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minimodem catch-up shift just 1 frame

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This commit is contained in:
Kamal Mostafa 2011-05-29 12:52:23 -07:00
parent d1ce25db02
commit 1ba9f7aa6f
1 changed files with 7 additions and 5 deletions
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12
src/minimodem.c
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@ -284,8 +284,10 @@ reprocess_audio:
int carrier_detect /*boolean*/ = int carrier_detect /*boolean*/ =
mag_mark + mag_space > CD_MIN_TONEMAG mag_mark + mag_space > CD_MIN_TONEMAG
&& &&
fabs(msdelta) > CD_MIN_MSDELTA_RATIO * MAX(mag_mark, mag_space); fabs(msdelta) > CD_MIN_MSDELTA_RATIO * MAX(mag_mark, mag_space)
// MIN(mag_mark, mag_space) < 0.1; // fabs(msdelta) > 0.4 * (mag_mark+mag_space)
// fabs(msdelta) > 0.1
;
#ifdef TRICK #ifdef TRICK
@ -298,12 +300,12 @@ reprocess_audio:
if ( nframes == nsamples ) { if ( nframes == nsamples ) {
#if 1 #if 1
/* shift by 1/2 the width of one data bit */ /* shift by 1/2 the width of one data bit */
// any of these work ... // any of these could work ...
// nframes = nsamples / 2; // nframes = nsamples / 2;
nframes = nsamples / 4; // nframes = nsamples / 4;
// nframes = nsamples / 8; // nframes = nsamples / 8;
// nframes = nsamples / 16; // nframes = nsamples / 16;
// nframes = 1; nframes = 1;
nframes = nframes ? nframes : 1; nframes = nframes ? nframes : 1;
#endif #endif
} }