Hi!
Attached patch fixes setting the language for the sample from vlc ticket
#10830: http://streams.videolan.org/issues/10830/vlc-audio-lang.ts
Please comment, Carl Eugen
From d8b30253cc6b1c2156f1e8898e0a0c2ff3c3f900 Mon Sep 17 00:00:00 2001
From: Carl Eugen Hoyos <ceho...@ag.or.at>
Date: Mon, 3 Apr 2017 19:03:29 +0200
Subject: [PATCH] lavf/mpegts: Also read three-character langauge descriptors.
Sets the language for the sample from vlc ticket #10830
---
libavformat/mpegts.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c
index 3eff152..eff129d 100644
--- a/libavformat/mpegts.c
+++ b/libavformat/mpegts.c
@@ -1821,11 +1821,12 @@ int ff_parse_mpeg2_descriptor(AVFormatContext *fc,
AVStream *st, int stream_type
}
break;
case 0x0a: /* ISO 639 language descriptor */
- for (i = 0; i + 4 <= desc_len; i += 4) {
+ for (i = 0; i + 3 <= desc_len; i += 3) {
language[i + 0] = get8(pp, desc_end);
language[i + 1] = get8(pp, desc_end);
language[i + 2] = get8(pp, desc_end);
language[i + 3] = ',';
+ if (i + 4 <= desc_len) {
switch (get8(pp, desc_end)) {
case 0x01:
st->disposition |= AV_DISPOSITION_CLEAN_EFFECTS;
@@ -1837,6 +1838,8 @@ int ff_parse_mpeg2_descriptor(AVFormatContext *fc,
AVStream *st, int stream_type
st->disposition |= AV_DISPOSITION_VISUAL_IMPAIRED;
break;
}
+ i++;
+ }
}
if (i && language[0]) {
language[i - 1] = 0;
--
1.7.10.4
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