1 /* 2 * This file is part of FFmpeg. 3 * 4 * FFmpeg is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Lesser General Public 6 * License as published by the Free Software Foundation; either 7 * version 2.1 of the License, or (at your option) any later version. 8 * 9 * FFmpeg is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Lesser General Public License for more details. 13 * 14 * You should have received a copy of the GNU Lesser General Public 15 * License along with FFmpeg; if not, write to the Free Software 16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 17 */ 18 19 /** 20 * @file 21 * common functions for the dnn based filters 22 */ 23 24 #ifndef AVFILTER_DNN_FILTER_COMMON_H 25 #define AVFILTER_DNN_FILTER_COMMON_H 26 27 #include "dnn_interface.h" 28 29 typedef struct DnnContext { 30 char *model_filename; 31 DNNBackendType backend_type; 32 char *model_inputname; 33 char *model_outputnames_string; 34 char *backend_options; 35 int async; 36 37 char **model_outputnames; 38 uint32_t nb_outputs; 39 DNNModule *dnn_module; 40 DNNModel *model; 41 } DnnContext; 42 43 #define DNN_COMMON_OPTIONS \ 44 { "model", "path to model file", OFFSET(model_filename), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, FLAGS },\ 45 { "input", "input name of the model", OFFSET(model_inputname), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, FLAGS },\ 46 { "output", "output name of the model", OFFSET(model_outputnames_string), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, FLAGS },\ 47 { "backend_configs", "backend configs", OFFSET(backend_options), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, FLAGS },\ 48 { "options", "backend configs (deprecated, use backend_configs)", OFFSET(backend_options), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, FLAGS | AV_OPT_FLAG_DEPRECATED},\ 49 { "async", "use DNN async inference (ignored, use backend_configs='async=1')", OFFSET(async), AV_OPT_TYPE_BOOL, { .i64 = 1}, 0, 1, FLAGS}, 50 51 52 int ff_dnn_init(DnnContext *ctx, DNNFunctionType func_type, AVFilterContext *filter_ctx); 53 int ff_dnn_set_frame_proc(DnnContext *ctx, FramePrePostProc pre_proc, FramePrePostProc post_proc); 54 int ff_dnn_set_detect_post_proc(DnnContext *ctx, DetectPostProc post_proc); 55 int ff_dnn_set_classify_post_proc(DnnContext *ctx, ClassifyPostProc post_proc); 56 int ff_dnn_get_input(DnnContext *ctx, DNNData *input); 57 int ff_dnn_get_output(DnnContext *ctx, int input_width, int input_height, int *output_width, int *output_height); 58 int ff_dnn_execute_model(DnnContext *ctx, AVFrame *in_frame, AVFrame *out_frame); 59 int ff_dnn_execute_model_classification(DnnContext *ctx, AVFrame *in_frame, AVFrame *out_frame, const char *target); 60 DNNAsyncStatusType ff_dnn_get_result(DnnContext *ctx, AVFrame **in_frame, AVFrame **out_frame); 61 int ff_dnn_flush(DnnContext *ctx); 62 void ff_dnn_uninit(DnnContext *ctx); 63 64 #endif 65