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766d278601
* Now using OpenAL as the main backend, ALSA has been deprecated...
* soundcore-openal.[hc] - OpenAL sound output for emulator
* alhelpers.[hc] - OpenAL suport files
* mockingboard.[hc] , AY8910.[hc] , SSI263Phonemes.h - Mockingboard support ported from AppleWin ...
48 lines
1.6 KiB
C
48 lines
1.6 KiB
C
#ifndef ALHELPERS_H
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#define ALHELPERS_H
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#ifndef _WIN32
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#include <unistd.h>
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#else
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#endif
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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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const char *FormatName(ALenum format);
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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. */
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ALCcontext* 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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