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authorEdgard Lima <edgard.lima@indt.org.br>2007-10-30 12:49:04 +0000
committerEdgard Lima <edgard.lima@indt.org.br>2007-10-30 12:49:04 +0000
commit6836fdea8367cdcaea53505a5a9ff93909b103d8 (patch)
tree16ad762758e018b0707e21df01848fdf67d1ef00 /ext/metadata/metadataparsejpeg.h
parent7f30d23b0c735baad9670fb2c8973fcbe72a41bf (diff)
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Created new plugin ('medadata') and element ('metadataparse') that extract metadata from images (look at bug #486659).
Original commit message from CVS: Created new plugin ('medadata') and element ('metadataparse') that extract metadata from images (look at bug #486659).
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+/*
+ * GStreamer
+ * Copyright 2007 Edgard Lima <edgard.lima@indt.org.br>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Alternatively, the contents of this file may be used under the
+ * GNU Lesser General Public License Version 2.1 (the "LGPL"), in
+ * which case the following provisions apply instead of the ones
+ * mentioned above:
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __METADATAPARSE_JPEG_H__
+#define __METADATAPARSE_JPEG_H__
+
+#include <gst/base/gstadapter.h>
+
+G_BEGIN_DECLS
+
+typedef enum _tag_JpegState {
+ JPEG_NULL,
+ JPEG_READING,
+ JPEG_JUMPING,
+ JPEG_EXIF,
+ JPEG_IPTC,
+ JPEG_XMP,
+ JPEG_DONE
+} JpegState;
+
+
+typedef struct _tag_JpegData {
+ JpegState state;
+ GstAdapter **adpt_exif;
+ GstAdapter **adpt_iptc;
+ GstAdapter **adpt_xmp;
+ guint32 read;
+} JpegData;
+
+
+extern void
+metadataparse_jpeg_init(JpegData *jpeg_data, GstAdapter **adpt_exif, GstAdapter **adpt_iptc, GstAdapter **adpt_xmp);
+
+extern void
+metadataparse_jpeg_dispose(JpegData *jpeg_data);
+
+
+int
+metadataparse_jpeg_parse(JpegData *jpeg_data, guint8 *buf,
+ guint32 *bufsize, guint8 ** next_start,
+ guint32 * next_size);
+
+G_END_DECLS
+
+#endif /* __METADATAPARSE_JPEG_H__ */