ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinha...@outlook.com> | 
Mon Jun 14 22:07:56 2021 +0200| [e1836b191b8ce956bebf050e664975f2e0f92325] | 
committer: Andreas Rheinhardt

avcodec/libavcodec.v: Tighten export whitelist

Currently every symbol (with external linkage) that starts with "av" is
exported. Yet libaom-av1 has lots of functions that are not meant to be
exported and start with "av1_" (I counted 1236); and libvpx has
average_split_mvs. These functions are exported if one links these
libraries statically into a shared libavcodec.so.

Solve this by tightening the whitelist to "av_", "avcodec_", "avpriv_"
and (as a special-case) "avsubtitle_free".

Reviewed-by: Michael Niedermayer <mich...@niedermayer.cc>
Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e1836b191b8ce956bebf050e664975f2e0f92325
---

 libavcodec/libavcodec.v | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/libavcodec/libavcodec.v b/libavcodec/libavcodec.v
index f1d5e5bc77..d863e056a5 100644
--- a/libavcodec/libavcodec.v
+++ b/libavcodec/libavcodec.v
@@ -1,6 +1,9 @@
 LIBAVCODEC_MAJOR {
     global:
-        av*;
+        av_*;
+        avcodec_*;
+        avpriv_*;
+        avsubtitle_free;
     local:
         *;
 };

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