ffmpeg/libavfilter/dnn/dnn_backend_common.h

70 lines
2.3 KiB
C

/*
* 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
*/
/**
* @file
* DNN common functions different backends.
*/
#ifndef AVFILTER_DNN_DNN_BACKEND_COMMON_H
#define AVFILTER_DNN_DNN_BACKEND_COMMON_H
#include "../dnn_interface.h"
#define DNN_BACKEND_COMMON_OPTIONS \
{ "nireq", "number of request", OFFSET(options.nireq), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, FLAGS },
// one task for one function call from dnn interface
typedef struct TaskItem {
void *model; // model for the backend
AVFrame *in_frame;
AVFrame *out_frame;
const char *input_name;
const char **output_names;
uint8_t async;
uint8_t do_ioproc;
uint32_t nb_output;
uint32_t inference_todo;
uint32_t inference_done;
} TaskItem;
// one task might have multiple inferences
typedef struct InferenceItem {
TaskItem *task;
uint32_t bbox_index;
} InferenceItem;
int ff_check_exec_params(void *ctx, DNNBackendType backend, DNNFunctionType func_type, DNNExecBaseParams *exec_params);
/**
* Fill the Task for Backend Execution. It should be called after
* checking execution parameters using ff_check_exec_params.
*
* @param task pointer to the allocated task
* @param exec_param pointer to execution parameters
* @param backend_model void pointer to the backend model
* @param async flag for async execution. Must be 0 or 1
* @param do_ioproc flag for IO processing. Must be 0 or 1
*
* @retval DNN_SUCCESS if successful
* @retval DNN_ERROR if flags are invalid or any parameter is NULL
*/
DNNReturnType ff_dnn_fill_task(TaskItem *task, DNNExecBaseParams *exec_params, void *backend_model, int async, int do_ioproc);
#endif