initial commit

third_party/amrdecoder/sp_dec.h

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+/*
+ * ===================================================================
+ *  TS 26.104
+ *  REL-5 V5.4.0 2004-03
+ *  REL-6 V6.1.0 2004-03
+ *  3GPP AMR Floating-point Speech Codec
+ * ===================================================================
+ *
+ */
+
+/*
+ * sp_enc.h
+ *
+ *
+ * Project:
+ *    AMR Floating-Point Codec
+ *
+ * Contains:
+ *    Defines interface to AMR encoder
+ *
+ */
+#ifndef _SP_DEC_H_
+#define _SP_DEC_H_
+/*
+ * definition of enumerated types
+ */
+
+/*
+ * definition of modes for decoder
+ */
+enum Mode { MR475 = 0,
+            MR515,
+            MR59,
+            MR67,
+            MR74,
+            MR795,
+            MR102,
+            MR122,
+            MRDTX,
+            N_MODES     /* number of (SPC) modes */
+};
+
+/* Declaration recieved frame types */
+enum RXFrameType { RX_SPEECH_GOOD = 0,
+                   RX_SPEECH_DEGRADED,
+                   RX_ONSET,
+                   RX_SPEECH_BAD,
+                   RX_SID_FIRST,
+                   RX_SID_UPDATE,
+                   RX_SID_BAD,
+                   RX_NO_DATA,
+                   RX_N_FRAMETYPES     /* number of frame types */
+};
+
+/*
+ * Function prototypes
+ */
+
+/*
+ * initialize one instance of the speech decoder
+ */
+void* Speech_Decode_Frame_init ();
+
+/*
+ * free status struct
+ */
+void Speech_Decode_Frame_exit (void **st);
+
+/*
+ * Decodes one frame from encoded parameters
+ */
+void Speech_Decode_Frame (void *st, enum Mode mode, short *serial,
+                   enum RXFrameType frame_type, short *synth);
+
+/*
+ * reset speech decoder
+ */
+int Speech_Decode_Frame_reset (void **st);
+
+#endif
+