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2ba45a60 DM |
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) */, | |
f6fa7814 DM |
50 | uint8_t *blk2 /* align 1 */, ptrdiff_t stride, |
51 | int h); | |
2ba45a60 DM |
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 | } MECmpContext; | |
80 | ||
81 | void ff_me_cmp_init_static(void); | |
82 | ||
83 | int ff_check_alignment(void); | |
84 | ||
85 | void ff_me_cmp_init(MECmpContext *c, AVCodecContext *avctx); | |
86 | void ff_me_cmp_init_alpha(MECmpContext *c, AVCodecContext *avctx); | |
87 | void ff_me_cmp_init_arm(MECmpContext *c, AVCodecContext *avctx); | |
88 | void ff_me_cmp_init_ppc(MECmpContext *c, AVCodecContext *avctx); | |
89 | void ff_me_cmp_init_x86(MECmpContext *c, AVCodecContext *avctx); | |
90 | ||
91 | void ff_set_cmp(MECmpContext *c, me_cmp_func *cmp, int type); | |
92 | ||
93 | void ff_dsputil_init_dwt(MECmpContext *c); | |
94 | ||
95 | #endif /* AVCODEC_ME_CMP_H */ |