/**
 * Set decoder parameters for flac.
 *
 * \param	decoder Structure to store parameters.
 */
void setFlac(struct decoder_fn* decoder);

/**
 * Initialise Flac decoder.
 *
 * \param	file	Location of flac file to play.
 * \return			0 on success, else failure.
 */
int initFlac(const char* file);

/**
 * Get sampling rate of Flac file.
 *
 * \return	Sampling rate.
 */
uint32_t rateFlac(void);

/**
 * Get number of channels of Flac file.
 *
 * \return	Number of channels for opened file.
 */
uint8_t channelFlac(void);

/**
 * Decode part of open Flac file.
 *
 * \param buffer	Decoded output.
 * \return			Samples read for each channel.
 */
uint64_t decodeFlac(void* buffer);

/**
 * Free Flac decoder.
 */
void exitFlac(void);