[c2][encoder] AVC encoder low power mode configurable

c2_components/include/mfx_c2_component.h

@@ -38,6 +38,7 @@ class MfxC2Component : public C2ComponentInterface,
         int flags{0};
         bool dump_output{false};
         uint32_t concurrent_instances{0};
+        bool low_power_mode{false};
     };
 protected:
     /* State diagram:

c2_components/src/mfx_c2_encoder_component.cpp

@@ -922,6 +922,10 @@ mfxStatus MfxC2EncoderComponent::ResetSettings()
     m_mfxVideoParamsConfig.NumExtParam = 0;
     m_mfxVideoParamsConfig.ExtParam = nullptr;
 
+    // set low power mode for AVC encoder
+    if(m_mfxVideoParamsConfig.mfx.CodecId == MFX_CODEC_AVC && m_createConfig.low_power_mode)
+        m_mfxVideoParamsConfig.mfx.LowPower = MFX_CODINGOPTION_ON;
+
     MFX_DEBUG_TRACE__mfxStatus(mfx_res);
     return mfx_res;
 }

c2_store/src/mfx_c2_store.cpp

@@ -329,6 +329,7 @@ c2_status_t MfxC2ComponentStore::readConfigFile()
             config.flags = flags;
             config.dump_output = m_xmlParser.dumpOutputEnabled(name.c_str());
             config.concurrent_instances = m_xmlParser.getConcurrentInstances(name.c_str());
+            config.low_power_mode = m_xmlParser.getLowPowerMode(name.c_str());
 
             m_componentsRegistry_.emplace(name, ComponentDesc(module.c_str(), media_type.c_str(), kind, config));
         }

c2_utils/include/mfx_c2_xml_parser.h

@@ -51,6 +51,7 @@ class MfxXmlParser
     C2String getMediaType(const char *name);
     uint32_t getConcurrentInstances(const char *name);
     bool dumpOutputEnabled(const char *name);
+    bool getLowPowerMode(const char *name);
 
 private:
 
@@ -62,6 +63,7 @@ class MfxXmlParser
         std::map<C2String, AttributeMap> typeMap;   // map of types supported by this codec
         bool dump_output{false};
         uint32_t concurrentInstance{0};
+        bool lowPowerMode{false};
     };
 
     enum Section {