/*
 * The code in this module generates 160 versions of linearized seqsyncu,
 * shifted by one sample each, intended for feeding to EFR and AMR encoders.
 *
 * Update: the new version generates a linear array of 480 16-bit PCM samples,
 * where the first 160 are 0x0008, followed by two copies of linearized
 * seqsyncu.
 */

#include <stdint.h>

extern const uint8_t seqsyncu_last_frame[160];
extern const uint16_t pcmu_decode_table[256];

uint16_t linear_input_array[480];

void
generate_linear_inputs(void)
{
	unsigned n;
	uint16_t lin;

	for (n = 0; n < 160; n++) {
		lin = pcmu_decode_table[seqsyncu_last_frame[n]];
		linear_input_array[n] = 0x0008;
		linear_input_array[160+n] = lin;
		linear_input_array[320+n] = lin;
	}
}