avformat: Constify all muxer/demuxers

[ffmpeg] / libavformat / ttmlenc.c

diff --git a/libavformat/ttmlenc.c b/libavformat/ttmlenc.c
index 34a0107a1472a222df2a41582149c52e1342fbb9..7577cb543bef5a36817ed17a9f3e914585d8b432 100644 (file)
--- a/libavformat/ttmlenc.c
+++ b/libavformat/ttmlenc.c
@@ -219,7 +219,7 @@ static int ttml_write_trailer(AVFormatContext *ctx)
     return 0;
 }
 
-AVOutputFormat ff_ttml_muxer = {
+const AVOutputFormat ff_ttml_muxer = {
     .name              = "ttml",
     .long_name         = NULL_IF_CONFIG_SMALL("TTML subtitle"),
     .extensions        = "ttml",