FFmpeg
dnn_backend_native_layer_mathunary.c
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2  * Copyright (c) 2020
3  *
4  * This file is part of FFmpeg.
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19  */
20 
21 /**
22  * @file
23  * DNN native backend implementation.
24  */
25 
26 #include <math.h>
27 
28 #include "dnn_backend_native.h"
30 
31 int ff_dnn_load_layer_math_unary(Layer *layer, AVIOContext *model_file_context, int file_size, int operands_num)
32 {
34  int dnn_size = 0;
35  params = av_malloc(sizeof(*params));
36  if(!params)
37  return 0;
38 
39  params->un_op = (int32_t)avio_rl32(model_file_context);
40  dnn_size += 4;
41  layer->params = params;
42  layer->input_operand_indexes[0] = (int32_t)avio_rl32(model_file_context);
43  layer->output_operand_index = (int32_t)avio_rl32(model_file_context);
44  dnn_size += 8;
45 
46  if (layer->input_operand_indexes[0] >= operands_num || layer->output_operand_index >= operands_num) {
47  return 0;
48  }
49 
50  return dnn_size;
51 
52 }
53 
54 int ff_dnn_execute_layer_math_unary(DnnOperand *operands, const int32_t *input_operand_indexes,
55  int32_t output_operand_index, const void *parameters, NativeContext *ctx)
56 {
57  const DnnOperand *input = &operands[input_operand_indexes[0]];
58  DnnOperand *output = &operands[output_operand_index];
59  const DnnLayerMathUnaryParams *params = parameters;
60  int dims_count;
61  const float *src;
62  float *dst;
63 
64  for (int i = 0; i < 4; ++i)
65  output->dims[i] = input->dims[i];
66 
67  output->data_type = input->data_type;
69  if (output->length <= 0) {
70  av_log(ctx, AV_LOG_ERROR, "The output data length overflow\n");
71  return DNN_ERROR;
72  }
73  output->data = av_realloc(output->data, output->length);
74  if (!output->data) {
75  av_log(ctx, AV_LOG_ERROR, "Failed to reallocate memory for output\n");
76  return DNN_ERROR;
77  }
78 
80  src = input->data;
81  dst = output->data;
82 
83  switch (params->un_op) {
84  case DMUO_ABS:
85  for (int i = 0; i < dims_count; ++i)
86  dst[i] = FFABS(src[i]);
87  return 0;
88  case DMUO_SIN:
89  for (int i = 0; i < dims_count; ++i)
90  dst[i] = sin(src[i]);
91  return 0;
92  case DMUO_COS:
93  for (int i = 0; i < dims_count; ++i)
94  dst[i] = cos(src[i]);
95  return 0;
96  case DMUO_TAN:
97  for (int i = 0; i < dims_count; ++i)
98  dst[i] = tan(src[i]);
99  return 0;
100  case DMUO_ASIN:
101  for (int i = 0; i < dims_count; ++i)
102  dst[i] = asin(src[i]);
103  return 0;
104  case DMUO_ACOS:
105  for (int i = 0; i < dims_count; ++i)
106  dst[i] = acos(src[i]);
107  return 0;
108  case DMUO_ATAN:
109  for (int i = 0; i < dims_count; ++i)
110  dst[i] = atan(src[i]);
111  return 0;
112  case DMUO_SINH:
113  for (int i = 0; i < dims_count; ++i)
114  dst[i] = sinh(src[i]);
115  return 0;
116  case DMUO_COSH:
117  for (int i = 0; i < dims_count; ++i)
118  dst[i] = cosh(src[i]);
119  return 0;
120  case DMUO_TANH:
121  for (int i = 0; i < dims_count; ++i)
122  dst[i] = tanh(src[i]);
123  return 0;
124  case DMUO_ASINH:
125  for (int i = 0; i < dims_count; ++i)
126  dst[i] = asinh(src[i]);
127  return 0;
128  case DMUO_ACOSH:
129  for (int i = 0; i < dims_count; ++i)
130  dst[i] = acosh(src[i]);
131  return 0;
132  case DMUO_ATANH:
133  for (int i = 0; i < dims_count; ++i)
134  dst[i] = atanh(src[i]);
135  return 0;
136  case DMUO_CEIL:
137  for (int i = 0; i < dims_count; ++i)
138  dst[i] = ceil(src[i]);
139  return 0;
140  case DMUO_FLOOR:
141  for (int i = 0; i < dims_count; ++i)
142  dst[i] = floor(src[i]);
143  return 0;
144  case DMUO_ROUND:
145  for (int i = 0; i < dims_count; ++i)
146  dst[i] = round(src[i]);
147  return 0;
148  case DMUO_EXP:
149  for (int i = 0; i < dims_count; ++i)
150  dst[i] = exp(src[i]);
151  return 0;
152  default:
153  av_log(ctx, AV_LOG_ERROR, "Unmatch math unary operator\n");
154  return DNN_ERROR;
155  }
156 }
dnn_backend_native_layer_mathunary.h
DMUO_TANH
@ DMUO_TANH
Definition: dnn_backend_native_layer_mathunary.h:42
DMUO_ACOS
@ DMUO_ACOS
Definition: dnn_backend_native_layer_mathunary.h:38
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
DMUO_ACOSH
@ DMUO_ACOSH
Definition: dnn_backend_native_layer_mathunary.h:44
DnnLayerMathUnaryParams::un_op
DNNMathUnaryOperation un_op
Definition: dnn_backend_native_layer_mathunary.h:54
DMUO_ASINH
@ DMUO_ASINH
Definition: dnn_backend_native_layer_mathunary.h:43
DMUO_CEIL
@ DMUO_CEIL
Definition: dnn_backend_native_layer_mathunary.h:46
av_malloc
#define av_malloc(s)
Definition: tableprint_vlc.h:31
DMUO_COSH
@ DMUO_COSH
Definition: dnn_backend_native_layer_mathunary.h:41
ff_calculate_operand_data_length
int32_t ff_calculate_operand_data_length(const DnnOperand *oprd)
Definition: dnn_backend_native.c:499
ceil
static __device__ float ceil(float a)
Definition: cuda_runtime.h:176
AV_LOG_ERROR
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:180
DMUO_SIN
@ DMUO_SIN
Definition: dnn_backend_native_layer_mathunary.h:34
DMUO_TAN
@ DMUO_TAN
Definition: dnn_backend_native_layer_mathunary.h:36
DMUO_ROUND
@ DMUO_ROUND
Definition: dnn_backend_native_layer_mathunary.h:48
ff_dnn_load_layer_math_unary
int ff_dnn_load_layer_math_unary(Layer *layer, AVIOContext *model_file_context, int file_size, int operands_num)
Load the Unary Math Layer.
Definition: dnn_backend_native_layer_mathunary.c:31
floor
static __device__ float floor(float a)
Definition: cuda_runtime.h:173
ctx
AVFormatContext * ctx
Definition: movenc.c:48
FFABS
#define FFABS(a)
Absolute value, Note, INT_MIN / INT64_MIN result in undefined behavior as they are not representable ...
Definition: common.h:65
DMUO_SINH
@ DMUO_SINH
Definition: dnn_backend_native_layer_mathunary.h:40
ff_dnn_execute_layer_math_unary
int ff_dnn_execute_layer_math_unary(DnnOperand *operands, const int32_t *input_operand_indexes, int32_t output_operand_index, const void *parameters, NativeContext *ctx)
Execute the Unary Math Layer.
Definition: dnn_backend_native_layer_mathunary.c:54
Layer::params
void * params
Definition: dnn_backend_native.h:66
av_realloc
void * av_realloc(void *ptr, size_t size)
Allocate, reallocate, or free a block of memory.
Definition: mem.c:152
DMUO_EXP
@ DMUO_EXP
Definition: dnn_backend_native_layer_mathunary.h:49
src
#define src
Definition: vp8dsp.c:255
exp
int8_t exp
Definition: eval.c:72
avio_rl32
unsigned int avio_rl32(AVIOContext *s)
Definition: aviobuf.c:742
AVIOContext
Bytestream IO Context.
Definition: avio.h:161
Layer::output_operand_index
int32_t output_operand_index
Definition: dnn_backend_native.h:65
NativeContext
Definition: dnn_backend_native.h:118
DMUO_ATANH
@ DMUO_ATANH
Definition: dnn_backend_native_layer_mathunary.h:45
DMUO_FLOOR
@ DMUO_FLOOR
Definition: dnn_backend_native_layer_mathunary.h:47
Layer
Definition: dnn_backend_native.h:57
Layer::input_operand_indexes
int32_t input_operand_indexes[4]
a layer can have multiple inputs and one output.
Definition: dnn_backend_native.h:64
dnn_backend_native.h
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
DnnLayerMathUnaryParams
Definition: dnn_backend_native_layer_mathunary.h:53
i
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:271
round
static av_always_inline av_const double round(double x)
Definition: libm.h:444
DMUO_ATAN
@ DMUO_ATAN
Definition: dnn_backend_native_layer_mathunary.h:39
DNN_ERROR
@ DNN_ERROR
Definition: dnn_interface.h:33
DMUO_ASIN
@ DMUO_ASIN
Definition: dnn_backend_native_layer_mathunary.h:37
DnnOperand
Definition: dnn_backend_native.h:69
DMUO_ABS
@ DMUO_ABS
Definition: dnn_backend_native_layer_mathunary.h:33
ff_calculate_operand_dims_count
int32_t ff_calculate_operand_dims_count(const DnnOperand *oprd)
Definition: dnn_backend_native.c:490
DMUO_COS
@ DMUO_COS
Definition: dnn_backend_native_layer_mathunary.h:35
int32_t
int32_t
Definition: audioconvert.c:56
av_log
#define av_log(a,...)
Definition: tableprint_vlc.h:28