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jpegparse: Small optimization on tags parsing

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Optimize a little avoiding copying a taglist when parsing xmp/exif
data.
This commit is contained in:
Thiago Santos 2010-11-22 17:43:12 -03:00
parent 8d5cfc6511
commit 7622328aab
1 changed files with 14 additions and 10 deletions
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12
gst/jpegformat/gstjpegparse.c
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@ -594,11 +594,13 @@ gst_jpeg_parse_read_header (GstJpegParse * parse, GstBuffer * buffer)
if (tags) { if (tags) {
GST_INFO_OBJECT (parse, "got exif metadata"); GST_INFO_OBJECT (parse, "got exif metadata");
if (!parse->priv->tags) if (parse->priv->tags) {
parse->priv->tags = gst_tag_list_new ();
gst_tag_list_insert (parse->priv->tags, tags, gst_tag_list_insert (parse->priv->tags, tags,
GST_TAG_MERGE_REPLACE); GST_TAG_MERGE_REPLACE);
gst_tag_list_free (tags); gst_tag_list_free (tags);
} else {
parse->priv->tags = tags;
}
} }
GST_LOG_OBJECT (parse, "parsed marker %x: '%s' %u bytes", GST_LOG_OBJECT (parse, "parsed marker %x: '%s' %u bytes",
@ -621,11 +623,13 @@ gst_jpeg_parse_read_header (GstJpegParse * parse, GstBuffer * buffer)
if (tags) { if (tags) {
GST_INFO_OBJECT (parse, "got xmp metadata"); GST_INFO_OBJECT (parse, "got xmp metadata");
if (!parse->priv->tags) if (parse->priv->tags) {
parse->priv->tags = gst_tag_list_new ();
gst_tag_list_insert (parse->priv->tags, tags, gst_tag_list_insert (parse->priv->tags, tags,
GST_TAG_MERGE_REPLACE); GST_TAG_MERGE_REPLACE);
gst_tag_list_free (tags); gst_tag_list_free (tags);
} else {
parse->priv->tags = tags;
}
} }
GST_LOG_OBJECT (parse, "parsed marker %x: '%s' %u bytes", GST_LOG_OBJECT (parse, "parsed marker %x: '%s' %u bytes",