diff options
Diffstat (limited to 'include/AL')
| -rw-r--r-- | include/AL/alc.h | 71 |
1 files changed, 52 insertions, 19 deletions
diff --git a/include/AL/alc.h b/include/AL/alc.h index 5786bad2..f1b6709a 100644 --- a/include/AL/alc.h +++ b/include/AL/alc.h @@ -22,7 +22,7 @@ extern "C" { #endif -/** Deprecated macro. */ +/* Deprecated macros. */ #define ALCAPI ALC_API #define ALCAPIENTRY ALC_APIENTRY #define ALC_INVALID 0 @@ -89,7 +89,7 @@ typedef void ALCvoid; /** Context attribute: <int> Hz. */ #define ALC_REFRESH 0x1008 -/** Context attribute: AL_TRUE or AL_FALSE. */ +/** Context attribute: AL_TRUE or AL_FALSE synchronous context? */ #define ALC_SYNC 0x1009 /** Context attribute: <int> requested Mono (3D) Sources. */ @@ -117,12 +117,14 @@ typedef void ALCvoid; #define ALC_OUT_OF_MEMORY 0xA005 -/** Runtime ALC version. */ +/** Runtime ALC major version. */ #define ALC_MAJOR_VERSION 0x1000 +/** Runtime ALC minor version. */ #define ALC_MINOR_VERSION 0x1001 -/** Context attribute list properties. */ +/** Context attribute list size. */ #define ALC_ATTRIBUTES_SIZE 0x1002 +/** Context attribute list properties. */ #define ALC_ALL_ATTRIBUTES 0x1003 /** String for the default device specifier. */ @@ -166,49 +168,80 @@ typedef void ALCvoid; #define ALC_ALL_DEVICES_SPECIFIER 0x1013 -/** Context management. */ -ALC_API ALCcontext* ALC_APIENTRY alcCreateContext(ALCdevice *device, const ALCint* attrlist); +/* Context management. */ + +/** Create and attach a context to the given device. */ +ALC_API ALCcontext* ALC_APIENTRY alcCreateContext(ALCdevice *device, const ALCint *attrlist); +/** + * Makes the given context the active process-wide context. Passing NULL clears + * the active context. + */ ALC_API ALCboolean ALC_APIENTRY alcMakeContextCurrent(ALCcontext *context); +/** Resumes processing updates for the given context. */ ALC_API void ALC_APIENTRY alcProcessContext(ALCcontext *context); +/** Suspends updates for the given context. */ ALC_API void ALC_APIENTRY alcSuspendContext(ALCcontext *context); +/** Remove a context from its device and destroys it. */ ALC_API void ALC_APIENTRY alcDestroyContext(ALCcontext *context); +/** Returns the currently active context. */ ALC_API ALCcontext* ALC_APIENTRY alcGetCurrentContext(void); +/** Returns the device that a particular context is attached to. */ ALC_API ALCdevice* ALC_APIENTRY alcGetContextsDevice(ALCcontext *context); -/** Device management. */ +/* Device management. */ + +/** Opens the named playback device. */ ALC_API ALCdevice* ALC_APIENTRY alcOpenDevice(const ALCchar *devicename); +/** Closes the given playback device. */ ALC_API ALCboolean ALC_APIENTRY alcCloseDevice(ALCdevice *device); +/* Error support. */ -/** - * Error support. - * - * Obtain the most recent Device error. - */ +/** Obtain the most recent Device error. */ ALC_API ALCenum ALC_APIENTRY alcGetError(ALCdevice *device); +/* Extension support. */ + /** - * Extension support. - * - * Query for the presence of an extension, and obtain any appropriate - * function pointers and enum values. + * Query for the presence of an extension on the device. Pass a NULL device to + * query a device-inspecific extension. */ ALC_API ALCboolean ALC_APIENTRY alcIsExtensionPresent(ALCdevice *device, const ALCchar *extname); +/** + * Retrieve the address of a function. Given a non-NULL device, the returned + * function may be device-specific. + */ ALC_API void* ALC_APIENTRY alcGetProcAddress(ALCdevice *device, const ALCchar *funcname); +/** + * Retrieve the value of an enum. Given a non-NULL device, the returned value + * may be device-specific. + */ ALC_API ALCenum ALC_APIENTRY alcGetEnumValue(ALCdevice *device, const ALCchar *enumname); -/** Query function. */ +/* Query functions. */ + +/** Returns information about the device, and error strings. */ ALC_API const ALCchar* ALC_APIENTRY alcGetString(ALCdevice *device, ALCenum param); +/** Returns information about the device and the version of OpenAL. */ ALC_API void ALC_APIENTRY alcGetIntegerv(ALCdevice *device, ALCenum param, ALCsizei size, ALCint *values); -/** Capture function. */ +/* Capture functions. */ + +/** + * Opens the named capture device with the given frequency, format, and buffer + * size. + */ ALC_API ALCdevice* ALC_APIENTRY alcCaptureOpenDevice(const ALCchar *devicename, ALCuint frequency, ALCenum format, ALCsizei buffersize); +/** Closes the given capture device. */ ALC_API ALCboolean ALC_APIENTRY alcCaptureCloseDevice(ALCdevice *device); +/** Starts capturing samples into the device buffer. */ ALC_API void ALC_APIENTRY alcCaptureStart(ALCdevice *device); +/** Stops capturing samples. Samples in the device buffer remain available. */ ALC_API void ALC_APIENTRY alcCaptureStop(ALCdevice *device); +/** Reads samples from the device buffer. */ ALC_API void ALC_APIENTRY alcCaptureSamples(ALCdevice *device, ALCvoid *buffer, ALCsizei samples); -/** Pointer-to-function type, useful for dynamically getting ALC entry points. */ +/* Pointer-to-function type, useful for dynamically getting ALC entry points. */ typedef ALCcontext* (ALC_APIENTRY *LPALCCREATECONTEXT)(ALCdevice *device, const ALCint *attrlist); typedef ALCboolean (ALC_APIENTRY *LPALCMAKECONTEXTCURRENT)(ALCcontext *context); typedef void (ALC_APIENTRY *LPALCPROCESSCONTEXT)(ALCcontext *context); |