Preston_PLB/freeswitch
1
0
Fork 0
forked from Mirrors/freeswitch
Code Pull Requests Activity

FS-10770: [freeswitch-core] Make nack buffer bigger by default #resolve

Browse Source
This commit is contained in:
Anthony Minessale 2017-11-02 14:06:13 -05:00
parent 873a7bbdff
commit 5658e581fe
1 changed files with 44 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

50
src/switch_rtp.c
View File

@ -312,6 +312,8 @@ typedef struct ts_normalize_s {
int last_external;
} ts_normalize_t;
#define MAX_NACKS 25
struct switch_rtp {
/*
* Two sockets are needed because we might be transcoding protocol families
@ -477,6 +479,10 @@ struct switch_rtp {
uint8_t punts;
uint8_t clean;
uint32_t last_max_vb_frames;
uint32_t nack_buf[MAX_NACKS];
int nack_idx;
#ifdef ENABLE_ZRTP
zrtp_session_t *zrtp_session;
zrtp_profile_t *zrtp_profile;
@ -6254,6 +6260,21 @@ static switch_status_t read_rtp_packet(switch_rtp_t *rtp_session, switch_size_t
return status;
}
char* pBin(long int x,char *so, int width)
{
char s[width+1];
int i=width;
s[i--]=0x00; // terminate string
do
{ // fill in array from right to left
s[i--]=(x & 1) ? '1':'0'; // determine bit
x>>=1; // shift right 1 bit
} while( x > 0);
i++; // point to last valid character
sprintf(so,"%s",s+i); // stick it in the temp string string
return so;
}
static void handle_nack(switch_rtp_t *rtp_session, uint32_t nack)
{
switch_size_t bytes = 0;
@ -6265,7 +6286,8 @@ static void handle_nack(switch_rtp_t *rtp_session, uint32_t nack)
const char *old_host = NULL;
const char *my_host = NULL;
char bufa[50], bufb[50], bufc[50];
char foo[64] = "";
if (!(rtp_session->flags[SWITCH_RTP_FLAG_NACK] && rtp_session->vbw)) {
return; /* not enabled */
}
@ -6276,8 +6298,8 @@ static void handle_nack(switch_rtp_t *rtp_session, uint32_t nack)
my_host = switch_get_addr(bufc, sizeof(bufc), rtp_session->local_addr);
}
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(rtp_session->session), SWITCH_LOG_DEBUG1, "%s Got NACK [%u][0x%x] for seq %u\n",
switch_core_session_get_name(rtp_session->session), nack, nack, ntohs(seq));
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(rtp_session->session), SWITCH_LOG_DEBUG1, "%s Got NACK [%u][0x%x] for seq %u bits [%s]\n",
switch_core_session_get_name(rtp_session->session), nack, nack, ntohs(seq), pBin(nack, foo, sizeof(foo)));
if (switch_jb_get_packet_by_seq(rtp_session->vbw, seq, (switch_rtp_packet_t *) send_msg, &bytes) == SWITCH_STATUS_SUCCESS) {
@ -6380,7 +6402,12 @@ static switch_status_t process_rtcp_report(switch_rtp_t *rtp_session, rtcp_msg_t
for (i = 0; i < ntohs(extp->header.length) - 2; i++) {
handle_nack(rtp_session, *nack);
//handle_nack(rtp_session, *nack);
switch_mutex_lock(rtp_session->flag_mutex);
if (rtp_session->nack_idx < MAX_NACKS) {
rtp_session->nack_buf[rtp_session->nack_idx++] = *nack;
}
switch_mutex_unlock(rtp_session->flag_mutex);
nack++;
}
@ -8313,7 +8340,7 @@ static int rtp_common_write(switch_rtp_t *rtp_session,
switch_channel_t *channel = switch_core_session_get_channel(rtp_session->session);
if (!rtp_session->vbw) {
int nack_size = 100;
int nack_size = 1000;
const char *var;
if ((var = switch_channel_get_variable(channel, "rtp_nack_buffer_size"))) {
@ -8492,6 +8519,17 @@ SWITCH_DECLARE(int) switch_rtp_write_frame(switch_rtp_t *rtp_session, switch_fra
return 0;
}
switch_mutex_lock(rtp_session->flag_mutex);
if (rtp_session->nack_idx) {
int i = 0;
for(i = 0; i < rtp_session->nack_idx; i++) {
handle_nack(rtp_session, rtp_session->nack_buf[i]);
}
rtp_session->nack_idx = 0;
}
switch_mutex_unlock(rtp_session->flag_mutex);
//if (rtp_session->flags[SWITCH_RTP_FLAG_VIDEO]) {
// rtp_session->flags[SWITCH_RTP_FLAG_DEBUG_RTP_READ]++;
// rtp_session->flags[SWITCH_RTP_FLAG_DEBUG_RTP_WRITE]++;
@ -8536,7 +8574,7 @@ SWITCH_DECLARE(int) switch_rtp_write_frame(switch_rtp_t *rtp_session, switch_fra
old_host = switch_get_addr(bufb, sizeof(bufb), rtp_session->remote_addr);
my_host = switch_get_addr(bufc, sizeof(bufc), rtp_session->local_addr);
printf(
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG_CLEAN(rtp_session->session), SWITCH_LOG_CONSOLE,
"W %s b=%4ld %s:%u %s:%u %s:%u pt=%d ts=%u seq=%u m=%d\n",
rtp_session->session ? switch_channel_get_name(switch_core_session_get_channel(rtp_session->session)) : "NoName",
(long) bytes,