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comparison mgw/pstn2gsm.c @ 96:f24bbfd23c9d

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mgw p2g: outgoing seq numbers, forwarding control
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 25 Sep 2022 19:32:27 -0800
parents f280328e7e2e
children 9aed16c30622
comparison
equal deleted inserted replaced
95:f280328e7e2e 96:f24bbfd23c9d
104 m_out = 0; 104 m_out = 0;
105 } else 105 } else
106 m_out = 1; 106 m_out = 1;
107 ep->p2g_state = 1; 107 ep->p2g_state = 1;
108 ep->p2g_ssrc = pkt.ssrc; 108 ep->p2g_ssrc = pkt.ssrc;
109 ep->p2g_last_ts = htonl(pkt.tstamp); 109 ep->p2g_last_ts = ntohl(pkt.tstamp);
110 ep->p2g_last_seq = htons(pkt.seq); 110 ep->p2g_last_seq = ntohs(pkt.seq);
111 /* actual transcoding and forwarding */ 111 /* actual transcoding and forwarding */
112 if (!(ep->fwd_mode & TMGW_FWD_ENABLE_PSTN2GSM))
113 return;
112 for (n = 0; n < SAMPLES_PER_FRAME; n++) 114 for (n = 0; n < SAMPLES_PER_FRAME; n++)
113 pcm_samples[n] = pcm_dec_table[pkt.payload[n]]; 115 pcm_samples[n] = pcm_dec_table[pkt.payload[n]];
114 pkt.m_pt = ep->gsm_payload_type; 116 pkt.m_pt = ep->gsm_payload_type;
115 if (m_out) 117 if (m_out)
116 pkt.m_pt |= 0x80; 118 pkt.m_pt |= 0x80;
119 pkt.seq = htons(++ep->p2g_out_seq);
117 switch (ep->gsm_payload_msg_type) { 120 switch (ep->gsm_payload_msg_type) {
118 case GSM_TCHF_FRAME: 121 case GSM_TCHF_FRAME:
119 gsm_encode(ep->gsm_encoder_state, pcm_samples, pkt.payload); 122 gsm_encode(ep->gsm_encoder_state, pcm_samples, pkt.payload);
120 n = RTP_PACKET_SIZE_GSM_FR; 123 n = RTP_PACKET_SIZE_GSM_FR;
121 break; 124 break;