static bool_t id3v24_write_tag (const Tuple * tuple, VFSFile * f)
{
int version, header_size, data_size, footer_size;
bool_t syncsafe;
int64_t offset;
if (! read_header (f, & version, & syncsafe, & offset, & header_size,
& data_size, & footer_size))
return FALSE;
//read all frames into generic frames;
GHashTable * dict = g_hash_table_new_full (g_str_hash, g_str_equal,
(GDestroyNotify) str_unref, (GDestroyNotify) free_frame_list);
read_all_frames (f, version, syncsafe, data_size, dict);
//make the new frames from tuple and replace in the dictionary the old frames with the new ones
add_frameFromTupleStr (tuple, FIELD_TITLE, ID3_TITLE, dict);
add_frameFromTupleStr (tuple, FIELD_ARTIST, ID3_ARTIST, dict);
add_frameFromTupleStr (tuple, FIELD_ALBUM, ID3_ALBUM, dict);
add_frameFromTupleInt (tuple, FIELD_YEAR, ID3_YEAR, dict);
add_frameFromTupleInt (tuple, FIELD_TRACK_NUMBER, ID3_TRACKNR, dict);
add_frameFromTupleStr (tuple, FIELD_GENRE, ID3_GENRE, dict);
char * comment = tuple_get_str (tuple, FIELD_COMMENT);
add_comment_frame (comment, dict);
str_unref (comment);
if (! offset)
{
if (! cut_beginning_tag (f, header_size + data_size + footer_size))
goto ERR;
}
else
{
if (offset + header_size + data_size + footer_size != vfs_fsize (f))
goto ERR;
if (vfs_ftruncate (f, offset))
goto ERR;
}
offset = vfs_fsize (f);
if (offset < 0 || vfs_fseek (f, offset, SEEK_SET) || ! write_header (f, 0,
FALSE))
goto ERR;
data_size = write_all_frames (f, dict);
if (! write_header (f, data_size, TRUE) || vfs_fseek (f, offset, SEEK_SET)
|| ! write_header (f, data_size, FALSE))
goto ERR;
g_hash_table_destroy (dict);
return TRUE;
ERR:
g_hash_table_destroy (dict);
return FALSE;
}
static gboolean id3v24_write_tag (const Tuple * tuple, VFSFile * f)
{
gint version, header_size, data_size, footer_size;
gboolean syncsafe;
gint64 offset;
if (! read_header (f, & version, & syncsafe, & offset, & header_size,
& data_size, & footer_size))
return FALSE;
//read all frames into generic frames;
mowgli_dictionary_t * dict = mowgli_dictionary_create (strcasecmp);
read_all_frames (f, version, syncsafe, data_size, dict);
//make the new frames from tuple and replace in the dictionary the old frames with the new ones
add_frameFromTupleStr (tuple, FIELD_TITLE, ID3_TITLE, dict);
add_frameFromTupleStr (tuple, FIELD_ARTIST, ID3_ARTIST, dict);
add_frameFromTupleStr (tuple, FIELD_ALBUM, ID3_ALBUM, dict);
add_frameFromTupleInt (tuple, FIELD_YEAR, ID3_YEAR, dict);
add_frameFromTupleInt (tuple, FIELD_TRACK_NUMBER, ID3_TRACKNR, dict);
add_frameFromTupleStr (tuple, FIELD_GENRE, ID3_GENRE, dict);
add_comment_frame (tuple_get_string (tuple, FIELD_COMMENT, NULL), dict);
if (! offset)
{
if (! cut_beginning_tag (f, header_size + data_size + footer_size))
goto ERR;
}
else
{
if (offset + header_size + data_size + footer_size != vfs_fsize (f))
goto ERR;
if (vfs_ftruncate (f, offset))
goto ERR;
}
offset = vfs_fsize (f);
if (offset < 0 || vfs_fseek (f, offset, SEEK_SET) || ! write_header (f, 0,
FALSE))
goto ERR;
data_size = writeAllFramesToFile (f, dict);
if (! write_header (f, data_size, TRUE) || vfs_fseek (f, offset, SEEK_SET)
|| ! write_header (f, data_size, FALSE))
goto ERR;
mowgli_dictionary_destroy (dict, free_frame_cb, NULL);
return TRUE;
ERR:
mowgli_dictionary_destroy (dict, free_frame_cb, NULL);
return FALSE;
}