That's intended. I inspected the file with exiftool -v3 to check the
tags and verify that's correct behavior.
| | UserData (SubDirectory) -->
| | - Tag 'udta' (12 bytes):
| | 503e39: 00 00 00 0c 6e 61 6d 65 4d 6f 6e 6f
[....nameMono]
| | + [UserData directory]
| | | Track2Name = Mono
| | | - Tag 'Track2name' (4 bytes):
| | | 503e41: 4d 6f 6e 6f [Mono]
I'm also working on putting together a fate test and generate a tiny
sample to include with this per your ask.
------ Original Message ------
From: "Michael Niedermayer" <mich...@niedermayer.cc>
To: "FFmpeg development discussions and patches"
<ffmpeg-devel@ffmpeg.org>
Sent: 5/22/2018 11:28:29 AM
Subject: Re: [FFmpeg-devel] [PATCH v2 2/2] libavformat/mov: recognize
udta name tag as the stream title
On Mon, May 21, 2018 at 12:14:03PM -0700, Nik Johnson wrote:
Some muxers write the stream title in a udta atom with the tag 'name'.
Recognize 'name' tags as the stream title instead of an unknown tag.
Signed-off-by: Nik Johnson <n...@nikjohnson.net>
---
[v2: Add raw = 1]
libavformat/mov.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/libavformat/mov.c b/libavformat/mov.c
index 5332d48eb1..09e3096a06 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -340,6 +340,7 @@ static int mov_read_udta_string(MOVContext *c,
AVIOContext *pb, MOVAtom atom)
return mov_metadata_loci(c, pb, atom.size);
case MKTAG( 'm','a','n','u'): key = "make"; break;
case MKTAG( 'm','o','d','l'): key = "model"; break;
+ case MKTAG( 'n','a','m','e'): key = "title"; raw = 1; break;
case MKTAG( 'p','c','s','t'): key = "podcast";
parse = mov_metadata_int8_no_padding; break;
case MKTAG( 'p','g','a','p'): key = "gapless_playback";
for
./ffmpeg -i ~/tickets/4938/2014-11-30\ 23.59.04-hb.mp4
file should be linked at https://trac.ffmpeg.org/ticket/4938
this produces:
title : Mono
is this intended ?
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
The misfortune of the wise is better than the prosperity of the fool.
-- Epicurus
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