Miracast patch - kensuke/How-to-Miracast-on-AOSP GitHub Wiki

Patches Check List

Base AOSP Version

• android-4.2.2_r1.2

Common patches

• Miracast Enabler Flag
  • All : /frameworks/base/core/res/res/values/config.xml
  • Specific Model : /device/vendor/model/overray/frameworks/base/core/res/res/values/config.xml
  • (N4 Ref) : /device/lge/mako/overlay/frameworks/base/core/res/res/values/config.xml
• audio.r_submix.default
  • (N4 Ref) : /device/lge/mako/audio_policy.conf
  • (N4 Ref) : /device/lge/mako/device.mk
• Wireless Display On/Off Switch : packages/apps/Settings/src/com/android/settings/wfd/WifiDisplaySettings.java

Source patches

• Hardware Video Encoder Setting(N4 Ref) : /device/lge/mako/media_codecs.xml
• (opt) Add Debug Log
  • Send : /frameworks/av/media/libstagefright/wifi-display/ANetworkSession.cpp
  • Receive : /frameworks/av/media/libstagefright/wifi-display/source/WifiDisplaySource.cpp
• HDCP Authentication Skip : /frameworks/av/media/libstagefright/wifi-display/source/WifiDisplaySource.cpp
• AOSP Sink Response Fix : /frameworks/av/media/libstagefright/wifi-display/source/WifiDisplaySource.cpp
• H/W Encoder Fix : /frameworks/av/media/libstagefright/ACodec.cpp
  • (OMAP) : (Android)/system/vendor/firmware/ducati-m3.bin
• (opt) Connect by Wi-Fi : /frameworks/base/services/java/com/android/server/display/WifiDisplayController.java
• (opt) Frame rate Change

Sink patches

• Hardware Video Decoder Setting : /device/lge/mako/media_codecs.xml
• Respond to Wi-Fi Direct Scanning : /frameworks/base/services/java/com/android/server/display/WifiDisplayController.java
• AOSP Sink Response Fix : /frameworks/av/media/libstagefright/wifi-display/sink/WifiDisplaySink.cpp
• Display Size Fix : /frameworks/av/media/libstagefright/wifi-display/sink/TunnelRenderer.cpp
• Display Rotate 90 Degrees : /frameworks/native/libs/gui/SurfaceTexture.cpp
• Invoke Sink when p2p conncted : JNI Sink App(, merge to Settings App)
  • (opt) or /external/wpa_supplicant_8/wpa_supplicant/p2p_supplicant.c