Add --audio-bit-rate

Add an option to configure the audio bit-rate.

u/app/config.h

@@ -0,0 +1,29 @@
+/*
+ * Autogenerated by the Meson build system.
+ * Do not edit, your changes will be lost.
+ */
+
+#pragma once
+
+#define BUILD_DEBUG
+
+#define DEFAULT_BIT_RATE 8000000
+
+#define DEFAULT_LOCAL_PORT 27183
+
+#define DEFAULT_MAX_SIZE 0
+
+#define HIDPI_SUPPORT
+
+#undef OVERRIDE_SERVER_PATH
+
+#define PREFIX "/usr/local"
+
+#define PREFIXED_SERVER_PATH "/share/scrcpy/scrcpy-server.jar"
+
+#define SCRCPY_VERSION "1.6"
+
+#define SKIP_FRAMES
+
+#undef WINDOWS_NOCONSOLE
+