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gst/id3demux/: Handle 0 data size in otherwise valid frames.

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Original commit message from CVS:
* gst/id3demux/id3tags.c: (id3demux_id3v2_frames_to_tag_list):
* gst/id3demux/id3v2frames.c: (id3v2_genre_fields_to_taglist):
Handle 0 data size in otherwise valid frames.
Handle numeric strings in 2.4.0 even when not in parentheses
This commit is contained in:
Jan Schmidt 2006-02-18 20:48:09 +00:00
parent d9f6178249
commit c64021f87d
3 changed files with 14 additions and 3 deletions
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7
ChangeLog
View file

@ -1,3 +1,10 @@
2006-02-18 Jan Schmidt <thaytan@mad.scientist.com>
* gst/id3demux/id3tags.c: (id3demux_id3v2_frames_to_tag_list):
* gst/id3demux/id3v2frames.c: (id3v2_genre_fields_to_taglist):
Handle 0 data size in otherwise valid frames.
Handle numeric strings in 2.4.0 even when not in parentheses
2006-02-18 Tim-Philipp Müller <tim at centricular dot net>
* gst/matroska/matroska-demux.c:

6
gst/id3demux/id3tags.c
View file

@ -333,6 +333,7 @@ id3demux_id3v2_frames_to_tag_list (ID3TagsWorking * work, guint size)
work->hdr.ext_hdr_size = read_synch_uint (work->hdr.frame_data, 4);
if (work->hdr.ext_hdr_size < 6 ||
(work->hdr.ext_hdr_size) > work->hdr.frame_data_size) {
GST_DEBUG ("Invalid extended header. Broken tag");
return ID3TAGS_BROKEN_TAG;
}
work->hdr.ext_flag_bytes = work->hdr.frame_data[4];
@ -400,6 +401,8 @@ id3demux_id3v2_frames_to_tag_list (ID3TagsWorking * work, guint size)
if (ID3V2_VER_MAJOR (work->hdr.version) == 3) {
frame_flags &= ID3V2_3_FRAME_FLAGS_MASK;
obsolete_id = convert_fid_to_v240 (frame_id);
if (obsolete_id)
GST_DEBUG ("Ignoring v2.3 frame %s", frame_id);
}
break;
}
@ -407,8 +410,7 @@ id3demux_id3v2_frames_to_tag_list (ID3TagsWorking * work, guint size)
work->hdr.frame_data += frame_hdr_size;
work->hdr.frame_data_size -= frame_hdr_size;
if (frame_size > work->hdr.frame_data_size ||
frame_size == 0 || strcmp (frame_id, "") == 0)
if (frame_size > work->hdr.frame_data_size || strcmp (frame_id, "") == 0)
break; /* No more frames to read */
#if 1

4
gst/id3demux/id3v2frames.c
View file

@ -420,7 +420,9 @@ id3v2_genre_fields_to_taglist (ID3TagsWorking * work, const gchar * tag_name,
continue;
len = strlen (tag_str);
if (work->hdr.version <= 0x300) { /* <= 2.3.0 */
/* Only supposed to see '(n)' type numeric genre strings in ID3 <= 2.3.0
* but apparently we see them in 2.4.0 sometimes too */
if (TRUE || work->hdr.version <= 0x300) { /* <= 2.3.0 */
/* Check for genre numbers wrapped in parentheses, possibly
* followed by a string */
while (len >= 2) {