2 * Copyright (c) 2002 Michael Niedermayer
4 * This file is part of FFmpeg.
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.
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.
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
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"
29 AV_CHECK_OFFSET(MpegEncContext
, y_dc_scale
, Y_DC_SCALE
);
30 AV_CHECK_OFFSET(MpegEncContext
, c_dc_scale
, C_DC_SCALE
);
31 AV_CHECK_OFFSET(MpegEncContext
, ac_pred
, AC_PRED
);
32 AV_CHECK_OFFSET(MpegEncContext
, block_last_index
, BLOCK_LAST_INDEX
);
33 AV_CHECK_OFFSET(MpegEncContext
, inter_scantable
.raster_end
,
34 INTER_SCANTAB_RASTER_END
);
35 AV_CHECK_OFFSET(MpegEncContext
, h263_aic
, H263_AIC
);
38 void ff_dct_unquantize_h263_inter_neon(MpegEncContext
*s
, int16_t *block
,
40 void ff_dct_unquantize_h263_intra_neon(MpegEncContext
*s
, int16_t *block
,
43 av_cold
void ff_mpv_common_init_arm(MpegEncContext
*s
)
45 int cpu_flags
= av_get_cpu_flags();
47 if (have_armv5te(cpu_flags
))
48 ff_mpv_common_init_armv5te(s
);
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
;