| /* |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #ifndef AVCODEC_ME_CMP_H |
| #define AVCODEC_ME_CMP_H |
| |
| #include <stdint.h> |
| |
| #include "avcodec.h" |
| |
| extern const uint32_t ff_square_tab[512]; |
| |
| |
| /* minimum alignment rules ;) |
| * If you notice errors in the align stuff, need more alignment for some ASM code |
| * for some CPU or need to use a function with less aligned data then send a mail |
| * to the ffmpeg-devel mailing list, ... |
| * |
| * !warning These alignments might not match reality, (missing attribute((align)) |
| * stuff somewhere possible). |
| * I (Michael) did not check them, these are just the alignments which I think |
| * could be reached easily ... |
| * |
| * !future video codecs might need functions with less strict alignment |
| */ |
| |
| struct MpegEncContext; |
| /* Motion estimation: |
| * h is limited to { width / 2, width, 2 * width }, |
| * but never larger than 16 and never smaller than 2. |
| * Although currently h < 4 is not used as functions with |
| * width < 8 are neither used nor implemented. */ |
| typedef int (*me_cmp_func)(struct MpegEncContext *c, |
| uint8_t *blk1 /* align width (8 or 16) */, |
| uint8_t *blk2 /* align 1 */, ptrdiff_t stride, |
| int h); |
| |
| typedef struct MECmpContext { |
| int (*sum_abs_dctelem)(int16_t *block /* align 16 */); |
| |
| me_cmp_func sad[6]; /* identical to pix_absAxA except additional void * */ |
| me_cmp_func sse[6]; |
| me_cmp_func hadamard8_diff[6]; |
| me_cmp_func dct_sad[6]; |
| me_cmp_func quant_psnr[6]; |
| me_cmp_func bit[6]; |
| me_cmp_func rd[6]; |
| me_cmp_func vsad[6]; |
| me_cmp_func vsse[6]; |
| me_cmp_func nsse[6]; |
| me_cmp_func w53[6]; |
| me_cmp_func w97[6]; |
| me_cmp_func dct_max[6]; |
| me_cmp_func dct264_sad[6]; |
| |
| me_cmp_func me_pre_cmp[6]; |
| me_cmp_func me_cmp[6]; |
| me_cmp_func me_sub_cmp[6]; |
| me_cmp_func mb_cmp[6]; |
| me_cmp_func ildct_cmp[6]; // only width 16 used |
| me_cmp_func frame_skip_cmp[6]; // only width 8 used |
| |
| me_cmp_func pix_abs[2][4]; |
| me_cmp_func median_sad[6]; |
| } MECmpContext; |
| |
| int ff_check_alignment(void); |
| |
| void ff_me_cmp_init(MECmpContext *c, AVCodecContext *avctx); |
| void ff_me_cmp_init_alpha(MECmpContext *c, AVCodecContext *avctx); |
| void ff_me_cmp_init_arm(MECmpContext *c, AVCodecContext *avctx); |
| void ff_me_cmp_init_ppc(MECmpContext *c, AVCodecContext *avctx); |
| void ff_me_cmp_init_x86(MECmpContext *c, AVCodecContext *avctx); |
| void ff_me_cmp_init_mips(MECmpContext *c, AVCodecContext *avctx); |
| |
| void ff_set_cmp(MECmpContext *c, me_cmp_func *cmp, int type); |
| |
| void ff_dsputil_init_dwt(MECmpContext *c); |
| |
| #endif /* AVCODEC_ME_CMP_H */ |