avformat/nutdec: always initialize event_flags

[ffmpeg] / libavformat / nutdec.c

diff --git a/libavformat/nutdec.c b/libavformat/nutdec.c
index 8a4fe4c43d1a827caf131bb9ae3c86a32c07ff98..1b00cdb95479249f41008a679c1a597c3e7d90a9 100644 (file)
--- a/libavformat/nutdec.c
+++ b/libavformat/nutdec.c
@@ -146,7 +146,7 @@ static uint64_t find_any_startcode(AVIOContext *bc, int64_t pos)
         /* Note, this may fail if the stream is not seekable, but that should
          * not matter, as in this case we simply start where we currently are */
         avio_seek(bc, pos, SEEK_SET);
-    while (!url_feof(bc)) {
+    while (!avio_feof(bc)) {
         state = (state << 8) | avio_r8(bc);
         if ((state >> 56) != 'N')
             continue;
@@ -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 = NULL;
     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));
@@ -552,8 +559,11 @@ 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")) {
+                if (event_flags)
+                    *event_flags |= metadata_flag;
                 av_dict_set(metadata, name, str_value, 0);
+            }
         }
     }
 
@@ -1056,7 +1066,7 @@ static int nut_read_packet(AVFormatContext *s, AVPacket *pkt)
             pos -= 8;
         } else {
             frame_code = avio_r8(bc);
-            if (url_feof(bc))
+            if (avio_feof(bc))
                 return AVERROR_EOF;
             if (frame_code == 'N') {
                 tmp = frame_code;