FFmpeg
dnn-layer-mathbinary.c
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2020
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 #include <stdio.h>
22 #include <string.h>
23 #include <math.h>
25 #include "libavutil/avassert.h"
26 
27 #define EPSON 0.00005
28 
29 static float get_expected(float f1, float f2, DNNMathBinaryOperation op)
30 {
31  switch (op)
32  {
33  case DMBO_SUB:
34  return f1 - f2;
35  case DMBO_ADD:
36  return f1 + f2;
37  case DMBO_MUL:
38  return f1 * f2;
39  case DMBO_REALDIV:
40  return f1 / f2;
41  case DMBO_MINIMUM:
42  return (f1 < f2) ? f1 : f2;
43  case DMBO_FLOORMOD:
44  return (float)((int)(f1) % (int)(f2));
45  default:
46  av_assert0(!"not supported yet");
47  return 0.f;
48  }
49 }
50 
52 {
54  DnnOperand operands[2];
55  int32_t input_indexes[1];
56  float input[1*1*2*3] = {
57  -3, 2.5, 2, -2.1, 7.8, 100
58  };
59  float *output;
60 
61  params.bin_op = op;
62  params.input0_broadcast = 1;
63  params.input1_broadcast = 0;
64  params.v = 7.28;
65 
66  operands[0].data = input;
67  operands[0].dims[0] = 1;
68  operands[0].dims[1] = 1;
69  operands[0].dims[2] = 2;
70  operands[0].dims[3] = 3;
71  operands[1].data = NULL;
72 
73  input_indexes[0] = 0;
74  ff_dnn_execute_layer_math_binary(operands, input_indexes, 1, &params, NULL);
75 
76  output = operands[1].data;
77  for (int i = 0; i < sizeof(input) / sizeof(float); i++) {
78  float expected_output = get_expected(params.v, input[i], op);
79  if (fabs(output[i] - expected_output) > EPSON) {
80  printf("op %d, at index %d, output: %f, expected_output: %f (%s:%d)\n",
81  op, i, output[i], expected_output, __FILE__, __LINE__);
82  av_freep(&output);
83  return 1;
84  }
85  }
86 
87  av_freep(&output);
88  return 0;
89 }
90 
92 {
94  DnnOperand operands[2];
95  int32_t input_indexes[1];
96  float input[1*1*2*3] = {
97  -3, 2.5, 2, -2.1, 7.8, 100
98  };
99  float *output;
100 
101  params.bin_op = op;
102  params.input0_broadcast = 0;
103  params.input1_broadcast = 1;
104  params.v = 7.28;
105 
106  operands[0].data = input;
107  operands[0].dims[0] = 1;
108  operands[0].dims[1] = 1;
109  operands[0].dims[2] = 2;
110  operands[0].dims[3] = 3;
111  operands[1].data = NULL;
112 
113  input_indexes[0] = 0;
114  ff_dnn_execute_layer_math_binary(operands, input_indexes, 1, &params, NULL);
115 
116  output = operands[1].data;
117  for (int i = 0; i < sizeof(input) / sizeof(float); i++) {
118  float expected_output = get_expected(input[i], params.v, op);
119  if (fabs(output[i] - expected_output) > EPSON) {
120  printf("op %d, at index %d, output: %f, expected_output: %f (%s:%d)\n",
121  op, i, output[i], expected_output, __FILE__, __LINE__);
122  av_freep(&output);
123  return 1;
124  }
125  }
126 
127  av_freep(&output);
128  return 0;
129 }
130 
132 {
134  DnnOperand operands[3];
135  int32_t input_indexes[2];
136  float input0[1*1*2*3] = {
137  -3, 2.5, 2, -2.1, 7.8, 100
138  };
139  float input1[1*1*2*3] = {
140  -1, 2, 3, -21, 8, 10.0
141  };
142  float *output;
143 
144  params.bin_op = op;
145  params.input0_broadcast = 0;
146  params.input1_broadcast = 0;
147 
148  operands[0].data = input0;
149  operands[0].dims[0] = 1;
150  operands[0].dims[1] = 1;
151  operands[0].dims[2] = 2;
152  operands[0].dims[3] = 3;
153  operands[1].data = input1;
154  operands[1].dims[0] = 1;
155  operands[1].dims[1] = 1;
156  operands[1].dims[2] = 2;
157  operands[1].dims[3] = 3;
158  operands[2].data = NULL;
159 
160  input_indexes[0] = 0;
161  input_indexes[1] = 1;
162  ff_dnn_execute_layer_math_binary(operands, input_indexes, 2, &params, NULL);
163 
164  output = operands[2].data;
165  for (int i = 0; i < sizeof(input0) / sizeof(float); i++) {
166  float expected_output = get_expected(input0[i], input1[i], op);
167  if (fabs(output[i] - expected_output) > EPSON) {
168  printf("op %d, at index %d, output: %f, expected_output: %f (%s:%d)\n",
169  op, i, output[i], expected_output, __FILE__, __LINE__);
170  av_freep(&output);
171  return 1;
172  }
173  }
174 
175  av_freep(&output);
176  return 0;
177 }
178 
180 {
182  return 1;
183 
185  return 1;
186 
187  if (test_no_broadcast(op))
188  return 1;
189 
190  return 0;
191 }
192 
193 int main(int argc, char **argv)
194 {
195  if (test(DMBO_SUB))
196  return 1;
197 
198  if (test(DMBO_ADD))
199  return 1;
200 
201  if (test(DMBO_MUL))
202  return 1;
203 
204  if (test(DMBO_REALDIV))
205  return 1;
206 
207  if (test(DMBO_MINIMUM))
208  return 1;
209 
210  if (test(DMBO_FLOORMOD))
211  return 1;
212 
213  return 0;
214 }
get_expected
static float get_expected(float f1, float f2, DNNMathBinaryOperation op)
Definition: dnn-layer-mathbinary.c:29
test_broadcast_input0
static int test_broadcast_input0(DNNMathBinaryOperation op)
Definition: dnn-layer-mathbinary.c:51
DnnLayerMathBinaryParams::input0_broadcast
int input0_broadcast
Definition: dnn_backend_native_layer_mathbinary.h:45
output
filter_frame For filters that do not use the this method is called when a frame is pushed to the filter s input It can be called at any time except in a reentrant way If the input frame is enough to produce output
Definition: filter_design.txt:225
DnnLayerMathBinaryParams
Definition: dnn_backend_native_layer_mathbinary.h:43
DnnLayerMathBinaryParams::v
float v
Definition: dnn_backend_native_layer_mathbinary.h:47
DnnLayerMathBinaryParams::input1_broadcast
int input1_broadcast
Definition: dnn_backend_native_layer_mathbinary.h:46
dnn_backend_native_layer_mathbinary.h
test_no_broadcast
static int test_no_broadcast(DNNMathBinaryOperation op)
Definition: dnn-layer-mathbinary.c:131
DNNMathBinaryOperation
DNNMathBinaryOperation
Definition: dnn_backend_native_layer_mathbinary.h:33
avassert.h
op
static int op(uint8_t **dst, const uint8_t *dst_end, GetByteContext *gb, int pixel, int count, int *x, int width, int linesize)
Perform decode operation.
Definition: anm.c:76
DnnOperand::data
void * data
data pointer with data length in bytes.
Definition: dnn_backend_native.h:104
av_assert0
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Definition: avassert.h:37
fabs
static __device__ float fabs(float a)
Definition: cuda_runtime.h:182
NULL
#define NULL
Definition: coverity.c:32
DnnOperand::dims
int32_t dims[4]
there are two memory layouts, NHWC or NCHW, so we use dims, dims[0] is Number.
Definition: dnn_backend_native.h:74
test_broadcast_input1
static int test_broadcast_input1(DNNMathBinaryOperation op)
Definition: dnn-layer-mathbinary.c:91
DMBO_MUL
@ DMBO_MUL
Definition: dnn_backend_native_layer_mathbinary.h:36
DMBO_MINIMUM
@ DMBO_MINIMUM
Definition: dnn_backend_native_layer_mathbinary.h:38
DMBO_ADD
@ DMBO_ADD
Definition: dnn_backend_native_layer_mathbinary.h:35
DMBO_FLOORMOD
@ DMBO_FLOORMOD
Definition: dnn_backend_native_layer_mathbinary.h:39
printf
printf("static const uint8_t my_array[100] = {\n")
input
and forward the test the status of outputs and forward it to the corresponding return FFERROR_NOT_READY If the filters stores internally one or a few frame for some input
Definition: filter_design.txt:172
i
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:269
main
int main(int argc, char **argv)
Definition: dnn-layer-mathbinary.c:193
DMBO_SUB
@ DMBO_SUB
Definition: dnn_backend_native_layer_mathbinary.h:34
DnnOperand
Definition: dnn_backend_native.h:69
EPSON
#define EPSON
Definition: dnn-layer-mathbinary.c:27
DMBO_REALDIV
@ DMBO_REALDIV
Definition: dnn_backend_native_layer_mathbinary.h:37
ff_dnn_execute_layer_math_binary
int ff_dnn_execute_layer_math_binary(DnnOperand *operands, const int32_t *input_operand_indexes, int32_t output_operand_index, const void *parameters, NativeContext *ctx)
Definition: dnn_backend_native_layer_mathbinary.c:148
test
static int test(DNNMathBinaryOperation op)
Definition: dnn-layer-mathbinary.c:179
av_freep
#define av_freep(p)
Definition: tableprint_vlc.h:34
int32_t
int32_t
Definition: audioconvert.c:56
DnnLayerMathBinaryParams::bin_op
DNNMathBinaryOperation bin_op
Definition: dnn_backend_native_layer_mathbinary.h:44
int
int
Definition: ffmpeg_filter.c:157