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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_MPEGVIDEOENCDSP_H | |
20 | #define AVCODEC_MPEGVIDEOENCDSP_H | |
21 | ||
22 | #include <stdint.h> | |
23 | ||
24 | #include "avcodec.h" | |
25 | ||
26 | #define BASIS_SHIFT 16 | |
27 | #define RECON_SHIFT 6 | |
28 | ||
29 | #define EDGE_TOP 1 | |
30 | #define EDGE_BOTTOM 2 | |
31 | ||
32 | typedef struct MpegvideoEncDSPContext { | |
33 | int (*try_8x8basis)(int16_t rem[64], int16_t weight[64], | |
34 | int16_t basis[64], int scale); | |
35 | void (*add_8x8basis)(int16_t rem[64], int16_t basis[64], int scale); | |
36 | ||
37 | int (*pix_sum)(uint8_t *pix, int line_size); | |
38 | int (*pix_norm1)(uint8_t *pix, int line_size); | |
39 | ||
40 | void (*shrink[4])(uint8_t *dst, int dst_wrap, const uint8_t *src, | |
41 | int src_wrap, int width, int height); | |
42 | ||
43 | void (*draw_edges)(uint8_t *buf, int wrap, int width, int height, | |
44 | int w, int h, int sides); | |
45 | } MpegvideoEncDSPContext; | |
46 | ||
47 | void ff_mpegvideoencdsp_init(MpegvideoEncDSPContext *c, | |
48 | AVCodecContext *avctx); | |
49 | void ff_mpegvideoencdsp_init_arm(MpegvideoEncDSPContext *c, | |
50 | AVCodecContext *avctx); | |
51 | void ff_mpegvideoencdsp_init_ppc(MpegvideoEncDSPContext *c, | |
52 | AVCodecContext *avctx); | |
53 | void ff_mpegvideoencdsp_init_x86(MpegvideoEncDSPContext *c, | |
54 | AVCodecContext *avctx); | |
55 | ||
56 | #endif /* AVCODEC_MPEGVIDEOENCDSP_H */ |