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view src/ui/mfw/mfw_str.h @ 275:79cfefc1e2b4

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audio mode load: gracefully handle mode files of wrong AEC version Unfortunately our change of enabling L1_NEW_AEC (which is necessary in order to bring our Calypso ARM fw into match with the underlying DSP reality) brings along a change in the audio mode file binary format and file size - all those new tunable AEC parameters do need to be stored somewhere, after all. But we already have existing mode files in the old format, and setting AEC config to garbage when loading old audio modes (which is what would happen without the present change) is not an appealing proposition. The solution implemented in the present change is as follows: the audio mode loading code checks the file size, and if it differs from the active version of T_AUDIO_MODE, the T_AUDIO_AEC_CFG structure is cleared - set to the default (disabled AEC) for the compiled type of AEC. We got lucky in that this varying T_AUDIO_AEC_CFG structure sits at the end of T_AUDIO_MODE!
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 30 Jul 2021 02:55:48 +0000
parents 67bfe9f274f6
children
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/*
+--------------------------------------------------------------------+
| PROJECT: MMI-Framework (8417)         $Workfile:: mfw_str.h       $|
| $Author:: Es  $ CONDAT GmbH           $Revision:: 1               $|
| CREATED: 03.08.00                     $Modtime:: 03.08.00 18:23   $|
| STATE  : code                                                      |
+--------------------------------------------------------------------+

   MODULE  : MFW_STR

   PURPOSE : String types & constants

   EXPORT  :

   TO DO   :

   $History:: mfw_str.h                                             $
*/

#ifndef _DEF_MFW_STR_H_
#define _DEF_MFW_STR_H_


/* #define MFW_UNICODE_STRINGS   */       /* 16 bit character codes   */
/* #define MFW_COUNTED_STRINGS   */       /* strings with prefix len  */


#ifdef MFW_UNICODE_STRINGS
#define MfwChar short
#else
#define MfwChar char
#endif

#ifdef MFW_COUNTED_STRINGS
typedef struct
{
    short len;
    MfwChar s [];
} MfwStr;
#else
typedef MfwChar MfwStr;
#endif


                                        /* PROTOTYPES               */
MfwChar* mfwStrChr (MfwChar* p, int c);
int mfwStrLen (MfwChar *s);
int mfwStrSiz (MfwStr *s);
MfwChar* mfwStrAt (MfwStr *s, int off);
MfwChar* mfwStrCut (MfwStr* s, int n);
MfwChar* mfwStrMov (MfwStr* d, int o, MfwChar* s);
MfwChar* mfwStrIns (MfwStr* d, int o, MfwChar* s);
MfwChar* mfwStrApp (MfwStr* s, MfwChar* c);
MfwChar* mfwStrRChr (MfwChar* p, int c);

#endif