/* * =================================================================== * 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