[audioeffect] add support of device effect in config parser

Bug: 136294538
Test: build

Change-Id: I2c75b4bf6a4346362044696feabb35822c860efa
Signed-off-by: François Gaffie <francois.gaffie@renault.com>
diff --git a/media/libeffects/config/src/EffectsConfig.cpp b/media/libeffects/config/src/EffectsConfig.cpp
index 90a4fbb..85fbf11 100644
--- a/media/libeffects/config/src/EffectsConfig.cpp
+++ b/media/libeffects/config/src/EffectsConfig.cpp
@@ -26,6 +26,7 @@
 #include <log/log.h>
 
 #include <media/EffectsConfig.h>
+#include <media/TypeConverter.h>
 
 using namespace tinyxml2;
 
@@ -134,6 +135,11 @@
     return false;
 }
 
+template <>
+bool stringToStreamType(const char *streamName, audio_devices_t* type) {
+    return deviceFromString(streamName, *type);
+}
+
 /** Parse a library xml note and push the result in libraries or return false on failure. */
 bool parseLibrary(const XMLElement& xmlLibrary, Libraries* libraries) {
     const char* name = xmlLibrary.Attribute("name");
@@ -221,7 +227,7 @@
     return true;
 }
 
-/** Parse an stream from an xml element describing it.
+/** Parse an <Output|Input>stream or a device from an xml element describing it.
  * @return true and pushes the stream in streams on success,
  *         false on failure. */
 template <class Stream>
@@ -233,14 +239,14 @@
     }
     Stream stream;
     if (!stringToStreamType(streamType, &stream.type)) {
-        ALOGE("Invalid stream type %s: %s", streamType, dump(xmlStream));
+        ALOGE("Invalid <stream|device> type %s: %s", streamType, dump(xmlStream));
         return false;
     }
 
     for (auto& xmlApply : getChildren(xmlStream, "apply")) {
         const char* effectName = xmlApply.get().Attribute("effect");
         if (effectName == nullptr) {
-            ALOGE("stream/apply must have reference an effect: %s", dump(xmlApply));
+            ALOGE("<stream|device>/apply must have reference an effect: %s", dump(xmlApply));
             return false;
         }
         auto* effect = findByName(effectName, effects);
@@ -254,6 +260,21 @@
     return true;
 }
 
+bool parseDeviceEffects(
+        const XMLElement& xmlDevice, Effects& effects, std::vector<DeviceEffects>* deviceEffects) {
+
+    const char* address = xmlDevice.Attribute("address");
+    if (address == nullptr) {
+        ALOGE("device must have an address: %s", dump(xmlDevice));
+        return false;
+    }
+    if (!parseStream(xmlDevice, effects, deviceEffects)) {
+        return false;
+    }
+    deviceEffects->back().address = address;
+    return true;
+}
+
 /** Internal version of the public parse(const char* path) where path always exist. */
 ParsingResult parseWithPath(std::string&& path) {
     XMLDocument doc;
@@ -298,6 +319,14 @@
                 registerFailure(parseStream(xmlStream, config->effects, &config->postprocess));
             }
         }
+
+        // Parse device effect chains
+        for (auto& xmlDeviceEffects : getChildren(xmlConfig, "deviceEffects")) {
+            for (auto& xmlDevice : getChildren(xmlDeviceEffects, "devicePort")) {
+                registerFailure(
+                            parseDeviceEffects(xmlDevice, config->effects, &config->deviceprocess));
+            }
+        }
     }
     return {std::move(config), nbSkippedElements, std::move(path)};
 }