/*
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* dynamic_analyzer_loader.cpp - dynamic analyzer loader
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*
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* Copyright (c) 2015 Intel Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Author: Wind Yuan <feng.yuan@intel.com>
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* Zong Wei <wei.zong@intel.com>
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*/
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#include "dynamic_analyzer_loader.h"
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#include "dynamic_analyzer.h"
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#include "handler_interface.h"
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#include <dlfcn.h>
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namespace XCam {
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DynamicAnalyzerLoader::DynamicAnalyzerLoader (const char *lib_path, const char *symbol)
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: AnalyzerLoader (lib_path, symbol)
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{
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}
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DynamicAnalyzerLoader::~DynamicAnalyzerLoader ()
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{
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}
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SmartPtr<X3aAnalyzer>
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DynamicAnalyzerLoader::load_analyzer (SmartPtr<AnalyzerLoader> &self)
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{
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XCAM_ASSERT (self.ptr () == this);
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SmartPtr<X3aAnalyzer> analyzer;
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XCam3ADescription *desc = (XCam3ADescription*)load_library (get_lib_path ());
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analyzer = new DynamicAnalyzer (desc, self);
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if (!analyzer.ptr ()) {
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XCAM_LOG_WARNING ("create DynamicAnalyzer from lib failed");
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close_handle ();
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return NULL;
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}
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XCAM_LOG_INFO ("analyzer(%s) created from 3a lib", XCAM_STR (analyzer->get_name()));
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return analyzer;
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}
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void *
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DynamicAnalyzerLoader::load_symbol (void* handle)
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{
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XCam3ADescription *desc = NULL;
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desc = (XCam3ADescription *)AnalyzerLoader::get_symbol (handle);
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if (!desc) {
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XCAM_LOG_DEBUG ("get symbol failed from lib");
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return NULL;
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}
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if (desc->version < xcam_version ()) {
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XCAM_LOG_DEBUG ("get symbolfailed. version is:0x%04x, but expect:0x%04x",
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desc->version, xcam_version ());
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return NULL;
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}
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if (desc->size < sizeof (XCam3ADescription)) {
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XCAM_LOG_DEBUG ("get symbol failed, XCam3ADescription size is:%" PRIu32 ", but expect:%" PRIuS,
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desc->size, sizeof (XCam3ADescription));
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return NULL;
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}
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if (!desc->create_context || !desc->destroy_context ||
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!desc->configure_3a || !desc->set_3a_stats ||
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!desc->analyze_awb || !desc->analyze_ae ||
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!desc->analyze_af || !desc->combine_analyze_results ||
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!desc->free_results) {
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XCAM_LOG_DEBUG ("some functions in symbol not set from lib");
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return NULL;
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}
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return (void*)desc;
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}
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};
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