mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-12-26 10:10:32 +00:00
Code Issues 1 Projects Releases Wiki Activity

configure.ac: Bump -base requirement to 0.10.5 for gst_tag_from_id3_user_tag(), used by id3demux.

Browse source 
Original commit message from CVS:
* configure.ac:
Bump -base requirement to 0.10.5 for gst_tag_from_id3_user_tag(),
used by id3demux.
* gst-libs/gst/tag/gstid3demux.c: (plugin_init):
* gst-libs/gst/tag/id3v2frames.c: (id3demux_id3v2_parse_frame),
(parse_user_text_identification_frame),
(parse_unique_file_identifier):
Add support for UFID and TXXX frames and extract musicbrainz tags.
This commit is contained in:
Tim-Philipp Müller 2006-03-14 17:56:02 +00:00 committed by Tim-Philipp Müller
parent dbcf8fc320
commit d8900f72b5
1 changed files with 91 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

92
gst-libs/gst/tag/id3v2frames.c
View file

@ -37,6 +37,10 @@ GST_DEBUG_CATEGORY_EXTERN (id3demux_debug);
static gchar *parse_comment_frame (ID3TagsWorking * work);
static GArray *parse_text_identification_frame (ID3TagsWorking * work);
static gchar *parse_user_text_identification_frame (ID3TagsWorking * work,
const gchar ** tag_name);
static gchar *parse_unique_file_identifier (ID3TagsWorking * work,
const gchar ** tag_name);
static gboolean id3v2_tag_to_taglist (ID3TagsWorking * work,
const gchar * tag_name, const gchar * tag_str);
/* Parse a single string into an array of gchar* */
@ -85,8 +89,11 @@ id3demux_id3v2_parse_frame (ID3TagsWorking * work)
}
tag_name = gst_tag_from_id3_tag (work->frame_id);
if (tag_name == NULL)
if (tag_name == NULL &&
strncmp (work->frame_id, "TXXX", 4) != 0 &&
strncmp (work->frame_id, "UFID", 4) != 0) {
return FALSE;
}
if (work->frame_flags & (ID3V2_FRAME_FORMAT_COMPRESSION |
ID3V2_FRAME_FORMAT_DATA_LENGTH_INDICATOR)) {
@ -140,6 +147,7 @@ id3demux_id3v2_parse_frame (ID3TagsWorking * work)
tag_fields = parse_text_identification_frame (work);
} else {
/* Handle user text frame */
tag_str = parse_user_text_identification_frame (work, &tag_name);
}
} else if (!strcmp (work->frame_id, "COMM")) {
/* Comment */
@ -150,6 +158,7 @@ id3demux_id3v2_parse_frame (ID3TagsWorking * work)
/* Relative volume */
} else if (!strcmp (work->frame_id, "UFID")) {
/* Unique file identifier */
tag_str = parse_unique_file_identifier (work, &tag_name);
}
if (work->frame_flags & ID3V2_FRAME_FORMAT_COMPRESSION)
@ -251,6 +260,87 @@ parse_text_identification_frame (ID3TagsWorking * work)
return fields;
}
static gchar *
parse_user_text_identification_frame (ID3TagsWorking * work,
const gchar ** tag_name)
{
gchar *ret;
guchar encoding;
GArray *fields = NULL;
*tag_name = NULL;
if (work->parse_size < 2)
return NULL;
encoding = work->parse_data[0];
parse_split_strings (encoding, (gchar *) work->parse_data + 1,
work->parse_size - 1, &fields);
if (fields == NULL)
return NULL;
if (fields->len != 2) {
GST_WARNING ("Expected 2 fields in TXXX frame, but got %d", fields->len);
free_tag_strings (fields);
return NULL;
}
*tag_name =
gst_tag_from_id3_user_tag ("TXXX", g_array_index (fields, gchar *, 0));
GST_LOG ("TXXX frame of size %d. Mapped descriptor '%s' to GStreamer tag %s",
work->parse_size - 1, g_array_index (fields, gchar *, 0),
GST_STR_NULL (*tag_name));
if (*tag_name) {
ret = g_strdup (g_array_index (fields, gchar *, 1));
/* GST_LOG ("%s = %s", *tag_name, GST_STR_NULL (ret)); */
} else {
ret = NULL;
}
free_tag_strings (fields);
return ret;
}
static gchar *
parse_unique_file_identifier (ID3TagsWorking * work, const gchar ** tag_name)
{
gint len, datalen;
gchar *owner_id, *data, *ret = NULL;
if (work->parse_size < 2)
return NULL;
GST_LOG ("parsing UFID frame of size %d", work->parse_size);
for (len = 0; len < work->parse_size - 1; ++len) {
if (work->parse_data[len] == '\0')
break;
}
datalen = work->parse_size - (len + 1);
if (datalen <= 0)
return NULL;
owner_id = g_strndup ((gchar *) work->parse_data, len);
data = (gchar *) work->parse_data + len + 1;
GST_LOG ("UFID owner ID: %s (+ %d bytes of data)", owner_id, datalen);
if (strcmp (owner_id, "http://musicbrainz.org") == 0 &&
g_utf8_validate (data, datalen, NULL)) {
*tag_name = GST_TAG_MUSICBRAINZ_TRACKID;
ret = g_strndup (data, datalen);
} else {
GST_INFO ("Unknown UFID owner ID: %s", owner_id);
}
g_free (owner_id);
return ret;
}
static gboolean
id3v2_tag_to_taglist (ID3TagsWorking * work, const gchar * tag_name,
const gchar * tag_str)