gst/flx/flx_fmt.h

   1 /* GStreamer
   2  * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Library General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Library General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Library General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19
  20
  21 #ifndef __GST_FLX_FMT__H__
  22 #define __GST_FLX_FMT_H__
  23
  24 #include <gst/gst.h>
  25
  26 G_BEGIN_DECLS
  27
  28 enum Flx_TypeChunk
  29 {
  30         /* frame chunks */
  31         FLX_PREFIX_TYPE         = 0xf100,
  32         FLX_SCRIPT_CHUNK        = 0xf1e0,
  33         FLX_FRAME_TYPE          = 0xf1fa,
  34         FLX_SEGMENT_TABLE       = 0xf1fb,
  35         FLX_HUFFMAN_TABLE       = 0xf1fc,
  36
  37         /* sub chunks */
  38         FLX_CEL_DATA            = 3,
  39         FLX_COLOR256            = 4,
  40         FLX_SS2                 = 7,
  41         FLX_COLOR64             = 11,
  42         FLX_LC                  = 12,
  43         FLX_BLACK               = 13,
  44         FLX_BRUN                = 15,
  45         FLX_COPY                = 16,
  46         FLX_MINI                = 18,
  47         FLX_DTA_RUN             = 25,
  48         FLX_DTA_COPY            = 26,
  49         FLX_DTA_LC              = 27,
  50         FLX_LABEL               = 31,
  51         FLX_BMP_MASK            = 32,
  52         FLX_MLEV_MASK           = 33,
  53         FLX_SEGMENT             = 34,
  54         FLX_KEY_IMAGE           = 35,
  55         FLX_KEY_PAL             = 36,
  56         FLX_REGION              = 37,
  57         FLX_WAVE                = 38,
  58         FLX_USERSTRING          = 39,
  59         FLX_RGN_MASK            = 40
  60
  61 };
  62
  63 enum Flx_MagicHdr
  64 {
  65         FLX_MAGICHDR_FLI        = 0xaf11,
  66         FLX_MAGICHDR_FLC        = 0xaf12,
  67         FLX_MAGICHDR_FLX        = 0xaf44,
  68         FLX_MAGICHDR_HUFFBWT    = 0xaf30
  69 };
  70
  71 typedef struct _FlxHeader
  72 {
  73         guint32 size;
  74         guint16 type;
  75         guint16 frames;
  76         guint16 width,height,depth,flags;
  77         guint32 speed;
  78         guint16 reserved1;
  79         /* FLC */
  80         guint32 created,creator,updated,updater;
  81         guint16 aspect_dx, aspect_dy;
  82         /* EGI */
  83         guint16 ext_flags,keyframes,totalframes;
  84         guint32 req_memory;
  85         guint16 max_regions,transp_num;
  86         guchar  reserved2[24];
  87         /* FLC */
  88         guint32 oframe1,oframe2;
  89         guchar  reserved3[40];
  90 } FlxHeader;
  91 #define FlxHeaderSize 128
  92
  93 typedef struct _FlxFrameChunk
  94 {
  95         guint32 size;
  96         guint16 id;
  97 } FlxFrameChunk;
  98 #define FlxFrameChunkSize 6
  99
 100 typedef struct _FlxPrefixChunk
 101 {
 102         guint16 chunks;
 103         guchar  reserved[8];
 104 } FlxPrefixChunk;
 105
 106 typedef struct _FlxSegmentTable
 107 {
 108         guint16 segments;
 109 } FlxSegmentTable;
 110
 111 typedef struct _FlxHuffmanTable
 112 {
 113         guint16 codelength;
 114         guint16 numcodes;
 115         guchar  reserved[6];
 116 } FlxHuffmanTable;
 117
 118 typedef struct _FlxFrameType
 119 {
 120         guint16 chunks;
 121         guint16 delay;
 122         guchar  reserved[6];
 123 } FlxFrameType;
 124 #define FlxFrameTypeSize 10
 125
 126 #if G_BYTE_ORDER == G_BIG_ENDIAN
 127 #define LE_TO_BE_16(i16) ((guint16) (((i16) << 8) | ((i16) >> 8)))
 128 #define LE_TO_BE_32(i32) \
 129     (((guint32) (LE_TO_BE_16((guint16) (i32))) << 16) | (LE_TO_BE_16((i32) >> 16)))
 130
 131 #define FLX_FRAME_TYPE_FIX_ENDIANNESS(frm_type_p) \
 132     do { \
 133      (frm_type_p)->chunks = LE_TO_BE_16((frm_type_p)->chunks); \
 134      (frm_type_p)->delay = LE_TO_BE_16((frm_type_p)->delay); \
 135     } while(0)
 136
 137 #define FLX_HUFFMAN_TABLE_FIX_ENDIANNESS(hffmn_table_p) \
 138     do { \
 139      (hffmn_table_p)->codelength = \
 140         LE_TO_BE_16((hffmn_table_p)->codelength); \
 141      (hffmn_table_p)->numcodes = LE_TO_BE_16((hffmn_table_p)->numcodes); \
 142     } while(0)
 143
 144 #define FLX_SEGMENT_TABLE_FIX_ENDIANNESS(sgmnt_table_p) \
 145      ((sgmnt_table_p)->segments = LE_TO_BE_16((sgmnt_table_p)->segments))
 146
 147 #define FLX_PREFIX_CHUNK_FIX_ENDIANNESS(prfx_chnk_p) \
 148     do { \
 149      (prfx_chnk_p)->chunks = LE_TO_BE_16((prfx_chnk_p)->chunks); \
 150     } while(0)
 151
 152 #define FLX_FRAME_CHUNK_FIX_ENDIANNESS(frm_chnk_p) \
 153     do { \
 154      (frm_chnk_p)->size = LE_TO_BE_32((frm_chnk_p)->size); \
 155      (frm_chnk_p)->id = LE_TO_BE_16((frm_chnk_p)->id); \
 156     } while(0)
 157
 158 #define FLX_HDR_FIX_ENDIANNESS(hdr_p) \
 159     do { \
 160      (hdr_p)->size = LE_TO_BE_32((hdr_p)->size); \
 161      (hdr_p)->type = LE_TO_BE_16((hdr_p)->type); \
 162      (hdr_p)->frames = LE_TO_BE_16((hdr_p)->frames); \
 163      (hdr_p)->width = LE_TO_BE_16((hdr_p)->width); \
 164      (hdr_p)->height = LE_TO_BE_16((hdr_p)->height); \
 165      (hdr_p)->depth = LE_TO_BE_16((hdr_p)->depth); \
 166      (hdr_p)->flags = LE_TO_BE_16((hdr_p)->flags); \
 167      (hdr_p)->speed = LE_TO_BE_32((hdr_p)->speed); \
 168      (hdr_p)->reserved1 = LE_TO_BE_16((hdr_p)->reserved1); \
 169      (hdr_p)->created = LE_TO_BE_32((hdr_p)->created); \
 170      (hdr_p)->creator = LE_TO_BE_32((hdr_p)->creator); \
 171      (hdr_p)->updated = LE_TO_BE_32((hdr_p)->updated); \
 172      (hdr_p)->updater = LE_TO_BE_32((hdr_p)->updater); \
 173      (hdr_p)->aspect_dx = LE_TO_BE_16((hdr_p)->aspect_dx); \
 174      (hdr_p)->aspect_dy = LE_TO_BE_16((hdr_p)->aspect_dy); \
 175      (hdr_p)->ext_flags = LE_TO_BE_16((hdr_p)->ext_flags); \
 176      (hdr_p)->keyframes = LE_TO_BE_16((hdr_p)->keyframes); \
 177      (hdr_p)->totalframes = LE_TO_BE_16((hdr_p)->totalframes); \
 178      (hdr_p)->req_memory = LE_TO_BE_32((hdr_p)->req_memory); \
 179      (hdr_p)->max_regions = LE_TO_BE_16((hdr_p)->max_regions); \
 180      (hdr_p)->transp_num = LE_TO_BE_16((hdr_p)->transp_num); \
 181      (hdr_p)->oframe1 = LE_TO_BE_32((hdr_p)->oframe1); \
 182      (hdr_p)->oframe2 = LE_TO_BE_32((hdr_p)->oframe2); \
 183     } while(0)
 184 #else
 185
 186 #define LE_TO_BE_16(i16) ((i16))
 187 #define LE_TO_BE_32(i32) ((i32))
 188
 189 #define FLX_FRAME_TYPE_FIX_ENDIANNESS(frm_type_p)
 190 #define FLX_HUFFMAN_TABLE_FIX_ENDIANNESS(hffmn_table_p)
 191 #define FLX_SEGMENT_TABLE_FIX_ENDIANNESS(sgmnt_table_p)
 192 #define FLX_PREFIX_CHUNK_FIX_ENDIANNESS(prfx_chnk_p)
 193 #define FLX_FRAME_CHUNK_FIX_ENDIANNESS(frm_chnk_p)
 194 #define FLX_HDR_FIX_ENDIANNESS(hdr_p)
 195
 196 #endif /* G_BYTE_ORDER == G_BIG_ENDIAN */
 197
 198 G_END_DECLS
 199
 200 #endif /* __GST_FLX_FMT_H__ */