mpegvideo_arm.c 1.95 KB
Newer Older
1 2 3
/*
 * Copyright (c) 2002 Michael Niedermayer
 *
4 5 6
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
7 8
 * modify it under the terms of the GNU Lesser General Public
 * 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 13 14 15 16
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * 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/arm/cpu.h"
22 23 24
#include "libavcodec/avcodec.h"
#include "libavcodec/dsputil.h"
#include "libavcodec/mpegvideo.h"
25
#include "mpegvideo_arm.h"
26 27
#include "asm-offsets.h"

28
#if HAVE_NEON
29 30 31 32 33 34
CHK_OFFS(MpegEncContext, y_dc_scale,       Y_DC_SCALE);
CHK_OFFS(MpegEncContext, c_dc_scale,       C_DC_SCALE);
CHK_OFFS(MpegEncContext, ac_pred,          AC_PRED);
CHK_OFFS(MpegEncContext, block_last_index, BLOCK_LAST_INDEX);
CHK_OFFS(MpegEncContext, inter_scantable.raster_end, INTER_SCANTAB_RASTER_END);
CHK_OFFS(MpegEncContext, h263_aic,         H263_AIC);
35
#endif
36

37 38 39 40 41
void ff_dct_unquantize_h263_inter_neon(MpegEncContext *s, DCTELEM *block,
                                       int n, int qscale);
void ff_dct_unquantize_h263_intra_neon(MpegEncContext *s, DCTELEM *block,
                                       int n, int qscale);

42
void ff_MPV_common_init_arm(MpegEncContext *s)
43
{
44 45 46 47
    int cpu_flags = av_get_cpu_flags();

    if (have_armv5te(cpu_flags))
        ff_MPV_common_init_armv5te(s);
48

49
    if (have_neon(cpu_flags)) {
50 51 52
        s->dct_unquantize_h263_intra = ff_dct_unquantize_h263_intra_neon;
        s->dct_unquantize_h263_inter = ff_dct_unquantize_h263_inter_neon;
    }
53
}