Imported Debian version 2.4.3~trusty1
[deb_ffmpeg.git] / ffmpeg / libavcodec / arm / mpegvideo_arm.c
CommitLineData
2ba45a60
DM
1/*
2 * Copyright (c) 2002 Michael Niedermayer
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#include "libavutil/internal.h"
22#include "libavutil/arm/cpu.h"
23#include "libavcodec/avcodec.h"
24#include "libavcodec/mpegvideo.h"
25#include "mpegvideo_arm.h"
26#include "asm-offsets.h"
27
28#if HAVE_NEON
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);
36#endif
37
38void ff_dct_unquantize_h263_inter_neon(MpegEncContext *s, int16_t *block,
39 int n, int qscale);
40void ff_dct_unquantize_h263_intra_neon(MpegEncContext *s, int16_t *block,
41 int n, int qscale);
42
43av_cold void ff_mpv_common_init_arm(MpegEncContext *s)
44{
45 int cpu_flags = av_get_cpu_flags();
46
47 if (have_armv5te(cpu_flags))
48 ff_mpv_common_init_armv5te(s);
49
50 if (have_neon(cpu_flags)) {
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 }
54}