142aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard/* 242aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard * Copyright (C) 2017 The Android Open Source Project 342aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard * 442aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard * Licensed under the Apache License, Version 2.0 (the "License"); 542aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard * you may not use this file except in compliance with the License. 642aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard * You may obtain a copy of the License at 742aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard * 842aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard * http://www.apache.org/licenses/LICENSE-2.0 942aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard * 1042aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard * Unless required by applicable law or agreed to in writing, software 1142aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard * distributed under the License is distributed on an "AS IS" BASIS, 1242aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1342aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard * See the License for the specific language governing permissions and 1442aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard * limitations under the License. 1542aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard */ 1642aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard 1742aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard#define LOG_TAG "EffectsConfig" 1842aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard 1942aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard#include <algorithm> 2042aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard#include <cstdint> 2142aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard#include <functional> 2242aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard#include <string> 2342aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard 2442aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard#include <tinyxml2.h> 2542aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard#include <log/log.h> 2642aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard 2742aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard#include <media/EffectsConfig.h> 2842aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard 2942aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocardusing namespace tinyxml2; 3042aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard 3142aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocardnamespace android { 3242aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocardnamespace effectsConfig { 3342aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard 3442aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard/** All functions except `parse(const char*)` are static. */ 3542aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocardnamespace { 3642aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard 3742aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard/** @return all `node`s children that are elements and match the tag if provided. */ 3842aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocardstd::vector<std::reference_wrapper<const XMLElement>> getChildren(const XMLNode& node, 3942aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard const char* childTag = nullptr) { 4042aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard std::vector<std::reference_wrapper<const XMLElement>> children; 4142aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard for (auto* child = node.FirstChildElement(childTag); child != nullptr; 4242aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard child = child->NextSiblingElement(childTag)) { 4342aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard children.emplace_back(*child); 4442aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard } 4542aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard return children; 4642aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard} 4742aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard 4842aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard/** @return xml dump of the provided element. 4942aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard * By not providing a printer, it is implicitly created in the caller context. 5042aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard * In such case the return pointer has the same lifetime as the expression containing dump(). 5142aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard */ 5242aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocardconst char* dump(const XMLElement& element, XMLPrinter&& printer = {}) { 5342aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard element.Accept(&printer); 5442aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard return printer.CStr(); 5542aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard} 5642aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard 5742aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard 5842aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocardbool stringToUuid(const char *str, effect_uuid_t *uuid) 5942aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard{ 6042aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard uint32_t tmp[10]; 6142aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard 6242aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard if (sscanf(str, "%08x-%04x-%04x-%04x-%02x%02x%02x%02x%02x%02x", 6342aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard tmp, tmp+1, tmp+2, tmp+3, tmp+4, tmp+5, tmp+6, tmp+7, tmp+8, tmp+9) < 10) { 6442aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard return false; 6542aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard } 6642aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard uuid->timeLow = (uint32_t)tmp[0]; 6742aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard uuid->timeMid = (uint16_t)tmp[1]; 6842aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard uuid->timeHiAndVersion = (uint16_t)tmp[2]; 6942aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard uuid->clockSeq = (uint16_t)tmp[3]; 7042aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard uuid->node[0] = (uint8_t)tmp[4]; 7142aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard uuid->node[1] = (uint8_t)tmp[5]; 7242aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard uuid->node[2] = (uint8_t)tmp[6]; 7342aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard uuid->node[3] = (uint8_t)tmp[7]; 7442aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard uuid->node[4] = (uint8_t)tmp[8]; 7542aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard uuid->node[5] = (uint8_t)tmp[9]; 7642aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard 7742aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard return true; 7842aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard} 7942aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard 8042aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard/** Map the enum and string representation of a string type. 8142aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard * Intended to be specialized for each enum to deserialize. 8242aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard * The general template is disabled. 8342aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard */ 8442aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocardtemplate <class Enum> 8542aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocardconstexpr std::enable_if<false, Enum> STREAM_NAME_MAP; 8642aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard 8742aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard/** All output stream types which support effects. 8842aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard * This need to be kept in sink with the xsd streamOutputType. 8942aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard */ 9042aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocardtemplate <> 9142aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocardconstexpr std::pair<audio_stream_type_t, const char*> STREAM_NAME_MAP<audio_stream_type_t>[] = { 9242aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard {AUDIO_STREAM_VOICE_CALL, "voice_call"}, 9342aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard {AUDIO_STREAM_SYSTEM, "system"}, 9442aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard {AUDIO_STREAM_RING, "ring"}, 9542aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard {AUDIO_STREAM_MUSIC, "music"}, 9642aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard {AUDIO_STREAM_ALARM, "alarm"}, 9742aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard {AUDIO_STREAM_NOTIFICATION, "notification"}, 9842aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard {AUDIO_STREAM_BLUETOOTH_SCO, "bluetooth_sco"}, 9942aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard {AUDIO_STREAM_ENFORCED_AUDIBLE, "enforced_audible"}, 10042aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard {AUDIO_STREAM_DTMF, "dtmf"}, 10142aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard {AUDIO_STREAM_TTS, "tts"}, 10242aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard}; 10342aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard 10442aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard/** All input stream types which support effects. 10542aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard * This need to be kept in sink with the xsd streamOutputType. 10642aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard */ 10742aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocardtemplate <> 10842aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocardconstexpr std::pair<audio_source_t, const char*> STREAM_NAME_MAP<audio_source_t>[] = { 10942aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard {AUDIO_SOURCE_MIC, "mic"}, 11042aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard {AUDIO_SOURCE_VOICE_UPLINK, "voice_uplink"}, 11142aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard {AUDIO_SOURCE_VOICE_DOWNLINK, "voice_downlink"}, 11242aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard {AUDIO_SOURCE_VOICE_CALL, "voice_call"}, 11342aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard {AUDIO_SOURCE_CAMCORDER, "camcorder"}, 11442aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard {AUDIO_SOURCE_VOICE_RECOGNITION, "voice_recognition"}, 11542aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard {AUDIO_SOURCE_VOICE_COMMUNICATION, "voice_communication"}, 11642aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard {AUDIO_SOURCE_UNPROCESSED, "unprocessed"}, 11742aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard}; 11842aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard 11942aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard/** Find the stream type enum corresponding to the stream type name or return false */ 12042aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocardtemplate <class Type> 12142aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocardbool stringToStreamType(const char *streamName, Type* type) 12242aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard{ 12342aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard for (auto& streamNamePair : STREAM_NAME_MAP<Type>) { 12442aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard if (strcmp(streamNamePair.second, streamName) == 0) { 12542aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard *type = streamNamePair.first; 12642aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard return true; 12742aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard } 12842aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard } 12942aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard return false; 13042aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard} 13142aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard 13242aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard/** Parse a library xml note and push the result in libraries or return false on failure. */ 13342aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocardbool parseLibrary(const XMLElement& xmlLibrary, Libraries* libraries) { 13442aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard const char* name = xmlLibrary.Attribute("name"); 13542aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard const char* path = xmlLibrary.Attribute("path"); 13642aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard if (name == nullptr || path == nullptr) { 13742aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard ALOGE("library must have a name and a path: %s", dump(xmlLibrary)); 13842aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard return false; 13942aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard } 14042aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard libraries->push_back({name, path}); 14142aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard return true; 14242aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard} 14342aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard 14442aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard/** Find an element in a collection by its name. 14542aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard * @return nullptr if not found, the ellements address if found. 14642aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard */ 14742aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocardtemplate <class T> 14842aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin RocardT* findByName(const char* name, std::vector<T>& collection) { 14942aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard auto it = find_if(begin(collection), end(collection), 15042aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard [name] (auto& item) { return item.name == name; }); 15142aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard return it != end(collection) ? &*it : nullptr; 15242aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard} 15342aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard 15442aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard/** Parse an effect from an xml element describing it. 15542aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard * @return true and pushes the effect in effects on success, 15642aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard * false on failure. */ 15742aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocardbool parseEffect(const XMLElement& xmlEffect, Libraries& libraries, Effects* effects) { 15842aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard Effect effect{}; 15942aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard 16042aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard const char* name = xmlEffect.Attribute("name"); 16142aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard if (name == nullptr) { 16242aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard ALOGE("%s must have a name: %s", xmlEffect.Value(), dump(xmlEffect)); 16342aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard return false; 16442aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard } 16542aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard effect.name = name; 16642aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard 16742aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard // Function to parse effect.library and effect.uuid from xml 16842aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard auto parseImpl = [&libraries](const XMLElement& xmlImpl, EffectImpl& effect) { 16942aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard // Retrieve library name and uuid from xml 17042aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard const char* libraryName = xmlImpl.Attribute("library"); 17142aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard const char* uuid = xmlImpl.Attribute("uuid"); 17242aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard if (libraryName == nullptr || uuid == nullptr) { 17342aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard ALOGE("effect must have a library name and a uuid: %s", dump(xmlImpl)); 17442aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard return false; 17542aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard } 17642aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard 17742aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard // Convert library name to a pointer to the previously loaded library 17842aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard auto* library = findByName(libraryName, libraries); 17942aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard if (library == nullptr) { 18042aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard ALOGE("Could not find library referenced in: %s", dump(xmlImpl)); 18142aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard return false; 18242aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard } 18342aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard effect.library = library; 18442aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard 18542aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard if (!stringToUuid(uuid, &effect.uuid)) { 18642aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard ALOGE("Invalid uuid in: %s", dump(xmlImpl)); 18742aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard return false; 18842aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard } 18942aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard return true; 19042aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard }; 19142aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard 19242aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard if (!parseImpl(xmlEffect, effect)) { 19342aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard return false; 19442aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard } 19542aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard 19642aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard // Handle proxy effects 19742aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard effect.isProxy = false; 19842aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard if (std::strcmp(xmlEffect.Name(), "effectProxy") == 0) { 19942aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard effect.isProxy = true; 20042aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard 20142aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard // Function to parse libhw and libsw 20242aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard auto parseProxy = [&xmlEffect, &parseImpl](const char* tag, EffectImpl& proxyLib) { 20342aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard auto* xmlProxyLib = xmlEffect.FirstChildElement(tag); 20442aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard if (xmlProxyLib == nullptr) { 20542aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard ALOGE("effectProxy must contain a <%s>: %s", tag, dump(*xmlProxyLib)); 20642aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard return false; 20742aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard } 20842aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard return parseImpl(*xmlProxyLib, proxyLib); 20942aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard }; 21042aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard if (!parseProxy("libhw", effect.libHw) || !parseProxy("libsw", effect.libSw)) { 21142aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard return false; 21242aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard } 21342aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard } 21442aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard 21542aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard effects->push_back(std::move(effect)); 21642aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard return true; 21742aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard} 21842aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard 21942aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard/** Parse an stream from an xml element describing it. 22042aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard * @return true and pushes the stream in streams on success, 22142aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard * false on failure. */ 22242aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocardtemplate <class Stream> 22342aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocardbool parseStream(const XMLElement& xmlStream, Effects& effects, std::vector<Stream>* streams) { 22442aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard const char* streamType = xmlStream.Attribute("type"); 22542aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard if (streamType == nullptr) { 22642aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard ALOGE("stream must have a type: %s", dump(xmlStream)); 22742aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard return false; 22842aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard } 22942aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard Stream stream; 23042aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard if (!stringToStreamType(streamType, &stream.type)) { 23142aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard ALOGE("Invalid stream type %s: %s", streamType, dump(xmlStream)); 23242aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard return false; 23342aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard } 23442aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard 23542aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard for (auto& xmlApply : getChildren(xmlStream, "apply")) { 23642aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard const char* effectName = xmlApply.get().Attribute("effect"); 23742aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard if (effectName == nullptr) { 23842aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard ALOGE("stream/apply must have reference an effect: %s", dump(xmlApply)); 23942aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard return false; 24042aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard } 24142aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard auto* effect = findByName(effectName, effects); 24242aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard if (effect == nullptr) { 24342aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard ALOGE("Could not find effect referenced in: %s", dump(xmlApply)); 24442aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard return false; 24542aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard } 24642aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard stream.effects.emplace_back(*effect); 24742aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard } 24842aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard streams->push_back(std::move(stream)); 24942aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard return true; 25042aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard} 25142aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard 25242aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard}; // namespace 25342aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard 25442aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin RocardParsingResult parse(const char* path) { 25542aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard XMLDocument doc; 25642aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard doc.LoadFile(path); 25742aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard if (doc.Error()) { 25842aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard ALOGE("Failed to parse %s: Tinyxml2 error (%d): %s %s", path, 25942aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard doc.ErrorID(), doc.GetErrorStr1(), doc.GetErrorStr2()); 26042aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard return {nullptr, 0}; 26142aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard } 26242aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard 26342aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard auto config = std::make_unique<Config>(); 26442aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard size_t nbSkippedElements = 0; 26542aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard auto registerFailure = [&nbSkippedElements](bool result) { 26642aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard nbSkippedElements += result ? 0 : 1; 26742aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard }; 26842aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard for (auto& xmlConfig : getChildren(doc, "audio_effects_conf")) { 26942aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard 27042aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard // Parse library 27142aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard for (auto& xmlLibraries : getChildren(xmlConfig, "libraries")) { 27242aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard for (auto& xmlLibrary : getChildren(xmlLibraries, "library")) { 27342aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard registerFailure(parseLibrary(xmlLibrary, &config->libraries)); 27442aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard } 27542aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard } 27642aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard 27742aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard // Parse effects 27842aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard for (auto& xmlEffects : getChildren(xmlConfig, "effects")) { 27942aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard for (auto& xmlEffect : getChildren(xmlEffects)) { 28042aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard registerFailure(parseEffect(xmlEffect, config->libraries, &config->effects)); 28142aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard } 28242aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard } 28342aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard 28442aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard // Parse pre processing chains 28542aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard for (auto& xmlPreprocess : getChildren(xmlConfig, "preprocess")) { 28642aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard for (auto& xmlStream : getChildren(xmlPreprocess, "stream")) { 28742aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard registerFailure(parseStream(xmlStream, config->effects, &config->preprocess)); 28842aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard } 28942aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard } 29042aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard 29142aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard // Parse post processing chains 29242aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard for (auto& xmlPostprocess : getChildren(xmlConfig, "postprocess")) { 29342aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard for (auto& xmlStream : getChildren(xmlPostprocess, "stream")) { 29442aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard registerFailure(parseStream(xmlStream, config->effects, &config->postprocess)); 29542aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard } 29642aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard } 29742aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard } 29842aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard return {std::move(config), nbSkippedElements}; 29942aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard} 30042aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard 30142aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard} // namespace effectsConfig 30242aa39a2c6864eeea8e40bd57230ff99ea71be5fKevin Rocard} // namespace android 303