66 lines
1.6 KiB
C++
66 lines
1.6 KiB
C++
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#include <Kore/Audio2/Audio.h>
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#include <Kore/Audio3/Audio.h>
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using namespace Kore;
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namespace {
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const int channelCount = 64;
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Audio3::Channel channels[channelCount];
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void callback(uint32_t samples) {
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for (int i = 0; i < channelCount; ++i) {
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channels[i].callback(samples);
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}
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for (int i = 0; i < samples; ++i) {
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float value = 0;
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for (int i = 0; i < channelCount; ++i) {
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value += *(float *)&channels[i].buffer.data[Audio2::buffer.readLocation];
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channels[i].buffer.readLocation += 4;
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if (channels[i].buffer.readLocation >= channels[i].buffer.dataSize) {
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channels[i].buffer.readLocation = 0;
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}
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}
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*(float *)&Audio2::buffer.channels[0][Audio2::buffer.writeLocation] = value;
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*(float *)&Audio2::buffer.channels[1][Audio2::buffer.writeLocation] = value;
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Audio2::buffer.writeLocation += 1;
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if (Audio2::buffer.writeLocation >= Audio2::buffer.dataSize) {
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Audio2::buffer.writeLocation = 0;
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}
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}
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}
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}
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void Audio3::init() {
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for (int i = 0; i < channelCount; ++i) {
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channels[i].active = false;
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channels[i].buffer.readLocation = 0;
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channels[i].buffer.writeLocation = 0;
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channels[i].buffer.dataSize = 128 * 1024;
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channels[i].buffer.data = new u8[channels[i].buffer.dataSize];
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}
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Audio2::init();
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Audio2::audioCallback = callback;
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}
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void Audio3::update() {
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Audio2::update();
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}
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void Audio3::shutdown() {
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Audio2::shutdown();
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}
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Audio3::Channel *Audio3::createChannel(vec3 origin, AudioCallback callback) {
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for (int i = 0; i < channelCount; ++i) {
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if (!channels[i].active) {
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return &channels[i];
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}
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}
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return nullptr;
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}
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void Audio3::destroyChannel(Channel *channel) {
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channel->active = false;
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}
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