Better tag support:

- Make ffplay show comments and copyright info besides the current track, title, author, album, year and genre.
- Makes the AVI demuxer parse the album name stores in the IPRD tag by the AVI muxer.
Patch by takis P issaris A uhasselt P be
Original thread:
[Ffmpeg-devel] [PATCH] Better tag support
Date: 09/06/06 16:58

Originally committed as revision 6186 to svn://svn.ffmpeg.org/ffmpeg/trunk

ffplay.c

@@ -1755,6 +1755,10 @@ static void dump_stream_info(const AVFormatContext *s)
         fprintf(stderr, "Title: %s\n", s->title);
     if (s->author[0] != '\0')
         fprintf(stderr, "Author: %s\n", s->author);
+    if (s->copyright[0] != '\0')
+        fprintf(stderr, "Copyright: %s\n", s->copyright);
+    if (s->comment[0] != '\0')
+        fprintf(stderr, "Comment: %s\n", s->comment);
     if (s->album[0] != '\0')
         fprintf(stderr, "Album: %s\n", s->album);
     if (s->year != 0)

libavformat/avidec.c

@@ -476,6 +476,9 @@ static int avi_read_header(AVFormatContext *s, AVFormatParameters *ap)
         case MKTAG('I', 'G', 'N', 'R'):
             avi_read_tag(pb, s->genre, sizeof(s->genre), size);
             break;
+        case MKTAG('I', 'P', 'R', 'D'):
+            avi_read_tag(pb, s->album, sizeof(s->album), size);
+            break;
         default:
             /* skip tag */
             size += (size & 1);