Fossil SCM

Add extra silence in between letters of the spoken captcha.

drh 2020-03-14 13:20 trunk
Commit 2e32552331937fbac1a982299fe72da88af590bebea046a6edae7666516a596c
1 file changed +6
--- src/captcha.c
+++ src/captcha.c
@@ -646,10 +646,16 @@
646646
int nData;
647647
const unsigned char *pData;
648648
char zSoundName[50];
649649
sqlite3_snprintf(sizeof(zSoundName),zSoundName,"sounds/%c.wav",
650650
"0123456789abcdef"[v]);
651
+ /* Extra silence in between letters */
652
+ if( i>0 ){
653
+ int nQuiet = 3000;
654
+ blob_resize(pOut, pOut->nUsed+nQuiet);
655
+ memset(pOut->aData+pOut->nUsed-nQuiet, 0x80, nQuiet);
656
+ }
651657
pData = builtin_file(zSoundName, &sz);
652658
nData = sz - szWavHdr;
653659
blob_resize(pOut, pOut->nUsed+nData);
654660
memcpy(pOut->aData+pOut->nUsed-nData, pData+szWavHdr, nData);
655661
if( zHex[i+1]==0 ){
656662
--- src/captcha.c
+++ src/captcha.c
@@ -646,10 +646,16 @@
646 int nData;
647 const unsigned char *pData;
648 char zSoundName[50];
649 sqlite3_snprintf(sizeof(zSoundName),zSoundName,"sounds/%c.wav",
650 "0123456789abcdef"[v]);
 
 
 
 
 
 
651 pData = builtin_file(zSoundName, &sz);
652 nData = sz - szWavHdr;
653 blob_resize(pOut, pOut->nUsed+nData);
654 memcpy(pOut->aData+pOut->nUsed-nData, pData+szWavHdr, nData);
655 if( zHex[i+1]==0 ){
656
--- src/captcha.c
+++ src/captcha.c
@@ -646,10 +646,16 @@
646 int nData;
647 const unsigned char *pData;
648 char zSoundName[50];
649 sqlite3_snprintf(sizeof(zSoundName),zSoundName,"sounds/%c.wav",
650 "0123456789abcdef"[v]);
651 /* Extra silence in between letters */
652 if( i>0 ){
653 int nQuiet = 3000;
654 blob_resize(pOut, pOut->nUsed+nQuiet);
655 memset(pOut->aData+pOut->nUsed-nQuiet, 0x80, nQuiet);
656 }
657 pData = builtin_file(zSoundName, &sz);
658 nData = sz - szWavHdr;
659 blob_resize(pOut, pOut->nUsed+nData);
660 memcpy(pOut->aData+pOut->nUsed-nData, pData+szWavHdr, nData);
661 if( zHex[i+1]==0 ){
662

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