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#ifndef QUICKTIME_IMA4_H
#define QUICKTIME_IMA4_H
//#include "quicktime.h"
//#include "inttypes.h"
/* Known by divine revelation */
#define IMA4_BLOCK_SIZE 0x22
#define IMA4_SAMPLES_PER_BLOCK 0x40
// in: out buffer, in buffer (IMA4_BLOCK_SIZE bytes), outbuf max size
// return: number of samples decoded
int ima4_decode_block(unsigned short *output, unsigned char *input, int maxlen);
#if 0
typedef struct
{
/* During decoding the work_buffer contains the most recently read chunk. */
/* During encoding the work_buffer contains interlaced overflow samples */
/* from the last chunk written. */
int16_t *work_buffer;
unsigned char *read_buffer; /* Temporary buffer for drive reads. */
/* Starting information for all channels during encoding. */
int *last_samples, *last_indexes;
long chunk; /* Number of chunk in work buffer */
int buffer_channel; /* Channel of work buffer */
/* Number of samples in largest chunk read. */
/* Number of samples plus overflow in largest chunk write, interlaced. */
long work_size;
long work_overflow; /* Number of overflow samples from the last chunk written. */
long read_size; /* Size of read buffer. */
} quicktime_ima4_codec_t;
#endif
#endif
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