1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/prototype/src/audio/audio.cc	Sun Sep 16 08:16:50 2012 +0300
     1.3 @@ -0,0 +1,44 @@
     1.4 +#include <stdio.h>
     1.5 +#include "openal.h"
     1.6 +#include "audio.h"
     1.7 +
     1.8 +#define CHECK_ERROR \
     1.9 +    do { \
    1.10 +        unsigned int err = alGetError(); \
    1.11 +        if(err != 0) { \
    1.12 +            fprintf(stderr, "%s:%d: AL error: %#x\n", __FILE__, __LINE__, err); \
    1.13 +            abort(); \
    1.14 +        } \
    1.15 +    } while(0)
    1.16 +
    1.17 +static ALCdevice *dev;
    1.18 +static ALCcontext *ctx;
    1.19 +
    1.20 +
    1.21 +bool init_audio()
    1.22 +{
    1.23 +	if(dev) {
    1.24 +		return true;
    1.25 +	}
    1.26 +
    1.27 +	if(!(dev = alcOpenDevice(0))) {
    1.28 +		fprintf(stderr, "failed to open OpenAL device\n");
    1.29 +		return false;
    1.30 +	}
    1.31 +	ctx = alcCreateContext(dev, 0);
    1.32 +	alcMakeContextCurrent(ctx);
    1.33 +
    1.34 +	alGetError();	// clear error code
    1.35 +	return true;
    1.36 +}
    1.37 +
    1.38 +void destroy_audio()
    1.39 +{
    1.40 +	alcMakeContextCurrent(0);
    1.41 +	if(ctx) {
    1.42 +		alcDestroyContext(ctx);
    1.43 +	}
    1.44 +	if(dev) {
    1.45 +		alcCloseDevice(dev);
    1.46 +	}
    1.47 +}