Merge commit 'fa3a5dd4dea34baa6bb2f7fe6006fc4b2888f2aa'

* commit 'fa3a5dd4dea34baa6bb2f7fe6006fc4b2888f2aa':
  nutdec: update AVFormatContext.event_flags with STREAM_/METADATA_UPDATED whenever metadata changes.

Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavformat/nutdec.c

@@ -484,9 +484,11 @@ static int decode_info_header(NUTContext *nut)
     int64_t value, end;
     char name[256], str_value[1024], type_str[256];
     const char *type;
+    int *event_flags;
     AVChapter *chapter      = NULL;
     AVStream *st            = NULL;
     AVDictionary **metadata = NULL;
+    int metadata_flag       = 0;
 
     end  = get_packetheader(nut, bc, 1, INFO_STARTCODE);
     end += avio_tell(bc);
@@ -507,8 +509,13 @@ static int decode_info_header(NUTContext *nut)
     } else if (stream_id_plus1) {
         st       = s->streams[stream_id_plus1 - 1];
         metadata = &st->metadata;
-    } else
+        event_flags = &st->event_flags;
+        metadata_flag = AVSTREAM_EVENT_FLAG_METADATA_UPDATED;
+    } else {
         metadata = &s->metadata;
+        event_flags = &s->event_flags;
+        metadata_flag = AVFMT_EVENT_FLAG_METADATA_UPDATED;
+    }
 
     for (i = 0; i < count; i++) {
         get_str(bc, name, sizeof(name));
@@ -552,10 +559,12 @@ static int decode_info_header(NUTContext *nut)
             }
 
             if (metadata && av_strcasecmp(name, "Uses") &&
-                av_strcasecmp(name, "Depends") && av_strcasecmp(name, "Replaces"))
+                av_strcasecmp(name, "Depends") && av_strcasecmp(name, "Replaces")) {
+                *event_flags |= metadata_flag;
                 av_dict_set(metadata, name, str_value, 0);
             }
         }
+    }
 
     if (skip_reserved(bc, end) || ffio_get_checksum(bc)) {
         av_log(s, AV_LOG_ERROR, "info header checksum mismatch\n");