Merge "To avoid the JNI memory leaks in video editor codes"

Author: Jean-Baptiste Queru

media/jni/mediaeditor/VideoEditorClasses.cpp

@@ -1853,6 +1853,9 @@ videoEditClasses_getEditSettings(
                             // Get the clip settings.
                             videoEditClasses_getClipSettings(pResult, pEnv, clipSettings,
                                 &pSettings->pClipList[i]);
+
+                            // Free the local references to avoid memory leaks
+                            pEnv->DeleteLocalRef(clipSettings);
                         }
                     }
                 }
@@ -1877,6 +1880,9 @@ videoEditClasses_getEditSettings(
                             // Get the transition settings.
                             videoEditClasses_getTransitionSettings(pResult, pEnv,
                                     transitionSettings, &pSettings->pTransitionList[i]);
+
+                            // Free the local references to avoid memory leaks
+                            pEnv->DeleteLocalRef(transitionSettings);
                         }
                     }
                 }
@@ -1900,6 +1906,9 @@ videoEditClasses_getEditSettings(
                             // Get the effect settings.
                             videoEditClasses_getEffectSettings(pResult, pEnv, effectSettings,
                                     &pSettings->Effects[i]);
+
+                            // Free the local references to avoid memory leaks
+                            pEnv->DeleteLocalRef(effectSettings);
                         }
                     }
                 }

media/jni/mediaeditor/VideoEditorJava.cpp

@@ -387,6 +387,9 @@ videoEditJava_getString(
                 (*pLength) = length;
             }
         }
+
+        // Delete local references to avoid memory leaks
+        pEnv->DeleteLocalRef(string);
     }
 
     // Return the string.

media/jni/mediaeditor/VideoEditorMain.cpp

@@ -380,6 +380,9 @@ getClipSetting(
                     pEnv->GetIntField(object,fid);
    M4OSA_TRACE1_1("videoRotation = %d",
                     pSettings->ClipProperties.videoRotationDegrees);
+
+   // Free the local references to avoid memory leaks
+   pEnv->DeleteLocalRef(clazz);
 }
 
 static void jniPreviewProgressCallback (void* cookie, M4OSA_UInt32 msgType,
@@ -1849,7 +1852,9 @@ videoEditor_populateSettings(
                 "not initialized");
             if (needToBeLoaded) {
                 getClipSetting(pEnv,properties, pContext->pEditSettings->pClipList[i]);
+                pEnv->DeleteLocalRef(properties);
             } else {
+                pEnv->DeleteLocalRef(properties);
                 goto videoEditor_populateSettings_cleanup;
             }
         }