FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/pixblockdsp.c
Date: 2022-07-07 01:21:54
Exec Total Coverage
Lines: 53 53 100.0%
Branches: 7 10 70.0%

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 *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 104007980 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
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936071820 for (i = 0; i < 8; i++) {
47 832063840 block[0] = pixels[0];
48 832063840 block[1] = pixels[1];
49 832063840 block[2] = pixels[2];
50 832063840 block[3] = pixels[3];
51 832063840 block[4] = pixels[4];
52 832063840 block[5] = pixels[5];
53 832063840 block[6] = pixels[6];
54 832063840 block[7] = pixels[7];
55 832063840 pixels += stride;
56 832063840 block += 8;
57 }
58 104007980 }
59
60 21809450 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
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196285050 for (i = 0; i < 8; i++) {
67 174475600 block[0] = s1[0] - s2[0];
68 174475600 block[1] = s1[1] - s2[1];
69 174475600 block[2] = s1[2] - s2[2];
70 174475600 block[3] = s1[3] - s2[3];
71 174475600 block[4] = s1[4] - s2[4];
72 174475600 block[5] = s1[5] - s2[5];
73 174475600 block[6] = s1[6] - s2[6];
74 174475600 block[7] = s1[7] - s2[7];
75 174475600 s1 += stride;
76 174475600 s2 += stride;
77 174475600 block += 8;
78 }
79 21809450 }
80
81 304 av_cold void ff_pixblockdsp_init(PixblockDSPContext *c, AVCodecContext *avctx)
82 {
83 304 av_unused const unsigned high_bit_depth = avctx->bits_per_raw_sample > 8;
84
85 304 c->diff_pixels_unaligned =
86 304 c->diff_pixels = diff_pixels_c;
87
88
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304 switch (avctx->bits_per_raw_sample) {
89 7 case 9:
90 case 10:
91 case 12:
92 case 14:
93 7 c->get_pixels_unaligned =
94 7 c->get_pixels = get_pixels_16_c;
95 7 break;
96 297 default:
97
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297 if (avctx->bits_per_raw_sample<=8 || avctx->codec_type != AVMEDIA_TYPE_VIDEO) {
98 297 c->get_pixels_unaligned =
99 297 c->get_pixels = get_pixels_8_c;
100 }
101 297 break;
102 }
103
104 #if ARCH_AARCH64
105 ff_pixblockdsp_init_aarch64(c, avctx, high_bit_depth);
106 #elif ARCH_ALPHA
107 ff_pixblockdsp_init_alpha(c, avctx, high_bit_depth);
108 #elif ARCH_ARM
109 ff_pixblockdsp_init_arm(c, avctx, high_bit_depth);
110 #elif ARCH_PPC
111 ff_pixblockdsp_init_ppc(c, avctx, high_bit_depth);
112 #elif ARCH_X86
113 304 ff_pixblockdsp_init_x86(c, avctx, high_bit_depth);
114 #elif ARCH_MIPS
115 ff_pixblockdsp_init_mips(c, avctx, high_bit_depth);
116 #endif
117 304 }
118