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FS-2859

This commit is contained in:
Anthony Minessale 2010-11-18 16:23:01 -06:00
parent d96eb988ff
commit 0a11b9b433
2 changed files with 51 additions and 2 deletions
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4
src/include/switch_types.h
View File

@ -471,7 +471,9 @@ typedef enum {
SWITCH_VAD_FLAG_TALKING = (1 << 0),
SWITCH_VAD_FLAG_EVENTS_TALK = (1 << 1),
SWITCH_VAD_FLAG_EVENTS_NOTALK = (1 << 2),
SWITCH_VAD_FLAG_CNG = (1 << 3)
SWITCH_VAD_FLAG_CNG = (1 << 3),
/* added to keep track when last normal packet sent */
SWITCH_VAD_NPACKET_SENT = (1 << 4)
} switch_vad_flag_enum_t;
typedef uint32_t switch_vad_flag_t;

49
src/switch_rtp.c
View File

@ -240,6 +240,7 @@ struct switch_rtp {
switch_time_t send_time;
switch_byte_t auto_adj_used;
int last_voicepkt;
};
struct switch_rtcp_senderinfo {
@ -1356,6 +1357,7 @@ SWITCH_DECLARE(switch_status_t) switch_rtp_create(switch_rtp_t **new_rtp_session
rtp_session->pool = pool;
rtp_session->te = 101;
rtp_session->recv_te = 101;
rtp_session->last_voicepkt=0;
switch_mutex_init(&rtp_session->flag_mutex, SWITCH_MUTEX_NESTED, pool);
switch_mutex_init(&rtp_session->read_mutex, SWITCH_MUTEX_NESTED, pool);
@ -3155,9 +3157,12 @@ static int rtp_common_write(switch_rtp_t *rtp_session,
{
switch_size_t bytes, rtcp_bytes;
uint8_t send = 1;
uint8_t CNdata[10] = { 0 };
uint8_t sendCN = 0;
uint32_t this_ts = 0;
int ret;
switch_time_t now;
CNdata[0] = 65;
if (!switch_rtp_ready(rtp_session)) {
return SWITCH_STATUS_FALSE;
@ -3239,9 +3244,15 @@ static int rtp_common_write(switch_rtp_t *rtp_session,
rtp_session->recv_msg.header.pt = 102;
}
if ( !switch_test_flag(rtp_session,SWITCH_RTP_FLAG_VAD ) )
switch_set_flag( rtp_session,SWITCH_RTP_FLAG_VAD);
/*
if (switch_test_flag(rtp_session, SWITCH_RTP_FLAG_VAD) &&
rtp_session->recv_msg.header.pt == rtp_session->vad_data.read_codec->implementation->ianacode) {
*/
if (switch_test_flag(rtp_session, SWITCH_RTP_FLAG_VAD)) {
int16_t decoded[SWITCH_RECOMMENDED_BUFFER_SIZE / sizeof(int16_t)] = { 0 };
uint32_t rate = 0;
uint32_t codec_flags = 0;
@ -3290,6 +3301,7 @@ static int rtp_common_write(switch_rtp_t *rtp_session,
if (score > rtp_session->vad_data.bg_level && !switch_test_flag(&rtp_session->vad_data, SWITCH_VAD_FLAG_TALKING)) {
uint32_t diff = score - rtp_session->vad_data.bg_level;
if (rtp_session->vad_data.hangover_hits) {
rtp_session->vad_data.hangover_hits--;
}
@ -3342,11 +3354,31 @@ static int rtp_common_write(switch_rtp_t *rtp_session,
this_ts = ntohl(send_msg->header.ts);
/* if previous normal packet is sent but this one is not scheduled to be sent, send a CN packet */
if ( !rtp_session->last_voicepkt && send==0 ) {
send=1;
sendCN=1;
//switch_set_flag(&rtp_session->vad_data,SWITCH_VAD_NPACKET_SENT );
rtp_session->last_voicepkt=1;
}
if (!switch_rtp_ready(rtp_session) || rtp_session->sending_dtmf || !this_ts) {
send = 0;
}
/* we send CN automatically. ignore other attempts */
if ( send_msg->header.pt == rtp_session->cng_pt ){
send = 0;
}
if (send) {
if ( !sendCN)
rtp_session->last_voicepkt=0;
send_msg->header.seq = htons(++rtp_session->seq);
if (switch_test_flag(rtp_session, SWITCH_RTP_FLAG_SECURE_SEND)) {
@ -3441,6 +3473,18 @@ static int rtp_common_write(switch_rtp_t *rtp_session,
}
}
if ( sendCN ) {
int CNdatalen = 2;
rtp_session->cn++;
memcpy(send_msg->body, CNdata, CNdatalen);
bytes = CNdatalen + rtp_header_len;
payload = rtp_session->cng_pt;
send_msg->header.pt = rtp_session->cng_pt;
send_msg->header.m = 0;
rtp_session->last_voicepkt=1;
}
if (switch_socket_sendto(rtp_session->sock_output, rtp_session->remote_addr, 0, (void *) send_msg, &bytes) != SWITCH_STATUS_SUCCESS) {
rtp_session->seq--;
@ -3523,6 +3567,9 @@ static int rtp_common_write(switch_rtp_t *rtp_session,
}
}
if (rtp_session->remote_stun_addr) {
do_stun_ping(rtp_session);
}