[FFmpeg-cvslog] avformat/ac4dec: Constify demuxer

[Andreas Rheinhardt]

ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinhardt at outlook.com> | Thu Jun 29 20:16:14 2023 +0200| [f780e07149bc3aec592e74c5eb2ee6acaa719127] | committer: Andreas Rheinhardt

avformat/ac4dec: Constify demuxer

The discrepancy between the definition and the declaration
in allformats.c is actually UB.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f780e07149bc3aec592e74c5eb2ee6acaa719127
---

 libavformat/ac4dec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/ac4dec.c b/libavformat/ac4dec.c
index eb7bbaa655..71950f52dc 100644
--- a/libavformat/ac4dec.c
+++ b/libavformat/ac4dec.c
@@ -93,7 +93,7 @@ static int ac4_read_packet(AVFormatContext *s, AVPacket *pkt)
     return ret;
 }
 
-AVInputFormat ff_ac4_demuxer = {
+const AVInputFormat ff_ac4_demuxer = {
     .name           = "ac4",
     .long_name      = NULL_IF_CONFIG_SMALL("raw AC-4"),
     .read_probe     = ac4_probe,