From ffb46744ae9fa1540c78f5f2f0a70bbfab6a6af4 Mon Sep 17 00:00:00 2001
From: Jaroslav Kysela <perex@perex.cz>
Date: Thu, 31 Dec 2015 14:55:19 +0100
Subject: [PATCH] timeshift: maintain packet backlog also for ondemand

---
 src/timeshift.c | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/src/timeshift.c b/src/timeshift.c
index 97f8c236d..38367bff1 100644
--- a/src/timeshift.c
+++ b/src/timeshift.c
@@ -233,7 +233,7 @@ timeshift_packet_deliver ( timeshift_t *ts, streaming_message_t *sm )
 }
 
 static void
-timeshift_packet_flush ( timeshift_t *ts, int64_t time )
+timeshift_packet_flush ( timeshift_t *ts, int64_t time, int deliver )
 {
   streaming_message_t *lowest, *sm;
   struct streaming_message_queue *sq;
@@ -251,12 +251,15 @@ timeshift_packet_flush ( timeshift_t *ts, int64_t time )
     if (!lowest)
       break;
     TAILQ_REMOVE(sq, lowest, sm_link);
-    timeshift_packet_deliver(ts, lowest);
+    if (deliver)
+      timeshift_packet_deliver(ts, lowest);
+    else
+      streaming_msg_free(lowest);
   }
 }
 
 static void
-timeshift_packet( timeshift_t *ts, th_pkt_t *pkt )
+timeshift_packet( timeshift_t *ts, th_pkt_t *pkt, int deliver )
 {
   streaming_message_t *sm;
   int64_t time;
@@ -269,12 +272,13 @@ timeshift_packet( timeshift_t *ts, th_pkt_t *pkt )
   time = ts_rescale(pkt->pkt_pts, 1000000);
   if (time > ts->last_time) {
     atomic_exchange_s64(&ts->last_time, time);
-    timeshift_packet_flush(ts, time);
+    timeshift_packet_flush(ts, time, deliver);
   }
 
   sm->sm_time = time;
   if (time + MAX_TIME_DELTA < ts->last_time) {
-    timeshift_packet_deliver(ts, sm);
+    if (deliver)
+      timeshift_packet_deliver(ts, sm);
   } else {
     if (pkt->pkt_componentindex >= ts->backlog_max)
       ts->backlog_max = pkt->pkt_componentindex + 1;
@@ -364,7 +368,7 @@ static void timeshift_input
         ts->smt_start = sm->sm_data;
         atomic_add(&ts->smt_start->ss_refcount, 1);
         if (ts->packet_mode) {
-          timeshift_packet_flush(ts, ts->last_time + MAX_TIME_DELTA + 1000);
+          timeshift_packet_flush(ts, ts->last_time + MAX_TIME_DELTA + 1000, ts->dobuf);
           if (ts->last_time)
             ts->start_pts = ts->last_time + 1000;
         }
@@ -385,7 +389,7 @@ static void timeshift_input
       if (ts->packet_mode) {
         sm->sm_time = ts->last_time;
         if (type == SMT_PACKET) {
-          timeshift_packet(ts, pkt);
+          timeshift_packet(ts, pkt, 1);
           goto msg_free;
         }
       } else {
@@ -399,6 +403,7 @@ static void timeshift_input
       streaming_target_deliver2(&ts->wr_queue.sq_st, sm);
     } else {
       if (type == SMT_PACKET) {
+        timeshift_packet(ts, pkt, 0);
         tvhtrace("timeshift",
                  "ts %d pkt in  - stream %d type %c pts %10"PRId64
                  " dts %10"PRId64" dur %10d len %6zu",
-- 
2.47.3