On Tue, Sep 09, 2025 at 02:38:53PM +0200, Jerome Martinez via ffmpeg-devel wrote:
>  libavformat/matroskaenc.c     |    8 +++----
>  tests/ref/lavf/mka            |    4 +--
>  tests/ref/lavf/mkv            |    4 +--
>  tests/ref/lavf/mkv_attachment |    4 +--
>  tests/ref/seek/lavf-mkv       |   44 +++++++++++++++++++++---------------------
>  5 files changed, 32 insertions(+), 32 deletions(-)
> 5640f0c46b6393637f17285da9bfbc84266c5054  0001-matroskaenc-remove-unused-MaxBlockAdditionID.patch
> >From 305cce5e1db5e6ae48497398bec024da206b9035 Mon Sep 17 00:00:00 2001
> From: Jerome Martinez <jerome@mediaarea.net>
> Date: Wed, 3 Sep 2025 19:54:10 +0200
> Subject: [PATCH 1/7] matroskaenc: remove unused MaxBlockAdditionID
> 
> For non video tracks: it is never used, let's save 4 bytes
> For video tracks: simplify the temporary storage with only a void element and MaxBlockAdditionID will be written when finishing the track if needed (not the default value)
> ---
>  libavformat/matroskaenc.c     |  8 +++----
>  tests/ref/lavf/mka            |  4 ++--
>  tests/ref/lavf/mkv            |  4 ++--
>  tests/ref/lavf/mkv_attachment |  4 ++--
>  tests/ref/seek/lavf-mkv       | 44 +++++++++++++++++------------------
>  5 files changed, 32 insertions(+), 32 deletions(-)

seems to break fate:

make -j32 fate-shortest-sub

--- ./tests/ref/fate/shortest-sub	2025-09-11 20:05:21.708975764 +0200
+++ tests/data/fate/shortest-sub	2025-09-12 16:44:16.370841163 +0200
@@ -1,5 +1,5 @@
-d6608277c93097383e62388196dc62f0 *tests/data/fate/shortest-sub.matroska
-139260 tests/data/fate/shortest-sub.matroska
+24443d70a3750ce14b918a6e3d9e9926 *tests/data/fate/shortest-sub.matroska
+139256 tests/data/fate/shortest-sub.matroska
 #extradata 1:      167, 0xf7272d5f
 #tb 0: 1/1000
 #media_type 0: video
Test shortest-sub failed. Look at tests/data/fate/shortest-sub.err for details.
make: *** [tests/Makefile:321: fate-shortest-sub] Error 1

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

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