mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-03 16:09:39 +00:00
5888898c57
Original commit message from CVS: Now sending iptc tag in whole chunk. Ready to also send exif and xmp in the same way (look at bug #486659).
138 lines
4.3 KiB
C
138 lines
4.3 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 "metadataparseexif.h"
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GST_DEBUG_CATEGORY (gst_metadata_parse_exif_debug);
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#define GST_CAT_DEFAULT gst_metadata_parse_exif_debug
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void
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metadataparse_exif_tags_register (void)
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{
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}
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#ifndef HAVE_EXIF
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void
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metadataparse_exif_tag_list_add (GstTagList * taglist, GstTagMergeMode mode,
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GstAdapter * adapter)
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{
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GST_LOG ("EXIF not defined, here I should send just one tag as whole chunk");
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}
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#else /* ifndef HAVE_EXIF */
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#include <libexif/exif-data.h>
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static void
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exif_data_foreach_content_func (ExifContent * content, void *callback_data);
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static void exif_content_foreach_entry_func (ExifEntry * entry, void *);
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void
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metadataparse_exif_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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ExifData *exif = 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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buf = gst_adapter_peek (adapter, size);
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exif = exif_data_new_from_data (buf, size);
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if (exif == NULL) {
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goto done;
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}
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exif_data_foreach_content (exif, exif_data_foreach_content_func,
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(void *) taglist);
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done:
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if (exif)
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exif_data_unref (exif);
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return;
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}
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static void
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exif_data_foreach_content_func (ExifContent * content, void *user_data)
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{
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ExifIfd ifd = exif_content_get_ifd (content);
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GstTagList *taglist = (GstTagList *) user_data;
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GST_LOG ("\n Content %p: %s (ifd=%d)", content, exif_ifd_get_name (ifd),
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ifd);
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exif_content_foreach_entry (content, exif_content_foreach_entry_func,
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user_data);
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}
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static void
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exif_content_foreach_entry_func (ExifEntry * entry, void *user_data)
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{
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char buf[2048];
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GstTagList *taglist = (GstTagList *) user_data;
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GST_LOG ("\n Entry %p: %s (%s)\n"
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" Size, Comps: %d, %d\n"
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" Value: %s\n"
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" Title: %s\n"
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" Description: %s\n",
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entry,
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exif_tag_get_name_in_ifd (entry->tag, EXIF_IFD_0),
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exif_format_get_name (entry->format),
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entry->size,
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(int) (entry->components),
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exif_entry_get_value (entry, buf, sizeof (buf)),
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exif_tag_get_title_in_ifd (entry->tag, EXIF_IFD_0),
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exif_tag_get_description_in_ifd (entry->tag, EXIF_IFD_0));
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}
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#endif /* else (ifndef HAVE_EXIF) */
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