64 lines
1.6 KiB
C++
64 lines
1.6 KiB
C++
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#include "xe_sound_device.hpp"
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#include <stdexcept>
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#include <iostream>
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#include <cstring>
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namespace xe {
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XeSoundDevice::XeSoundDevice() {
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ALboolean enumeration;
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enumeration = alcIsExtensionPresent(NULL, "ALC_ENUMERATION_EXT");
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if (enumeration == AL_FALSE) {
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fprintf(stderr, "enumeration extension not available\n");
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listAudioDevices(alcGetString(NULL, ALC_DEVICE_SPECIFIER));
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}
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listAudioDevices(alcGetString(NULL, ALC_DEVICE_SPECIFIER));
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const ALCchar* name = alcGetString(NULL, ALC_DEFAULT_DEVICE_SPECIFIER);
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device = alcOpenDevice(name);
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if (!device) {
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std::runtime_error("failed to get sound device");
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}
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std::cout << "Audio Device: " << alcGetString(device, ALC_DEVICE_SPECIFIER) << "\n";
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context = alcCreateContext(device, NULL);
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if(!alcMakeContextCurrent(context)) {
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std::runtime_error("failed to make sound context current");
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}
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alListener3f(AL_POSITION, 0.f, 0.f, 0.f);
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alListener3f(AL_VELOCITY, 0.f, 0.f, 0.f);
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ALfloat frontAndUpVectors[] = {
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/* front*/1.f, 0.f, 0.f,
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/* up */ 0.f, 1.f, 0.f
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};
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alListenerfv(AL_ORIENTATION, frontAndUpVectors);
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}
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void XeSoundDevice::listAudioDevices(const ALCchar* devices) {
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const ALCchar *device = devices, *next = devices + 1;
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size_t len = 0;
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fprintf(stdout, "Devices list: ");
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while (device && *device != '\0' && next && *next != '\0') {
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fprintf(stdout, "%s, ", device);
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len = strlen(device);
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device += (len + 1);
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next += (len + 2);
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}
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std::cout << "\n";
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}
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XeSoundDevice::~XeSoundDevice() {
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alcMakeContextCurrent(nullptr);
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alcDestroyContext(context);
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alcCloseDevice(device);
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}
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}
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