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