diff --git a/libavformat/mpegtsenc.c b/libavformat/mpegtsenc.c
old mode 100644
new mode 100755
index aba266b..7ccc183
--- a/libavformat/mpegtsenc.c
+++ b/libavformat/mpegtsenc.c
@@ -568,7 +568,17 @@ static int mpegts_write_header(AVFormatContext *s)
         /* MPEG pid values < 16 are reserved. Applications which set st->id in
          * this range are assigned a calculated pid. */
         if (st->id < 16) {
+
+#if CONFIG_AV_PID_NUMBER_PASSTHRU
+            // If ingest is TS: pid numbers from input
+            // Other than TS: pid number starts with start_pid i.e 256
+            if(s->pids_num[i] == 0x2000)
+                ts_st->pid = ts->start_pid + i;
+            else
+                ts_st->pid = s->pids_num[i];
+#else
             ts_st->pid = ts->start_pid + i;
+#endif
         } else if (st->id < 0x1FFF) {
             ts_st->pid = st->id;
         } else {