blob: 0dbbcbb1d9a588a32f0fc74c65023e7e924e2f9c
1 | /* |
2 | * This file is part of FFmpeg. |
3 | * |
4 | * FFmpeg is free software; you can redistribute it and/or |
5 | * modify it under the terms of the GNU Lesser General Public |
6 | * License as published by the Free Software Foundation; either |
7 | * version 2.1 of the License, or (at your option) any later version. |
8 | * |
9 | * FFmpeg is distributed in the hope that it will be useful, |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | * Lesser General Public License for more details. |
13 | * |
14 | * You should have received a copy of the GNU Lesser General Public |
15 | * License along with FFmpeg; if not, write to the Free Software |
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
17 | */ |
18 | |
19 | #ifndef AVCODEC_ME_CMP_H |
20 | #define AVCODEC_ME_CMP_H |
21 | |
22 | #include <stdint.h> |
23 | |
24 | #include "avcodec.h" |
25 | |
26 | extern uint32_t ff_square_tab[512]; |
27 | |
28 | |
29 | /* minimum alignment rules ;) |
30 | * If you notice errors in the align stuff, need more alignment for some ASM code |
31 | * for some CPU or need to use a function with less aligned data then send a mail |
32 | * to the ffmpeg-devel mailing list, ... |
33 | * |
34 | * !warning These alignments might not match reality, (missing attribute((align)) |
35 | * stuff somewhere possible). |
36 | * I (Michael) did not check them, these are just the alignments which I think |
37 | * could be reached easily ... |
38 | * |
39 | * !future video codecs might need functions with less strict alignment |
40 | */ |
41 | |
42 | struct MpegEncContext; |
43 | /* Motion estimation: |
44 | * h is limited to { width / 2, width, 2 * width }, |
45 | * but never larger than 16 and never smaller than 2. |
46 | * Although currently h < 4 is not used as functions with |
47 | * width < 8 are neither used nor implemented. */ |
48 | typedef int (*me_cmp_func)(struct MpegEncContext *c, |
49 | uint8_t *blk1 /* align width (8 or 16) */, |
50 | uint8_t *blk2 /* align 1 */, ptrdiff_t stride, |
51 | int h); |
52 | |
53 | typedef struct MECmpContext { |
54 | int (*sum_abs_dctelem)(int16_t *block /* align 16 */); |
55 | |
56 | me_cmp_func sad[6]; /* identical to pix_absAxA except additional void * */ |
57 | me_cmp_func sse[6]; |
58 | me_cmp_func hadamard8_diff[6]; |
59 | me_cmp_func dct_sad[6]; |
60 | me_cmp_func quant_psnr[6]; |
61 | me_cmp_func bit[6]; |
62 | me_cmp_func rd[6]; |
63 | me_cmp_func vsad[6]; |
64 | me_cmp_func vsse[6]; |
65 | me_cmp_func nsse[6]; |
66 | me_cmp_func w53[6]; |
67 | me_cmp_func w97[6]; |
68 | me_cmp_func dct_max[6]; |
69 | me_cmp_func dct264_sad[6]; |
70 | |
71 | me_cmp_func me_pre_cmp[6]; |
72 | me_cmp_func me_cmp[6]; |
73 | me_cmp_func me_sub_cmp[6]; |
74 | me_cmp_func mb_cmp[6]; |
75 | me_cmp_func ildct_cmp[6]; // only width 16 used |
76 | me_cmp_func frame_skip_cmp[6]; // only width 8 used |
77 | |
78 | me_cmp_func pix_abs[2][4]; |
79 | me_cmp_func median_sad[6]; |
80 | } MECmpContext; |
81 | |
82 | void ff_me_cmp_init_static(void); |
83 | |
84 | int ff_check_alignment(void); |
85 | |
86 | void ff_me_cmp_init(MECmpContext *c, AVCodecContext *avctx); |
87 | void ff_me_cmp_init_alpha(MECmpContext *c, AVCodecContext *avctx); |
88 | void ff_me_cmp_init_arm(MECmpContext *c, AVCodecContext *avctx); |
89 | void ff_me_cmp_init_ppc(MECmpContext *c, AVCodecContext *avctx); |
90 | void ff_me_cmp_init_x86(MECmpContext *c, AVCodecContext *avctx); |
91 | void ff_me_cmp_init_mips(MECmpContext *c, AVCodecContext *avctx); |
92 | |
93 | void ff_set_cmp(MECmpContext *c, me_cmp_func *cmp, int type); |
94 | |
95 | void ff_dsputil_init_dwt(MECmpContext *c); |
96 | |
97 | #endif /* AVCODEC_ME_CMP_H */ |
98 |