From 2d60444331fca1910510038dd3817bea885c2367 Mon Sep 17 00:00:00 2001 From: Diego Biurrun Date: Sat, 8 Feb 2014 02:59:58 +0100 Subject: dsputil: Split motion estimation compare bits off into their own context --- libavcodec/me_cmp.h | 73 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 libavcodec/me_cmp.h (limited to 'libavcodec/me_cmp.h') diff --git a/libavcodec/me_cmp.h b/libavcodec/me_cmp.h new file mode 100644 index 0000000000..05ae30b0c1 --- /dev/null +++ b/libavcodec/me_cmp.h @@ -0,0 +1,73 @@ +/* + * This file is part of Libav. + * + * Libav 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. + * + * Libav 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 Libav; 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 + +#include "avcodec.h" + +extern uint32_t ff_square_tab[512]; + +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 */, int line_size, 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 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]; +} MECmpContext; + +void ff_me_cmp_init_static(void); + +void ff_me_cmp_init(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_set_cmp(MECmpContext *c, me_cmp_func *cmp, int type); + +#endif /* AVCODEC_ME_CMP_H */ -- cgit v1.2.3