85 lines
2.3 KiB
C++
85 lines
2.3 KiB
C++
#ifndef AUDIO_AUDIOUTIL_HPP_
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#define AUDIO_AUDIOUTIL_HPP_
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#include "../../typedefs.h"
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#include <string>
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#include <type_traits>
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#include <cstdint>
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#ifdef __APPLE__
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#include <OpenAL/al.h>
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#else
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#include <AL/al.h>
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#endif
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#include <glm/glm.hpp>
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#define AL_CHECK(STATEMENT) STATEMENT; AL::check_errors(__FILE__, __LINE__)
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#define AL_GET_ERROR() AL::check_errors(__FILE__, __LINE__)
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namespace AL {
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/// @return true if no errors
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bool check_errors(const std::string& filename, const std::uint_fast32_t line);
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/// @brief alGetSourcef wrapper
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/// @param source target source
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/// @param field enum value
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/// @param def default value will be returned in case of error
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/// @return field value or default
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inline float getSourcef(uint source, ALenum field, float def=0.0f) {
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float value = def;
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if (source == 0)
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return def;
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AL_CHECK(alGetSourcef(source, field, &value));
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return value;
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}
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/// @brief alGetSource3f wrapper
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/// @param source target source
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/// @param field enum value
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/// @param def default value will be returned in case of error
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/// @return field value or default
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inline glm::vec3 getSource3f(uint source, ALenum field, glm::vec3 def={}) {
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glm::vec3 value = def;
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if (source == 0)
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return def;
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AL_CHECK(alGetSource3f(source, field, &value.x, &value.y, &value.z));
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return value;
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}
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/// @brief alGetSourcei wrapper
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/// @param source target source
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/// @param field enum value
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/// @param def default value will be returned in case of error
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/// @return field value or default
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inline float getSourcei(uint source, ALenum field, int def=0) {
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int value = def;
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if (source == 0)
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return def;
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AL_CHECK(alGetSourcei(source, field, &value));
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return value;
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}
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static inline ALenum to_al_format(short channels, short bitsPerSample){
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bool stereo = (channels > 1);
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switch (bitsPerSample) {
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case 16:
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if (stereo)
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return AL_FORMAT_STEREO16;
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else
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return AL_FORMAT_MONO16;
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case 8:
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if (stereo)
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return AL_FORMAT_STEREO8;
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else
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return AL_FORMAT_MONO8;
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default:
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return -1;
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}
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}
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}
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#endif // AUDIO_AUDIOUTIL_HPP_
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