Line data Source code
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 : #include <stdint.h>
20 :
21 : #include "config.h"
22 : #include "libavutil/attributes.h"
23 : #include "libavutil/intreadwrite.h"
24 : #include "avcodec.h"
25 : #include "pixblockdsp.h"
26 :
27 3902400 : static void get_pixels_16_c(int16_t *av_restrict block, const uint8_t *pixels,
28 : ptrdiff_t stride)
29 : {
30 3902400 : AV_COPY128U(block + 0 * 8, pixels + 0 * stride);
31 3902400 : AV_COPY128U(block + 1 * 8, pixels + 1 * stride);
32 3902400 : AV_COPY128U(block + 2 * 8, pixels + 2 * stride);
33 3902400 : AV_COPY128U(block + 3 * 8, pixels + 3 * stride);
34 3902400 : AV_COPY128U(block + 4 * 8, pixels + 4 * stride);
35 3902400 : AV_COPY128U(block + 5 * 8, pixels + 5 * stride);
36 3902400 : AV_COPY128U(block + 6 * 8, pixels + 6 * stride);
37 3902400 : AV_COPY128U(block + 7 * 8, pixels + 7 * stride);
38 3902400 : }
39 :
40 89689174 : static void get_pixels_8_c(int16_t *av_restrict block, const uint8_t *pixels,
41 : ptrdiff_t stride)
42 : {
43 : int i;
44 :
45 : /* read the pixels */
46 807202566 : for (i = 0; i < 8; i++) {
47 717513392 : block[0] = pixels[0];
48 717513392 : block[1] = pixels[1];
49 717513392 : block[2] = pixels[2];
50 717513392 : block[3] = pixels[3];
51 717513392 : block[4] = pixels[4];
52 717513392 : block[5] = pixels[5];
53 717513392 : block[6] = pixels[6];
54 717513392 : block[7] = pixels[7];
55 717513392 : pixels += stride;
56 717513392 : block += 8;
57 : }
58 89689174 : }
59 :
60 20753780 : static void diff_pixels_c(int16_t *av_restrict block, const uint8_t *s1,
61 : const uint8_t *s2, ptrdiff_t stride)
62 : {
63 : int i;
64 :
65 : /* read the pixels */
66 186784020 : for (i = 0; i < 8; i++) {
67 166030240 : block[0] = s1[0] - s2[0];
68 166030240 : block[1] = s1[1] - s2[1];
69 166030240 : block[2] = s1[2] - s2[2];
70 166030240 : block[3] = s1[3] - s2[3];
71 166030240 : block[4] = s1[4] - s2[4];
72 166030240 : block[5] = s1[5] - s2[5];
73 166030240 : block[6] = s1[6] - s2[6];
74 166030240 : block[7] = s1[7] - s2[7];
75 166030240 : s1 += stride;
76 166030240 : s2 += stride;
77 166030240 : block += 8;
78 : }
79 20753780 : }
80 :
81 290 : av_cold void ff_pixblockdsp_init(PixblockDSPContext *c, AVCodecContext *avctx)
82 : {
83 290 : const unsigned high_bit_depth = avctx->bits_per_raw_sample > 8;
84 :
85 290 : c->diff_pixels_unaligned =
86 290 : c->diff_pixels = diff_pixels_c;
87 :
88 290 : switch (avctx->bits_per_raw_sample) {
89 7 : case 9:
90 : case 10:
91 : case 12:
92 : case 14:
93 7 : c->get_pixels = get_pixels_16_c;
94 7 : break;
95 283 : default:
96 283 : if (avctx->bits_per_raw_sample<=8 || avctx->codec_type != AVMEDIA_TYPE_VIDEO) {
97 283 : c->get_pixels = get_pixels_8_c;
98 : }
99 283 : break;
100 : }
101 :
102 : if (ARCH_ALPHA)
103 : ff_pixblockdsp_init_alpha(c, avctx, high_bit_depth);
104 : if (ARCH_ARM)
105 : ff_pixblockdsp_init_arm(c, avctx, high_bit_depth);
106 : if (ARCH_PPC)
107 : ff_pixblockdsp_init_ppc(c, avctx, high_bit_depth);
108 : if (ARCH_X86)
109 290 : ff_pixblockdsp_init_x86(c, avctx, high_bit_depth);
110 : if (ARCH_MIPS)
111 : ff_pixblockdsp_init_mips(c, avctx, high_bit_depth);
112 290 : }
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