mirror of
https://github.com/signalwire/freeswitch.git
synced 2025-02-04 18:27:36 +00:00
FS-7501: more code
This commit is contained in:
Anthony Minessale
Michael Jerris
parent
785ecdb39e
commit
b63683ade0
@ -5049,7 +5049,7 @@ static switch_status_t read_rtp_packet(switch_rtp_t *rtp_session, switch_size_t
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stfu_n_destroy(&rtp_session->jb);
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}
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}
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if (rtp_session->recv_msg.header.version == 2 && *bytes) {
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if (rtp_session->vb) {
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@ -5122,22 +5122,24 @@ static switch_status_t read_rtp_packet(switch_rtp_t *rtp_session, switch_size_t
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switch(vstatus) {
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case SWITCH_STATUS_RESTART:
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switch_core_session_request_video_refresh(rtp_session->session);
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*bytes = 0;
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status = SWITCH_STATUS_FALSE;
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break;
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case SWITCH_STATUS_MORE_DATA:
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status = SWITCH_STATUS_FALSE;
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*bytes = 0;
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break;
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case SWITCH_STATUS_SUCCESS:
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case SWITCH_STATUS_BREAK:
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switch_core_session_request_video_refresh(rtp_session->session);
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default:
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status = SWITCH_STATUS_SUCCESS;
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break;
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}
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if (status == SWITCH_STATUS_SUCCESS) {
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switch_cp_addr(rtp_session->from_addr, rtp_session->remote_addr);
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if (!xcheck_jitter) {
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check_jitter(rtp_session);
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xcheck_jitter = *bytes;
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}
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break;
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default:
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break;
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}
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}
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@ -61,6 +61,7 @@ struct switch_vb_s {
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struct switch_vb_frame_s *cur_write_frame;
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uint32_t last_read_ts;
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uint32_t last_read_seq;
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uint32_t last_target_seq;
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uint32_t last_wrote_ts;
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uint32_t last_wrote_seq;
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uint16_t target_seq;
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@ -73,6 +74,7 @@ struct switch_vb_s {
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uint32_t max_frame_len;
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uint8_t debug_level;
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switch_timer_t timer;
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int cur_errs;
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};
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static inline switch_vb_node_t *new_node(switch_vb_frame_t *frame)
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@ -124,8 +126,8 @@ static inline void add_node(switch_vb_frame_t *frame, switch_rtp_packet_t *packe
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frame->max_seq = packet->header.seq;
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}
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vb_debug(frame->parent, (packet->header.m ? 1 : 2), "PUT packet last_ts:%u ts:%u seq:%u %s\n",
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ntohl(frame->parent->last_wrote_ts), ntohl(node->packet.header.ts), ntohs(node->packet.header.seq), packet->header.m ? "FINAL" : "PARTIAL");
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vb_debug(frame->parent, (packet->header.m ? 1 : 2), "PUT packet last_ts:%u ts:%u seq:%u%s\n",
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ntohl(frame->parent->last_wrote_ts), ntohl(node->packet.header.ts), ntohs(node->packet.header.seq), packet->header.m ? " <MARK>" : "");
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if (packet->header.m) {
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@ -243,63 +245,26 @@ static inline switch_vb_frame_t *new_frame(switch_vb_t *vb, switch_rtp_packet_t
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}
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static inline int frame_contains_seq(switch_vb_frame_t *frame, uint16_t target_seq)
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{
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int16_t seq = ntohs(target_seq);
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if (frame->min_seq && frame->max_seq && seq >= ntohs(frame->min_seq) && seq <= ntohs(frame->max_seq)) {
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switch_vb_node_t *np;
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for (np = frame->node_list; np; np = np->next) {
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if (!np->visible) continue;
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if (ntohs(np->packet.header.seq) == seq) return 1;
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}
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}
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return 0;
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}
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/* seq_check verifies that every seq is present in the frame but is probably heavy */
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static inline int check_frame(switch_vb_frame_t *frame, switch_bool_t seq_check)
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static inline int frame_contains_seq(switch_vb_frame_t *frame, uint16_t target_seq, switch_vb_node_t **nodep)
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{
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uint16_t seq = ntohs(target_seq);
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switch_vb_node_t *np;
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int m = 0;
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uint16_t x = 0, min = ntohs(frame->min_seq), max = ntohs(frame->max_seq);
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for (x = min; x < max; x++) {
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int ok = 0;
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for (np = frame->node_list; np; np = np->next) {
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if (!np->visible) continue;
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if (np->packet.header.m) {
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if (!seq_check) {
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return 1;
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}
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m++;
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}
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if (!seq_check) {
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ok++;
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} else {
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if (ntohs(np->packet.header.seq) == x) {
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ok++;
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}
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}
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}
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if (!m || !ok) {
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goto bail;
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for (np = frame->node_list; np; np = np->next) {
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if (!np->visible) {
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continue;
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}
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//vb_debug(frame->parent, 10, " CMP %u %u/%u\n", ntohl(frame->ts), ntohs(np->packet.header.seq), seq);
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if (ntohs(np->packet.header.seq) == seq) {
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//vb_debug(frame->parent, 10, " MATCH %u %u v:%d\n", ntohs(np->packet.header.seq), seq, np->visible);
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if (nodep) {
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*nodep = np;
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}
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return 1;
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}
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}
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return 1;
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bail:
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vb_debug(frame->parent, 1, "Frame %u failed frame check seq: %u m: %d, discarding\n", ntohl(frame->ts), x, m);
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hide_frame(frame);
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return 0;
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}
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static inline void increment_seq(switch_vb_t *vb)
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@ -309,11 +274,11 @@ static inline void increment_seq(switch_vb_t *vb)
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static inline void set_read_seq(switch_vb_t *vb, uint16_t seq)
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{
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vb->last_read_seq = seq;
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vb->target_seq = htons((ntohs(vb->last_read_seq) + 1));
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vb->last_target_seq = seq;
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vb->target_seq = htons((ntohs(vb->last_target_seq) + 1));
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}
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static inline switch_status_t next_frame(switch_vb_t *vb)
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static inline switch_status_t next_frame(switch_vb_t *vb, switch_vb_node_t **nodep)
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{
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switch_vb_frame_t *fp = NULL, *oldest = NULL, *frame_containing_seq = NULL;
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@ -328,12 +293,12 @@ static inline switch_status_t next_frame(switch_vb_t *vb)
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if ((fp = vb->cur_read_frame)) {
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int ok = 1;
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if (!fp->visible || !fp->complete || fp->visible_nodes == 0) {
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if (!fp->visible || fp->visible_nodes == 0) {
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ok = 0;
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} else {
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if (vb->target_seq) {
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if (frame_contains_seq(fp, vb->target_seq)) {
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vb_debug(vb, 2, "FOUND CUR FRAME %u CONTAINING SEQ %d\n", ntohl(fp->ts), ntohs(vb->target_seq));
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if (frame_contains_seq(fp, vb->target_seq, nodep)) {
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vb_debug(vb, 2, "CUR FRAME %u CONTAINS REQUESTED SEQ %d\n", ntohl(fp->ts), ntohs(vb->target_seq));
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frame_containing_seq = fp;
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goto end;
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} else {
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@ -349,33 +314,34 @@ static inline switch_status_t next_frame(switch_vb_t *vb)
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}
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do {
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*nodep = NULL;
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for (fp = vb->frame_list; fp; fp = fp->next) {
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if (!fp->visible || !fp->complete) {
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continue;
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}
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if (vb->target_seq) {
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if (frame_contains_seq(fp, vb->target_seq)) {
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if (frame_contains_seq(fp, vb->target_seq, nodep)) {
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vb_debug(vb, 2, "FOUND FRAME %u CONTAINING SEQ %d\n", ntohl(fp->ts), ntohs(vb->target_seq));
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frame_containing_seq = fp;
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goto end;
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}
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}
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if ((!oldest || htonl(oldest->ts) > htonl(fp->ts))) {
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oldest = fp;
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}
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}
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if (!frame_containing_seq && vb->target_seq) {
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if (ntohs(vb->target_seq) - ntohs(vb->last_read_seq) > MAX_MISSING_SEQ) {
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if (ntohs(vb->target_seq) - ntohs(vb->last_target_seq) > MAX_MISSING_SEQ) {
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vb_debug(vb, 1, "FOUND NO FRAMES CONTAINING SEQ %d. Too many failures....\n", ntohs(vb->target_seq));
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switch_vb_reset(vb, SWITCH_FALSE);
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} else {
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vb_debug(vb, 2, "FOUND NO FRAMES CONTAINING SEQ %d. Try next one\n", ntohs(vb->target_seq));
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increment_seq(vb);
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vb->cur_errs++;
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}
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}
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} while (!frame_containing_seq && vb->target_seq);
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@ -384,8 +350,14 @@ static inline switch_status_t next_frame(switch_vb_t *vb)
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if (frame_containing_seq) {
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vb->cur_read_frame = frame_containing_seq;
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if (nodep && *nodep) {
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hide_node(*nodep);
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set_read_seq(vb, (*nodep)->packet.header.seq);
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}
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} else if (oldest) {
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vb->cur_read_frame = oldest;
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} else {
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vb->cur_read_frame = NULL;
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}
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if (vb->cur_read_frame) {
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@ -435,19 +407,21 @@ static inline switch_vb_node_t *frame_find_lowest_seq(switch_vb_frame_t *frame)
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static inline switch_status_t next_frame_packet(switch_vb_t *vb, switch_vb_node_t **nodep)
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{
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switch_vb_node_t *node;
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switch_vb_node_t *node = NULL;
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switch_status_t status;
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if ((status = next_frame(vb) != SWITCH_STATUS_SUCCESS)) {
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if ((status = next_frame(vb, &node) != SWITCH_STATUS_SUCCESS)) {
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return status;
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}
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if (vb->target_seq) {
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vb_debug(vb, 2, "Search for next packet %u cur ts: %u\n", htons(vb->target_seq), htonl(vb->cur_read_frame->ts));
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node = frame_find_next_seq(vb->cur_read_frame);
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} else {
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node = frame_find_lowest_seq(vb->cur_read_frame);
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vb_debug(vb, 2, "Find lowest seq frame ts: %u seq: %u\n", ntohl(vb->cur_read_frame->ts), ntohs(node->packet.header.seq));
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if (!node) {
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if (vb->target_seq) {
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vb_debug(vb, 2, "Search for next packet %u cur ts: %u\n", htons(vb->target_seq), htonl(vb->cur_read_frame->ts));
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node = frame_find_next_seq(vb->cur_read_frame);
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} else {
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node = frame_find_lowest_seq(vb->cur_read_frame);
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vb_debug(vb, 2, "Find lowest seq frame ts: %u seq: %u\n", ntohl(vb->cur_read_frame->ts), ntohs(node->packet.header.seq));
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}
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}
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*nodep = node;
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@ -522,7 +496,7 @@ SWITCH_DECLARE(void) switch_vb_reset(switch_vb_t *vb, switch_bool_t flush)
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}
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vb->last_read_ts = 0;
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vb->last_read_seq = 0;
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vb->last_target_seq = 0;
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vb->target_seq = 0;
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if (flush) {
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@ -568,8 +542,8 @@ SWITCH_DECLARE(switch_status_t) switch_vb_put_packet(switch_vb_t *vb, switch_rtp
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switch_vb_frame_t *frame;
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#ifdef VB_PLOSS
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int r = (rand() % 100000) + 1;
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if (r <= 20) {
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int r = (rand() % 10000) + 1;
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if (r <= 200) {
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vb_debug(vb, 1, "Simulate dropped packet ......... ts: %u seq: %u\n", ntohl(packet->header.ts), ntohs(packet->header.seq));
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return SWITCH_STATUS_SUCCESS;
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}
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@ -588,6 +562,8 @@ SWITCH_DECLARE(switch_status_t) switch_vb_get_packet(switch_vb_t *vb, switch_rtp
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switch_vb_node_t *node = NULL;
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switch_status_t status;
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vb->cur_errs = 0;
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if (vb->complete_frames < vb->frame_len) {
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vb_debug(vb, 2, "BUFFERING %u/%u\n", vb->complete_frames , vb->frame_len);
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return SWITCH_STATUS_MORE_DATA;
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@ -610,11 +586,19 @@ SWITCH_DECLARE(switch_status_t) switch_vb_get_packet(switch_vb_t *vb, switch_rtp
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}
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if (node) {
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status = SWITCH_STATUS_SUCCESS;
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*packet = node->packet;
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*len = node->len;
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memcpy(packet->body, node->packet.body, node->len);
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if (vb->cur_errs) {
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vb_debug(vb, 1, "One or more Missing SEQ TS %u\n", ntohl(packet->header.ts));
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status = SWITCH_STATUS_BREAK;
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}
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vb->last_read_ts = packet->header.ts;
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vb->last_read_seq = packet->header.seq;
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if (vb->timer.timer_interface) {
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if (packet->header.m || !vb->timer.samplecount) {
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@ -622,14 +606,21 @@ SWITCH_DECLARE(switch_status_t) switch_vb_get_packet(switch_vb_t *vb, switch_rtp
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}
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}
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vb_debug(vb, 1, "GET packet ts:%u seq:%u~%u m:%d\n", ntohl(packet->header.ts), ntohs(packet->header.seq), vb->seq_out, packet->header.m);
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if (vb->cur_read_frame && vb->cur_read_frame->visible_nodes == 0 && !packet->header.m) {
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/* force mark bit */
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vb_debug(vb, 1, "LAST PACKET %u WITH NO MARK BIT, ADDIONG MARK BIT\n", ntohl(packet->header.ts));
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packet->header.m = 1;
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status = SWITCH_STATUS_BREAK;
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}
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vb_debug(vb, 1, "GET packet ts:%u seq:%u~%u%s\n", ntohl(packet->header.ts), ntohs(packet->header.seq), vb->seq_out, packet->header.m ? " <MARK>" : "");
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//packet->header.seq = htons(vb->seq_out++);
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if (vb->timer.timer_interface) {
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packet->header.seq = htons(vb->seq_out++);
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packet->header.ts = htonl(vb->timer.samplecount);
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}
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return SWITCH_STATUS_SUCCESS;
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return status;
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}
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return SWITCH_STATUS_MORE_DATA;
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