mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-26 10:10:32 +00:00
121 lines
3.7 KiB
C
121 lines
3.7 KiB
C
/*
|
|
* 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 __METADATA_H__
|
|
#define __METADATA_H__
|
|
|
|
#include <gst/base/gstadapter.h>
|
|
#include "metadatatypes.h"
|
|
|
|
#include "metadataparsejpeg.h"
|
|
#include "metadatamuxjpeg.h"
|
|
#include "metadataparsepng.h"
|
|
#include "metadatamuxpng.h"
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
/* *INDENT-OFF* */
|
|
|
|
typedef enum _tag_MetaOptions
|
|
{
|
|
META_OPT_EXIF = (1 << 0),
|
|
META_OPT_IPTC = (1 << 1),
|
|
META_OPT_XMP = (1 << 2),
|
|
META_OPT_PARSE_ONLY = (1 << 3), /* only makes sense with META_OPT_DEMUX */
|
|
META_OPT_DEMUX = (1 << 4),
|
|
META_OPT_MUX = (1 << 5),
|
|
META_OPT_ALL = (1 << 6) - 1
|
|
} MetaOptions;
|
|
/* *INDENT-ON* */
|
|
|
|
typedef enum _tag_MetaState
|
|
{
|
|
STATE_NULL,
|
|
STATE_READING,
|
|
STATE_DONE
|
|
} MetaState;
|
|
|
|
typedef enum _tag_ImageType
|
|
{
|
|
IMG_NONE,
|
|
IMG_JPEG,
|
|
IMG_PNG
|
|
} ImageType;
|
|
|
|
typedef struct _tag_MetaData
|
|
{
|
|
MetaState state;
|
|
ImageType img_type;
|
|
guint8 options;
|
|
guint32 offset_orig; /* offset since begining of stream */
|
|
union
|
|
{
|
|
JpegParseData jpeg_parse;
|
|
JpegMuxData jpeg_mux;
|
|
PngParseData png_parse;
|
|
PngMuxData png_mux;
|
|
} format_data;
|
|
GstAdapter * exif_adapter;
|
|
GstAdapter * iptc_adapter;
|
|
GstAdapter * xmp_adapter;
|
|
|
|
MetadataChunkArray strip_chunks;
|
|
MetadataChunkArray inject_chunks;
|
|
|
|
} MetaData;
|
|
|
|
#define META_DATA_IMG_TYPE(p) (p).img_type
|
|
|
|
extern void metadata_init (MetaData * meta_data, const MetaOptions options);
|
|
|
|
extern void metadata_dispose (MetaData * meta_data);
|
|
|
|
extern MetadataParsingReturn
|
|
metadata_parse (MetaData * meta_data, const guint8 * buf,
|
|
guint32 bufsize, guint32 * next_offset, guint32 * next_size);
|
|
|
|
|
|
extern void metadata_lazy_update (MetaData * meta_data);
|
|
|
|
G_END_DECLS
|
|
#endif /* __METADATA_H__ */
|