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44 lines
1.6 KiB
C
44 lines
1.6 KiB
C
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#ifndef ALHELPERS_H
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#define ALHELPERS_H
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#include "AL/alc.h"
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#include "AL/al.h"
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#include "AL/alext.h"
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/* Some helper functions to get the name from the channel and type enums. */
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const char *ChannelsName(ALenum chans);
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const char *TypeName(ALenum type);
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/* Helpers to convert frame counts and byte lengths. */
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ALsizei FramesToBytes(ALsizei size, ALenum channels, ALenum type);
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ALsizei BytesToFrames(ALsizei size, ALenum channels, ALenum type);
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/* Retrieves a compatible buffer format given the channel configuration and
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* sample type. If an alIsBufferFormatSupportedSOFT-compatible function is
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* provided, it will be called to find the closest-matching format from
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* AL_SOFT_buffer_samples. Returns AL_NONE (0) if no supported format can be
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* found. */
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ALenum GetFormat(ALenum channels, ALenum type, LPALISBUFFERFORMATSUPPORTEDSOFT palIsBufferFormatSupportedSOFT);
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/* Loads samples into a buffer using the standard alBufferData call, but with a
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* LPALBUFFERSAMPLESSOFT-compatible prototype. Assumes internalformat is valid
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* for alBufferData, and that channels and type match it. */
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void AL_APIENTRY wrap_BufferSamples(ALuint buffer, ALuint samplerate,
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ALenum internalformat, ALsizei samples,
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ALenum channels, ALenum type,
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const ALvoid *data);
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/* Easy device init/deinit functions. InitAL returns 0 on success. */
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int InitAL(void);
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void CloseAL(void);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* ALHELPERS_H */
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