diff options
Diffstat (limited to 'examples/alhrtf.c')
| -rw-r--r-- | examples/alhrtf.c | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/examples/alhrtf.c b/examples/alhrtf.c index f9150ae1..2be28a91 100644 --- a/examples/alhrtf.c +++ b/examples/alhrtf.c @@ -24,11 +24,14 @@ /* This file contains an example for selecting an HRTF. */ -#include <stdio.h> #include <assert.h> #include <math.h> +#include <stdio.h> +#include <string.h> -#include <SDL_sound.h> +#include "SDL_sound.h" +#include "SDL_audio.h" +#include "SDL_stdinc.h" #include "AL/al.h" #include "AL/alc.h" @@ -109,7 +112,7 @@ static ALuint LoadSound(const char *filename) * close the file. */ buffer = 0; alGenBuffers(1, &buffer); - alBufferData(buffer, format, sample->buffer, slen, sample->actual.rate); + alBufferData(buffer, format, sample->buffer, (ALsizei)slen, (ALsizei)sample->actual.rate); Sound_FreeSample(sample); /* Check if an error occured, and clean up if so. */ @@ -129,6 +132,7 @@ static ALuint LoadSound(const char *filename) int main(int argc, char **argv) { ALCdevice *device; + ALCcontext *context; ALboolean has_angle_ext; ALuint source, buffer; const char *soundname; @@ -150,7 +154,8 @@ int main(int argc, char **argv) if(InitAL(&argv, &argc) != 0) return 1; - device = alcGetContextsDevice(alcGetCurrentContext()); + context = alcGetCurrentContext(); + device = alcGetContextsDevice(context); if(!alcIsExtensionPresent(device, "ALC_SOFT_HRTF")) { fprintf(stderr, "Error: ALC_SOFT_HRTF not supported\n"); @@ -159,16 +164,16 @@ int main(int argc, char **argv) } /* Define a macro to help load the function pointers. */ -#define LOAD_PROC(d, x) ((x) = alcGetProcAddress((d), #x)) - LOAD_PROC(device, alcGetStringiSOFT); - LOAD_PROC(device, alcResetDeviceSOFT); +#define LOAD_PROC(d, T, x) ((x) = (T)alcGetProcAddress((d), #x)) + LOAD_PROC(device, LPALCGETSTRINGISOFT, alcGetStringiSOFT); + LOAD_PROC(device, LPALCRESETDEVICESOFT, alcResetDeviceSOFT); #undef LOAD_PROC /* Check for the AL_EXT_STEREO_ANGLES extension to be able to also rotate * stereo sources. */ has_angle_ext = alIsExtensionPresent("AL_EXT_STEREO_ANGLES"); - printf("AL_EXT_STEREO_ANGLES%s found\n", has_angle_ext?"":" not"); + printf("AL_EXT_STEREO_ANGLES %sfound\n", has_angle_ext?"":"not "); /* Check for user-preferred HRTF */ if(strcmp(argv[0], "-hrtf") == 0) @@ -252,7 +257,7 @@ int main(int argc, char **argv) alGenSources(1, &source); alSourcei(source, AL_SOURCE_RELATIVE, AL_TRUE); alSource3f(source, AL_POSITION, 0.0f, 0.0f, -1.0f); - alSourcei(source, AL_BUFFER, buffer); + alSourcei(source, AL_BUFFER, (ALint)buffer); assert(alGetError()==AL_NO_ERROR && "Failed to setup sound source"); /* Play the sound until it finishes. */ @@ -261,6 +266,8 @@ int main(int argc, char **argv) do { al_nssleep(10000000); + alcSuspendContext(context); + /* Rotate the source around the listener by about 1/4 cycle per second, * and keep it within -pi...+pi. */ @@ -279,6 +286,7 @@ int main(int argc, char **argv) ALfloat angles[2] = { (ALfloat)(M_PI/6.0 - angle), (ALfloat)(-M_PI/6.0 - angle) }; alSourcefv(source, AL_STEREO_ANGLES, angles); } + alcProcessContext(context); alGetSourcei(source, AL_SOURCE_STATE, &state); } while(alGetError() == AL_NO_ERROR && state == AL_PLAYING); |