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ffmpeg-4/929e5159bc13da374b83f5627879c607acce180b.patch

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From 929e5159bc13da374b83f5627879c607acce180b Mon Sep 17 00:00:00 2001
From: Gilles Bouthenot <misc@atomas.com>
Date: Wed, 8 Jan 2020 19:47:55 +0100
Subject: [PATCH] avformat/id3v2enc: fix bad ID3v2 tag length
---
libavformat/id3v2enc.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
Index: ffmpeg-4.2.1/libavformat/id3v2enc.c
===================================================================
--- ffmpeg-4.2.1.orig/libavformat/id3v2enc.c
+++ ffmpeg-4.2.1/libavformat/id3v2enc.c
@@ -268,15 +268,15 @@ static int write_ctoc(AVFormatContext *s
if ((ret = avio_open_dyn_buf(&dyn_bc)) < 0)
goto fail;
- id3->len += avio_put_str(dyn_bc, "toc");
+ avio_put_str(dyn_bc, "toc");
avio_w8(dyn_bc, 0x03);
avio_w8(dyn_bc, s->nb_chapters);
for (int i = 0; i < s->nb_chapters; i++) {
snprintf(name, 122, "ch%d", i);
- id3->len += avio_put_str(dyn_bc, name);
+ avio_put_str(dyn_bc, name);
}
len = avio_close_dyn_buf(dyn_bc, &dyn_buf);
- id3->len += 16 + ID3v2_HEADER_SIZE;
+ id3->len += len + ID3v2_HEADER_SIZE;
avio_wb32(s->pb, MKBETAG('C', 'T', 'O', 'C'));
avio_wb32(s->pb, len);