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/********************************************************************** MPEG-4 Audio VM Decoder core (G723-based) This software module was originally developed by Sebastien Etienne (CCETT) and edited by in the course of development of the MPEG-2 NBC/MPEG-4 Audio standard ISO/IEC 13818-7, 14496-1,2 and 3. This software module is an implementation of a part of one or more MPEG-2 NBC/MPEG-4 Audio tools as specified by the MPEG-2 NBC/MPEG-4 Audio standard. ISO/IEC gives users of the MPEG-2 NBC/MPEG-4 Audio standards free license to this software module or modifications thereof for use in hardware or software products claiming conformance to the MPEG-2 NBC/ MPEG-4 Audio standards. Those intending to use this software module in hardware or software products are advised that this use may infringe existing patents. The original developer of this software module and his/her company, the subsequent editors and their companies, and ISO/IEC have no liability for use of this software module or modifications thereof in an implementation. Copyright is not released for non MPEG-2 NBC/MPEG-4 Audio conforming products. The original developer retains full right to use the code for his/her own purpose, assign or donate the code to a third party and to inhibit third party from using the code for non MPEG-2 NBC/MPEG-4 Audio conforming products. This copyright notice must be included in all copies or derivative works. Copyright (c) 1997. Source file: dec_g723_dmy.c $Id: dec_g723_dmy.c,v 1.6 1999/05/20 10:23:32 purnhage Exp $ Required modules: common.o common module bitstream.o bits stream module Authors: SE Sebastien Etienne, Jean Bernard Rault, CCETTChanges: 02-avr-97 SE g723 core 13-may-97 SE integration in the VM. **********************************************************************/ #include #include #include #include "block.h" /* handler, defines, enums */ #include "buffersHandle.h" /* handler, defines, enums */ #include "concealmentHandle.h" /* handler, defines, enums */ #include "interface.h" /* handler, defines, enums */ #include "mod_bufHandle.h" /* handler, defines, enums */ #include "reorderspecHandle.h" /* handler, defines, enums */ #include "resilienceHandle.h" /* handler, defines, enums */ #include "tf_mainHandle.h" /* handler, defines, enums */ #include "nok_ltp_common.h" /* structs */ #include "obj_descr.h" /* structs */ #include "tf_mainStruct.h" /* structs */ #include "common_m4a.h" /* common module */ #include "bitstream.h" /* bit stream module */ #include "flex_mux.h" #include "lpc_common.h" #include "dec_g723.h" /* decoder cores */ /* ---------- declarations ---------- */ /* ---------- functions ---------- */ /* DecG723Info() */ /* Get info about G723 decoder core. */ char *DecG723Info ( FILE *helpStream) /* in: print decPara help text to helpStream */ /* if helpStream not NULL */ /* returns: core version string */ { if (helpStream != NULL) { fprintf(helpStream, "g723 decoder dummy module , g723 decoder not compiled in\n"); } return "g723 decoder dummy module"; } /* DecG723Init() */ /* Init G723-based decoder core. */ void DecG723Init ( int numChannel, /* in: num audio channels */ float fSample, /* in: sampling frequency [Hz] */ float bitRate, /* in: total bit rate [bit/sec] */ char *decPara, /* in: decoder parameter string */ int *frameNumSample, /* out: num samples per frame */ int *delayNumSample) /* out: decoder delay (num samples) */ { CommonExit(1,"DecG723Init: dummy"); } /* DecG723Frame() */ /* Decode one bit stream frame into one audio frame with */ /* G723-based decoder core. */ void DecG723Frame ( BsBitBuffer *bitBuf, /* in: bit stream frame */ float **sampleBuf, /* out: audio frame samples */ /* sampleBuf[numChannel][frameNumSample] */ int *usedNumBit) /* out: num bits used for this frame */ { CommonExit(1,"DecG723Frame: dummy"); } /* end of dec_g723_dmy.c */