FFmpeg coverage

GCC Code Coverage Report

Directory:	../../../ffmpeg/		Exec	Total	Coverage
File:	src/libavfilter/dnn/dnn_backend_native_layer_conv2d.c	Lines:	79	141	56.0 %
Date:	2021-01-22 05:18:52	Branches:	39	92	42.4 %


/*
 * Copyright (c) 2018 Sergey Lavrushkin
 *
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * FFmpeg is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#include "libavutil/avassert.h"
#include "libavutil/thread.h"
#include "libavutil/cpu.h"
#include "dnn_backend_native_layer_conv2d.h"

#define CLAMP_TO_EDGE(x, w) ((x) < 0 ? 0 : ((x) >= (w) ? (w - 1) : (x)))

//struct to pass parameters
typedef struct ThreadCommonParam{
    DnnOperand *operands;
    const int32_t *input_operand_indexes;
    int32_t output_operand_index;
    const void *parameters;
    NativeContext *ctx;
    float *output_data;
} ThreadCommonParam;

typedef struct ThreadParam{
    ThreadCommonParam *thread_common_param;
    int thread_start, thread_end;
} ThreadParam;

int dnn_load_layer_conv2d(Layer *layer, AVIOContext *model_file_context, int file_size, int operands_num)
{
    ConvolutionalParams *conv_params;
    int kernel_size;
    int dnn_size = 0;
    conv_params = av_malloc(sizeof(*conv_params));
    if (!conv_params)
        return 0;

    conv_params->dilation = (int32_t)avio_rl32(model_file_context);
    conv_params->padding_method = (int32_t)avio_rl32(model_file_context);
    conv_params->activation = (int32_t)avio_rl32(model_file_context);
    conv_params->input_num = (int32_t)avio_rl32(model_file_context);
    conv_params->output_num = (int32_t)avio_rl32(model_file_context);
    conv_params->kernel_size = (int32_t)avio_rl32(model_file_context);
    conv_params->has_bias = (int32_t)avio_rl32(model_file_context);
    dnn_size += 28;

    kernel_size = conv_params->input_num * conv_params->output_num *
                      conv_params->kernel_size * conv_params->kernel_size;
    dnn_size += kernel_size * 4;
    if (conv_params->has_bias)
        dnn_size += conv_params->output_num * 4;

    if (dnn_size > file_size || conv_params->input_num <= 0 ||
        conv_params->output_num <= 0 || conv_params->kernel_size <= 0){
        av_freep(&conv_params);
        return 0;
    }

    conv_params->kernel = av_malloc_array(kernel_size, sizeof(*conv_params->kernel));
    if (!conv_params->kernel) {
        av_freep(&conv_params);
        return 0;
    }
    for (int i = 0; i < kernel_size; ++i) {
        conv_params->kernel[i] = av_int2float(avio_rl32(model_file_context));
    }

    conv_params->biases = NULL;
    if (conv_params->has_bias) {
        conv_params->biases = av_malloc_array(conv_params->output_num, sizeof(*conv_params->biases));
        if (!conv_params->biases){
            av_freep(&conv_params->kernel);
            av_freep(&conv_params);
            return 0;
        }
        for (int i = 0; i < conv_params->output_num; ++i){
            conv_params->biases[i] = av_int2float(avio_rl32(model_file_context));
        }
    }

    layer->params = conv_params;

    layer->input_operand_indexes[0] = (int32_t)avio_rl32(model_file_context);
    layer->output_operand_index = (int32_t)avio_rl32(model_file_context);
    dnn_size += 8;

    if (layer->input_operand_indexes[0] >= operands_num || layer->output_operand_index >= operands_num) {
        return 0;
    }

    return dnn_size;
}

static void * dnn_execute_layer_conv2d_thread(void *threadarg)
{
    //pass parameters
    ThreadParam *thread_param = threadarg;
    ThreadCommonParam *thread_common_param = thread_param->thread_common_param;
    DnnOperand *operands = thread_common_param->operands;
    int32_t input_operand_index = thread_common_param->input_operand_indexes[0];
    int height = operands[input_operand_index].dims[1];
    int width = operands[input_operand_index].dims[2];
    int channel = operands[input_operand_index].dims[3];
    const float *input = operands[input_operand_index].data;
    const ConvolutionalParams *conv_params = (const ConvolutionalParams *)(thread_common_param->parameters);

    int radius = conv_params->kernel_size >> 1;
    int src_linesize = width * conv_params->input_num;
    int filter_linesize = conv_params->kernel_size * conv_params->input_num;
    int filter_size = conv_params->kernel_size * filter_linesize;
    int pad_size = (conv_params->padding_method == VALID) ? (conv_params->kernel_size - 1) / 2 * conv_params->dilation : 0;

    float *output = thread_common_param->output_data;
    output += (conv_params->output_num) * (width - 2 * pad_size) * (thread_param->thread_start - pad_size);

    av_assert0(channel == conv_params->input_num);

    for (int y = thread_param->thread_start; y < thread_param->thread_end; ++y) {
        for (int x = pad_size; x < width - pad_size; ++x) {
            for (int n_filter = 0; n_filter < conv_params->output_num; ++n_filter) {
                if (conv_params->has_bias)
                    output[n_filter] = conv_params->biases[n_filter];
                else
                    output[n_filter] = 0.f;

                for (int ch = 0; ch < conv_params->input_num; ++ch) {
                    for (int kernel_y = 0; kernel_y < conv_params->kernel_size; ++kernel_y) {
                        for (int kernel_x = 0; kernel_x < conv_params->kernel_size; ++kernel_x) {
                            float input_pel;
                            if (conv_params->padding_method == SAME_CLAMP_TO_EDGE) {
                                int y_pos = CLAMP_TO_EDGE(y + (kernel_y - radius) * conv_params->dilation, height);
                                int x_pos = CLAMP_TO_EDGE(x + (kernel_x - radius) * conv_params->dilation, width);
                                input_pel = input[y_pos * src_linesize + x_pos * conv_params->input_num + ch];
                            } else {
                                int y_pos = y + (kernel_y - radius) * conv_params->dilation;
                                int x_pos = x + (kernel_x - radius) * conv_params->dilation;
                                input_pel = (x_pos < 0 || x_pos >= width || y_pos < 0 || y_pos >= height) ? 0.0 :
                                                   input[y_pos * src_linesize + x_pos * conv_params->input_num + ch];
                            }


                            output[n_filter] += input_pel * conv_params->kernel[n_filter * filter_size + kernel_y * filter_linesize +
                                                                                kernel_x * conv_params->input_num + ch];
                        }
                    }
                }
                switch (conv_params->activation){
                case RELU:
                    output[n_filter] = FFMAX(output[n_filter], 0.0);
                    break;
                case TANH:
                    output[n_filter] = 2.0f  / (1.0f + exp(-2.0f * output[n_filter])) - 1.0f;
                    break;
                case SIGMOID:
                    output[n_filter] = 1.0f / (1.0f + exp(-output[n_filter]));
                    break;
                case NONE:
                    break;
                case LEAKY_RELU:
                    output[n_filter] = FFMAX(output[n_filter], 0.0) + 0.2 * FFMIN(output[n_filter], 0.0);
                }
            }
            output += conv_params->output_num;
        }
    }
    return (void *)DNN_SUCCESS;
}


int dnn_execute_layer_conv2d(DnnOperand *operands, const int32_t *input_operand_indexes,
                             int32_t output_operand_index, const void *parameters, NativeContext *ctx)
{
    int thread_num = (ctx->options.conv2d_threads <= 0 || ctx->options.conv2d_threads > av_cpu_count())
        ? (av_cpu_count() + 1) : (ctx->options.conv2d_threads);
#if HAVE_PTHREAD_CANCEL
    pthread_t *thread_id = av_malloc_array(thread_num, sizeof(*thread_id));
    int thread_stride;
#endif
    ThreadParam **thread_param = av_malloc_array(thread_num, sizeof(*thread_param));
    ThreadCommonParam thread_common_param;
    const ConvolutionalParams *conv_params = (const ConvolutionalParams *)(parameters);
    int height = operands[input_operand_indexes[0]].dims[1];
    int width = operands[input_operand_indexes[0]].dims[2];
    int pad_size = (conv_params->padding_method == VALID) ? (conv_params->kernel_size - 1) / 2 * conv_params->dilation : 0;
    DnnOperand *output_operand = &operands[output_operand_index];

    output_operand->dims[0] = operands[input_operand_indexes[0]].dims[0];
    output_operand->dims[1] = height - pad_size * 2;
    output_operand->dims[2] = width - pad_size * 2;
    output_operand->dims[3] = conv_params->output_num;
    output_operand->data_type = operands[input_operand_indexes[0]].data_type;
    output_operand->length = calculate_operand_data_length(output_operand);
    if (output_operand->length <= 0) {
        av_log(ctx, AV_LOG_ERROR, "The output data length overflow\n");
        return DNN_ERROR;
    }
    output_operand->data = av_realloc(output_operand->data, output_operand->length);
    if (!output_operand->data) {
        av_log(ctx, AV_LOG_ERROR, "Failed to reallocate memory for output\n");
        return DNN_ERROR;
    }
    thread_common_param.output_data = output_operand->data;
    thread_common_param.operands = operands;
    thread_common_param.input_operand_indexes = input_operand_indexes;
    thread_common_param.output_operand_index = output_operand_index;
    thread_common_param.parameters = parameters;
    thread_common_param.ctx = ctx;

#if HAVE_PTHREAD_CANCEL
    thread_stride = (height - pad_size * 2) / thread_num;
    //create threads
    for (int i = 0; i < thread_num; i++){
        thread_param[i] = av_malloc(sizeof(*thread_param[0]));
        thread_param[i]->thread_common_param = &thread_common_param;
        thread_param[i]->thread_start = thread_stride * i + pad_size;
        thread_param[i]->thread_end = (i == thread_num - 1) ? (height - pad_size) : (thread_param[i]->thread_start + thread_stride);
        pthread_create(&thread_id[i], NULL, dnn_execute_layer_conv2d_thread, (void *)thread_param[i]);
    }

    //join threads, res gets function return
    for (int i = 0; i < thread_num; i++){
        pthread_join(thread_id[i], NULL);
    }

    //release memory
    av_freep(&thread_id);

    for (int i = 0; i < thread_num; i++){
        av_freep(&thread_param[i]);
    }
#else
    thread_param[0] = av_malloc(sizeof(*thread_param[0]));
    thread_param[0]->thread_common_param = &thread_common_param;
    thread_param[0]->thread_start = pad_size;
    thread_param[0]->thread_end = height - pad_size;
    dnn_execute_layer_conv2d_thread((void *)thread_param[0]);
    av_freep(&thread_param[0]);
#endif

    av_freep(&thread_param);
    return DNN_SUCCESS;
}


Generated by: GCOVR (Version 4.2)

Line	Branch	Exec	Source
1			/*
2			* Copyright (c) 2018 Sergey Lavrushkin
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 "libavutil/avassert.h"
22			#include "libavutil/thread.h"
23			#include "libavutil/cpu.h"
24			#include "dnn_backend_native_layer_conv2d.h"
25
26			#define CLAMP_TO_EDGE(x, w) ((x) < 0 ? 0 : ((x) >= (w) ? (w - 1) : (x)))
27
28			//struct to pass parameters
29			typedef struct ThreadCommonParam{
30			DnnOperand *operands;
31			const int32_t *input_operand_indexes;
32			int32_t output_operand_index;
33			const void *parameters;
34			NativeContext *ctx;
35			float *output_data;
36			} ThreadCommonParam;
37
38			typedef struct ThreadParam{
39			ThreadCommonParam *thread_common_param;
40			int thread_start, thread_end;
41			} ThreadParam;
42
43			int dnn_load_layer_conv2d(Layer layer, AVIOContext model_file_context, int file_size, int operands_num)
44			{
45			ConvolutionalParams *conv_params;
46			int kernel_size;
47			int dnn_size = 0;
48			conv_params = av_malloc(sizeof(*conv_params));
49			if (!conv_params)
50			return 0;
51
52			conv_params->dilation = (int32_t)avio_rl32(model_file_context);
53			conv_params->padding_method = (int32_t)avio_rl32(model_file_context);
54			conv_params->activation = (int32_t)avio_rl32(model_file_context);
55			conv_params->input_num = (int32_t)avio_rl32(model_file_context);
56			conv_params->output_num = (int32_t)avio_rl32(model_file_context);
57			conv_params->kernel_size = (int32_t)avio_rl32(model_file_context);
58			conv_params->has_bias = (int32_t)avio_rl32(model_file_context);
59			dnn_size += 28;
60
61			kernel_size = conv_params->input_num * conv_params->output_num *
62			conv_params->kernel_size * conv_params->kernel_size;
63			dnn_size += kernel_size * 4;
64			if (conv_params->has_bias)
65			dnn_size += conv_params->output_num * 4;
66
67			if (dnn_size > file_size \|\| conv_params->input_num <= 0 \|\|
68			conv_params->output_num <= 0 \|\| conv_params->kernel_size <= 0){
69			av_freep(&conv_params);
70			return 0;
71			}
72
73			conv_params->kernel = av_malloc_array(kernel_size, sizeof(*conv_params->kernel));
74			if (!conv_params->kernel) {
75			av_freep(&conv_params);
76			return 0;
77			}
78			for (int i = 0; i < kernel_size; ++i) {
79			conv_params->kernel[i] = av_int2float(avio_rl32(model_file_context));
80			}
81
82			conv_params->biases = NULL;
83			if (conv_params->has_bias) {
84			conv_params->biases = av_malloc_array(conv_params->output_num, sizeof(*conv_params->biases));
85			if (!conv_params->biases){
86			av_freep(&conv_params->kernel);
87			av_freep(&conv_params);
88			return 0;
89			}
90			for (int i = 0; i < conv_params->output_num; ++i){
91			conv_params->biases[i] = av_int2float(avio_rl32(model_file_context));
92			}
93			}
94
95			layer->params = conv_params;
96
97			layer->input_operand_indexes[0] = (int32_t)avio_rl32(model_file_context);
98			layer->output_operand_index = (int32_t)avio_rl32(model_file_context);
99			dnn_size += 8;
100
101			if (layer->input_operand_indexes[0] >= operands_num \|\| layer->output_operand_index >= operands_num) {
102			return 0;
103			}
104
105			return dnn_size;
106			}
107
108		2	static void * dnn_execute_layer_conv2d_thread(void *threadarg)
109			{
110			//pass parameters
111		2	ThreadParam *thread_param = threadarg;
112		2	ThreadCommonParam *thread_common_param = thread_param->thread_common_param;
113		2	DnnOperand *operands = thread_common_param->operands;
114		2	int32_t input_operand_index = thread_common_param->input_operand_indexes[0];
115		2	int height = operands[input_operand_index].dims[1];
116		2	int width = operands[input_operand_index].dims[2];
117		2	int channel = operands[input_operand_index].dims[3];
118		2	const float *input = operands[input_operand_index].data;
119		2	const ConvolutionalParams conv_params = (const ConvolutionalParams )(thread_common_param->parameters);
120
121		2	int radius = conv_params->kernel_size >> 1;
122		2	int src_linesize = width * conv_params->input_num;
123		2	int filter_linesize = conv_params->kernel_size * conv_params->input_num;
124		2	int filter_size = conv_params->kernel_size * filter_linesize;
125	✓✓	2	int pad_size = (conv_params->padding_method == VALID) ? (conv_params->kernel_size - 1) / 2 * conv_params->dilation : 0;
126
127		2	float *output = thread_common_param->output_data;
128		2	output += (conv_params->output_num) * (width - 2 * pad_size) * (thread_param->thread_start - pad_size);
129
130	✗✓	2	av_assert0(channel == conv_params->input_num);
131
132	✓✓	10	for (int y = thread_param->thread_start; y < thread_param->thread_end; ++y) {
133	✓✓	50	for (int x = pad_size; x < width - pad_size; ++x) {
134	✓✓	126	for (int n_filter = 0; n_filter < conv_params->output_num; ++n_filter) {
135	✓✗	84	if (conv_params->has_bias)
136		84	output[n_filter] = conv_params->biases[n_filter];
137			else
138			output[n_filter] = 0.f;
139
140	✓✓	336	for (int ch = 0; ch < conv_params->input_num; ++ch) {
141	✓✓	1008	for (int kernel_y = 0; kernel_y < conv_params->kernel_size; ++kernel_y) {
142	✓✓	3024	for (int kernel_x = 0; kernel_x < conv_params->kernel_size; ++kernel_x) {
143			float input_pel;
144	✗✓	2268	if (conv_params->padding_method == SAME_CLAMP_TO_EDGE) {
145			int y_pos = CLAMP_TO_EDGE(y + (kernel_y - radius) * conv_params->dilation, height);
146			int x_pos = CLAMP_TO_EDGE(x + (kernel_x - radius) * conv_params->dilation, width);
147			input_pel = input[y_pos * src_linesize + x_pos * conv_params->input_num + ch];
148			} else {
149		2268	int y_pos = y + (kernel_y - radius) * conv_params->dilation;
150		2268	int x_pos = x + (kernel_x - radius) * conv_params->dilation;
151	✓✓✓✓ ✓✓✓✓	3840	input_pel = (x_pos < 0 \|\| x_pos >= width \|\| y_pos < 0 \|\| y_pos >= height) ? 0.0 :
152		1572	input[y_pos * src_linesize + x_pos * conv_params->input_num + ch];
153			}
154
155
156		2268	output[n_filter] += input_pel * conv_params->kernel[n_filter * filter_size + kernel_y * filter_linesize +
157		2268	kernel_x * conv_params->input_num + ch];
158			}
159			}
160			}
161	✗✓✗✗ ✗✗	84	switch (conv_params->activation){
162			case RELU:
163			output[n_filter] = FFMAX(output[n_filter], 0.0);
164			break;
165		84	case TANH:
166		84	output[n_filter] = 2.0f / (1.0f + exp(-2.0f * output[n_filter])) - 1.0f;
167		84	break;
168			case SIGMOID:
169			output[n_filter] = 1.0f / (1.0f + exp(-output[n_filter]));
170			break;
171			case NONE:
172			break;
173			case LEAKY_RELU:
174			output[n_filter] = FFMAX(output[n_filter], 0.0) + 0.2 * FFMIN(output[n_filter], 0.0);
175			}
176		84	}
177		42	output += conv_params->output_num;
178			}
179			}
180		2	return (void *)DNN_SUCCESS;
181			}
182
183
184		2	int dnn_execute_layer_conv2d(DnnOperand operands, const int32_t input_operand_indexes,
185			int32_t output_operand_index, const void parameters, NativeContext ctx)
186			{
187	✗✓	2	int thread_num = (ctx->options.conv2d_threads <= 0 \|\| ctx->options.conv2d_threads > av_cpu_count())
188	✓✗	4	? (av_cpu_count() + 1) : (ctx->options.conv2d_threads);
189			#if HAVE_PTHREAD_CANCEL
190		2	pthread_t thread_id = av_malloc_array(thread_num, sizeof(thread_id));
191			int thread_stride;
192			#endif
193		2	ThreadParam *thread_param = av_malloc_array(thread_num, sizeof(thread_param));
194			ThreadCommonParam thread_common_param;
195		2	const ConvolutionalParams conv_params = (const ConvolutionalParams )(parameters);
196		2	int height = operands[input_operand_indexes[0]].dims[1];
197		2	int width = operands[input_operand_indexes[0]].dims[2];
198	✓✓	2	int pad_size = (conv_params->padding_method == VALID) ? (conv_params->kernel_size - 1) / 2 * conv_params->dilation : 0;
199		2	DnnOperand *output_operand = &operands[output_operand_index];
200
201		2	output_operand->dims[0] = operands[input_operand_indexes[0]].dims[0];
202		2	output_operand->dims[1] = height - pad_size * 2;
203		2	output_operand->dims[2] = width - pad_size * 2;
204		2	output_operand->dims[3] = conv_params->output_num;
205		2	output_operand->data_type = operands[input_operand_indexes[0]].data_type;
206		2	output_operand->length = calculate_operand_data_length(output_operand);
207	✗✓	2	if (output_operand->length <= 0) {
208			av_log(ctx, AV_LOG_ERROR, "The output data length overflow\n");
209			return DNN_ERROR;
210			}
211		2	output_operand->data = av_realloc(output_operand->data, output_operand->length);
212	✗✓	2	if (!output_operand->data) {
213			av_log(ctx, AV_LOG_ERROR, "Failed to reallocate memory for output\n");
214			return DNN_ERROR;
215			}
216		2	thread_common_param.output_data = output_operand->data;
217		2	thread_common_param.operands = operands;
218		2	thread_common_param.input_operand_indexes = input_operand_indexes;
219		2	thread_common_param.output_operand_index = output_operand_index;
220		2	thread_common_param.parameters = parameters;
221		2	thread_common_param.ctx = ctx;
222
223			#if HAVE_PTHREAD_CANCEL
224		2	thread_stride = (height - pad_size * 2) / thread_num;
225			//create threads
226	✓✓	4	for (int i = 0; i < thread_num; i++){
227		2	thread_param[i] = av_malloc(sizeof(*thread_param[0]));
228		2	thread_param[i]->thread_common_param = &thread_common_param;
229		2	thread_param[i]->thread_start = thread_stride * i + pad_size;
230	✓✗	2	thread_param[i]->thread_end = (i == thread_num - 1) ? (height - pad_size) : (thread_param[i]->thread_start + thread_stride);
231		2	pthread_create(&thread_id[i], NULL, dnn_execute_layer_conv2d_thread, (void *)thread_param[i]);
232			}
233
234			//join threads, res gets function return
235	✓✓	4	for (int i = 0; i < thread_num; i++){
236		2	pthread_join(thread_id[i], NULL);
237			}
238
239			//release memory
240		2	av_freep(&thread_id);
241
242	✓✓	4	for (int i = 0; i < thread_num; i++){
243		2	av_freep(&thread_param[i]);
244			}
245			#else
246			thread_param[0] = av_malloc(sizeof(*thread_param[0]));
247			thread_param[0]->thread_common_param = &thread_common_param;
248			thread_param[0]->thread_start = pad_size;
249			thread_param[0]->thread_end = height - pad_size;
250			dnn_execute_layer_conv2d_thread((void *)thread_param[0]);
251			av_freep(&thread_param[0]);
252			#endif
253
254		2	av_freep(&thread_param);
255		2	return DNN_SUCCESS;
256			}