ARM: fail build if hardcoded struct offsets are wrong
[libav.git] / libavcodec / arm / asm-offsets.h
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a76eec3b
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1/*
2 * Copyright (c) 2010 Mans Rullgard
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21#ifndef AVCODEC_ARM_ASM_OFFSETS_H
22#define AVCODEC_ARM_ASM_OFFSETS_H
23
24#ifndef __ASSEMBLER__
25#include <stddef.h>
26#define CHK_OFFS(s, m, o) struct check_##o { \
27 int x_##o[offsetof(s, m) == o? 1: -1]; \
28 }
29#endif
30
31/* MpegEncContext */
32#define Y_DC_SCALE 0xa54
33#define C_DC_SCALE 0xa58
34#define AC_PRED 0xa80
35#define BLOCK_LAST_INDEX 0x2278
36#define INTER_SCANTAB_RASTER_END 0x2478
37#define H263_AIC 0x2728
38
39#endif