diff --git a/.gitignore b/.gitignore
index 8c63c20..55a6989 100644
--- a/.gitignore
+++ b/.gitignore
@@ -35,3 +35,4 @@
 
 *.ppm
 *.mpeg
+*.idea
diff --git a/core/.idea/.name b/core/.idea/.name
deleted file mode 100644
index 1fe759c..0000000
--- a/core/.idea/.name
+++ /dev/null
@@ -1 +0,0 @@
-VideoResAdjuster
\ No newline at end of file
diff --git a/core/.idea/VideoResAdjuster.iml b/core/.idea/VideoResAdjuster.iml
deleted file mode 100644
index f08604b..0000000
--- a/core/.idea/VideoResAdjuster.iml
+++ /dev/null
@@ -1,2 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module classpath="CMake" type="CPP_MODULE" version="4" />
\ No newline at end of file
diff --git a/core/.idea/codeStyles/Project.xml b/core/.idea/codeStyles/Project.xml
deleted file mode 100644
index 30aa626..0000000
--- a/core/.idea/codeStyles/Project.xml
+++ /dev/null
@@ -1,29 +0,0 @@
-<component name="ProjectCodeStyleConfiguration">
-  <code_scheme name="Project" version="173">
-    <Objective-C-extensions>
-      <file>
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Import" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Macro" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Typedef" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Enum" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Constant" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Global" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Struct" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="FunctionPredecl" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Function" />
-      </file>
-      <class>
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Property" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Synthesize" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="InitMethod" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="StaticMethod" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="InstanceMethod" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="DeallocMethod" />
-      </class>
-      <extensions>
-        <pair source="cpp" header="h" fileNamingConvention="NONE" />
-        <pair source="c" header="h" fileNamingConvention="NONE" />
-      </extensions>
-    </Objective-C-extensions>
-  </code_scheme>
-</component>
\ No newline at end of file
diff --git a/core/.idea/misc.xml b/core/.idea/misc.xml
deleted file mode 100644
index 79b3c94..0000000
--- a/core/.idea/misc.xml
+++ /dev/null
@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="CMakeWorkspace" PROJECT_DIR="$PROJECT_DIR$" />
-</project>
\ No newline at end of file
diff --git a/core/.idea/modules.xml b/core/.idea/modules.xml
deleted file mode 100644
index b2554b7..0000000
--- a/core/.idea/modules.xml
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectModuleManager">
-    <modules>
-      <module fileurl="file://$PROJECT_DIR$/.idea/VideoResAdjuster.iml" filepath="$PROJECT_DIR$/.idea/VideoResAdjuster.iml" />
-    </modules>
-  </component>
-</project>
\ No newline at end of file
diff --git a/core/.idea/vcs.xml b/core/.idea/vcs.xml
deleted file mode 100644
index 6c0b863..0000000
--- a/core/.idea/vcs.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="VcsDirectoryMappings">
-    <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
-  </component>
-</project>
\ No newline at end of file
diff --git a/core/.idea/workspace.xml b/core/.idea/workspace.xml
deleted file mode 100644
index 1ed70f5..0000000
--- a/core/.idea/workspace.xml
+++ /dev/null
@@ -1,735 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="CMakeRunConfigurationManager" shouldGenerate="true" shouldDeleteObsolete="true" buildAllGenerated="true">
-    <generated>
-      <config projectName="VideoResAdjuster" targetName="VideoResAdjuster" />
-    </generated>
-  </component>
-  <component name="CMakeSettings">
-    <configurations>
-      <configuration PROFILE_NAME="Debug" CONFIG_NAME="Debug" />
-    </configurations>
-  </component>
-  <component name="ChangeListManager">
-    <list default="true" id="c247eea2-9232-42e8-9dfc-9ad7019f38dd" name="Default" comment="">
-      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" afterPath="$PROJECT_DIR$/.idea/workspace.xml" />
-      <change beforePath="$PROJECT_DIR$/decoder.cpp" afterPath="$PROJECT_DIR$/decoder.cpp" />
-      <change beforePath="$PROJECT_DIR$/encoder.cpp" afterPath="$PROJECT_DIR$/encoder.cpp" />
-    </list>
-    <ignored path="$PROJECT_DIR$/cmake-build-debug/" />
-    <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
-    <option name="TRACKING_ENABLED" value="true" />
-    <option name="SHOW_DIALOG" value="false" />
-    <option name="HIGHLIGHT_CONFLICTS" value="true" />
-    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
-    <option name="LAST_RESOLUTION" value="IGNORE" />
-  </component>
-  <component name="ExecutionTargetManager" SELECTED_TARGET="CMakeBuildProfile:Debug" />
-  <component name="FileEditorManager">
-    <leaf SIDE_TABS_SIZE_LIMIT_KEY="300">
-      <file leaf-file-name="CMakeLists.txt" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/CMakeLists.txt">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="1358">
-              <caret line="97" column="38" lean-forward="false" selection-start-line="97" selection-start-column="22" selection-end-line="97" selection-end-column="38" />
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="main.cpp" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/main.cpp">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="239">
-              <caret line="191" column="46" lean-forward="true" selection-start-line="191" selection-start-column="46" selection-end-line="191" selection-end-column="46" />
-              <folding>
-                <element signature="e#48#68#0" expanded="true" />
-              </folding>
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="decoder.h" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/decoder.h">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="351">
-              <caret line="53" column="10" lean-forward="true" selection-start-line="53" selection-start-column="10" selection-end-line="53" selection-end-column="10" />
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="decoder.cpp" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/decoder.cpp">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="281">
-              <caret line="74" column="23" lean-forward="true" selection-start-line="74" selection-start-column="23" selection-end-line="74" selection-end-column="23" />
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="encoder.h" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/encoder.h">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="308">
-              <caret line="24" column="13" lean-forward="false" selection-start-line="24" selection-start-column="13" selection-end-line="24" selection-end-column="13" />
-              <folding>
-                <element signature="e#128#147#0" expanded="true" />
-              </folding>
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="avcodec.h" pinned="false" current-in-tab="false">
-        <entry file="file:///usr/include/x86_64-linux-gnu/libavcodec/avcodec.h">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="330">
-              <caret line="3445" column="31" lean-forward="false" selection-start-line="3445" selection-start-column="29" selection-end-line="3445" selection-end-column="31" />
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="encoder.cpp" pinned="false" current-in-tab="true">
-        <entry file="file://$PROJECT_DIR$/encoder.cpp">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="211">
-              <caret line="68" column="91" lean-forward="true" selection-start-line="68" selection-start-column="91" selection-end-line="68" selection-end-column="91" />
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="frame.h" pinned="false" current-in-tab="false">
-        <entry file="file:///usr/include/x86_64-linux-gnu/libavutil/frame.h">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="133">
-              <caret line="138" column="21" lean-forward="true" selection-start-line="138" selection-start-column="21" selection-end-line="138" selection-end-column="21" />
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
-    </leaf>
-  </component>
-  <component name="FindInProjectRecents">
-    <findStrings>
-      <find>convert</find>
-      <find>buffer_</find>
-      <find>packet</find>
-      <find>wid</find>
-      <find>out_size_</find>
-      <find>size_</find>
-      <find>sws_ctx_</find>
-      <find>MOV</find>
-      <find>avcodec_free_frame</find>
-      <find>argv[2]</find>
-      <find>argv</find>
-      <find>frame_rate</find>
-      <find>variable</find>
-      <find>variable`</find>
-    </findStrings>
-  </component>
-  <component name="Git.Settings">
-    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$/.." />
-  </component>
-  <component name="HighlightingSettingsPerFile">
-    <setting file="file://$PROJECT_DIR$/main.cpp" root0="SKIP_INSPECTION" />
-  </component>
-  <component name="IdeDocumentHistory">
-    <option name="CHANGED_PATHS">
-      <list>
-        <option value="$PROJECT_DIR$/CMakeLists.txt" />
-        <option value="$PROJECT_DIR$/colorspace_converter.h" />
-        <option value="$PROJECT_DIR$/colorspace_converter.cpp" />
-        <option value="$PROJECT_DIR$/encoder.h" />
-        <option value="$PROJECT_DIR$/decoder.h" />
-        <option value="$PROJECT_DIR$/main.cpp" />
-        <option value="$PROJECT_DIR$/decoder.cpp" />
-        <option value="$PROJECT_DIR$/encoder.cpp" />
-      </list>
-    </option>
-  </component>
-  <component name="OCFindUsagesOptions" text="true" ivars="false" properties="true" derivedClasses="false" />
-  <component name="ProjectFrameBounds" extendedState="6">
-    <option name="x" value="-1" />
-    <option name="width" value="1368" />
-    <option name="height" value="740" />
-  </component>
-  <component name="ProjectLevelVcsManager" settingsEditedManually="true" />
-  <component name="ProjectView">
-    <navigator currentView="ProjectPane" proportions="" version="1">
-      <flattenPackages />
-      <showMembers />
-      <showModules />
-      <showLibraryContents />
-      <hideEmptyPackages />
-      <abbreviatePackageNames />
-      <autoscrollToSource />
-      <autoscrollFromSource />
-      <sortByType />
-      <manualOrder />
-      <foldersAlwaysOnTop value="true" />
-    </navigator>
-    <panes>
-      <pane id="ProjectPane">
-        <subPane>
-          <expand>
-            <path>
-              <item name="VideoResAdjuster" type="dad4c3:CidrFilesViewHelper$MyProjectTreeStructure$1" />
-              <item name="core" type="462c0819:PsiDirectoryNode" />
-            </path>
-            <path>
-              <item name="VideoResAdjuster" type="dad4c3:CidrFilesViewHelper$MyProjectTreeStructure$1" />
-              <item name="core" type="462c0819:PsiDirectoryNode" />
-              <item name="cmake-build-debug" type="462c0819:PsiDirectoryNode" />
-            </path>
-          </expand>
-          <select />
-        </subPane>
-      </pane>
-    </panes>
-  </component>
-  <component name="PropertiesComponent">
-    <property name="WebServerToolWindowFactoryState" value="false" />
-    <property name="settings.editor.selected.configurable" value="project.propVCSSupport.Mappings" />
-    <property name="last_opened_file_path" value="$USER_HOME$/CLionProjects/FFMpeg" />
-  </component>
-  <component name="RunDashboard">
-    <option name="ruleStates">
-      <list>
-        <RuleState>
-          <option name="name" value="ConfigurationTypeDashboardGroupingRule" />
-        </RuleState>
-        <RuleState>
-          <option name="name" value="StatusDashboardGroupingRule" />
-        </RuleState>
-      </list>
-    </option>
-  </component>
-  <component name="RunManager" selected="Application.FFMpeg">
-    <configuration name="Build All" type="CMakeRunConfiguration" factoryName="Application" PASS_PARENT_ENVS_2="true" CONFIG_NAME="Debug" RUN_TARGET_PROJECT_NAME="VideoResAdjuster" RUN_TARGET_NAME="VideoResAdjuster" EXPLICIT_BUILD_TARGET_NAME="all">
-      <envs />
-    </configuration>
-    <configuration name="FFMpeg" type="CMakeRunConfiguration" factoryName="Application" PROGRAM_PARAMS="$USER_HOME$/Videos/sample_videos/mobile5.mp4 240p" PASS_PARENT_ENVS_2="true" PROJECT_NAME="VideoResAdjuster" TARGET_NAME="VideoResAdjuster" CONFIG_NAME="Debug" RUN_TARGET_PROJECT_NAME="VideoResAdjuster" RUN_TARGET_NAME="VideoResAdjuster">
-      <envs />
-    </configuration>
-    <configuration name="VideoResAdjuster" type="CMakeRunConfiguration" factoryName="Application" PASS_PARENT_ENVS_2="true" PROJECT_NAME="VideoResAdjuster" TARGET_NAME="VideoResAdjuster" CONFIG_NAME="Debug" RUN_TARGET_PROJECT_NAME="VideoResAdjuster" RUN_TARGET_NAME="VideoResAdjuster">
-      <envs />
-    </configuration>
-    <list size="3">
-      <item index="0" class="java.lang.String" itemvalue="Application.Build All" />
-      <item index="1" class="java.lang.String" itemvalue="Application.FFMpeg" />
-      <item index="2" class="java.lang.String" itemvalue="Application.VideoResAdjuster" />
-    </list>
-  </component>
-  <component name="ShelveChangesManager" show_recycled="false">
-    <option name="remove_strategy" value="false" />
-  </component>
-  <component name="TaskManager">
-    <task active="true" id="Default" summary="Default task">
-      <changelist id="c247eea2-9232-42e8-9dfc-9ad7019f38dd" name="Default" comment="" />
-      <created>1511656421638</created>
-      <option name="number" value="Default" />
-      <option name="presentableId" value="Default" />
-      <updated>1511656421638</updated>
-      <workItem from="1511656423028" duration="109000" />
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-      <workItem from="1514374321001" duration="2476000" />
-    </task>
-    <servers />
-  </component>
-  <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="44532000" />
-  </component>
-  <component name="TodoView">
-    <todo-panel id="selected-file">
-      <is-autoscroll-to-source value="true" />
-    </todo-panel>
-    <todo-panel id="all">
-      <are-packages-shown value="true" />
-      <is-autoscroll-to-source value="true" />
-    </todo-panel>
-  </component>
-  <component name="ToolWindowManager">
-    <frame x="-1" y="0" width="1368" height="740" extended-state="6" />
-    <layout>
-      <window_info id="Project" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.25688756" sideWeight="0.5" order="0" side_tool="false" content_ui="combo" />
-      <window_info id="TODO" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.32767403" sideWeight="0.5" order="6" side_tool="false" content_ui="tabs" />
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-      <window_info id="Debug" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.55857384" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
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\ No newline at end of file