2 * Copyright (c) 2009 Mans Rullgard <mans@mansr.com>
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 #include "libavcodec/avcodec.h"
24 #include "dsputil_arm.h"
26 void ff_simple_idct_armv6(int16_t *data);
27 void ff_simple_idct_put_armv6(uint8_t *dest, int line_size, int16_t *data);
28 void ff_simple_idct_add_armv6(uint8_t *dest, int line_size, int16_t *data);
30 void ff_add_pixels_clamped_armv6(const int16_t *block,
31 uint8_t *restrict pixels,
34 void ff_get_pixels_armv6(int16_t *block, const uint8_t *pixels, int stride);
35 void ff_diff_pixels_armv6(int16_t *block, const uint8_t *s1,
36 const uint8_t *s2, int stride);
38 int ff_pix_abs16_armv6(void *s, uint8_t *blk1, uint8_t *blk2,
39 int line_size, int h);
40 int ff_pix_abs16_x2_armv6(void *s, uint8_t *blk1, uint8_t *blk2,
41 int line_size, int h);
42 int ff_pix_abs16_y2_armv6(void *s, uint8_t *blk1, uint8_t *blk2,
43 int line_size, int h);
45 int ff_pix_abs8_armv6(void *s, uint8_t *blk1, uint8_t *blk2,
46 int line_size, int h);
48 int ff_sse16_armv6(void *s, uint8_t *blk1, uint8_t *blk2,
49 int line_size, int h);
51 int ff_pix_norm1_armv6(uint8_t *pix, int line_size);
52 int ff_pix_sum_armv6(uint8_t *pix, int line_size);
54 av_cold void ff_dsputil_init_armv6(DSPContext *c, AVCodecContext *avctx)
56 const int high_bit_depth = avctx->bits_per_raw_sample > 8;
58 if (!avctx->lowres && avctx->bits_per_raw_sample <= 8 &&
59 (avctx->idct_algo == FF_IDCT_AUTO ||
60 avctx->idct_algo == FF_IDCT_SIMPLEARMV6)) {
61 c->idct_put = ff_simple_idct_put_armv6;
62 c->idct_add = ff_simple_idct_add_armv6;
63 c->idct = ff_simple_idct_armv6;
64 c->idct_permutation_type = FF_LIBMPEG2_IDCT_PERM;
68 c->get_pixels = ff_get_pixels_armv6;
69 c->add_pixels_clamped = ff_add_pixels_clamped_armv6;
70 c->diff_pixels = ff_diff_pixels_armv6;
72 c->pix_abs[0][0] = ff_pix_abs16_armv6;
73 c->pix_abs[0][1] = ff_pix_abs16_x2_armv6;
74 c->pix_abs[0][2] = ff_pix_abs16_y2_armv6;
76 c->pix_abs[1][0] = ff_pix_abs8_armv6;
78 c->sad[0] = ff_pix_abs16_armv6;
79 c->sad[1] = ff_pix_abs8_armv6;
81 c->sse[0] = ff_sse16_armv6;
83 c->pix_norm1 = ff_pix_norm1_armv6;
84 c->pix_sum = ff_pix_sum_armv6;