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spkmodem-decode: reset char if separator disappears

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improves reliability in the case when audio cuts out,
mic glitches, laptop audio power saving, etc.

Signed-off-by: Leah Rowe <leah@libreboot.org>
This commit is contained in:
Leah Rowe
2026-03-13 01:47:40 +00:00
parent fe6da7a238
commit 3245333c53
1 changed files with 2 additions and 1 deletions
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util/spkmodem_decode/spkmodem-decode.c
+2 -1
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@@ -333,7 +333,8 @@ handle_audio(struct decoder_state *st)
* If the modem signal disappears for several (read: 3) * If the modem signal disappears for several (read: 3)
* frames, discard the partially assembled character. * frames, discard the partially assembled character.
*/ */
if (st->sample_count >= (3 * SAMPLES_PER_FRAME)) if (st->sample_count >= (3 * SAMPLES_PER_FRAME) ||
st->freq_separator <= 0)
reset_char(st); reset_char(st);
st->sample_count = 0; st->sample_count = 0;