44 lines
1.4 KiB
C
44 lines
1.4 KiB
C
#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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/** @brief Struct to contain chunk header information
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*/
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typedef struct {
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char ckID[4]; //! Chunk type
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uint32_t cksize; //! Size of chunk in bytes
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} ck_hdr_t;
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/** @brief Struct to contain master WAV chunk info
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*/
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struct {
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char WAVEID[4]; //! WAVE ID
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} ck_master_t;
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/** @brief Types of extension that a fmt type chunk can have
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*/
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typedef enum {
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CK_FMT_STD = 0U,
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CK_FMT_NOEXT,
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CK_FMT_EXT,
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} ck_fmt_ext_t;
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/** @brief Struct to hold fmt chunk data
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*/
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struct {
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struct {
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uint16_t wFormatTag; //! Type of data format.
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uint16_t nChannels; //! Number of channels
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uint32_t nSamplesPerSec; //! Sample rate
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uint32_t nAvgBytesPerSec; //! Data rate
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uint16_t nBlockAlign; //! Block size in bytes for data
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uint16_t wBitsPerSample; //! Bits per sample
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uint16_t cbSize; //! Size of fmt type extension. Only valid if chunk size is 18 or 40.
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uint16_t wValidBitsPerSample; //! Number of valid bits per sample. Only valid if chunk size is 40
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uint32_t dwChannelMask; //! Speaker position mask. Only valid if chunk size is 40
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uint8_t SubFormat[16]; //! GUID for data format. Only vaid if chunk size is 40
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} data;
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ck_fmt_ext_t type;
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} ck_fmt_t;
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