Fix chapter embedding (#48)

README.md

@@ -39,6 +39,10 @@ These patches have been applied to the builds:
 by [@tpikonen](https://github.com/tpikonen).
 Fixes [yt-dlp#4127](https://github.com/yt-dlp/yt-dlp/issues/4127), [FFmpeg#8684](https://trac.ffmpeg.org/ticket/8684)
 
+### 2. Chapter embedding regression
+
+by [@bashonly](https://github.com/bashonly).
+Fixes [FFmpeg#10482](https://trac.ffmpeg.org/ticket/10482)
 
 
 ## Release-only patches

patches/ffmpeg/master/0002-Revert-fftools-ffmpeg_mux_init-Use-all-metadata-sele.patch

@@ -0,0 +1,33 @@
+From 4629460590960d09ad5ac06c9bd34b45836b290b Mon Sep 17 00:00:00 2001
+From: bashonly <[email protected]>
+Date: Sat, 21 Oct 2023 23:51:48 +0300
+Subject: [PATCH 1/2] Revert "fftools/ffmpeg_mux_init: Use all metadata
+ selectors if none is specified."
+
+This reverts commit 653ee3f159411a1b97c19b96393a39f29569ed99.
+---
+ fftools/ffmpeg_mux_init.c | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/fftools/ffmpeg_mux_init.c b/fftools/ffmpeg_mux_init.c
+index ab2d1d89e4..4cf18b4f02 100644
+--- a/fftools/ffmpeg_mux_init.c
++++ b/fftools/ffmpeg_mux_init.c
+@@ -2182,11 +2182,11 @@ static int copy_metadata(Muxer *mux, AVFormatContext *ic,
+     if (ret < 0)
+         return ret;
+
+-    if (type_in == 'g' || type_out == 'g' || !*outspec)
++    if (type_in == 'g' || type_out == 'g')
+         *metadata_global_manual = 1;
+-    if (type_in == 's' || type_out == 's' || !*outspec)
++    if (type_in == 's' || type_out == 's')
+         *metadata_streams_manual = 1;
+-    if (type_in == 'c' || type_out == 'c' || !*outspec)
++    if (type_in == 'c' || type_out == 'c')
+         *metadata_chapters_manual = 1;
+
+     /* ic is NULL when just disabling automatic mappings */
+-- 
+2.39.2
+

patches/ffmpeg/master/0003-Revert-fftools-ffmpeg_mux_init-drop-a-duplicated-blo.patch

@@ -0,0 +1,35 @@
+From 76899a7a6dbdee5b85a2cc17942e9fef9abdf73e Mon Sep 17 00:00:00 2001
+From: bashonly <[email protected]>
+Date: Sat, 21 Oct 2023 23:51:55 +0300
+Subject: [PATCH 2/2] Revert "fftools/ffmpeg_mux_init: drop a duplicated block
+ in copy_metadata()"
+
+This reverts commit 3c7dd5ed37da6d2de06c4850de5a319ca9cdd47f.
+---
+ fftools/ffmpeg_mux_init.c | 10 ++++++++++
+ 1 file changed, 10 insertions(+)
+
+diff --git a/fftools/ffmpeg_mux_init.c b/fftools/ffmpeg_mux_init.c
+index 4cf18b4f02..4664ad9baa 100644
+--- a/fftools/ffmpeg_mux_init.c
++++ b/fftools/ffmpeg_mux_init.c
+@@ -2182,6 +2182,16 @@ static int copy_metadata(Muxer *mux, AVFormatContext *ic,
+     if (ret < 0)
+         return ret;
+
++    if (!ic) {
++        if (type_out == 'g' || !*outspec)
++            *metadata_global_manual = 1;
++        if (type_out == 's' || !*outspec)
++            *metadata_streams_manual = 1;
++        if (type_out == 'c' || !*outspec)
++            *metadata_chapters_manual = 1;
++        return 0;
++    }
++
+     if (type_in == 'g' || type_out == 'g')
+         *metadata_global_manual = 1;
+     if (type_in == 's' || type_out == 's')
+-- 
+2.39.2
+

patches/ffmpeg/release/6.0/0003-Revert-fftools-ffmpeg_mux_init-drop-a-duplicated-blo.patch

@@ -0,0 +1,35 @@
+From 71b32fb6b36188c699b169af49a3ddb2f71bddf3 Mon Sep 17 00:00:00 2001
+From: bashonly <[email protected]>
+Date: Sun, 22 Oct 2023 12:58:53 +0300
+Subject: [PATCH] Revert "fftools/ffmpeg_mux_init: drop a duplicated block in
+ copy_metadata()"
+
+This reverts commit 3c7dd5ed37da6d2de06c4850de5a319ca9cdd47f.
+---
+ fftools/ffmpeg_mux_init.c | 10 ++++++++++
+ 1 file changed, 10 insertions(+)
+
+diff --git a/fftools/ffmpeg_mux_init.c b/fftools/ffmpeg_mux_init.c
+index e42d5ff26a..1a9611d19d 100644
+--- a/fftools/ffmpeg_mux_init.c
++++ b/fftools/ffmpeg_mux_init.c
+@@ -1822,6 +1822,16 @@ static int copy_metadata(Muxer *mux, AVFormatContext *ic,
+     parse_meta_type(mux, inspec,  &type_in,  &idx_in,  &istream_spec);
+     parse_meta_type(mux, outspec, &type_out, &idx_out, &ostream_spec);
+
++    if (!ic) {
++        if (type_out == 'g' || !*outspec)
++            *metadata_global_manual = 1;
++        if (type_out == 's' || !*outspec)
++            *metadata_streams_manual = 1;
++        if (type_out == 'c' || !*outspec)
++            *metadata_chapters_manual = 1;
++        return 0;
++    }
++
+     if (type_in == 'g' || type_out == 'g')
+         *metadata_global_manual = 1;
+     if (type_in == 's' || type_out == 's')
+-- 
+2.39.2
+