[FFmpeg-devel] [PATCH] avformat/mpegtsenc: warn users if codec isn't supported

Gyan ffmpeg at gyani.pro
Fri Dec 20 13:25:12 EET 2019

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From fbbd221b089f3b272cfd712c3d4824dd86b4eac0 Mon Sep 17 00:00:00 2001
From: Gyan Doshi <ffmpeg at gyani.pro>
Date: Fri, 20 Dec 2019 16:39:32 +0530
Subject: [PATCH] avformat/mpegtsenc: warn users if codec isn't supported

The MPEG-TS muxer will mux streams with unsupported codec id
as a private data stream; this usually makes the stream
not recognizable by ffmpeg and likely other tools.
 libavformat/mpegtsenc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavformat/mpegtsenc.c b/libavformat/mpegtsenc.c
index 5b4694bfd1..f24112465a 100644
--- a/libavformat/mpegtsenc.c
+++ b/libavformat/mpegtsenc.c
@@ -382,6 +382,7 @@ static int mpegts_write_pmt(AVFormatContext *s, MpegTSService *service)
             stream_type = STREAM_TYPE_METADATA;
+            av_log(s, AV_LOG_WARNING, "Stream %d, codec %s, is muxed as a private data stream and may not be recognized upon reading.\n", i, avcodec_get_name(st->codecpar->codec_id));
             stream_type = STREAM_TYPE_PRIVATE_DATA;

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