lavu: add CHK_OFFS as AV_CHECK_OFFSET to check struct member offsets
[libav.git] / libavcodec / arm / mpegvideo_arm.c
CommitLineData
676e200c
MN
1/*
2 * Copyright (c) 2002 Michael Niedermayer
3 *
2912e87a 4 * This file is part of Libav.
b78e7197 5 *
2912e87a 6 * Libav is free software; you can redistribute it and/or
676e200c
MN
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
b78e7197 9 * version 2.1 of the License, or (at your option) any later version.
676e200c 10 *
2912e87a 11 * Libav is distributed in the hope that it will be useful,
676e200c
MN
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
2912e87a 17 * License along with Libav; if not, write to the Free Software
5509bffa 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
676e200c
MN
19 */
20
a88e1d1c 21#include "libavutil/internal.h"
d526c533 22#include "libavutil/arm/cpu.h"
245976da 23#include "libavcodec/avcodec.h"
245976da 24#include "libavcodec/mpegvideo.h"
5bacc3ad 25#include "mpegvideo_arm.h"
a76eec3b
MR
26#include "asm-offsets.h"
27
68dacb4e 28#if HAVE_NEON
a88e1d1c
JG
29AV_CHECK_OFFSET(MpegEncContext, y_dc_scale, Y_DC_SCALE);
30AV_CHECK_OFFSET(MpegEncContext, c_dc_scale, C_DC_SCALE);
31AV_CHECK_OFFSET(MpegEncContext, ac_pred, AC_PRED);
32AV_CHECK_OFFSET(MpegEncContext, block_last_index, BLOCK_LAST_INDEX);
33AV_CHECK_OFFSET(MpegEncContext, inter_scantable.raster_end,
34 INTER_SCANTAB_RASTER_END);
35AV_CHECK_OFFSET(MpegEncContext, h263_aic, H263_AIC);
68dacb4e 36#endif
6ad1fa5a 37
88bd7fdc 38void ff_dct_unquantize_h263_inter_neon(MpegEncContext *s, int16_t *block,
41331b65 39 int n, int qscale);
88bd7fdc 40void ff_dct_unquantize_h263_intra_neon(MpegEncContext *s, int16_t *block,
41331b65
MR
41 int n, int qscale);
42
c9f933b5 43av_cold void ff_MPV_common_init_arm(MpegEncContext *s)
676e200c 44{
d526c533
MR
45 int cpu_flags = av_get_cpu_flags();
46
47 if (have_armv5te(cpu_flags))
48 ff_MPV_common_init_armv5te(s);
41331b65 49
d526c533 50 if (have_neon(cpu_flags)) {
41331b65
MR
51 s->dct_unquantize_h263_intra = ff_dct_unquantize_h263_intra_neon;
52 s->dct_unquantize_h263_inter = ff_dct_unquantize_h263_inter_neon;
53 }
676e200c 54}