// For DEPTH_TO_SPACE layer: block_size
DNNModel *ff_dnn_load_model_native(const char *model_filename, DNNFunctionType func_type, const char *options, AVFilterContext *filter_ctx)
{
+#define DNN_NATIVE_MAGIC "FFMPEGDNNNATIVE"
DNNModel *model = NULL;
- char header_expected[] = "FFMPEGDNNNATIVE";
- char *buf;
- size_t size;
+ // sizeof - 1 to skip the terminating '\0' which is not written in the file
+ char buf[sizeof(DNN_NATIVE_MAGIC) - 1];
int version, header_size, major_version_expected = 1;
NativeModel *native_model = NULL;
AVIOContext *model_file_context;
/**
* check file header with string and version
*/
- size = sizeof(header_expected);
- buf = av_malloc(size);
- if (!buf) {
+ if (avio_read(model_file_context, buf, sizeof(buf)) != sizeof(buf) ||
+ memcmp(buf, DNN_NATIVE_MAGIC, sizeof(buf)))
goto fail;
- }
-
- // size - 1 to skip the ending '\0' which is not saved in file
- avio_get_str(model_file_context, size - 1, buf, size);
- dnn_size = size - 1;
- if (strncmp(buf, header_expected, size) != 0) {
- av_freep(&buf);
- goto fail;
- }
- av_freep(&buf);
+ dnn_size = sizeof(buf);
version = (int32_t)avio_rl32(model_file_context);
dnn_size += 4;
if (!native_model){
goto fail;
}
+ model->model = native_model;
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
oprd->dims[dim] = (int32_t)avio_rl32(model_file_context);
dnn_size += 4;
}
+ if (oprd->type == DOT_INPUT && oprd->dims[0] != 1)
+ goto fail;
oprd->isNHWC = 1;
}
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->filter_ctx);
+ if (native_model->model->frame_pre_proc != NULL) {
+ native_model->model->frame_pre_proc(in_frame, &input, native_model->model->filter_ctx);
} else {
- ff_proc_from_frame_to_dnn(in_frame, &input, ctx);
+ ff_proc_from_frame_to_dnn(in_frame, &input, native_model->model->func_type, ctx);
}
}
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");
+ av_log(ctx, AV_LOG_ERROR, "Failed to execute model\n");
return DNN_ERROR;
}
}
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->filter_ctx);
+ if (native_model->model->frame_post_proc != NULL) {
+ native_model->model->frame_post_proc(out_frame, &output, native_model->model->filter_ctx);
} else {
ff_proc_from_dnn_to_frame(out_frame, &output, ctx);
}