FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/tests/checkasm/apv_dsp.c
Date: 2025-11-28 06:05:02
Exec Total Coverage
Lines: 36 38 94.7%
Functions: 3 3 100.0%
Branches: 12 28 42.9%
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 "checkasm.h"
22
23 #include "libavutil/attributes.h"
24 #include "libavutil/mem_internal.h"
25 #include "libavcodec/apv_dsp.h"
26
27
28 2 static void check_decode_transquant_8(void)
29 {
30 2 LOCAL_ALIGNED_16(int16_t, input, [64]);
31 2 LOCAL_ALIGNED_16(int16_t, qmatrix, [64]);
32 2 LOCAL_ALIGNED_16(uint8_t, new_output, [64]);
33 2 LOCAL_ALIGNED_16(uint8_t, ref_output, [64]);
34
35 2 declare_func(void,
36 void *output,
37 ptrdiff_t pitch,
38 const int16_t *input,
39 const int16_t *qmatrix,
40 int bit_depth,
41 int qp_shift);
42
43
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 130 for (int i = 0; i < 64; i++) {
44 // Any signed 12-bit integer.
45 128 input[i] = rnd() % 2048 - 1024;
46
47 // qmatrix input is premultiplied by level_scale, so
48 // range is 1 to 255 * 71. Interesting values are all
49 // at the low end of that, though.
50 128 qmatrix[i] = rnd() % 16 + 16;
51 }
52
53 2 call_ref(ref_output, 8, input, qmatrix, 8, 4);
54 2 call_new(new_output, 8, input, qmatrix, 8, 4);
55
56
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 2 if (memcmp(new_output, ref_output, 64 * sizeof(*ref_output)))
57 ✗ fail();
58
59
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 2 bench_new(new_output, 8, input, qmatrix, 8, 4);
60 2 }
61
62 2 static void check_decode_transquant_10(void)
63 {
64 2 LOCAL_ALIGNED_16( int16_t, input, [64]);
65 2 LOCAL_ALIGNED_16( int16_t, qmatrix, [64]);
66 2 LOCAL_ALIGNED_16(uint16_t, new_output, [64]);
67 2 LOCAL_ALIGNED_16(uint16_t, ref_output, [64]);
68
69 2 declare_func(void,
70 void *output,
71 ptrdiff_t pitch,
72 const int16_t *input,
73 const int16_t *qmatrix,
74 int bit_depth,
75 int qp_shift);
76
77
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 130 for (int i = 0; i < 64; i++) {
78 // Any signed 14-bit integer.
79 128 input[i] = rnd() % 16384 - 8192;
80
81 // qmatrix input is premultiplied by level_scale, so
82 // range is 1 to 255 * 71. Interesting values are all
83 // at the low end of that, though.
84 128 qmatrix[i] = 16; //rnd() % 16 + 16;
85 }
86
87 2 call_ref(ref_output, 16, input, qmatrix, 10, 4);
88 2 call_new(new_output, 16, input, qmatrix, 10, 4);
89
90
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 2 if (memcmp(new_output, ref_output, 64 * sizeof(*ref_output)))
91 ✗ fail();
92
93
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 2 bench_new(new_output, 16, input, qmatrix, 10, 4);
94 2 }
95
96 13 void checkasm_check_apv_dsp(void)
97 {
98 APVDSPContext dsp;
99
100 13 ff_apv_dsp_init(&dsp);
101
102
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 13 if (check_func(dsp.decode_transquant, "decode_transquant_8"))
103 2 check_decode_transquant_8();
104
105
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 13 if (check_func(dsp.decode_transquant, "decode_transquant_10"))
106 2 check_decode_transquant_10();
107
108 13 report("decode_transquant");
109 13 }
110