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vorbistag: Store cover art in vorbiscomments

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Fixes bug #513373.
This commit is contained in:
John Millikin 2009-05-07 14:48:29 +02:00 committed by Sebastian Dröge
parent e1875bf25f
commit ef473dd0ae
1 changed files with 46 additions and 0 deletions
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46
gst-libs/gst/tag/gstvorbistag.c
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@ -460,6 +460,40 @@ typedef struct
}
MyForEach;
static GList *
gst_tag_to_coverart (const GValue * image_value)
{
gchar *coverart_data, *data_result, *mime_result;
const gchar *mime_type;
GstStructure *mime_struct;
GstBuffer *buffer;
GList *l = NULL;
g_return_val_if_fail (image_value != NULL, NULL);
buffer = gst_value_get_buffer (image_value);
g_return_val_if_fail (gst_caps_is_fixed (buffer->caps), NULL);
mime_struct = gst_caps_get_structure (buffer->caps, 0);
mime_type = gst_structure_get_name (mime_struct);
if (strcmp (mime_type, "text/uri-list") == 0) {
/* URI reference */
coverart_data = g_strndup ((gchar *) buffer->data, buffer->size);
mime_type = "-->";
} else {
coverart_data = g_base64_encode (buffer->data, buffer->size);
}
data_result = g_strdup_printf ("COVERART=%s", coverart_data);
mime_result = g_strdup_printf ("COVERARTMIME=%s", mime_type);
g_free (coverart_data);
l = g_list_append (l, data_result);
l = g_list_append (l, mime_result);
return l;
}
/**
* gst_tag_to_vorbis_comments:
* @list: a #GstTagList
@ -481,6 +515,18 @@ gst_tag_to_vorbis_comments (const GstTagList * list, const gchar * tag)
g_return_val_if_fail (list != NULL, NULL);
g_return_val_if_fail (tag != NULL, NULL);
/* Special case: cover art is split into two tags to store data and
* MIME-type. Even if the tag list contains multiple entries, there is
* no reasonable way to save more than one.
* If both, preview image and image, are present we prefer the
* image tag.
*/
if ((strcmp (tag, GST_TAG_PREVIEW_IMAGE) == 0 &&
gst_tag_list_get_tag_size (list, GST_TAG_IMAGE) == 0) ||
strcmp (tag, GST_TAG_IMAGE) == 0) {
return gst_tag_to_coverart (gst_tag_list_get_value_index (list, tag, 0));
}
if (strcmp (tag, GST_TAG_EXTENDED_COMMENT) != 0) {
vorbis_tag = gst_tag_to_vorbis_tag (tag);
if (!vorbis_tag)