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diff --git a/audio_codec/libamr/sp_dec.h b/audio_codec/libamr/sp_dec.h new file mode 100644 index 0000000..3739018 --- a/dev/null +++ b/audio_codec/libamr/sp_dec.h @@ -0,0 +1,83 @@ +/* + * =================================================================== + * TS 26.104 + * R99 V3.5.0 2003-03 + * REL-4 V4.4.0 2003-03 + * REL-5 V5.1.0 2003-03 + * 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 + |