--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libtwamr/tseq_out.c	Tue May 07 05:07:41 2024 +0000
@@ -0,0 +1,39 @@
+/*
+ * In this module we implement encoder output conversion to 3GPP
+ * test sequence format.
+ */
+
+#include <stdint.h>
+#include <string.h>
+#include "tw_amr.h"
+#include "namespace.h"
+#include "typedef.h"
+#include "cnst.h"
+#include "prm2bits.h"
+
+void amr_frame_to_tseq(const struct amr_param_frame *frame, uint16_t *cod)
+{
+	enum Mode pack_mode;
+
+	cod[0] = frame->type;
+	memset(cod + 1, 0, (AMR_COD_WORDS-1) * sizeof(uint16_t));
+	switch (frame->type) {
+	case TX_SPEECH_GOOD:
+		pack_mode = frame->mode;
+		cod[MAX_SERIAL_SIZE+1] = frame->mode;
+		break;
+	case TX_SID_FIRST:
+	case TX_SID_UPDATE:
+		pack_mode = MRDTX;
+		cod[MAX_SERIAL_SIZE+1] = frame->mode;
+		break;
+	case TX_NO_DATA:
+		pack_mode = MRDTX;
+		cod[MAX_SERIAL_SIZE+1] = 0xFFFF;
+		break;
+	default:
+		/* invalid usage, not allowed! */
+		return;
+	}
+	Prm2bits(pack_mode, frame->param, (Word16 *)(cod + 1));
+}