FS-11959: add switch_jb_get_packets_per_frame() - gets the number of packets per video frame

src/include/switch_jitterbuffer.h

@@ -65,6 +65,7 @@ SWITCH_DECLARE(void) switch_jb_ts_mode(switch_jb_t *jb, uint32_t samples_per_fra
 SWITCH_DECLARE(void) switch_jb_set_flag(switch_jb_t *jb, switch_jb_flag_t flag);
 SWITCH_DECLARE(void) switch_jb_clear_flag(switch_jb_t *jb, switch_jb_flag_t flag);
 SWITCH_DECLARE(uint32_t) switch_jb_get_nack_success(switch_jb_t *jb);
+SWITCH_DECLARE(uint32_t) switch_jb_get_packets_per_frame(switch_jb_t *jb);
 
 SWITCH_END_EXTERN_C
 #endif

src/switch_jitterbuffer.c

@@ -986,6 +986,15 @@ SWITCH_DECLARE(uint32_t) switch_jb_get_nack_success(switch_jb_t *jb)
 	return nack_recovered;
 }
 
+SWITCH_DECLARE(uint32_t) switch_jb_get_packets_per_frame(switch_jb_t *jb) 
+{
+	uint32_t ppf;
+	switch_mutex_lock(jb->mutex);
+	ppf = jb->packet_count; /* get current packets per frame */
+	switch_mutex_unlock(jb->mutex);
+	return ppf;
+}
+
 SWITCH_DECLARE(switch_status_t) switch_jb_peek_frame(switch_jb_t *jb, uint32_t ts, uint16_t seq, int peek, switch_frame_t *frame)
 {
 	switch_jb_node_t *node = NULL;