1 files changed, 29 insertions, 0 deletions
diff --git a/inc/rcu/ima_adpcm_enc.h b/inc/rcu/ima_adpcm_enc.h
new file mode 100644
index 0000000..4c5f06e
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+++ b/inc/rcu/ima_adpcm_enc.h
@@ -0,0 +1,29 @@
+/**
+************************************************************************************************************
+*               Copyright(c) 2014-2015, Realtek Semiconductor Corporation. All rights reserved.
+************************************************************************************************************
+* @file     ima_adpcm_enc.h
+* @brief
+* @author   Chenjie Jin
+* @date     2018-05-14
+* @version  v0.2
+*************************************************************************************************************
+*/
+
+#ifndef __IMA_ADPCM_ENCODE_H__
+#define __IMA_ADPCM_ENCODE_H__
+
+#include "stdint.h"
+
+typedef struct
+{
+    short valprev;  /* Previous output value */
+    char index;  /* Index into stepsize table */
+    uint16_t seq_id;  /* sequence index */
+} T_IMA_ADPCM_STATE;
+
+int ima_adpcm_encode(short *indata, unsigned char *outdata, int len, T_IMA_ADPCM_STATE *state);
+
+extern T_IMA_ADPCM_STATE ima_adpcm_global_state;
+
+#endif /* __CVSD_ENCODE_H__ */