| 1 | /* |
| 2 | * DSP utils |
| 3 | * Copyright (c) 2000, 2001, 2002 Fabrice Bellard |
| 4 | * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> |
| 5 | * |
| 6 | * This file is part of FFmpeg. |
| 7 | * |
| 8 | * FFmpeg is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU Lesser General Public |
| 10 | * License as published by the Free Software Foundation; either |
| 11 | * version 2.1 of the License, or (at your option) any later version. |
| 12 | * |
| 13 | * FFmpeg is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 16 | * Lesser General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU Lesser General Public |
| 19 | * License along with FFmpeg; if not, write to the Free Software |
| 20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 21 | */ |
| 22 | |
| 23 | /** |
| 24 | * @file |
| 25 | * DSP utils. |
| 26 | * This is deprecated |
| 27 | */ |
| 28 | |
| 29 | #ifndef AVCODEC_DSPUTIL_H |
| 30 | #define AVCODEC_DSPUTIL_H |
| 31 | |
| 32 | #include "avcodec.h" |
| 33 | #include "version.h" |
| 34 | #include "me_cmp.h" |
| 35 | |
| 36 | #if FF_API_DSPUTIL |
| 37 | |
| 38 | /* minimum alignment rules ;) |
| 39 | * If you notice errors in the align stuff, need more alignment for some ASM code |
| 40 | * for some CPU or need to use a function with less aligned data then send a mail |
| 41 | * to the ffmpeg-devel mailing list, ... |
| 42 | * |
| 43 | * !warning These alignments might not match reality, (missing attribute((align)) |
| 44 | * stuff somewhere possible). |
| 45 | * I (Michael) did not check them, these are just the alignments which I think |
| 46 | * could be reached easily ... |
| 47 | * |
| 48 | * !future video codecs might need functions with less strict alignment |
| 49 | */ |
| 50 | |
| 51 | struct MpegEncContext; |
| 52 | |
| 53 | /** |
| 54 | * DSPContext. |
| 55 | */ |
| 56 | typedef struct DSPContext { |
| 57 | int (*sum_abs_dctelem)(int16_t *block /* align 16 */); |
| 58 | |
| 59 | me_cmp_func sad[6]; /* identical to pix_absAxA except additional void * */ |
| 60 | me_cmp_func sse[6]; |
| 61 | me_cmp_func hadamard8_diff[6]; |
| 62 | me_cmp_func dct_sad[6]; |
| 63 | me_cmp_func quant_psnr[6]; |
| 64 | me_cmp_func bit[6]; |
| 65 | me_cmp_func rd[6]; |
| 66 | me_cmp_func vsad[6]; |
| 67 | me_cmp_func vsse[6]; |
| 68 | me_cmp_func nsse[6]; |
| 69 | me_cmp_func w53[6]; |
| 70 | me_cmp_func w97[6]; |
| 71 | me_cmp_func dct_max[6]; |
| 72 | me_cmp_func dct264_sad[6]; |
| 73 | |
| 74 | me_cmp_func me_pre_cmp[6]; |
| 75 | me_cmp_func me_cmp[6]; |
| 76 | me_cmp_func me_sub_cmp[6]; |
| 77 | me_cmp_func mb_cmp[6]; |
| 78 | me_cmp_func ildct_cmp[6]; // only width 16 used |
| 79 | me_cmp_func frame_skip_cmp[6]; // only width 8 used |
| 80 | |
| 81 | me_cmp_func pix_abs[2][4]; |
| 82 | } DSPContext; |
| 83 | |
| 84 | attribute_deprecated void avpriv_dsputil_init(DSPContext* p, AVCodecContext *avctx); |
| 85 | |
| 86 | #endif |
| 87 | #endif /* AVCODEC_DSPUTIL_H */ |