master/AWavSoundStream_8h_source.html

#pragma once


#include "AUI/Audio/ISoundInputStream.h"

#include "AUI/Url/AUrl.h"


class ISeekableInputStream;


class API_AUI_AUDIO AWavSoundStream: public ISoundInputStream {

public:

    explicit AWavSoundStream(aui::non_null<_unique<IInputStream>> stream);


    AAudioFormat info() override;


    size_t read(char* dst, size_t size) override;


private:

    struct WavFileHeader {

        char    chunkID[4];

        int32_t chunkSize;

        char    format[4];


        char    subchunk1ID[4];

        int32_t subchunk1Size;

        int16_t audioFormat;

        int16_t numChannels;

        int32_t sampleRate;

        int32_t byteRate;

        int16_t blockAlign;

        int16_t bitsPerSample;


        char    subchunk2ID[4];

        int32_t subchunk2Size;

    };


    static_assert(sizeof(WavFileHeader) == 44);


    _unique<IInputStream> mStream;

    AOptional<AUrl> mUrl;

    WavFileHeader mHeader{};

    size_t mChunkReadPos = 0;


    void readHeader();

};


AOptional
Utility wrapper implementing the stack-allocated (fast) optional idiom.
Definition AOptional.h:33

AWavSoundStream::info
AAudioFormat info() override
Get general info about sound stream.

AWavSoundStream::read
size_t read(char *dst, size_t size) override
Reads up to size bytes from stream. Blocking (waiting for new data) is allowed.

ISeekableInputStream
Represents an input stream with updating reading position.
Definition ISeekableInputStream.h:27

ISoundInputStream
Base interface for representing sound input streams of different formats.
Definition ISoundInputStream.h:15

AAudioFormat
Audio format descriptor.
Definition AAudioFormat.h:13

aui::non_null
Definition values.h:109