-#include <stdio.h>
-#include <fcntl.h>
-#include <unistd.h>
+#include "input_mapping.h"
-#include <google/protobuf/text_format.h>
-#include <google/protobuf/io/zero_copy_stream.h>
+#include <assert.h>
+#include <fcntl.h>
#include <google/protobuf/io/zero_copy_stream_impl.h>
+#include <google/protobuf/text_format.h>
+#include <stdio.h>
+#include <set>
+#include <utility>
#include "audio_mixer.h"
-#include "input_mapping.h"
#include "state.pb.h"
using namespace std;