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/* GStreamer PNM utility functions
* Copyright (C) 2009 Lutz Mueller <lutz@users.sourceforge.net>
*
* 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_PNM_UTILS_H__
#define __GST_PNM_UTILS_H__
#include <glib.h>
#include <glib-object.h>
#define MIME_BM "image/x-portable-bitmap"
#define MIME_GM "image/x-portable-graymap"
#define MIME_PM "image/x-portable-pixmap"
#define MIME_AM "image/x-portable-anymap"
#define MIME_ALL MIME_BM "; " MIME_GM "; " MIME_PM "; " MIME_AM
typedef enum
{
GST_PNM_INFO_FIELDS_TYPE = 1 << 0,
GST_PNM_INFO_FIELDS_WIDTH = 1 << 1,
GST_PNM_INFO_FIELDS_HEIGHT = 1 << 2,
GST_PNM_INFO_FIELDS_MAX = 1 << 3,
GST_PNM_INFO_FIELDS_ENCODING = 1 << 4
} GstPnmInfoFields;
#define GST_PNM_INFO_FIELDS_ALL (GST_PNM_INFO_FIELDS_TYPE | GST_PNM_INFO_FIELDS_WIDTH | GST_PNM_INFO_FIELDS_HEIGHT | GST_PNM_INFO_FIELDS_MAX | GST_PNM_INFO_FIELDS_ENCODING)
typedef enum
{
GST_PNM_TYPE_BITMAP = 1,
GST_PNM_TYPE_GRAYMAP = 2,
GST_PNM_TYPE_PIXMAP = 3
} GstPnmType;
typedef enum
{
GST_PNM_ENCODING_RAW = 0,
GST_PNM_ENCODING_ASCII = 1
} GstPnmEncoding;
typedef struct
{
GstPnmInfoFields fields;
GstPnmType type;
GstPnmEncoding encoding;
guint width, height, max;
} GstPnmInfo;
typedef enum
{
GST_PNM_INFO_MNGR_STATE_NONE = 0,
GST_PNM_INFO_MNGR_STATE_DATA_TYPE,
GST_PNM_INFO_MNGR_STATE_DATA_WIDTH,
GST_PNM_INFO_MNGR_STATE_DATA_HEIGHT,
GST_PNM_INFO_MNGR_STATE_DATA_MAX,
GST_PNM_INFO_MNGR_STATE_COMMENT,
GST_PNM_INFO_MNGR_STATE_WHITE_SPACE
} GstPnmInfoMngrState;
typedef struct
{
GstPnmInfoMngrState state;
GstPnmInfo info;
guint8 data_offset;
} GstPnmInfoMngr;
typedef enum
{
GST_PNM_INFO_MNGR_RESULT_FAILED,
GST_PNM_INFO_MNGR_RESULT_READING,
GST_PNM_INFO_MNGR_RESULT_FINISHED
} GstPnmInfoMngrResult;
GstPnmInfoMngrResult gst_pnm_info_mngr_scan (GstPnmInfoMngr *, const guint8 *, guint);
#endif /* __GST_PNM_UTILS_H__ */
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