1/*
2 * Copyright (c) 2002 Michael Niedermayer
3 *
4 * This file is part of Libav.
5 *
6 * Libav 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 * Libav 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 Libav; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21#include "libavcodec/avcodec.h"
22#include "libavcodec/dsputil.h"
23#include "libavcodec/mpegvideo.h"
24#include "mpegvideo_arm.h"
25#include "asm-offsets.h"
26
27#if HAVE_NEON
28CHK_OFFS(MpegEncContext, y_dc_scale,       Y_DC_SCALE);
29CHK_OFFS(MpegEncContext, c_dc_scale,       C_DC_SCALE);
30CHK_OFFS(MpegEncContext, ac_pred,          AC_PRED);
31CHK_OFFS(MpegEncContext, block_last_index, BLOCK_LAST_INDEX);
32CHK_OFFS(MpegEncContext, inter_scantable.raster_end, INTER_SCANTAB_RASTER_END);
33CHK_OFFS(MpegEncContext, h263_aic,         H263_AIC);
34#endif
35
36void ff_dct_unquantize_h263_inter_neon(MpegEncContext *s, DCTELEM *block,
37                                       int n, int qscale);
38void ff_dct_unquantize_h263_intra_neon(MpegEncContext *s, DCTELEM *block,
39                                       int n, int qscale);
40
41void MPV_common_init_arm(MpegEncContext *s)
42{
43    /* IWMMXT support is a superset of armv5te, so
44     * allow optimized functions for armv5te unless
45     * a better iwmmxt function exists
46     */
47#if HAVE_ARMV5TE
48    MPV_common_init_armv5te(s);
49#endif
50#if HAVE_IWMMXT
51    MPV_common_init_iwmmxt(s);
52#endif
53
54    if (HAVE_NEON) {
55        s->dct_unquantize_h263_intra = ff_dct_unquantize_h263_intra_neon;
56        s->dct_unquantize_h263_inter = ff_dct_unquantize_h263_inter_neon;
57    }
58}
59