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tag: id3v2: Adjust for data length indicators when parsing (Fixes #329810)

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Original commit message from CVS:
* gst-libs/gst/tag/id3v2frames.c: (id3demux_id3v2_parse_frame),
(parse_split_strings):
Adjust for data length indicators when parsing (Fixes #329810)
Fix stupid bug parsing UTF-8 tag text.
Output tag strings with multiple fields as multiple tags, so the
app gets all the data.
This commit is contained in:
Jan Schmidt 2006-02-04 13:30:12 +00:00 committed by Tim-Philipp Müller
parent 207f8e9f23
commit 05a5fd1e51
1 changed files with 14 additions and 9 deletions
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23
gst-libs/gst/tag/id3v2frames.c
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@ -100,8 +100,9 @@ id3demux_id3v2_parse_frame (ID3TagsWorking * work)
frame_data_size);
return FALSE;
}
} else
work->parse_size = frame_data_size;
}
work->parse_size = frame_data_size;
if (work->frame_flags & ID3V2_FRAME_FORMAT_COMPRESSION) {
#ifdef HAVE_ZLIB
@ -130,7 +131,7 @@ id3demux_id3v2_parse_frame (ID3TagsWorking * work)
return FALSE;
#endif
} else {
work->parse_data = work->hdr.frame_data;
work->parse_data = frame_data;
}
if (work->frame_id[0] == 'T') {
@ -151,9 +152,8 @@ id3demux_id3v2_parse_frame (ID3TagsWorking * work)
/* Unique file identifier */
}
if (work->frame_flags & ID3V2_FRAME_FORMAT_COMPRESSION) {
if (work->frame_flags & ID3V2_FRAME_FORMAT_COMPRESSION)
g_free (work->parse_data);
}
if (tag_str != NULL) {
/* g_print ("Tag %s value %s\n", tag_name, tag_str); */
@ -165,8 +165,13 @@ id3demux_id3v2_parse_frame (ID3TagsWorking * work)
/* Genre strings need special treatment */
result |= id3v2_genre_fields_to_taglist (work, tag_name, tag_fields);
} else {
tag_str = g_array_index (tag_fields, gchar *, 0);
result |= id3v2_tag_to_taglist (work, tag_name, tag_str);
gint t;
for (t = 0; t < tag_fields->len; t++) {
tag_str = g_array_index (tag_fields, gchar *, t);
if (tag_str != NULL && tag_str[0] != '\0')
result |= id3v2_tag_to_taglist (work, tag_name, tag_str);
}
}
free_tag_strings (tag_fields);
}
@ -484,7 +489,7 @@ parse_split_strings (guint8 encoding, gchar * data, gint data_size,
break;
case ID3V2_ENCODING_UTF8:
for (prev = 0, text_pos = 0; text_pos < data_size; text_pos++) {
if (data[text_pos]) {
if (data[text_pos] == '\0') {
field = g_strndup (data + prev, text_pos - prev + 1);
if (field)
g_array_append_val (fields, field);
@ -502,7 +507,7 @@ parse_split_strings (guint8 encoding, gchar * data, gint data_size,
{
/* Find '\0\0' terminator */
for (text_pos = 0; text_pos < data_size - 1; text_pos += 2) {
if (data[text_pos] == 0 && data[text_pos + 1] == 0) {
if (data[text_pos] == '\0' && data[text_pos + 1] == '\0') {
/* found a delimiter */
if (encoding == ID3V2_ENCODING_UTF16) {
field = g_convert (data + prev, text_pos - prev + 2,