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/*
audio/audio.cc
This file is part of the Osirion project and is distributed under
the terms of the GNU General Public License version 2
*/
#include "audio/audio.h"
#include "audio/buffers.h"
#include "audio/pcm.h"
#include "audio/sources.h"
#include "sys/sys.h"
namespace audio
{
ALCdevice *audio_device = 0;
ALCcontext *audio_context = 0;
void init()
{
con_print << "^BInitializing audio...";
// open the default audio device
audio_device = alcOpenDevice(0);
if (!audio_device) {
con_warn << "Could not initialize audio!";
return;
}
// create the audio context
audio_context = alcCreateContext(audio_device ,0);
alcMakeContextCurrent(audio_context);
// clear errors
alGetError();
Buffers::init();
Sources::init();
//con_debug << " device ^B" << alcGetString(audio_device, ALC_DEFAULT_DEVICE_SPECIFIER) << std::endl;
load("com/chat");
load("com/hail");
}
void load (const char *name)
{
Buffers::load(std::string(name));
}
void shutdown()
{
con_print << "^BShutting down audio...";
Sources::shutdown();
Buffers::shutdown();
if (audio_context) {
alcMakeContextCurrent(0);
alcDestroyContext(audio_context);
audio_context = 0;
}
if (audio_device) {
alcCloseDevice(audio_device);
audio_device = 0;
}
}
void play(const char *name)
{
if (!audio_context)
return;
size_t buffer = Buffers::load(std::string(name));
for (size_t i = 0; i < MAXUISOURCES; i++) {
ALint srcstate = 0;
ALuint source = Sources::source(i);
alGetSourcei(source , AL_SOURCE_STATE , &srcstate);
if (srcstate != AL_PLAYING) {
Buffers::bind(source, buffer);
alSourcef(source, AL_PITCH, 1.0);
alSourcef(source, AL_GAIN, 1.0);
alSourceRewind(source);
alSourcePlay(source);
return;
}
}
}
}
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