dl_audio_loader.h

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#pragma once
 
#ifndef DL_DISABLE_AUDIO
#include <string>
#include "memory/dl_buffer.h"
 
namespace dl
{
class AudioLoader
{
public:
    struct PCM
    {
        int _numChannel;//通道数 1,2 AL_FORMAT_MONO8,AL_FORMAT_STEREO8
        int _bitPerSample;//采样数 8,16 
        Buffer _buf;
        size_t _freq;//采样率
    }; 
    static bool ReadWav(std::string_view path_name, PCM& pcm);
    static bool ReadOgg(std::string_view path_name, PCM& pcm);
    static bool ReadFlac(std::string_view path_name, PCM& pcm);
    static bool ReadMp3(std::string_view path_name, PCM& pcm);
#if DL_PLATFORM == DL_PLATFORM_WIN32
    static bool WriteOgg(std::string_view path_name, const PCM& pcm);
#endif
    ~AudioLoader();
};

struct WAVEFormat 
{
    int16_t audioFormat;
    int16_t numChannels;
    int32_t sampleRate;
    int32_t byteRate;
    int16_t blockAlign;
    int16_t bitsPerSample;
};
 
}
 
#endif