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add effects control (WIP)

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This commit is contained in:
MihailRis 2025-02-19 22:22:00 +03:00
parent 923c694ab4
commit 743e178f0a
3 changed files with 67 additions and 27 deletions
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59
src/audio/AL/ALAudio.cpp
View file

@ -535,16 +535,42 @@ ALAudio::~ALAudio() {
context = nullptr;
}
template<typename T>
static bool get_proc_address(const char* name, T& ptr) {
ptr = (T) alGetProcAddress(name);
return ptr != nullptr;
}
void ALAudio::initEffects() {
for (uint i = 0; i < effectSlots.size(); i++) {
bool ok = get_proc_address("alAuxiliaryEffectSloti", alAuxiliaryEffectSloti)
&& get_proc_address("alGenAuxiliaryEffectSlots", alGenAuxiliaryEffectSlots)
&& get_proc_address("alGenEffects", alGenEffects)
&& get_proc_address("alDeleteEffects", alDeleteEffects)
&& get_proc_address("alIsEffect", alIsEffect)
&& get_proc_address("alEffecti", alEffecti)
&& get_proc_address("alEffectf", alEffectf)
&& get_proc_address("alGenFilters", alGenFilters)
&& get_proc_address("alDeleteFilters", alDeleteFilters)
&& get_proc_address("alIsFilter", alIsFilter)
&& get_proc_address("alFilteri", alFilteri)
&& get_proc_address("alFilterf", alFilterf)
;
if (!ok) {
logger.error() << "could not get effects extension function pointers";
useEffects = false;
return;
}
for (uint i = 0; i < maxEffectSlots; i++) {
effectSlots.emplace_back();
alGenAuxiliaryEffectSlots(1, &effectSlots[i]);
if (alGetError() != AL_NO_ERROR) {
logger.error() << "could not to create aux effect slot #" << i;
useEffects = false;
return;
break;
}
}
for (uint i = 0; i < effects.size(); i++) {
logger.info() << "created " << effectSlots.size() << " effect slots";
for (uint i = 0; i < 4; i++) {
effects.emplace_back();
alGenEffects(1, &effects[i]);
if (alGetError() != AL_NO_ERROR || !alIsEffect(effects[i])) {
logger.error() << "could not to create effect #" << i;
@ -552,6 +578,8 @@ void ALAudio::initEffects() {
return;
}
}
logger.info() << "created " << effects.size() << " effects";
for (uint i = 0; i < filters.size(); i++) {
alGenFilters(1, &filters[i]);
if (alGetError() != AL_NO_ERROR || !alIsFilter(filters[i])) {
@ -569,6 +597,7 @@ void ALAudio::initEffects() {
return;
}
alEffectf(effects[0], AL_REVERB_DECAY_TIME, 1.0f);
alEffectf(effects[0], AL_REVERB_ROOM_ROLLOFF_FACTOR, 0.07f); // default is 0
// Create lowpass filter
alFilteri(filters[0], AL_FILTER_TYPE, AL_FILTER_LOWPASS);
@ -700,26 +729,6 @@ std::unique_ptr<ALAudio> ALAudio::create() {
alcGetIntegerv(device, ALC_MAX_AUXILIARY_SENDS, 1, &sends);
logger.info() << "device supports " << sends << " aux sends per source";
if (effects) {
bool ok = get_proc_address("alAuxiliaryEffectSloti", alAuxiliaryEffectSloti)
&& get_proc_address("alGenAuxiliaryEffectSlots", alGenAuxiliaryEffectSlots)
&& get_proc_address("alGenEffects", alGenEffects)
&& get_proc_address("alDeleteEffects", alDeleteEffects)
&& get_proc_address("alIsEffect", alIsEffect)
&& get_proc_address("alEffecti", alEffecti)
&& get_proc_address("alEffectf", alEffectf)
&& get_proc_address("alGenFilters", alGenFilters)
&& get_proc_address("alDeleteFilters", alDeleteFilters)
&& get_proc_address("alIsFilter", alIsFilter)
&& get_proc_address("alFilteri", alFilteri)
&& get_proc_address("alFilterf", alFilterf)
;
if (!ok) {
logger.error() << "could not get effects extension function pointers";
effects = false;
}
}
logger.info() << "initialized";
return std::make_unique<ALAudio>(device, context, effects);
}

6
src/audio/AL/ALAudio.hpp
View file

@ -9,6 +9,7 @@
#include "typedefs.hpp"
#include "audio/audio.hpp"
#include "audio/effects.hpp"
#ifdef __APPLE__
#include <OpenAL/al.h>
@ -180,11 +181,12 @@ namespace audio {
std::vector<uint> allbuffers;
std::vector<uint> freebuffers;
uint maxSources = 256;
uint maxEffectSlots = 64;
void initEffects();
public:
std::array<uint, 2> effectSlots;
std::array<uint, 2> effects;
std::vector<uint> effectSlots;
std::vector<uint> effects;
std::array<uint, 1> filters;
bool useEffects;

29
src/audio/effects.hpp Normal file
View file

@ -0,0 +1,29 @@
#pragma once
#include <map>
#include <string>
#include <variant>
#include <optional>
namespace audio {
struct Effect {
struct Property {
using Value = std::variant<float, int>;
int id;
Value def;
Value min;
Value max;
};
std::map<std::string, Property> properties;
};
class EffectControl {
public:
EffectControl(const Effect* effect) : effect(effect) {};
virtual ~EffectControl() = default;
virtual void set(const std::string& name, Effect::Property::Value value) = 0;
protected:
const Effect* effect = nullptr;
};
}