avformat/utils: Move av_format_inject_global_side_data to demux_utils.c

This function is only intended for demuxers (as calling it doesn't
have any observable effect for a muxer).

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

libavformat/demux_utils.c

@@ -73,3 +73,13 @@ AVChapter *avpriv_new_chapter(AVFormatContext *s, int64_t id, AVRational time_ba
 
     return chapter;
 }
+
+void av_format_inject_global_side_data(AVFormatContext *s)
+{
+    FFFormatContext *const si = ffformatcontext(s);
+    si->inject_global_side_data = 1;
+    for (unsigned i = 0; i < s->nb_streams; i++) {
+        AVStream *st = s->streams[i];
+        ffstream(st)->inject_global_side_data = 1;
+    }
+}

libavformat/utils.c

@@ -63,16 +63,6 @@ int ff_unlock_avformat(void)
     return ff_mutex_unlock(&avformat_mutex) ? -1 : 0;
 }
 
-void av_format_inject_global_side_data(AVFormatContext *s)
-{
-    FFFormatContext *const si = ffformatcontext(s);
-    si->inject_global_side_data = 1;
-    for (unsigned i = 0; i < s->nb_streams; i++) {
-        AVStream *st = s->streams[i];
-        ffstream(st)->inject_global_side_data = 1;
-    }
-}
-
 int ff_copy_whiteblacklists(AVFormatContext *dst, const AVFormatContext *src)
 {
     av_assert0(!dst->codec_whitelist &&