FS-7601 improve opus packet loss routines #resolve

src/include/switch_rtcp_frame.h

@@ -50,6 +50,7 @@ struct switch_rtcp_report_block_frame {
 	uint32_t jitter; /* An estimate of the statistical variance of the RTP data packet interarrival time, measured in timestamp units and expressed as an unsigned integer. */
 	uint32_t lsr; /* The middle 32 bits out of 64 in the NTP timestamp */
 	uint32_t dlsr; /* The delay, expressed in units of 1/65536 seconds, between receiving the last SR packet from source SSRC_n and sending this reception report block */
+	uint32_t loss_avg;
 };
 
 /*! \brief An abstraction of a rtcp frame */

src/include/switch_stfu.h

@@ -185,7 +185,7 @@ stfu_status_t _stfu_n_resize(stfu_instance_t *i, uint32_t qlen, int line);
 #define stfu_n_resize(_i, _ql) _stfu_n_resize(_i, _ql, __LINE__)
 stfu_status_t stfu_n_add_data(stfu_instance_t *i, uint32_t ts, uint16_t seq, uint32_t pt, void *data, size_t datalen, uint32_t timer_ts, int last);
 stfu_frame_t *stfu_n_read_a_frame(stfu_instance_t *i);
-SWITCH_DECLARE(int32_t) stfu_n_copy_next_frame(stfu_instance_t *jb, uint32_t timestamp, uint16_t seq, uint16_t distance, stfu_frame_t *next_frame);
+SWITCH_DECLARE(int32_t) stfu_n_peek_frame(stfu_instance_t *jb, uint32_t timestamp, uint16_t seq, uint16_t distance, stfu_frame_t **rframe);
 void _stfu_n_reset(stfu_instance_t *i, const char *file, const char *func, int line);
 #define stfu_n_reset(_i) _stfu_n_reset(_i, STFU_PRE)
 stfu_status_t stfu_n_sync(stfu_instance_t *i, uint32_t packets);

src/include/switch_types.h

@@ -2231,7 +2231,8 @@ typedef switch_status_t (*switch_core_codec_video_decode_func_t) (switch_codec_t
 typedef enum {
 	SCC_VIDEO_REFRESH = 0,
 	SCC_VIDEO_BANDWIDTH,
-	SCC_VIDEO_RESET
+	SCC_VIDEO_RESET,
+	SCC_AUDIO_PACKET_LOSS
 } switch_codec_control_command_t;
 
 typedef enum {