FS-7499: add generic nack support to rtp stack

src/include/switch_rtp.h

@@ -474,6 +474,8 @@ SWITCH_DECLARE(int) switch_rtp_write_frame(switch_rtp_t *rtp_session, switch_fra
 SWITCH_DECLARE(int) switch_rtp_write_manual(switch_rtp_t *rtp_session,
 											void *data, uint32_t datalen, uint8_t m, switch_payload_t payload, uint32_t ts, switch_frame_flag_t *flags);
 
+SWITCH_DECLARE(switch_status_t) switch_rtp_write_raw(switch_rtp_t *rtp_session, void *data, switch_size_t *bytes, switch_bool_t process_encryption);
+
 /*! 
   \brief Retrieve the SSRC from a given RTP session
   \param rtp_session the RTP session to retrieve from

src/include/switch_vidderbuffer.h

@@ -34,7 +34,7 @@
 #define SWITCH_VIDDERBUFFER_H
 
 SWITCH_BEGIN_EXTERN_C
-SWITCH_DECLARE(switch_status_t) switch_vb_create(switch_vb_t **vbp, uint32_t min_frame_len, uint32_t max_frame_len, switch_bool_t timer_compensation);
+SWITCH_DECLARE(switch_status_t) switch_vb_create(switch_vb_t **vbp, uint32_t min_frame_len, uint32_t max_frame_len);
 SWITCH_DECLARE(switch_status_t) switch_vb_destroy(switch_vb_t **vbp);
 SWITCH_DECLARE(void) switch_vb_reset(switch_vb_t *vb, switch_bool_t flush);
 SWITCH_DECLARE(void) switch_vb_debug_level(switch_vb_t *vb, uint8_t level);
@@ -42,6 +42,8 @@ SWITCH_DECLARE(int) switch_vb_frame_count(switch_vb_t *vb);
 SWITCH_DECLARE(int) switch_vb_poll(switch_vb_t *vb);
 SWITCH_DECLARE(switch_status_t) switch_vb_put_packet(switch_vb_t *vb, switch_rtp_packet_t *packet, switch_size_t len);
 SWITCH_DECLARE(switch_status_t) switch_vb_get_packet(switch_vb_t *vb, switch_rtp_packet_t *packet, switch_size_t *len);
+SWITCH_DECLARE(uint32_t) switch_vb_pop_nack(switch_vb_t *vb);
+SWITCH_DECLARE(switch_status_t) switch_vb_get_packet_by_seq(switch_vb_t *vb, uint16_t seq, switch_rtp_packet_t *packet, switch_size_t *len);
 
 SWITCH_END_EXTERN_C
 #endif