALenum format, enum FmtChannels *chans, enum FmtType *type);
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ALuint BytesFromFmt(enum FmtType type);
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ALuint ChannelsFromFmt(enum FmtChannels chans);
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static __inline ALuint FrameSizeFromFmt(enum FmtChannels chans, enum FmtType type)
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{
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return ChannelsFromFmt(chans) * BytesFromFmt(type);
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}
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typedef struct ALbuffer
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{
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ALvoid *data;
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ALsizei size;
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ALsizei Frequency;
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enum FmtChannels FmtChannels;
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enum FmtType FmtType;
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enum UserFmtChannels OriginalChannels;
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enum UserFmtType OriginalType;
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ALsizei OriginalSize;
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ALsizei OriginalAlign;
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ALsizei LoopStart;
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ALsizei LoopEnd;
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ALuint refcount; // Number of sources using this buffer (deletion can only occur when this is 0)
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// Index to itself
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ALuint buffer;
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} ALbuffer;
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ALvoid ReleaseALBuffers(ALCdevice *device);
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#ifdef __cplusplus
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}
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#endif
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#endif
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