ffmpeg: prevent pts < dts to be passed through to the muxer on stream copy
authorMichael Niedermayer <michaelni@gmx.at>
Thu, 5 Jun 2014 16:37:32 +0000 (18:37 +0200)
committerCarl Eugen Hoyos <cehoyos@ag.or.at>
Mon, 9 Jun 2014 21:46:48 +0000 (23:46 +0200)
Fixes Ticket3658

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 27856b2fe9cdbcf48ad996647cb104667b373fa4)

ffmpeg.c

index 5caac1f..5463f06 100644 (file)
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -621,7 +621,8 @@ static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
         bsfc = bsfc->next;
     }
 
-    if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS) &&
+    if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS)) {
+     if(
         (avctx->codec_type == AVMEDIA_TYPE_AUDIO || avctx->codec_type == AVMEDIA_TYPE_VIDEO) &&
         pkt->dts != AV_NOPTS_VALUE &&
         ost->last_mux_dts != AV_NOPTS_VALUE) {
@@ -642,6 +643,16 @@ static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
             pkt->pts = FFMAX(pkt->pts, max);
         pkt->dts = max;
       }
+     }
+        if (pkt->dts != AV_NOPTS_VALUE &&
+            pkt->pts != AV_NOPTS_VALUE &&
+            pkt->dts > pkt->pts) {
+            av_log(s, AV_LOG_WARNING, "Invalid DTS: %"PRId64" PTS: %"PRId64" in output stream %d:%d\n",
+                   pkt->dts, pkt->pts,
+                   ost->file_index, ost->st->index);
+            pkt->pts = AV_NOPTS_VALUE;
+            pkt->dts = AV_NOPTS_VALUE;
+        }
     }
     ost->last_mux_dts = pkt->dts;