FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/pixblockdsp.c
Date: 2025-06-01 09:29:47
Exec Total Coverage
Lines: 42 52 80.8%
Functions: 4 5 80.0%
Branches: 11 12 91.7%

Line Branch Exec Source
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 "pixblockdsp.h"
25
26 3902400 static void get_pixels_16_c(int16_t *restrict block, const uint8_t *pixels,
27 ptrdiff_t stride)
28 {
29
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35121600 for (int i = 0; i < 8; i++)
30 31219200 AV_COPY128(block + i * 8, pixels + i * stride);
31 3902400 }
32
33 static void get_pixels_unaligned_16_c(int16_t *restrict block,
34 const uint8_t *pixels, ptrdiff_t stride)
35 {
36 AV_COPY128U(block + 0 * 8, pixels + 0 * stride);
37 AV_COPY128U(block + 1 * 8, pixels + 1 * stride);
38 AV_COPY128U(block + 2 * 8, pixels + 2 * stride);
39 AV_COPY128U(block + 3 * 8, pixels + 3 * stride);
40 AV_COPY128U(block + 4 * 8, pixels + 4 * stride);
41 AV_COPY128U(block + 5 * 8, pixels + 5 * stride);
42 AV_COPY128U(block + 6 * 8, pixels + 6 * stride);
43 AV_COPY128U(block + 7 * 8, pixels + 7 * stride);
44 }
45
46 106972460 static void get_pixels_8_c(int16_t *restrict block, const uint8_t *pixels,
47 ptrdiff_t stride)
48 {
49 int i;
50
51 /* read the pixels */
52
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962752140 for (i = 0; i < 8; i++) {
53 855779680 block[0] = pixels[0];
54 855779680 block[1] = pixels[1];
55 855779680 block[2] = pixels[2];
56 855779680 block[3] = pixels[3];
57 855779680 block[4] = pixels[4];
58 855779680 block[5] = pixels[5];
59 855779680 block[6] = pixels[6];
60 855779680 block[7] = pixels[7];
61 855779680 pixels += stride;
62 855779680 block += 8;
63 }
64 106972460 }
65
66 22851360 static void diff_pixels_c(int16_t *restrict block, const uint8_t *s1,
67 const uint8_t *s2, ptrdiff_t stride)
68 {
69 int i;
70
71 /* read the pixels */
72
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205662240 for (i = 0; i < 8; i++) {
73 182810880 block[0] = s1[0] - s2[0];
74 182810880 block[1] = s1[1] - s2[1];
75 182810880 block[2] = s1[2] - s2[2];
76 182810880 block[3] = s1[3] - s2[3];
77 182810880 block[4] = s1[4] - s2[4];
78 182810880 block[5] = s1[5] - s2[5];
79 182810880 block[6] = s1[6] - s2[6];
80 182810880 block[7] = s1[7] - s2[7];
81 182810880 s1 += stride;
82 182810880 s2 += stride;
83 182810880 block += 8;
84 }
85 22851360 }
86
87 322 av_cold void ff_pixblockdsp_init(PixblockDSPContext *c, int bits_per_raw_sample)
88 {
89
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322 const unsigned high_bit_depth = bits_per_raw_sample > 8 &&
90 bits_per_raw_sample <= 16;
91
92 322 c->diff_pixels_unaligned =
93 322 c->diff_pixels = diff_pixels_c;
94
95
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322 if (high_bit_depth) {
96 7 c->get_pixels_unaligned = get_pixels_unaligned_16_c;
97 7 c->get_pixels = get_pixels_16_c;
98 } else {
99 315 c->get_pixels_unaligned =
100 315 c->get_pixels = get_pixels_8_c;
101 }
102
103 #if ARCH_AARCH64
104 ff_pixblockdsp_init_aarch64(c, high_bit_depth);
105 #elif ARCH_ARM
106 ff_pixblockdsp_init_arm(c, high_bit_depth);
107 #elif ARCH_PPC
108 ff_pixblockdsp_init_ppc(c, high_bit_depth);
109 #elif ARCH_RISCV
110 ff_pixblockdsp_init_riscv(c, high_bit_depth);
111 #elif ARCH_X86
112 322 ff_pixblockdsp_init_x86(c, high_bit_depth);
113 #elif ARCH_MIPS
114 ff_pixblockdsp_init_mips(c, high_bit_depth);
115 #endif
116 322 }
117