From 68f4c2163ec6d4534ae1756dbcf259845f2e4d2c Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michael@niedermayer.cc>
Date: Fri, 9 Sep 2016 13:11:43 +0200
Subject: [PATCH] avformat/movenc: Check first DTS similar to dts difference

Fixes assertion failure
Fixes: b84b53855a0b74560e64c6f45f505a13/signal_sigabrt_7ffff6ae7c37_3837_ef4e243ea5b4fa8d0becf4afe9166604.avi

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavformat/movenc.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index b82bfea2b6e..319ff5701a0 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -4682,6 +4682,13 @@ int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
             pkt->dts = trk->cluster[trk->entry - 1].dts + 1;
             pkt->pts = AV_NOPTS_VALUE;
         }
+    } else if (pkt->dts <= INT_MIN || pkt->dts >= INT_MAX) {
+            av_log(s, AV_LOG_ERROR, "Application provided initial timestamp: %"PRId64" is out of range for mov/mp4 format\n",
+                pkt->dts
+            );
+
+            pkt->dts = 0;
+            pkt->pts = AV_NOPTS_VALUE;
     }
     if (pkt->duration < 0 || pkt->duration > INT_MAX) {
         av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" is invalid\n", pkt->duration);
-- 
GitLab