wav_reader.h

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 *    notice, this list of conditions and the following disclaimer.
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#include <stdio.h> // FILE *
 
#ifdef __cplusplus
#include <cstdint>
#else
#include <stdint.h>
#endif
 
struct wav_metadata {
        unsigned int ch_count;
        unsigned int sample_rate;
        unsigned int bits_per_sample;
        uint16_t valid_bits;
        uint32_t channel_mask;
 
        long long data_offset; 
        long long data_size; 
};
 
#define WAV_HDR_PARSE_OK           0
#define WAV_HDR_PARSE_READ_ERROR   1
#define WAV_HDR_PARSE_WRONG_FORMAT 2
#define WAV_HDR_PARSE_NOT_PCM      3
#define WAV_HDR_PARSE_INVALID_PARAM 4
 
#ifdef __cplusplus
extern "C" {
#endif
 
int read_wav_header(FILE *wav_file, struct wav_metadata *metadata);
 
size_t wav_read(void *buffer, size_t sample_count, FILE *wav_file, struct wav_metadata *metadata);
int wav_seek(FILE *wav_file, long offset, int whence, struct wav_metadata *metadata);
 
const char *get_wav_error(int errcode);
 
#ifdef __cplusplus
}
#endif