Files
MuditaOS/module-audio/Audio/decoder/decoderWAV.hpp
Mateusz fdbfc73b5e WiP: necessary changes in old decoder code
Added some unit tests
2019-07-22 22:48:56 +02:00

60 lines
1.4 KiB
C++

/*
* @file decoderWAV.hpp
* @author Mateusz Piesta (mateusz.piesta@mudita.com)
* @date 06.04.19
* @brief
* @copyright Copyright (C) 2019 mudita.com
* @details
*/
#ifndef UNTITLED1_DECODERWAV_HPP
#define UNTITLED1_DECODERWAV_HPP
#include "decoder.hpp"
namespace decoder {
class decoderWAV : public decoder {
public:
decoderWAV(const char *fileName);
~decoderWAV() {}
std::unique_ptr<Tags> fetchTags() override;
uint32_t decode(uint32_t samplesToRead, int16_t *pcmData) override;
void setPosition(float pos) override;
private:
using WAVE_FormatTypeDef = struct {
uint32_t ChunkID; /* 0 */
uint32_t FileSize; /* 4 */
uint32_t FileFormat; /* 8 */
uint32_t SubChunk1ID; /* 12 */
uint32_t SubChunk1Size; /* 16*/
uint16_t AudioFormat; /* 20 */
uint16_t NbrChannels; /* 22 */
uint32_t SampleRate; /* 24 */
uint32_t ByteRate; /* 28 */
uint16_t BlockAlign; /* 32 */
uint16_t BitPerSample; /* 34 */
uint32_t SubChunk2ID; /* 36 */
uint32_t SubChunk2Size; /* 40 */
};
WAVE_FormatTypeDef waveHeader;
uint32_t bitsPerSample;
std::unique_ptr<Tags> tag = nullptr;
};
}
#endif //UNTITLED1_DECODERWAV_HPP