From aeba058340ec47a10049c9cefb7ca8d500047b31 Mon Sep 17 00:00:00 2001
From: Nicolas George <nicolas.george@normalesup.org>
Date: Tue, 16 Aug 2011 13:29:47 +0200
Subject: [PATCH] lavf: warn when a parser is needed and not found.

---
 libavformat/utils.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavformat/utils.c b/libavformat/utils.c
index ab36a156b4..ef1de94d77 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -1246,6 +1246,9 @@ static int read_frame_internal(AVFormatContext *s, AVPacket *pkt)
             if (st->need_parsing && !st->parser && !(s->flags & AVFMT_FLAG_NOPARSE)) {
                 st->parser = av_parser_init(st->codec->codec_id);
                 if (!st->parser) {
+                    av_log(s, AV_LOG_WARNING, "parser not found for codec "
+                           "%s, packets or times may be invalid.\n",
+                           avcodec_get_name(st->codec->codec_id));
                     /* no parser available: just output the raw packets */
                     st->need_parsing = AVSTREAM_PARSE_NONE;
                 }else if(st->need_parsing == AVSTREAM_PARSE_HEADERS){