FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavcodec/pixblockdsp.c
Date: 2024-11-20 23:03:26
Exec Total Coverage
Lines: 47 57 82.5%
Functions: 4 5 80.0%
Branches: 9 12 75.0%
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 "avcodec.h"
25 #include "pixblockdsp.h"
26
27 3902400 static void get_pixels_16_c(int16_t *restrict block, const uint8_t *pixels,
28 ptrdiff_t stride)
29 {
30
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 35121600 for (int i = 0; i < 8; i++)
31 31219200 AV_COPY128(block + i * 8, pixels + i * stride);
32 3902400 }
33
34 ✗ static void get_pixels_unaligned_16_c(int16_t *restrict block,
35 const uint8_t *pixels, ptrdiff_t stride)
36 {
37 ✗ AV_COPY128U(block + 0 * 8, pixels + 0 * stride);
38 ✗ AV_COPY128U(block + 1 * 8, pixels + 1 * stride);
39 ✗ AV_COPY128U(block + 2 * 8, pixels + 2 * stride);
40 ✗ AV_COPY128U(block + 3 * 8, pixels + 3 * stride);
41 ✗ AV_COPY128U(block + 4 * 8, pixels + 4 * stride);
42 ✗ AV_COPY128U(block + 5 * 8, pixels + 5 * stride);
43 ✗ AV_COPY128U(block + 6 * 8, pixels + 6 * stride);
44 ✗ AV_COPY128U(block + 7 * 8, pixels + 7 * stride);
45 ✗ }
46
47 106963202 static void get_pixels_8_c(int16_t *restrict block, const uint8_t *pixels,
48 ptrdiff_t stride)
49 {
50 int i;
51
52 /* read the pixels */
53
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 962668818 for (i = 0; i < 8; i++) {
54 855705616 block[0] = pixels[0];
55 855705616 block[1] = pixels[1];
56 855705616 block[2] = pixels[2];
57 855705616 block[3] = pixels[3];
58 855705616 block[4] = pixels[4];
59 855705616 block[5] = pixels[5];
60 855705616 block[6] = pixels[6];
61 855705616 block[7] = pixels[7];
62 855705616 pixels += stride;
63 855705616 block += 8;
64 }
65 106963202 }
66
67 22983810 static void diff_pixels_c(int16_t *restrict block, const uint8_t *s1,
68 const uint8_t *s2, ptrdiff_t stride)
69 {
70 int i;
71
72 /* read the pixels */
73
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 206854290 for (i = 0; i < 8; i++) {
74 183870480 block[0] = s1[0] - s2[0];
75 183870480 block[1] = s1[1] - s2[1];
76 183870480 block[2] = s1[2] - s2[2];
77 183870480 block[3] = s1[3] - s2[3];
78 183870480 block[4] = s1[4] - s2[4];
79 183870480 block[5] = s1[5] - s2[5];
80 183870480 block[6] = s1[6] - s2[6];
81 183870480 block[7] = s1[7] - s2[7];
82 183870480 s1 += stride;
83 183870480 s2 += stride;
84 183870480 block += 8;
85 }
86 22983810 }
87
88 322 av_cold void ff_pixblockdsp_init(PixblockDSPContext *c, AVCodecContext *avctx)
89 {
90 322 av_unused const unsigned high_bit_depth = avctx->bits_per_raw_sample > 8;
91
92 322 c->diff_pixels_unaligned =
93 322 c->diff_pixels = diff_pixels_c;
94
95
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 322 switch (avctx->bits_per_raw_sample) {
96 7 case 9:
97 case 10:
98 case 12:
99 case 14:
100 7 c->get_pixels_unaligned = get_pixels_unaligned_16_c;
101 7 c->get_pixels = get_pixels_16_c;
102 7 break;
103 315 default:
104
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 315 if (avctx->bits_per_raw_sample<=8 || avctx->codec_type != AVMEDIA_TYPE_VIDEO) {
105 315 c->get_pixels_unaligned =
106 315 c->get_pixels = get_pixels_8_c;
107 }
108 315 break;
109 }
110
111 #if ARCH_AARCH64
112 ff_pixblockdsp_init_aarch64(c, avctx, high_bit_depth);
113 #elif ARCH_ARM
114 ff_pixblockdsp_init_arm(c, avctx, high_bit_depth);
115 #elif ARCH_PPC
116 ff_pixblockdsp_init_ppc(c, avctx, high_bit_depth);
117 #elif ARCH_RISCV
118 ff_pixblockdsp_init_riscv(c, avctx, high_bit_depth);
119 #elif ARCH_X86
120 322 ff_pixblockdsp_init_x86(c, avctx, high_bit_depth);
121 #elif ARCH_MIPS
122 ff_pixblockdsp_init_mips(c, avctx, high_bit_depth);
123 #endif
124 322 }
125