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jifmux: Merge xmp and tagsetter tags.

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When the current file already has tags, they shouldn't be ignored,
parse them and merge with the tagsetter ones.
This commit is contained in:
Thiago Santos 2010-05-07 12:42:23 -03:00
parent a9e4c64efa
commit 4e5c412234
1 changed files with 49 additions and 10 deletions
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59
gst/jpegformat/gstjifmux.c
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@ -336,7 +336,10 @@ static gboolean
gst_jif_mux_mangle_markers (GstJifMux * self)
{
gboolean modified = FALSE;
const GstTagList *tags;
const GstTagList *tagsetter_tags;
GstTagList *tags;
GstTagList *xmp_tags;
gboolean cleanup_tags = TRUE;
GstJifMuxMarker *m;
GList *node, *file_hdr = NULL, *frame_hdr = NULL, *scan_hdr = NULL;
GList *app0_jfif = NULL, *app1_exif = NULL, *app1_xmp = NULL, *com = NULL;
@ -433,6 +436,48 @@ gst_jif_mux_mangle_markers (GstJifMux * self)
/* else */
/* remove JFIF if exists */
/* get tags in the current file */
if (app1_xmp) {
GstJifMuxMarker *xmp_m;
GstBuffer *buf;
xmp_m = (GstJifMuxMarker *) app1_xmp->data;
buf = gst_buffer_new ();
GST_BUFFER_DATA (buf) = (guint8 *) xmp_m->data + 29;
GST_BUFFER_SIZE (buf) = xmp_m->size - 29;
xmp_tags = gst_tag_list_from_xmp_buffer (buf);
gst_buffer_unref (buf);
GST_DEBUG_OBJECT (self, "Found xmp tags: %" GST_PTR_FORMAT, tags);
} else {
xmp_tags = NULL;
}
tagsetter_tags = gst_tag_setter_get_tag_list (GST_TAG_SETTER (self));
if (xmp_tags) {
if (tagsetter_tags) {
tags = gst_tag_list_merge (tagsetter_tags, xmp_tags,
gst_tag_setter_get_tag_merge_mode (GST_TAG_SETTER (self)));
gst_tag_list_free (xmp_tags);
} else {
tags = xmp_tags;
}
xmp_tags = NULL;
} else {
tags = (GstTagList *) tagsetter_tags;
cleanup_tags = FALSE;
}
if (!tags) {
tags = gst_tag_list_new ();
}
/* FIXME: not happy with those
* - else where we would use VIDEO_CODEC = "Jpeg"
gst_tag_list_add (tags, GST_TAG_MERGE_REPLACE,
GST_TAG_VIDEO_CODEC, "image/jpeg", NULL);
*/
/* if we want combined or EXIF */
/* check if we don't have EXIF APP1 */
if (!app1_exif) {
@ -442,15 +487,7 @@ gst_jif_mux_mangle_markers (GstJifMux * self)
/* else */
/* remove EXIF if exists */
tags = gst_tag_setter_get_tag_list (GST_TAG_SETTER (self));
if (!tags) {
tags = gst_tag_list_new ();
}
/* FIXME: not happy with those
* - else where we would use VIDEO_CODEC = "Jpeg"
gst_tag_list_add (tags, GST_TAG_MERGE_REPLACE,
GST_TAG_VIDEO_CODEC, "image/jpeg", NULL);
*/
GST_DEBUG_OBJECT (self, "Merged tags: %" GST_PTR_FORMAT, tags);
/* add xmp */
xmp_data = gst_tag_list_to_xmp_buffer (tags, FALSE);
@ -500,6 +537,8 @@ gst_jif_mux_mangle_markers (GstJifMux * self)
modified = TRUE;
}
if (cleanup_tags && tags)
gst_tag_list_free (tags);
return modified;
}