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comparison libgsmfr2/pp_good.c @ 530:96c4ed5529bf

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libgsmfr2 preproc: implement support for DTXd
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 19 Sep 2024 20:15:54 +0000
parents 573afa985df6
children
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529:79cd992de3ad 530:96c4ed5529bf
17 /* now classify by SID */ 17 /* now classify by SID */
18 sid = gsmfr_preproc_sid_classify(frame); 18 sid = gsmfr_preproc_sid_classify(frame);
19 switch (sid) { 19 switch (sid) {
20 case 0: /* good speech frame */ 20 case 0: /* good speech frame */
21 st->rx_state = SPEECH; 21 st->rx_state = SPEECH;
22 st->dtxd_sid_flag = 0;
22 memcpy(&st->speech_frame, frame, GSMFR_RTP_FRAME_LEN); 23 memcpy(&st->speech_frame, frame, GSMFR_RTP_FRAME_LEN);
23 return; 24 return;
24 case 1: /* invalid SID frame */ 25 case 1: /* invalid SID frame */
25 /* state-dependent handling, similar to BFI */ 26 /* state-dependent handling, similar to BFI */
26 gsmfr_preproc_invalid_sid(st, frame); 27 gsmfr_preproc_invalid_sid(st, frame);
27 return; 28 return;
28 case 2: /* valid SID frame */ 29 case 2: /* valid SID frame */
29 st->rx_state = COMFORT_NOISE; 30 st->rx_state = COMFORT_NOISE;
31 st->dtxd_sid_flag = 1;
30 gsmfr_preproc_sid2cn(st, frame); 32 gsmfr_preproc_sid2cn(st, frame);
31 return; 33 return;
32 } 34 }
33 } 35 }