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提交 7f85faf2 authored 作者: Anthony Minessale's avatar Anthony Minessale
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FS-8130 FS-8305 refactor of last patch plus suppression of scary harmless message about opus fec

上级 132564f0
隐藏空白字符变更
内嵌 并排
正在显示 包含 101 行增加 和 77 行删除
src/mod/codecs/mod_opus/mod_opus.c
浏览文件 @ 7f85faf2
......@@ -338,7 +338,8 @@ static switch_bool_t switch_opus_has_fec(const uint8_t* payload,int payload_leng
return SWITCH_FALSE;
}
if (payload[0] & 0x80) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "FEC in CELT_ONLY mode ?!\n");
/* this scares users and its harmless so commenting it */
//switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "FEC in CELT_ONLY mode ?!\n");
return SWITCH_FALSE;
}
......
src/switch_rtp.c
浏览文件 @ 7f85faf2
......@@ -556,7 +556,7 @@ static handle_rfc2833_result_t handle_rfc2833(switch_rtp_t *rtp_session, switch_
*/
if (bytes > rtp_header_len && !rtp_session->flags[SWITCH_RTP_FLAG_PROXY_MEDIA] &&
rtp_session->recv_msg.header.pt == rtp_session->recv_te) {
rtp_session->last_rtp_hdr.pt == rtp_session->recv_te) {
switch_size_t len = bytes - rtp_header_len;
unsigned char *packet = (unsigned char *) RTP_BODY(rtp_session);
int end;
......@@ -584,8 +584,8 @@ static handle_rfc2833_result_t handle_rfc2833(switch_rtp_t *rtp_session, switch_
end = packet[1] & 0x80 ? 1 : 0;
duration = (packet[2] << 8) + packet[3];
key = switch_rfc2833_to_char(packet[0]);
in_digit_seq = ntohs((uint16_t) rtp_session->recv_msg.header.seq);
ts = htonl(rtp_session->recv_msg.header.ts);
in_digit_seq = ntohs((uint16_t) rtp_session->last_rtp_hdr.seq);
ts = htonl(rtp_session->last_rtp_hdr.ts);
if (rtp_session->flags[SWITCH_RTP_FLAG_PASS_RFC2833]) {
......@@ -614,7 +614,7 @@ static handle_rfc2833_result_t handle_rfc2833(switch_rtp_t *rtp_session, switch_
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "read: %c %u %u %u %u %d %d %s\n",
key, in_digit_seq, rtp_session->dtmf_data.in_digit_seq,
ts, duration, rtp_session->recv_msg.header.m, end, end && !rtp_session->dtmf_data.in_digit_ts ? "ignored" : "");
ts, duration, rtp_session->last_rtp_hdr.m, end, end && !rtp_session->dtmf_data.in_digit_ts ? "ignored" : "");
#endif
if (!rtp_session->dtmf_data.in_digit_queued && rtp_session->dtmf_data.in_digit_ts) {
......@@ -706,7 +706,7 @@ static handle_rfc2833_result_t handle_rfc2833(switch_rtp_t *rtp_session, switch_
} else {
#ifdef DEBUG_2833
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "drop: %c %u %u %u %u %d %d\n",
key, in_digit_seq, rtp_session->dtmf_data.in_digit_seq, ts, duration, rtp_session->recv_msg.header.m, end);
key, in_digit_seq, rtp_session->dtmf_data.in_digit_seq, ts, duration, rtp_session->last_rtp_hdr.m, end);
#endif
switch_cond_next();
return RESULT_GOTO_RECVFROM;
......@@ -718,13 +718,13 @@ static handle_rfc2833_result_t handle_rfc2833(switch_rtp_t *rtp_session, switch_
return RESULT_GOTO_END;
}
if (!rtp_session->dtmf_data.in_interleaved && rtp_session->recv_msg.header.pt != rtp_session->recv_te) {
if (!rtp_session->dtmf_data.in_interleaved && rtp_session->last_rtp_hdr.pt != rtp_session->recv_te) {
/* Drat, they are sending audio still as well as DTMF ok fine..... *sigh* */
rtp_session->dtmf_data.in_interleaved = 1;
}
if (rtp_session->dtmf_data.in_interleaved || (rtp_session->rtp_bugs & RTP_BUG_IGNORE_DTMF_DURATION)) {
if (rtp_session->recv_msg.header.pt == rtp_session->recv_te) {
if (rtp_session->last_rtp_hdr.pt == rtp_session->recv_te) {
return RESULT_GOTO_RECVFROM;
}
} else {
......@@ -4918,7 +4918,7 @@ static switch_size_t do_flush(switch_rtp_t *rtp_session, int force, switch_size_
int do_cng = 0;
/* Make sure to handle RFC2833 packets, even if we're flushing the packets */
if (bytes > rtp_header_len && rtp_session->recv_msg.header.pt == rtp_session->recv_te) {
if (bytes > rtp_header_len && rtp_session->last_rtp_hdr.pt == rtp_session->recv_te) {
handle_rfc2833(rtp_session, bytes, &do_cng);
#ifdef DEBUG_2833
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "*** RTP packet handled in flush loop %d ***\n", do_cng);
......@@ -4971,7 +4971,7 @@ static int check_recv_payload(switch_rtp_t *rtp_session)
continue;
}
if (rtp_session->recv_msg.header.pt == pmap->pt) {
if (rtp_session->last_rtp_hdr.pt == pmap->pt) {
ok = 1;
}
}
......@@ -4981,6 +4981,27 @@ static int check_recv_payload(switch_rtp_t *rtp_session)
return ok;
}
static int get_recv_payload(switch_rtp_t *rtp_session)
{
int r = -1;
if (rtp_session->pmaps && *rtp_session->pmaps) {
payload_map_t *pmap;
switch_mutex_lock(rtp_session->flag_mutex);
for (pmap = *rtp_session->pmaps; pmap && pmap->allocated; pmap = pmap->next) {
if (pmap->negotiated) {
r = pmap->pt;
break;
}
}
switch_mutex_unlock(rtp_session->flag_mutex);
}
return r;
}
#define return_cng_frame() do_cng = 1; goto timer_check
static switch_status_t read_rtp_packet(switch_rtp_t *rtp_session, switch_size_t *bytes, switch_frame_flag_t *flags,
......@@ -5048,46 +5069,44 @@ static switch_status_t read_rtp_packet(switch_rtp_t *rtp_session, switch_size_t
rtp_session->has_rtp = (rtp_session->recv_msg.header.version == 2);
if (rtp_session->flags[SWITCH_RTP_FLAG_RTCP_MUX]) {
switch(rtp_session->recv_msg.header.pt) {
case 64: // 192 Full INTRA-frame request.
case 72: // 200 Sender report.
case 73: // 201 Receiver report.
case 74: // 202 Source description.
case 75: // 203 Goodbye.
case 76: // 204 Application-defined.
case 77: // 205 Transport layer FB message.
case 78: // 206 Payload-specific FB message.
case 79: // 207 Extended report.
rtp_session->has_rtcp = 1;
rtp_session->has_rtp = 0;
break;
default:
if (!check_recv_payload(rtp_session) && rtp_session->recv_msg.header.pt != rtp_session->recv_te &&
rtp_session->recv_msg.header.pt != rtp_session->cng_pt &&
rtp_session->rtcp_recv_msg_p->header.version == 2 &&
rtp_session->rtcp_recv_msg_p->header.type > 199 && rtp_session->rtcp_recv_msg_p->header.type < 208) {
rtp_session->has_rtcp = 1;
rtp_session->has_rtp = 0;
}
break;
}
}
if ((*b >= 20) && (*b <= 64)) {
rtp_session->dtls->bytes = *bytes;
rtp_session->dtls->data = (void *) &rtp_session->recv_msg;
rtp_session->has_ice = 0;
rtp_session->has_rtp = 0;
rtp_session->has_rtcp = 0;
} else if (!rtp_session->has_rtp && !rtp_session->has_rtcp && rtp_session->ice.ice_user) {
if (*b == 0 || *b == 1) {
rtp_session->has_ice = 1;
rtp_session->has_rtp = 0;
rtp_session->has_rtcp = 0;
} else if (*b == 0 || *b == 1) {
rtp_session->has_ice = 1;
rtp_session->has_rtp = 0;
rtp_session->has_rtcp = 0;
} else {
if (rtp_session->flags[SWITCH_RTP_FLAG_RTCP_MUX]) {
switch(rtp_session->recv_msg.header.pt) {
case 64: // 192 Full INTRA-frame request.
case 72: // 200 Sender report.
case 73: // 201 Receiver report.
case 74: // 202 Source description.
case 75: // 203 Goodbye.
case 76: // 204 Application-defined.
case 77: // 205 Transport layer FB message.
case 78: // 206 Payload-specific FB message.
case 79: // 207 Extended report.
rtp_session->has_rtcp = 1;
rtp_session->has_rtp = 0;
rtp_session->has_ice = 0;
break;
default:
if (rtp_session->rtcp_recv_msg_p->header.version == 2 &&
rtp_session->rtcp_recv_msg_p->header.type > 199 && rtp_session->rtcp_recv_msg_p->header.type < 208) {
rtp_session->has_rtcp = 1;
rtp_session->has_rtp = 0;
rtp_session->has_ice = 0;
}
break;
}
}
}
rtp_session->missed_count = 0;
if (rtp_session->has_rtp) {
......@@ -5227,8 +5246,8 @@ static switch_status_t read_rtp_packet(switch_rtp_t *rtp_session, switch_size_t
now = switch_micro_time_now();
if (*bytes) {
uint16_t seq = ntohs((uint16_t) rtp_session->recv_msg.header.seq);
ts = ntohl(rtp_session->recv_msg.header.ts);
uint16_t seq = ntohs((uint16_t) rtp_session->last_rtp_hdr.seq);
ts = ntohl(rtp_session->last_rtp_hdr.ts);
#ifdef DEBUG_MISSED_SEQ
if (rtp_session->last_seq && rtp_session->last_seq+1 != seq) {
......@@ -5282,7 +5301,7 @@ static switch_status_t read_rtp_packet(switch_rtp_t *rtp_session, switch_size_t
}
if (!rtp_session->flags[SWITCH_RTP_FLAG_PROXY_MEDIA] && !rtp_session->flags[SWITCH_RTP_FLAG_UDPTL] && !rtp_session->flags[SWITCH_RTP_FLAG_VIDEO] &&
*bytes && rtp_session->recv_msg.header.pt != rtp_session->recv_te &&
*bytes && rtp_session->last_rtp_hdr.pt != rtp_session->recv_te &&
ts && !rtp_session->jb && !rtp_session->pause_jb && jb_valid(rtp_session) && ts == rtp_session->last_cng_ts) {
/* we already sent this frame..... */
*bytes = 0;
......@@ -5320,8 +5339,8 @@ static switch_status_t read_rtp_packet(switch_rtp_t *rtp_session, switch_size_t
#ifdef ENABLE_SRTP
if (rtp_session->flags[SWITCH_RTP_FLAG_SECURE_RECV] && rtp_session->has_rtp &&
(check_recv_payload(rtp_session) ||
rtp_session->recv_msg.header.pt == rtp_session->recv_te ||
rtp_session->recv_msg.header.pt == rtp_session->cng_pt)) {
rtp_session->last_rtp_hdr.pt == rtp_session->recv_te ||
rtp_session->last_rtp_hdr.pt == rtp_session->cng_pt)) {
//if (rtp_session->flags[SWITCH_RTP_FLAG_SECURE_RECV] && (!rtp_session->ice.ice_user || rtp_session->has_rtp)) {
int sbytes = (int) *bytes;
err_status_t stat = 0;
......@@ -5418,13 +5437,13 @@ static switch_status_t read_rtp_packet(switch_rtp_t *rtp_session, switch_size_t
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO,
"VIDEO: seq: %d ts: %u len: %ld %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x mark: %d\n",
ntohs(rtp_session->recv_msg.header.seq), ntohl(rtp_session->recv_msg.header.ts), *bytes,
ntohs(rtp_session->last_rtp_hdr.seq), ntohl(rtp_session->last_rtp_hdr.ts), *bytes,
*((uint8_t *)RTP_BODY(rtp_session)), *((uint8_t *)RTP_BODY(rtp_session) + 1),
*((uint8_t *)RTP_BODY(rtp_session) + 2), *((uint8_t *)RTP_BODY(rtp_session) + 3),
*((uint8_t *)RTP_BODY(rtp_session) + 4), *((uint8_t *)RTP_BODY(rtp_session) + 5),
*((uint8_t *)RTP_BODY(rtp_session) + 6), *((uint8_t *)RTP_BODY(rtp_session) + 7),
*((uint8_t *)RTP_BODY(rtp_session) + 8), *((uint8_t *)RTP_BODY(rtp_session) + 9),
*((uint8_t *)RTP_BODY(rtp_session) + 10), rtp_session->recv_msg.header.m);
*((uint8_t *)RTP_BODY(rtp_session) + 10), rtp_session->last_rtp_hdr.m);
}
#endif
......@@ -5439,9 +5458,9 @@ static switch_status_t read_rtp_packet(switch_rtp_t *rtp_session, switch_size_t
rtp_session->stats.inbound.raw_bytes += *bytes;
if (rtp_session->recv_msg.header.pt == rtp_session->recv_te) {
if (rtp_session->last_rtp_hdr.pt == rtp_session->recv_te) {
rtp_session->stats.inbound.dtmf_packet_count++;
} else if (rtp_session->recv_msg.header.pt == rtp_session->cng_pt || rtp_session->recv_msg.header.pt == 13) {
} else if (rtp_session->last_rtp_hdr.pt == rtp_session->cng_pt || rtp_session->last_rtp_hdr.pt == 13) {
rtp_session->stats.inbound.cng_packet_count++;
} else {
rtp_session->stats.inbound.media_packet_count++;
......@@ -5451,7 +5470,7 @@ static switch_status_t read_rtp_packet(switch_rtp_t *rtp_session, switch_size_t
rtp_session->stats.inbound.packet_count++;
}
if (rtp_session->recv_msg.header.pt == rtp_session->recv_te ||
if (rtp_session->last_rtp_hdr.pt == rtp_session->recv_te ||
(*bytes < rtp_header_len && *bytes > 0) ||
rtp_session->flags[SWITCH_RTP_FLAG_PROXY_MEDIA] || rtp_session->flags[SWITCH_RTP_FLAG_UDPTL]) {
return SWITCH_STATUS_SUCCESS;
......@@ -5497,7 +5516,7 @@ static switch_status_t read_rtp_packet(switch_rtp_t *rtp_session, switch_size_t
if (rtp_session->jb && !rtp_session->pause_jb && jb_valid(rtp_session)) {
uint32_t read_ssrc = ntohl(rtp_session->last_rtp_hdr.ssrc);
if (rtp_session->recv_msg.header.m && rtp_session->recv_msg.header.pt != rtp_session->recv_te &&
if (rtp_session->last_rtp_hdr.m && rtp_session->last_rtp_hdr.pt != rtp_session->recv_te &&
!rtp_session->flags[SWITCH_RTP_FLAG_VIDEO] && !(rtp_session->rtp_bugs & RTP_BUG_IGNORE_MARK_BIT)) {
switch_jb_reset(rtp_session->jb);
} else if (rtp_session->last_jb_read_ssrc && rtp_session->last_jb_read_ssrc != read_ssrc) {
......@@ -5539,10 +5558,14 @@ static switch_status_t read_rtp_packet(switch_rtp_t *rtp_session, switch_size_t
goto more;
case SWITCH_STATUS_NOTFOUND:
{
int pt = get_recv_payload(rtp_session);
(*flags) |= SFF_PLC;
status = SWITCH_STATUS_SUCCESS;
*bytes = switch_jb_get_last_read_len(rtp_session->jb);
rtp_session->last_rtp_hdr = rtp_session->recv_msg.header;
if (pt > -1) {
rtp_session->last_rtp_hdr.pt = pt;
}
}
break;
case SWITCH_STATUS_SUCCESS:
......@@ -5551,7 +5574,7 @@ static switch_status_t read_rtp_packet(switch_rtp_t *rtp_session, switch_size_t
rtp_session->stats.inbound.jb_packet_count++;
status = SWITCH_STATUS_SUCCESS;
rtp_session->last_rtp_hdr = rtp_session->recv_msg.header;
if (!xcheck_jitter) {
check_jitter(rtp_session);
xcheck_jitter = *bytes;
......@@ -6382,9 +6405,9 @@ static int rtp_common_read(switch_rtp_t *rtp_session, switch_payload_t *payload_
if (bytes && rtp_session->has_rtp &&
!rtp_session->flags[SWITCH_RTP_FLAG_PROXY_MEDIA] && !rtp_session->flags[SWITCH_RTP_FLAG_UDPTL] &&
rtp_session->recv_msg.header.pt != 13 &&
rtp_session->recv_msg.header.pt != rtp_session->recv_te &&
rtp_session->recv_msg.header.pt != rtp_session->cng_pt) {
rtp_session->last_rtp_hdr.pt != 13 &&
rtp_session->last_rtp_hdr.pt != rtp_session->recv_te &&
rtp_session->last_rtp_hdr.pt != rtp_session->cng_pt) {
int accept_packet = 1;
......@@ -6399,7 +6422,7 @@ static int rtp_common_read(switch_rtp_t *rtp_session, switch_payload_t *payload_
continue;
}
if (rtp_session->recv_msg.header.pt == pmap->pt) {
if (rtp_session->last_rtp_hdr.pt == pmap->pt) {
accept_packet = 1;
if (pmapP) {
*pmapP = pmap;
......@@ -6451,14 +6474,14 @@ static int rtp_common_read(switch_rtp_t *rtp_session, switch_payload_t *payload_
goto recvfrom;
}
if (bytes && rtp_session->recv_msg.header.m && rtp_session->recv_msg.header.pt != rtp_session->recv_te &&
if (bytes && rtp_session->last_rtp_hdr.m && rtp_session->last_rtp_hdr.pt != rtp_session->recv_te &&
!rtp_session->flags[SWITCH_RTP_FLAG_VIDEO] &&
!(rtp_session->rtp_bugs & RTP_BUG_IGNORE_MARK_BIT)) {
rtp_flush_read_buffer(rtp_session, SWITCH_RTP_FLUSH_ONCE);
}
if (rtp_session->recv_msg.header.pt == rtp_session->cng_pt || rtp_session->recv_msg.header.pt == 13) {
if (rtp_session->last_rtp_hdr.pt == rtp_session->cng_pt || rtp_session->last_rtp_hdr.pt == 13) {
*flags |= SFF_NOT_AUDIO;
} else {
*flags &= ~SFF_NOT_AUDIO; /* If this flag was already set, make sure to remove it when we get real audio */
......@@ -6467,7 +6490,7 @@ static int rtp_common_read(switch_rtp_t *rtp_session, switch_payload_t *payload_
/* ignore packets not meant for us unless the auto-adjust window is open (ice mode has its own alternatives to this) */
if (!using_ice(rtp_session) && bytes) {
if (rtp_session->flags[SWITCH_RTP_FLAG_AUTOADJ]) {
if (rtp_session->recv_msg.header.pt == rtp_session->cng_pt || rtp_session->recv_msg.header.pt == 13) {
if (rtp_session->last_rtp_hdr.pt == rtp_session->cng_pt || rtp_session->last_rtp_hdr.pt == 13) {
goto recvfrom;
}
......@@ -6569,7 +6592,7 @@ static int rtp_common_read(switch_rtp_t *rtp_session, switch_payload_t *payload_
goto do_continue;
}
if (rtp_session->recv_msg.header.pt && (rtp_session->recv_msg.header.pt == rtp_session->cng_pt || rtp_session->recv_msg.header.pt == 13)) {
if (rtp_session->last_rtp_hdr.pt && (rtp_session->last_rtp_hdr.pt == rtp_session->cng_pt || rtp_session->last_rtp_hdr.pt == 13)) {
return_cng_frame();
}
}
......@@ -6581,12 +6604,12 @@ static int rtp_common_read(switch_rtp_t *rtp_session, switch_payload_t *payload_
if (bytes && rtp_session->recv_msg.header.version != 2) {
uint8_t *data = (uint8_t *) RTP_BODY(rtp_session);
if (rtp_session->recv_msg.header.version == 0) {
if (rtp_session->ice.ice_user) {
handle_ice(rtp_session, &rtp_session->ice, (void *) &rtp_session->recv_msg, bytes);
goto recvfrom;
}
}
//if (rtp_session->recv_msg.header.version == 0) {
// if (rtp_session->ice.ice_user) {
// handle_ice(rtp_session, &rtp_session->ice, (void *) &rtp_session->recv_msg, bytes);
// goto recvfrom;
// }
//}
if (rtp_session->invalid_handler) {
rtp_session->invalid_handler(rtp_session, rtp_session->sock_input, (void *) &rtp_session->recv_msg, bytes, rtp_session->rtp_from_addr);
......@@ -6595,9 +6618,9 @@ static int rtp_common_read(switch_rtp_t *rtp_session, switch_payload_t *payload_
memset(data, 0, 2);
data[0] = 65;
rtp_session->recv_msg.header.pt = rtp_session->cng_pt != INVALID_PT ? rtp_session->cng_pt : SWITCH_RTP_CNG_PAYLOAD;
rtp_session->last_rtp_hdr.pt = rtp_session->cng_pt != INVALID_PT ? rtp_session->cng_pt : SWITCH_RTP_CNG_PAYLOAD;
*flags |= SFF_CNG;
*payload_type = (switch_payload_t) rtp_session->recv_msg.header.pt;
*payload_type = (switch_payload_t) rtp_session->last_rtp_hdr.pt;
ret = 2 + rtp_header_len;
goto end;
} else if (bytes) {
......@@ -6637,9 +6660,9 @@ static int rtp_common_read(switch_rtp_t *rtp_session, switch_payload_t *payload_
memset(data, 0, 2);
data[0] = 65;
rtp_session->recv_msg.header.pt = rtp_session->cng_pt != INVALID_PT ? rtp_session->cng_pt : SWITCH_RTP_CNG_PAYLOAD;
rtp_session->last_rtp_hdr.pt = rtp_session->cng_pt != INVALID_PT ? rtp_session->cng_pt : SWITCH_RTP_CNG_PAYLOAD;
*flags |= SFF_CNG;
*payload_type = (switch_payload_t) rtp_session->recv_msg.header.pt;
*payload_type = (switch_payload_t) rtp_session->last_rtp_hdr.pt;
ret = 2 + rtp_header_len;
rtp_session->stats.inbound.skip_packet_count++;
goto end;
......@@ -6679,8 +6702,8 @@ static int rtp_common_read(switch_rtp_t *rtp_session, switch_payload_t *payload_
return_cng_frame();
}
if (rtp_session->flags[SWITCH_RTP_FLAG_GOOGLEHACK] && rtp_session->recv_msg.header.pt == 102) {
rtp_session->recv_msg.header.pt = 97;
if (rtp_session->flags[SWITCH_RTP_FLAG_GOOGLEHACK] && rtp_session->last_rtp_hdr.pt == 102) {
rtp_session->last_rtp_hdr.pt = 97;
}
break;
......@@ -6694,7 +6717,7 @@ static int rtp_common_read(switch_rtp_t *rtp_session, switch_payload_t *payload_
}
if (switch_rtp_ready(rtp_session)) {
*payload_type = (switch_payload_t) rtp_session->recv_msg.header.pt;
*payload_type = (switch_payload_t) rtp_session->last_rtp_hdr.pt;
if (*payload_type == SWITCH_RTP_CNG_PAYLOAD) {
*flags |= SFF_CNG;
......@@ -7154,11 +7177,11 @@ static int rtp_common_write(switch_rtp_t *rtp_session,
send_msg->header.ssrc = htonl(rtp_session->ssrc);
if (rtp_session->flags[SWITCH_RTP_FLAG_GOOGLEHACK] && rtp_session->send_msg.header.pt == 97) {
rtp_session->recv_msg.header.pt = 102;
rtp_session->last_rtp_hdr.pt = 102;
}
if (rtp_session->flags[SWITCH_RTP_FLAG_VAD] &&
rtp_session->recv_msg.header.pt == rtp_session->vad_data.read_codec->implementation->ianacode) {
rtp_session->last_rtp_hdr.pt == rtp_session->vad_data.read_codec->implementation->ianacode) {
int16_t decoded[SWITCH_RECOMMENDED_BUFFER_SIZE / sizeof(int16_t)] = { 0 };
uint32_t rate = 0;
......
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