>From 3788035aade64f322f31bd139da8c281a15fa611 Mon Sep 17 00:00:00 2001
From: Stefano Sabatini <stefasab@gmail.com>
Date: Wed, 13 Jul 2022 01:28:33 +0200
Subject: [PATCH 1/2] ffprobe: use pkt->dts to compute interval ts when pts is
 missing

For some samples the pkt->pts is always missing, use the pkt->dts
instead.

Fix trac issue http://trac.ffmpeg.org/ticket/4427.
---
 fftools/ffprobe.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/fftools/ffprobe.c b/fftools/ffprobe.c
index d2f126d9d6..cd824f5ad1 100644
--- a/fftools/ffprobe.c
+++ b/fftools/ffprobe.c
@@ -2859,9 +2859,10 @@ static int read_interval_packets(WriterContext *w, InputFile *ifile,
         }
         if (selected_streams[pkt->stream_index]) {
             AVRational tb = ifile->streams[pkt->stream_index].st->time_base;
+            int64_t pts = pkt->pts != AV_NOPTS_VALUE ? pkt->pts : pkt->dts;
 
-            if (pkt->pts != AV_NOPTS_VALUE)
-                *cur_ts = av_rescale_q(pkt->pts, tb, AV_TIME_BASE_Q);
+            if (pts != AV_NOPTS_VALUE)
+                *cur_ts = av_rescale_q(pts, tb, AV_TIME_BASE_Q);
 
             if (!has_start && *cur_ts != AV_NOPTS_VALUE) {
                 start = *cur_ts;
-- 
2.25.1

