annotate libgsmhr1/sid_reset.c @ 528:f681fb758041

libgsmfr2: add gsmfr_fulldec_rtp_in()
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 19 Sep 2024 07:52:17 +0000
parents aee13079db3c
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
495
aee13079db3c libgsmhr1: implement SID reset
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
aee13079db3c libgsmhr1: implement SID reset
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 * The function in this module implements reset of HRv1 SID codeword,
aee13079db3c libgsmhr1: implement SID reset
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 * for rejuvenating SID frames that may have been corrupted, but were still
aee13079db3c libgsmhr1: implement SID reset
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 * accepted as valid SID.
aee13079db3c libgsmhr1: implement SID reset
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 */
aee13079db3c libgsmhr1: implement SID reset
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6
aee13079db3c libgsmhr1: implement SID reset
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 #include <stdint.h>
aee13079db3c libgsmhr1: implement SID reset
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 #include <string.h>
aee13079db3c libgsmhr1: implement SID reset
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 #include "tw_gsmhr.h"
aee13079db3c libgsmhr1: implement SID reset
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10
aee13079db3c libgsmhr1: implement SID reset
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 void gsmhr_ts101318_set_sid_codeword(uint8_t *payload)
aee13079db3c libgsmhr1: implement SID reset
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 {
aee13079db3c libgsmhr1: implement SID reset
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 payload[4] |= 0x7F;
aee13079db3c libgsmhr1: implement SID reset
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 memset(payload + 5, 0xFF, 9);
aee13079db3c libgsmhr1: implement SID reset
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 }