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gst/id3demux/id3tags.c: ID3 2.3.0 used synch-safe integers for the tag size, but not for the frame size. (Fixes #331368)

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Original commit message from CVS:
* gst/id3demux/id3tags.c: (id3demux_id3v2_frames_to_tag_list):
ID3 2.3.0 used synch-safe integers for the tag size, but not for the
frame size. (Fixes #331368)
This commit is contained in:
Jan Schmidt 2006-02-16 10:58:18 +00:00
parent d465618d5b
commit cfafeaf4da
2 changed files with 18 additions and 4 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2006-02-16 Jan Schmidt <thaytan@mad.scientist.com>
* gst/id3demux/id3tags.c: (id3demux_id3v2_frames_to_tag_list):
ID3 2.3.0 used synch-safe integers for the tag size, but not for the
frame size. (Fixes #331368)
2006-02-16 Wim Taymans <wim@fluendo.com>
* gst/rtsp/README:

16
gst/id3demux/id3tags.c
View file

@ -362,6 +362,7 @@ id3demux_id3v2_frames_to_tag_list (ID3TagsWorking * work, guint size)
gchar frame_id[5] = "";
guint16 frame_flags = 0x0;
gboolean obsolete_id = FALSE;
gboolean read_synch_size = TRUE;
/* Read the header */
switch (ID3V2_VER_MAJOR (work->hdr.version)) {
@ -375,10 +376,13 @@ id3demux_id3v2_frames_to_tag_list (ID3TagsWorking * work, guint size)
frame_id[4] = 0;
obsolete_id = convert_fid_to_v240 (frame_id);
frame_size = read_synch_uint (work->hdr.frame_data + 3, 3);
/* 3 byte non-synchsafe size */
frame_size = work->hdr.frame_data[3] << 16 |
work->hdr.frame_data[4] << 8 | work->hdr.frame_data[5];
frame_flags = 0;
break;
case 3:
read_synch_size = FALSE; /* 2.3 frame size is not synch-safe */
case 4:
default:
frame_id[0] = work->hdr.frame_data[0];
@ -386,7 +390,11 @@ id3demux_id3v2_frames_to_tag_list (ID3TagsWorking * work, guint size)
frame_id[2] = work->hdr.frame_data[2];
frame_id[3] = work->hdr.frame_data[3];
frame_id[4] = 0;
frame_size = read_synch_uint (work->hdr.frame_data + 4, 4);
if (read_synch_size)
frame_size = read_synch_uint (work->hdr.frame_data + 4, 4);
else
frame_size = GST_READ_UINT32_BE (work->hdr.frame_data + 4);
frame_flags = GST_READ_UINT16_BE (work->hdr.frame_data + 8);
if (ID3V2_VER_MAJOR (work->hdr.version) == 3) {
@ -403,8 +411,8 @@ id3demux_id3v2_frames_to_tag_list (ID3TagsWorking * work, guint size)
frame_size == 0 || strcmp (frame_id, "") == 0)
break; /* No more frames to read */
#if 0
g_print
#if 1
GST_LOG
("Frame @ %d (0x%02x) id %s size %d, next=%d (0x%02x) obsolete=%d\n",
work->hdr.frame_data - start, work->hdr.frame_data - start, frame_id,
frame_size, work->hdr.frame_data + frame_hdr_size + frame_size - start,