gstreamer/ext/metadata/gstmetadatacommon.h
Edgard Lima b2a023be7b Added new module for common functions. Using GST_TYPE_FRACTION for Exif (S)Rational types.
Original commit message from CVS:
Added new module for common functions. Using GST_TYPE_FRACTION for Exif (S)Rational types.
2007-12-14 18:18:37 +00:00

96 lines
3.4 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 __GST_METADATA_COMMON_H__
#define __GST_METADATA_COMMON_H__
#include "metadata.h"
G_BEGIN_DECLS
typedef struct _GstMetadataCommon GstMetadataCommon;
typedef enum _tag_MetadataState
{
MT_STATE_NULL, /* still need to check media type */
MT_STATE_PARSED
} MetadataState;
struct _GstMetadataCommon {
MetaData metadata;
gint64 duration_orig; /* durarion of stream */
gint64 duration; /* durarion of modified stream */
GstBuffer * append_buffer;
MetadataState state;
};
extern void
gst_metadata_common_init(GstMetadataCommon *common, gboolean parse, guint8 options);
extern void
gst_metadata_common_dispose(GstMetadataCommon *common);
extern gboolean
gst_metadata_common_strip_push_buffer (GstMetadataCommon *common, gint64 offset_orig,
GstBuffer ** prepend, GstBuffer ** buf);
extern gboolean
gst_metadata_common_translate_pos_to_orig (GstMetadataCommon *common,
gint64 pos, gint64 * orig_pos, GstBuffer ** buf);
extern gboolean
gst_metadata_common_calculate_offsets (GstMetadataCommon *common);
extern void
gst_metadata_common_update_segment_with_new_buffer (GstMetadataCommon *common,
guint8 ** buf, guint32 * size, MetadataChunkType type);
extern const gchar *
gst_metadata_common_get_type_name (int img_type);
G_END_DECLS
#endif /* __GST_METADATA_COMMON_H__ */