File 929e5159bc13da374b83f5627879c607acce180b.patch of Package ffmpeg-4

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File 929e5159bc13da374b83f5627879c607acce180b.patch of Package ffmpeg-4 (Revision 829a6b1e5450ba974b2d1c20d30948d5)

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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);

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File 929e5159bc13da374b83f5627879c607acce180b.patch of Package ffmpeg-4 (Revision 829a6b1e5450ba974b2d1c20d30948d5)

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