]> git.sesse.net Git - ffmpeg/blobdiff - libavfilter/dnn/dnn_backend_native.c
avfilter/f_perms: add timeline support
[ffmpeg] / libavfilter / dnn / dnn_backend_native.c
index 65a56704d386c1d919b129325d892df0ca9f2f68..4fc3ba2044b5fdc02ed5e44dc52bfa0b6b4b2a00 100644 (file)
 #include "libavutil/avassert.h"
 #include "dnn_backend_native_layer_conv2d.h"
 #include "dnn_backend_native_layers.h"
+#include "dnn_io_proc.h"
+
+#define OFFSET(x) offsetof(NativeContext, x)
+#define FLAGS AV_OPT_FLAG_FILTERING_PARAM
+static const AVOption dnn_native_options[] = {
+    { "conv2d_threads", "threads num for conv2d layer", OFFSET(options.conv2d_threads), AV_OPT_TYPE_INT,  { .i64 = 0 }, INT_MIN, INT_MAX, FLAGS },
+    { NULL },
+};
+
+const AVClass dnn_native_class = {
+    .class_name = "dnn_native",
+    .item_name  = av_default_item_name,
+    .option     = dnn_native_options,
+    .version    = LIBAVUTIL_VERSION_INT,
+    .category   = AV_CLASS_CATEGORY_FILTER,
+};
+
+static DNNReturnType execute_model_native(const DNNModel *model, const char *input_name, AVFrame *in_frame,
+                                          const char **output_names, uint32_t nb_output, AVFrame *out_frame,
+                                          int do_ioproc);
 
 static DNNReturnType get_input_native(void *model, DNNData *input, const char *input_name)
 {
     NativeModel *native_model = (NativeModel *)model;
+    NativeContext *ctx = &native_model->ctx;
 
     for (int i = 0; i < native_model->operands_num; ++i) {
         DnnOperand *oprd = &native_model->operands[i];
         if (strcmp(oprd->name, input_name) == 0) {
-            if (oprd->type != DOT_INPUT)
+            if (oprd->type != DOT_INPUT) {
+                av_log(ctx, AV_LOG_ERROR, "Found \"%s\" in model, but it is not input node\n", input_name);
                 return DNN_ERROR;
+            }
             input->dt = oprd->data_type;
             av_assert0(oprd->dims[0] == 1);
             input->height = oprd->dims[1];
@@ -47,54 +70,49 @@ static DNNReturnType get_input_native(void *model, DNNData *input, const char *i
     }
 
     // do not find the input operand
+    av_log(ctx, AV_LOG_ERROR, "Could not find \"%s\" in model\n", input_name);
     return DNN_ERROR;
 }
 
-static DNNReturnType set_input_native(void *model, DNNData *input, const char *input_name)
+static DNNReturnType get_output_native(void *model, const char *input_name, int input_width, int input_height,
+                                       const char *output_name, int *output_width, int *output_height)
 {
+    DNNReturnType ret;
     NativeModel *native_model = (NativeModel *)model;
-    DnnOperand *oprd = NULL;
+    NativeContext *ctx = &native_model->ctx;
+    AVFrame *in_frame = av_frame_alloc();
+    AVFrame *out_frame = NULL;
 
-    if (native_model->layers_num <= 0 || native_model->operands_num <= 0)
+    if (!in_frame) {
+        av_log(ctx, AV_LOG_ERROR, "Could not allocate memory for input frame\n");
         return DNN_ERROR;
-
-    /* inputs */
-    for (int i = 0; i < native_model->operands_num; ++i) {
-        oprd = &native_model->operands[i];
-        if (strcmp(oprd->name, input_name) == 0) {
-            if (oprd->type != DOT_INPUT)
-                return DNN_ERROR;
-            break;
-        }
-        oprd = NULL;
     }
 
-    if (!oprd)
-        return DNN_ERROR;
-
-    oprd->dims[0] = 1;
-    oprd->dims[1] = input->height;
-    oprd->dims[2] = input->width;
-    oprd->dims[3] = input->channels;
+    out_frame = av_frame_alloc();
 
-    av_freep(&oprd->data);
-    oprd->length = calculate_operand_data_length(oprd);
-    if (oprd->length <= 0)
-        return DNN_ERROR;
-    oprd->data = av_malloc(oprd->length);
-    if (!oprd->data)
+    if (!out_frame) {
+        av_log(ctx, AV_LOG_ERROR, "Could not allocate memory for output frame\n");
+        av_frame_free(&in_frame);
         return DNN_ERROR;
+    }
 
-    input->data = oprd->data;
+    in_frame->width = input_width;
+    in_frame->height = input_height;
 
-    return DNN_SUCCESS;
+    ret = execute_model_native(native_model->model, input_name, in_frame, &output_name, 1, out_frame, 0);
+    *output_width = out_frame->width;
+    *output_height = out_frame->height;
+
+    av_frame_free(&out_frame);
+    av_frame_free(&in_frame);
+    return ret;
 }
 
 // Loads model and its parameters that are stored in a binary file with following structure:
 // layers_num,layer_type,layer_parameterss,layer_type,layer_parameters...
 // For CONV layer: activation_function, input_num, output_num, kernel_size, kernel, biases
 // For DEPTH_TO_SPACE layer: block_size
-DNNModel *ff_dnn_load_model_native(const char *model_filename, const char *options)
+DNNModel *ff_dnn_load_model_native(const char *model_filename, const char *options, void *userdata)
 {
     DNNModel *model = NULL;
     char header_expected[] = "FFMPEGDNNNATIVE";
@@ -150,7 +168,20 @@ DNNModel *ff_dnn_load_model_native(const char *model_filename, const char *optio
     if (!native_model){
         goto fail;
     }
+
+    native_model->ctx.class = &dnn_native_class;
+    model->options = options;
+    if (av_opt_set_from_string(&native_model->ctx, model->options, NULL, "=", "&") < 0)
+        goto fail;
     model->model = (void *)native_model;
+    native_model->model = model;
+
+#if !HAVE_PTHREAD_CANCEL
+    if (native_model->ctx.options.conv2d_threads > 1){
+        av_log(&native_model->ctx, AV_LOG_WARNING, "'conv2d_threads' option was set but it is not supported "
+                       "on this build (pthread support is required)\n");
+    }
+#endif
 
     avio_seek(model_file_context, file_size - 8, SEEK_SET);
     native_model->layers_num = (int32_t)avio_rl32(model_file_context);
@@ -222,9 +253,9 @@ DNNModel *ff_dnn_load_model_native(const char *model_filename, const char *optio
         return NULL;
     }
 
-    model->set_input = &set_input_native;
     model->get_input = &get_input_native;
-    model->options = options;
+    model->get_output = &get_output_native;
+    model->userdata = userdata;
 
     return model;
 
@@ -234,22 +265,82 @@ fail:
     return NULL;
 }
 
-DNNReturnType ff_dnn_execute_model_native(const DNNModel *model, DNNData *outputs, const char **output_names, uint32_t nb_output)
+static DNNReturnType execute_model_native(const DNNModel *model, const char *input_name, AVFrame *in_frame,
+                                          const char **output_names, uint32_t nb_output, AVFrame *out_frame,
+                                          int do_ioproc)
 {
     NativeModel *native_model = (NativeModel *)model->model;
+    NativeContext *ctx = &native_model->ctx;
     int32_t layer;
+    DNNData input, output;
+    DnnOperand *oprd = NULL;
 
-    if (native_model->layers_num <= 0 || native_model->operands_num <= 0)
+    if (native_model->layers_num <= 0 || native_model->operands_num <= 0) {
+        av_log(ctx, AV_LOG_ERROR, "No operands or layers in model\n");
         return DNN_ERROR;
-    if (!native_model->operands[0].data)
+    }
+
+    for (int i = 0; i < native_model->operands_num; ++i) {
+        oprd = &native_model->operands[i];
+        if (strcmp(oprd->name, input_name) == 0) {
+            if (oprd->type != DOT_INPUT) {
+                av_log(ctx, AV_LOG_ERROR, "Found \"%s\" in model, but it is not input node\n", input_name);
+                return DNN_ERROR;
+            }
+            break;
+        }
+        oprd = NULL;
+    }
+    if (!oprd) {
+        av_log(ctx, AV_LOG_ERROR, "Could not find \"%s\" in model\n", input_name);
+        return DNN_ERROR;
+    }
+
+    oprd->dims[1] = in_frame->height;
+    oprd->dims[2] = in_frame->width;
+
+    av_freep(&oprd->data);
+    oprd->length = calculate_operand_data_length(oprd);
+    if (oprd->length <= 0) {
+        av_log(ctx, AV_LOG_ERROR, "The input data length overflow\n");
+        return DNN_ERROR;
+    }
+    oprd->data = av_malloc(oprd->length);
+    if (!oprd->data) {
+        av_log(ctx, AV_LOG_ERROR, "Failed to malloc memory for input data\n");
+        return DNN_ERROR;
+    }
+
+    input.height = oprd->dims[1];
+    input.width = oprd->dims[2];
+    input.channels = oprd->dims[3];
+    input.data = oprd->data;
+    input.dt = oprd->data_type;
+    if (do_ioproc) {
+        if (native_model->model->pre_proc != NULL) {
+            native_model->model->pre_proc(in_frame, &input, native_model->model->userdata);
+        } else {
+            proc_from_frame_to_dnn(in_frame, &input, ctx);
+        }
+    }
+
+    if (nb_output != 1) {
+        // currently, the filter does not need multiple outputs,
+        // so we just pending the support until we really need it.
+        av_log(ctx, AV_LOG_ERROR, "do not support multiple outputs\n");
         return DNN_ERROR;
+    }
 
     for (layer = 0; layer < native_model->layers_num; ++layer){
         DNNLayerType layer_type = native_model->layers[layer].type;
-        layer_funcs[layer_type].pf_exec(native_model->operands,
-                                        native_model->layers[layer].input_operand_indexes,
-                                        native_model->layers[layer].output_operand_index,
-                                        native_model->layers[layer].params);
+        if (layer_funcs[layer_type].pf_exec(native_model->operands,
+                                            native_model->layers[layer].input_operand_indexes,
+                                            native_model->layers[layer].output_operand_index,
+                                            native_model->layers[layer].params,
+                                            &native_model->ctx) == DNN_ERROR) {
+            av_log(ctx, AV_LOG_ERROR, "Failed to execuet model\n");
+            return DNN_ERROR;
+        }
     }
 
     for (uint32_t i = 0; i < nb_output; ++i) {
@@ -262,19 +353,51 @@ DNNReturnType ff_dnn_execute_model_native(const DNNModel *model, DNNData *output
             }
         }
 
-        if (oprd == NULL)
+        if (oprd == NULL) {
+            av_log(ctx, AV_LOG_ERROR, "Could not find output in model\n");
             return DNN_ERROR;
+        }
 
-        outputs[i].data = oprd->data;
-        outputs[i].height = oprd->dims[1];
-        outputs[i].width = oprd->dims[2];
-        outputs[i].channels = oprd->dims[3];
-        outputs[i].dt = oprd->data_type;
+        output.data = oprd->data;
+        output.height = oprd->dims[1];
+        output.width = oprd->dims[2];
+        output.channels = oprd->dims[3];
+        output.dt = oprd->data_type;
+
+        if (do_ioproc) {
+            if (native_model->model->post_proc != NULL) {
+                native_model->model->post_proc(out_frame, &output, native_model->model->userdata);
+            } else {
+                proc_from_dnn_to_frame(out_frame, &output, ctx);
+            }
+        } else {
+            out_frame->width = output.width;
+            out_frame->height = output.height;
+        }
     }
 
     return DNN_SUCCESS;
 }
 
+DNNReturnType ff_dnn_execute_model_native(const DNNModel *model, const char *input_name, AVFrame *in_frame,
+                                          const char **output_names, uint32_t nb_output, AVFrame *out_frame)
+{
+    NativeModel *native_model = (NativeModel *)model->model;
+    NativeContext *ctx = &native_model->ctx;
+
+    if (!in_frame) {
+        av_log(ctx, AV_LOG_ERROR, "in frame is NULL when execute model.\n");
+        return DNN_ERROR;
+    }
+
+    if (!out_frame) {
+        av_log(ctx, AV_LOG_ERROR, "out frame is NULL when execute model.\n");
+        return DNN_ERROR;
+    }
+
+    return execute_model_native(model, input_name, in_frame, output_names, nb_output, out_frame, 1);
+}
+
 int32_t calculate_operand_dims_count(const DnnOperand *oprd)
 {
     int32_t result = 1;