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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 | |
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); | |
36 | #endif | |
37 | ||
38 | void ff_dct_unquantize_h263_inter_neon(MpegEncContext *s, int16_t *block, | |
39 | int n, int qscale); | |
40 | void ff_dct_unquantize_h263_intra_neon(MpegEncContext *s, int16_t *block, | |
41 | int n, int qscale); | |
42 | ||
43 | av_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 | } |