Android 4.3

Good

Nexus 10 supported Miracast officially.

• Use wireless display on Nexus 4, Nexus 7 (2013), & Nexus 10
• https://android.googlesource.com/device/samsung/manta/+/android-4.3_r2.1/overlay/frameworks/base/core/res/res/values/config.xml

    <bool name="config_enableWifiDisplay">true</bool>

Bad

Where is Sink implementation?

4.2.2

• https://android.googlesource.com/platform/frameworks/av/+/android-4.2.2_r1.2/media/libstagefright/wifi-display/

// ...
TimeSeries.cpp
TimeSeries.h
sink/   <-- this sink implementation is so-so working!
source/
udptest.cpp
wfd.cpp

4.3

• https://android.googlesource.com/platform/frameworks/av/+/c4bd06130e4c3068ab58a0be88a4f765c2267563
  • "Remove all traces of wifi display sink implementation and supporting code."

* https://android.googlesource.com/platform/frameworks/av/+/android-4.3_r2.1/media/libstagefright/wifi-display/ ``` // ... VideoFormats.cpp VideoFormats.h rtp/ source/ wfd.cpp ```

• sink already deleted since android-4.3_r0.9
  • https://android.googlesource.com/platform/frameworks/av/+/android-4.3_r0.9/media/libstagefright/wifi-display/

ISurfaceTexture.h -> IGraphicBufferProducer.h

• 4.2.2: /frameworks/native/include/gui/ISurfaceTexture.h
• 4.3: /frameworks/native/include/gui/IGraphicBufferProducer.h

and other changes...

testing(2013/07/25)

Nexus 4 Stock Rom

• working
  • Q-WH-D1, PTV3000, AllShare Cast

Nexus 7 AOSP Source Code + Miracast Source Patches

• couldn't working?

  • Q-WH-D1, PTV3000, AllShare Cast

• https://android.googlesource.com/platform/frameworks/av/+/android-4.3_r2.1/media/libstagefright/wifi-display/source/RepeaterSource.cpp

status_t RepeaterSource::read(
 // ...
                mCondition.wait(mLock);

stop this line. because kWhatRead message not arrived.