gstreamer/gst/flx/flx_fmt.h
2012-11-04 00:07:18 +00:00

200 lines
5.6 KiB
C

/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_FLX_FMT__H__
#define __GST_FLX_FMT_H__
#include <gst/gst.h>
G_BEGIN_DECLS
enum Flx_TypeChunk
{
/* frame chunks */
FLX_PREFIX_TYPE = 0xf100,
FLX_SCRIPT_CHUNK = 0xf1e0,
FLX_FRAME_TYPE = 0xf1fa,
FLX_SEGMENT_TABLE = 0xf1fb,
FLX_HUFFMAN_TABLE = 0xf1fc,
/* sub chunks */
FLX_CEL_DATA = 3,
FLX_COLOR256 = 4,
FLX_SS2 = 7,
FLX_COLOR64 = 11,
FLX_LC = 12,
FLX_BLACK = 13,
FLX_BRUN = 15,
FLX_COPY = 16,
FLX_MINI = 18,
FLX_DTA_RUN = 25,
FLX_DTA_COPY = 26,
FLX_DTA_LC = 27,
FLX_LABEL = 31,
FLX_BMP_MASK = 32,
FLX_MLEV_MASK = 33,
FLX_SEGMENT = 34,
FLX_KEY_IMAGE = 35,
FLX_KEY_PAL = 36,
FLX_REGION = 37,
FLX_WAVE = 38,
FLX_USERSTRING = 39,
FLX_RGN_MASK = 40
};
enum Flx_MagicHdr
{
FLX_MAGICHDR_FLI = 0xaf11,
FLX_MAGICHDR_FLC = 0xaf12,
FLX_MAGICHDR_FLX = 0xaf44,
FLX_MAGICHDR_HUFFBWT = 0xaf30
};
typedef struct _FlxHeader
{
guint32 size;
guint16 type;
guint16 frames;
guint16 width,height,depth,flags;
guint32 speed;
guint16 reserved1;
/* FLC */
guint32 created,creator,updated,updater;
guint16 aspect_dx, aspect_dy;
/* EGI */
guint16 ext_flags,keyframes,totalframes;
guint32 req_memory;
guint16 max_regions,transp_num;
guchar reserved2[24];
/* FLC */
guint32 oframe1,oframe2;
guchar reserved3[40];
} FlxHeader;
#define FlxHeaderSize 128
typedef struct _FlxFrameChunk
{
guint32 size;
guint16 id;
} FlxFrameChunk;
#define FlxFrameChunkSize 6
typedef struct _FlxPrefixChunk
{
guint16 chunks;
guchar reserved[8];
} FlxPrefixChunk;
typedef struct _FlxSegmentTable
{
guint16 segments;
} FlxSegmentTable;
typedef struct _FlxHuffmanTable
{
guint16 codelength;
guint16 numcodes;
guchar reserved[6];
} FlxHuffmanTable;
typedef struct _FlxFrameType
{
guint16 chunks;
guint16 delay;
guchar reserved[6];
} FlxFrameType;
#define FlxFrameTypeSize 10
#if G_BYTE_ORDER == G_BIG_ENDIAN
#define LE_TO_BE_16(i16) ((guint16) (((i16) << 8) | ((i16) >> 8)))
#define LE_TO_BE_32(i32) \
(((guint32) (LE_TO_BE_16((guint16) (i32))) << 16) | (LE_TO_BE_16((i32) >> 16)))
#define FLX_FRAME_TYPE_FIX_ENDIANNESS(frm_type_p) \
do { \
(frm_type_p)->chunks = LE_TO_BE_16((frm_type_p)->chunks); \
(frm_type_p)->delay = LE_TO_BE_16((frm_type_p)->delay); \
} while(0)
#define FLX_HUFFMAN_TABLE_FIX_ENDIANNESS(hffmn_table_p) \
do { \
(hffmn_table_p)->codelength = \
LE_TO_BE_16((hffmn_table_p)->codelength); \
(hffmn_table_p)->numcodes = LE_TO_BE_16((hffmn_table_p)->numcodes); \
} while(0)
#define FLX_SEGMENT_TABLE_FIX_ENDIANNESS(sgmnt_table_p) \
((sgmnt_table_p)->segments = LE_TO_BE_16((sgmnt_table_p)->segments))
#define FLX_PREFIX_CHUNK_FIX_ENDIANNESS(prfx_chnk_p) \
do { \
(prfx_chnk_p)->chunks = LE_TO_BE_16((prfx_chnk_p)->chunks); \
} while(0)
#define FLX_FRAME_CHUNK_FIX_ENDIANNESS(frm_chnk_p) \
do { \
(frm_chnk_p)->size = LE_TO_BE_32((frm_chnk_p)->size); \
(frm_chnk_p)->id = LE_TO_BE_16((frm_chnk_p)->id); \
} while(0)
#define FLX_HDR_FIX_ENDIANNESS(hdr_p) \
do { \
(hdr_p)->size = LE_TO_BE_32((hdr_p)->size); \
(hdr_p)->type = LE_TO_BE_16((hdr_p)->type); \
(hdr_p)->frames = LE_TO_BE_16((hdr_p)->frames); \
(hdr_p)->width = LE_TO_BE_16((hdr_p)->width); \
(hdr_p)->height = LE_TO_BE_16((hdr_p)->height); \
(hdr_p)->depth = LE_TO_BE_16((hdr_p)->depth); \
(hdr_p)->flags = LE_TO_BE_16((hdr_p)->flags); \
(hdr_p)->speed = LE_TO_BE_32((hdr_p)->speed); \
(hdr_p)->reserved1 = LE_TO_BE_16((hdr_p)->reserved1); \
(hdr_p)->created = LE_TO_BE_32((hdr_p)->created); \
(hdr_p)->creator = LE_TO_BE_32((hdr_p)->creator); \
(hdr_p)->updated = LE_TO_BE_32((hdr_p)->updated); \
(hdr_p)->updater = LE_TO_BE_32((hdr_p)->updater); \
(hdr_p)->aspect_dx = LE_TO_BE_16((hdr_p)->aspect_dx); \
(hdr_p)->aspect_dy = LE_TO_BE_16((hdr_p)->aspect_dy); \
(hdr_p)->ext_flags = LE_TO_BE_16((hdr_p)->ext_flags); \
(hdr_p)->keyframes = LE_TO_BE_16((hdr_p)->keyframes); \
(hdr_p)->totalframes = LE_TO_BE_16((hdr_p)->totalframes); \
(hdr_p)->req_memory = LE_TO_BE_32((hdr_p)->req_memory); \
(hdr_p)->max_regions = LE_TO_BE_16((hdr_p)->max_regions); \
(hdr_p)->transp_num = LE_TO_BE_16((hdr_p)->transp_num); \
(hdr_p)->oframe1 = LE_TO_BE_32((hdr_p)->oframe1); \
(hdr_p)->oframe2 = LE_TO_BE_32((hdr_p)->oframe2); \
} while(0)
#else
#define LE_TO_BE_16(i16) ((i16))
#define LE_TO_BE_32(i32) ((i32))
#define FLX_FRAME_TYPE_FIX_ENDIANNESS(frm_type_p)
#define FLX_HUFFMAN_TABLE_FIX_ENDIANNESS(hffmn_table_p)
#define FLX_SEGMENT_TABLE_FIX_ENDIANNESS(sgmnt_table_p)
#define FLX_PREFIX_CHUNK_FIX_ENDIANNESS(prfx_chnk_p)
#define FLX_FRAME_CHUNK_FIX_ENDIANNESS(frm_chnk_p)
#define FLX_HDR_FIX_ENDIANNESS(hdr_p)
#endif /* G_BYTE_ORDER == G_BIG_ENDIAN */
G_END_DECLS
#endif /* __GST_FLX_FMT_H__ */