mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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153a8ae752
Solves overreading/writing the given arrays and will error out if the streams asks to do that. Also does more error checking that the stream is valid and won't overrun any allocated arrays. Also mitigate integer overflow errors calculating allocation sizes. https://bugzilla.gnome.org/show_bug.cgi?id=774859
129 lines
2.7 KiB
C
129 lines
2.7 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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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., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_FLX_FMT_H__
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#define __GST_FLX_FMT_H__
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#include <gst/gst.h>
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G_BEGIN_DECLS
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enum Flx_TypeChunk
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{
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/* frame chunks */
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FLX_PREFIX_TYPE = 0xf100,
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FLX_SCRIPT_CHUNK = 0xf1e0,
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FLX_FRAME_TYPE = 0xf1fa,
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FLX_SEGMENT_TABLE = 0xf1fb,
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FLX_HUFFMAN_TABLE = 0xf1fc,
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/* sub chunks */
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FLX_CEL_DATA = 3,
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FLX_COLOR256 = 4,
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FLX_SS2 = 7,
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FLX_COLOR64 = 11,
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FLX_LC = 12,
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FLX_BLACK = 13,
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FLX_BRUN = 15,
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FLX_COPY = 16,
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FLX_MINI = 18,
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FLX_DTA_RUN = 25,
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FLX_DTA_COPY = 26,
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FLX_DTA_LC = 27,
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FLX_LABEL = 31,
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FLX_BMP_MASK = 32,
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FLX_MLEV_MASK = 33,
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FLX_SEGMENT = 34,
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FLX_KEY_IMAGE = 35,
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FLX_KEY_PAL = 36,
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FLX_REGION = 37,
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FLX_WAVE = 38,
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FLX_USERSTRING = 39,
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FLX_RGN_MASK = 40
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};
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enum Flx_MagicHdr
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{
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FLX_MAGICHDR_FLI = 0xaf11,
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FLX_MAGICHDR_FLC = 0xaf12,
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FLX_MAGICHDR_FLX = 0xaf44,
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FLX_MAGICHDR_HUFFBWT = 0xaf30
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};
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typedef struct _FlxHeader
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{
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guint32 size;
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guint16 type;
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guint16 frames;
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guint16 width,height,depth,flags;
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guint32 speed;
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guint16 reserved1;
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/* FLC */
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guint32 created,creator,updated,updater;
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guint16 aspect_dx, aspect_dy;
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/* EGI */
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guint16 ext_flags,keyframes,totalframes;
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guint32 req_memory;
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guint16 max_regions,transp_num;
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guchar reserved2[24];
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/* FLC */
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guint32 oframe1,oframe2;
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guchar reserved3[40];
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} FlxHeader;
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#define FlxHeaderSize 128
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typedef struct _FlxFrameChunk
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{
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guint32 size;
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guint16 id;
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} FlxFrameChunk;
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#define FlxFrameChunkSize 6
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typedef struct _FlxPrefixChunk
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{
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guint16 chunks;
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guchar reserved[8];
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} FlxPrefixChunk;
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typedef struct _FlxSegmentTable
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{
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guint16 segments;
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} FlxSegmentTable;
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typedef struct _FlxHuffmanTable
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{
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guint16 codelength;
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guint16 numcodes;
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guchar reserved[6];
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} FlxHuffmanTable;
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typedef struct _FlxFrameType
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{
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guint16 chunks;
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guint16 delay;
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guchar reserved[6];
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} FlxFrameType;
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#define FlxFrameTypeSize 10
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G_END_DECLS
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#endif /* __GST_FLX_FMT_H__ */
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