+
−/*
+
− * In this module we implement decoder input conversion from 3GPP
+
− * test sequence format to our internal struct amr_param_frame.
+
− */
+
−
+
−#include <stdint.h>
+
−#include <string.h>
+
−#include "tw_amr.h"
+
−#include "namespace.h"
+
−#include "typedef.h"
+
−#include "cnst.h"
+
−#include "bits2prm.h"
+
−
+
−int amr_frame_from_tseq(const uint16_t *cod, int use_rxtype,
+
−			struct amr_param_frame *frame)
+
−{
+
−	enum RXFrameType rx_type;
+
−	int rc;
+
−
+
−	if (use_rxtype) {
+
−		if (cod[0] >= RX_N_FRAMETYPES)
+
−			return -1;
+
−		rx_type = cod[0];
+
−	} else {
+
−		rc = amr_txtype_to_rxtype(cod[0], &rx_type);
+
−		if (rc < 0)
+
−			return -1;
+
−	}
+
−	frame->type = rx_type;
+
−	if (rx_type == RX_NO_DATA) {
+
−		frame->mode = 0xFF;
+
−		return 0;
+
−	}
+
−	if (cod[MAX_SERIAL_SIZE+1] > 7)
+
−		return -2;
+
−	frame->mode = cod[MAX_SERIAL_SIZE+1];
+
−	switch (rx_type) {
+
−	case RX_SPEECH_GOOD:
+
−	case RX_SPEECH_DEGRADED:
+
−	case RX_SPEECH_BAD:
+
−		Bits2prm(frame->mode, cod + 1, frame->param);
+
−		break;
+
−	case RX_SID_UPDATE:
+
−	case RX_SID_BAD:
+
−		Bits2prm(MRDTX, cod + 1, frame->param);
+
−		break;
+
−	}
+
−	return 0;
+
−}