diff options
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/openal-info.c | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/examples/openal-info.c b/examples/openal-info.c index ee4021c1..6ca54b51 100644 --- a/examples/openal-info.c +++ b/examples/openal-info.c @@ -19,6 +19,37 @@ #include "AL/al.h" #include "AL/alext.h" +#ifndef ALC_EXT_EFX +#define AL_FILTER_TYPE 0x8001 +#define AL_EFFECT_TYPE 0x8001 +#define AL_FILTER_NULL 0x0000 +#define AL_FILTER_LOWPASS 0x0001 +#define AL_FILTER_HIGHPASS 0x0002 +#define AL_FILTER_BANDPASS 0x0003 +#define AL_EFFECT_NULL 0x0000 +#define AL_EFFECT_EAXREVERB 0x8000 +#define AL_EFFECT_REVERB 0x0001 +#define AL_EFFECT_CHORUS 0x0002 +#define AL_EFFECT_DISTORTION 0x0003 +#define AL_EFFECT_ECHO 0x0004 +#define AL_EFFECT_FLANGER 0x0005 +#define AL_EFFECT_FREQUENCY_SHIFTER 0x0006 +#define AL_EFFECT_VOCAL_MORPHER 0x0007 +#define AL_EFFECT_PITCH_SHIFTER 0x0008 +#define AL_EFFECT_RING_MODULATOR 0x0009 +#define AL_EFFECT_AUTOWAH 0x000A +#define AL_EFFECT_COMPRESSOR 0x000B +#define AL_EFFECT_EQUALIZER 0x000C +#define ALC_EFX_MAJOR_VERSION 0x20001 +#define ALC_EFX_MINOR_VERSION 0x20002 +#define ALC_MAX_AUXILIARY_SENDS 0x20003 +#endif +ALvoid AL_APIENTRY (*p_alGenFilters)(ALsizei,ALuint*); +ALvoid AL_APIENTRY (*p_alDeleteFilters)(ALsizei,ALuint*); +ALvoid AL_APIENTRY (*p_alFilteri)(ALuint,ALenum,ALint); +ALvoid AL_APIENTRY (*p_alGenEffects)(ALsizei,ALuint*); +ALvoid AL_APIENTRY (*p_alDeleteEffects)(ALsizei,ALuint*); +ALvoid AL_APIENTRY (*p_alEffecti)(ALuint,ALenum,ALint); static const int indentation = 4; static const int maxmimumWidth = 79; @@ -152,6 +183,97 @@ static void printALInfo(void) checkForErrors(); } +static void printEFXInfo(void) +{ + ALCint major, minor, sends; + ALCdevice *device; + ALuint obj; + int i; + const struct { + ALenum type; + const char *name; + } effects[] = { + { AL_EFFECT_EAXREVERB, "EAX Reverb" }, + { AL_EFFECT_REVERB, "Standard Reverb" }, + { AL_EFFECT_CHORUS, "Chorus" }, + { AL_EFFECT_DISTORTION, "Distortion" }, + { AL_EFFECT_ECHO, "Echo" }, + { AL_EFFECT_FLANGER, "Flanger" }, + { AL_EFFECT_FREQUENCY_SHIFTER, "Frequency Shifter" }, + { AL_EFFECT_VOCAL_MORPHER, "Vocal Morpher" }, + { AL_EFFECT_PITCH_SHIFTER, "Pitch Shifter" }, + { AL_EFFECT_RING_MODULATOR, "Ring Modulator" }, + { AL_EFFECT_AUTOWAH, "Autowah" }, + { AL_EFFECT_COMPRESSOR, "Compressor" }, + { AL_EFFECT_EQUALIZER, "Equalizer" }, + { AL_EFFECT_NULL, NULL } + }; + const struct { + ALenum type; + const char *name; + } filters[] = { + { AL_FILTER_LOWPASS, "Low-pass" }, + { AL_FILTER_HIGHPASS, "High-pass" }, + { AL_FILTER_BANDPASS, "Band-pass" }, + { AL_FILTER_NULL, NULL } + }; + + device = alcGetContextsDevice(alcGetCurrentContext()); + + if(alcIsExtensionPresent(device, (const ALCchar*)"ALC_EXT_EFX") == AL_FALSE) + { + printf("EFX not available\n"); + return; + } + + alcGetIntegerv(device, ALC_EFX_MAJOR_VERSION, 1, &major); + alcGetIntegerv(device, ALC_EFX_MINOR_VERSION, 1, &minor); + checkForErrors(); + printf("EFX version: %d.%d\n", (int)major, (int)minor); + + alcGetIntegerv(device, ALC_MAX_AUXILIARY_SENDS, 1, &sends); + checkForErrors(); + printf("Max auxiliary sends: %d\n", (int)sends); + + p_alGenFilters = alGetProcAddress("alGenFilters"); + p_alDeleteFilters = alGetProcAddress("alDeleteFilters"); + p_alFilteri = alGetProcAddress("alFilteri"); + p_alGenEffects = alGetProcAddress("alGenEffects"); + p_alDeleteEffects = alGetProcAddress("alDeleteEffects"); + p_alEffecti = alGetProcAddress("alEffecti"); + checkForErrors(); + if(!p_alGenEffects || !p_alDeleteEffects || !p_alEffecti || + !p_alGenFilters || !p_alDeleteFilters || !p_alFilteri) + { + printf("Missing EFX functions!\n"); + return; + } + + p_alGenFilters(1, &obj); + checkForErrors(); + printf("Available filters:\n"); + for(i = 0;filters[i].type != AL_FILTER_NULL;i++) + { + p_alFilteri(obj, AL_FILTER_TYPE, filters[i].type); + if(alGetError() == AL_NO_ERROR) + printf(" %s\n", filters[i].name); + } + p_alDeleteFilters(1, &obj); + checkForErrors(); + + p_alGenEffects(1, &obj); + checkForErrors(); + printf("Available effects:\n"); + for(i = 0;effects[i].type != AL_EFFECT_NULL;i++) + { + p_alEffecti(obj, AL_EFFECT_TYPE, effects[i].type); + if(alGetError() == AL_NO_ERROR) + printf(" %s\n", effects[i].name); + } + p_alDeleteEffects(1, &obj); + checkForErrors(); +} + int main() { ALCdevice *device = alcOpenDevice(NULL); @@ -161,6 +283,7 @@ int main() printALCInfo(); printALInfo(); + printEFXInfo(); checkForErrors(); alcMakeContextCurrent(NULL); |