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148 lines
3.8 KiB
C
148 lines
3.8 KiB
C
/*
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* GStreamer
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* Copyright 2007 Edgard Lima <edgard.lima@indt.org.br>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Alternatively, the contents of this file may be used under the
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* GNU Lesser General Public License Version 2.1 (the "LGPL"), in
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* which case the following provisions apply instead of the ones
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* mentioned above:
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "metadataparsexmp.h"
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#include "metadataparseutil.h"
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GST_DEBUG_CATEGORY (gst_metadata_parse_xmp_debug);
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#define GST_CAT_DEFAULT gst_metadata_parse_xmp_debug
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#define GST_TAG_XMP "xmp"
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void
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metadataparse_xmp_tags_register (void)
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{
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gst_tag_register (GST_TAG_XMP, GST_TAG_FLAG_META,
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GST_TYPE_BUFFER, GST_TAG_XMP, "xmp metadata chunk", NULL);
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}
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#ifndef HAVE_XMP
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void
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metadataparse_xmp_tag_list_add (GstTagList * taglist, GstTagMergeMode mode,
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GstAdapter * adapter)
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{
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GST_LOG ("XMP not defined, here I should send just one tag as whole chunk");
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metadataparse_tag_list_add_chunk (taglist, mode, GST_TAG_XMP, adapter);
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}
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gboolean
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metadataparse_xmp_init (void)
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{
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return TRUE;
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}
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void
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metadataparse_xmp_dispose (void)
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{
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return;
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}
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#else /* ifndef HAVE_XMP */
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#include <xmp.h>
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gboolean
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metadataparse_xmp_init (void)
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{
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return xmp_init ();
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}
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void
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metadataparse_xmp_dispose (void)
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{
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xmp_terminate ();
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}
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void
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metadataparse_xmp_tag_list_add (GstTagList * taglist, GstTagMergeMode mode,
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GstAdapter * adapter)
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{
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const guint8 *buf;
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guint32 size;
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XmpPtr *xmp = NULL;
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XmpStringPtr xmp_str = NULL;
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if (adapter == NULL || (size = gst_adapter_available (adapter)) == 0) {
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goto done;
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}
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/* add chunk tag */
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metadataparse_tag_list_add_chunk (taglist, mode, GST_TAG_XMP, adapter);
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buf = gst_adapter_peek (adapter, size);
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buf += 29; /* jump "http://ns.adobe.com/xap/1.0/" */
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size -= 29;
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xmp = xmp_new (buf, size);
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if (!xmp)
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goto done;
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xmp_str = xmp_string_new ();
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if (!xmp_str)
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goto done;
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xmp_serialize (xmp, xmp_str, XMP_SERIAL_ENCODEUTF8, 2);
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GST_LOG (xmp_string_cstr (xmp_str));
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done:
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if (xmp_str) {
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xmp_string_free (xmp_str);
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}
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if (xmp) {
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xmp_free (xmp);
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}
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return;
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}
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#endif /* else (ifndef HAVE_XMP) */
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