GCC Code Coverage Report
Directory: ../../../ffmpeg/ Exec Total Coverage
File: src/libavfilter/dnn/dnn_backend_native_layer_maximum.c Lines: 17 33 51.5 %
Date: 2020-08-14 10:39:37 Branches: 8 16 50.0 %

Line Branch Exec Source
1
/*
2
 * Copyright (c) 2019 Guo Yejun
3
 *
4
 * This file is part of FFmpeg.
5
 *
6
 * FFmpeg is free software; you can redistribute it and/or
7
 * modify it under the terms of the GNU Lesser General Public
8
 * License as published by the Free Software Foundation; either
9
 * version 2.1 of the License, or (at your option) any later version.
10
 *
11
 * FFmpeg is distributed in the hope that it will be useful,
12
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14
 * Lesser General Public License for more details.
15
 *
16
 * You should have received a copy of the GNU Lesser General Public
17
 * License along with FFmpeg; if not, write to the Free Software
18
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19
 */
20
21
/**
22
 * @file
23
 * DNN native backend implementation.
24
 */
25
26
#include "dnn_backend_native.h"
27
#include "libavutil/avassert.h"
28
#include "dnn_backend_native_layer_maximum.h"
29
30
int dnn_load_layer_maximum(Layer *layer, AVIOContext *model_file_context, int file_size, int operands_num)
31
{
32
    DnnLayerMaximumParams *params;
33
    int dnn_size = 0;
34
    params = av_malloc(sizeof(*params));
35
    if (!params)
36
        return 0;
37
38
    params->val.u32 = avio_rl32(model_file_context);
39
    dnn_size += 4;
40
    layer->params = params;
41
    layer->input_operand_indexes[0] = (int32_t)avio_rl32(model_file_context);
42
    layer->output_operand_index = (int32_t)avio_rl32(model_file_context);
43
    dnn_size += 8;
44
45
    if (layer->input_operand_indexes[0] >= operands_num || layer->output_operand_index >= operands_num) {
46
        return 0;
47
    }
48
49
    return dnn_size;
50
}
51
52
1
int dnn_execute_layer_maximum(DnnOperand *operands, const int32_t *input_operand_indexes,
53
                              int32_t output_operand_index, const void *parameters)
54
{
55
1
    const DnnOperand *input = &operands[input_operand_indexes[0]];
56
1
    DnnOperand *output = &operands[output_operand_index];
57
1
    const DnnLayerMaximumParams *params = (const DnnLayerMaximumParams *)parameters;
58
    int dims_count;
59
    const float *src;
60
    float *dst;
61
62
5
    for (int i = 0; i < 4; ++i)
63
4
        output->dims[i] = input->dims[i];
64
65
1
    output->data_type = input->data_type;
66
1
    output->length = calculate_operand_data_length(output);
67
1
    if (output->length <= 0)
68
        return DNN_ERROR;
69
1
    output->data = av_realloc(output->data, output->length);
70
1
    if (!output->data)
71
        return DNN_ERROR;
72
73
1
    dims_count = calculate_operand_dims_count(output);
74
1
    src = input->data;
75
1
    dst = output->data;
76
7
    for (int i = 0; i < dims_count; ++i)
77
6
        dst[i] = FFMAX(src[i], params->val.y);
78
79
1
    return 0;
80
}