|
|
|
@ -45,8 +45,6 @@ static void reset_jitter_buffer(struct jitter_buffer *jb) { |
|
|
|
//ilog(LOG_INFO, "reset_jitter_buffer"); |
|
|
|
|
|
|
|
jb->first_send_ts = 0; |
|
|
|
jb->first_send.tv_sec = 0; |
|
|
|
jb->first_send.tv_usec = 0; |
|
|
|
jb->first_seq = 0; |
|
|
|
jb->rtptime_delta = 0; |
|
|
|
jb->buffer_len = 0; |
|
|
|
@ -56,7 +54,7 @@ static void reset_jitter_buffer(struct jitter_buffer *jb) { |
|
|
|
jb->clock_rate = 0; |
|
|
|
jb->payload_type = 0; |
|
|
|
jb->clock_drift_val = 0; |
|
|
|
jb->prev_seq_ts = timeval_from_us(rtpe_now); |
|
|
|
jb->prev_seq_ts = rtpe_now; |
|
|
|
jb->prev_seq = 0; |
|
|
|
|
|
|
|
jb->num_resets++; |
|
|
|
@ -139,7 +137,7 @@ static int queue_packet(struct media_packet *mp, struct jb_packet *p) { |
|
|
|
int clockrate = get_clock_rate(mp, payload_type); |
|
|
|
int curr_seq = ntohs(mp->rtp->seq_num); |
|
|
|
|
|
|
|
if(!clockrate || !jb->first_send.tv_sec) { |
|
|
|
if(!clockrate || !jb->first_send) { |
|
|
|
ilog(LOG_DEBUG, "Jitter reset due to clockrate"); |
|
|
|
reset_jitter_buffer(jb); |
|
|
|
return 1; |
|
|
|
@ -147,7 +145,7 @@ static int queue_packet(struct media_packet *mp, struct jb_packet *p) { |
|
|
|
long ts_diff = (uint32_t) ts - (uint32_t) jb->first_send_ts; |
|
|
|
int seq_diff = curr_seq - jb->first_seq; |
|
|
|
if(seq_diff < 0) { |
|
|
|
jb->first_send.tv_sec = 0; |
|
|
|
jb->first_send = 0; |
|
|
|
return 1; |
|
|
|
} |
|
|
|
|
|
|
|
@ -155,7 +153,7 @@ static int queue_packet(struct media_packet *mp, struct jb_packet *p) { |
|
|
|
jb->rtptime_delta = ts_diff/seq_diff; |
|
|
|
} |
|
|
|
|
|
|
|
p->ttq_entry.when = jb->first_send; |
|
|
|
p->ttq_entry.when = timeval_from_us(jb->first_send); |
|
|
|
int64_t ts_diff_us = |
|
|
|
(ts_diff + (jb->rtptime_delta * jb->buffer_len))* 1000000 / clockrate; |
|
|
|
|
|
|
|
@ -168,25 +166,25 @@ static int queue_packet(struct media_packet *mp, struct jb_packet *p) { |
|
|
|
|
|
|
|
if (ts_diff_us > 1000000) { // more than one second, can't be right |
|
|
|
ilog(LOG_DEBUG, "Partial reset due to timestamp"); |
|
|
|
jb->first_send.tv_sec = 0; |
|
|
|
jb->first_send = 0; |
|
|
|
p->ttq_entry.when = timeval_from_us(rtpe_now); |
|
|
|
} |
|
|
|
|
|
|
|
if(jb->prev_seq_ts.tv_sec == 0) |
|
|
|
jb->prev_seq_ts = timeval_from_us(rtpe_now); |
|
|
|
if(jb->prev_seq_ts == 0) |
|
|
|
jb->prev_seq_ts = rtpe_now; |
|
|
|
|
|
|
|
if((timeval_diff(p->ttq_entry.when, jb->prev_seq_ts) < 0) && (curr_seq > jb->prev_seq)) { |
|
|
|
p->ttq_entry.when = jb->prev_seq_ts; |
|
|
|
if((timeval_diff(p->ttq_entry.when, timeval_from_us(jb->prev_seq_ts)) < 0) && (curr_seq > jb->prev_seq)) { |
|
|
|
p->ttq_entry.when = timeval_from_us(jb->prev_seq_ts); |
|
|
|
p->ttq_entry.when = timeval_add_usec(p->ttq_entry.when, DELAY_FACTOR); |
|
|
|
} |
|
|
|
|
|
|
|
if(timeval_diff(p->ttq_entry.when, jb->prev_seq_ts) > 0) { |
|
|
|
jb->prev_seq_ts = p->ttq_entry.when; |
|
|
|
if(timeval_diff(p->ttq_entry.when, timeval_from_us(jb->prev_seq_ts)) > 0) { |
|
|
|
jb->prev_seq_ts = timeval_us(p->ttq_entry.when); |
|
|
|
jb->prev_seq = curr_seq; |
|
|
|
} |
|
|
|
|
|
|
|
if(seq_diff > 3000) //readjust after 3k packets |
|
|
|
jb->first_send.tv_sec = 0; |
|
|
|
jb->first_send = 0; |
|
|
|
|
|
|
|
timerthread_queue_push(&jb->ttq, &p->ttq_entry); |
|
|
|
|
|
|
|
@ -210,9 +208,9 @@ static int handle_clock_drift(struct media_packet *mp) { |
|
|
|
int64_t ts_diff = (uint32_t) ts - (uint32_t) jb->first_send_ts; |
|
|
|
int64_t ts_diff_us = |
|
|
|
ts_diff* 1000000 / clockrate; |
|
|
|
struct timeval to_send = jb->first_send; |
|
|
|
to_send = timeval_add_usec(to_send, ts_diff_us); |
|
|
|
int64_t time_diff = timeval_diff(timeval_from_us(rtpe_now), to_send); |
|
|
|
int64_t to_send = jb->first_send; |
|
|
|
to_send += ts_diff_us; |
|
|
|
int64_t time_diff = rtpe_now - to_send; |
|
|
|
|
|
|
|
jb->clock_drift_val = time_diff/seq_diff; |
|
|
|
if(jb->clock_drift_val < -10000 || jb->clock_drift_val > 10000) { //disable jb if clock drift greater than 10 ms |
|
|
|
@ -272,23 +270,23 @@ int buffer_packet(struct media_packet *mp, const str *s) { |
|
|
|
} |
|
|
|
|
|
|
|
if(marker || (jb->ssrc != ntohl(mp->rtp->ssrc)) || seq == 0 ) { //marker or ssrc change or sequence wrap |
|
|
|
jb->first_send.tv_sec = 0; |
|
|
|
jb->first_send = 0; |
|
|
|
} |
|
|
|
|
|
|
|
if(jb->clock_rate && jb->payload_type != payload_type) { //reset in case of payload change |
|
|
|
if(!dtmf) |
|
|
|
jb->first_send.tv_sec = 0; |
|
|
|
jb->first_send = 0; |
|
|
|
else |
|
|
|
jb->dtmf_mult_factor++; |
|
|
|
} |
|
|
|
|
|
|
|
if(!dtmf && jb->dtmf_mult_factor) { //reset after DTMF ends |
|
|
|
jb->first_send.tv_sec = 0; |
|
|
|
jb->first_send = 0; |
|
|
|
jb->dtmf_mult_factor=0; |
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
if (jb->first_send.tv_sec) { |
|
|
|
if (jb->first_send) { |
|
|
|
if(rtpe_config.jb_clock_drift) { |
|
|
|
if(handle_clock_drift(mp)) |
|
|
|
goto end_unlock; |
|
|
|
@ -307,7 +305,8 @@ int buffer_packet(struct media_packet *mp, const str *s) { |
|
|
|
} |
|
|
|
goto end_unlock; |
|
|
|
} |
|
|
|
p->ttq_entry.when = jb->first_send = timeval_from_us(rtpe_now); |
|
|
|
jb->first_send = rtpe_now; |
|
|
|
p->ttq_entry.when = timeval_from_us(rtpe_now); |
|
|
|
jb->first_send_ts = ts; |
|
|
|
jb->first_seq = ntohs(mp->rtp->seq_num); |
|
|
|
jb->ssrc = ntohl(mp->rtp->ssrc); |
|
|
|
|