[Galaxy S II Q&A, Help & Troubleshooting] s107ken:
Good news coming in a New Year :D

Miracast Source(send) have an important three settings that is Screen Size, Bitrate and FPS.

Miracast Source execute in AOSP default setting, latency is increasing.

1280 x 720, Bitrate 5000000(AOSP default), FPS 30Hz(AOSP default)

I/PlaybackSession(1863): sink reports avg. latency of 47 ms (max 203 ms)
I/PlaybackSession(1863): sink reports avg. latency of 697 ms (max 1022 ms)
I/PlaybackSession(1863): sink reports avg. latency of 1448 ms (max 1765 ms)
I/PlaybackSession(1863): sink reports avg. latency of 2293 ms (max 2603 ms)
I/PlaybackSession(1863): sink reports avg. latency of 3089 ms (max 3408 ms)
I/PlaybackSession(1863): sink reports avg. latency of 3902 ms (max 4247 ms)
I/PlaybackSession(1863): sink reports avg. latency of 4737 ms (max 5075 ms)
I/PlaybackSession(1863): sink reports avg. latency of 5518 ms (max 5853 ms)
I/PlaybackSession(1863): sink reports avg. latency of 6280 ms (max 6611 ms)
I/PlaybackSession(1863): sink reports avg. latency of 7088 ms (max 7435 ms)
I/PlaybackSession(1863): sink reports avg. latency of 7891 ms (max 8280 ms)
I/PlaybackSession(1863): sink reports avg. latency of 8723 ms (max 9098 ms)
I/PlaybackSession(1863): sink reports avg. latency of 9577 ms (max 9909 ms)
I/PlaybackSession(1863): sink reports avg. latency of 10403 ms (max 10739 ms)
I/PlaybackSession(1863): sink reports avg. latency of 11173 ms (max 11451 ms)
I/PlaybackSession(1863): sink reports avg. latency of 11944 ms (max 12305 ms)
I/PlaybackSession(1863): sink reports avg. latency of 12792 ms (max 13138 ms)
I/PlaybackSession(1863): sink reports avg. latency of 13615 ms (max 13962 ms)
I/PlaybackSession(1863): sink reports avg. latency of 14399 ms (max 14720 ms)
I/PlaybackSession(1863): sink reports avg. latency of 15152 ms (max 15480 ms)
I/PlaybackSession(1863): sink reports avg. latency of 15943 ms (max 16265 ms)
I/PlaybackSession(1863): sink reports avg. latency of 16765 ms (max 17109 ms)
I/PlaybackSession(1863): sink reports avg. latency of 17580 ms (max 17921 ms)

three settings changes in patched wifi-display, latency is good :cool:

800x480, Bitrate 1000000, FPS 10Hz

I/PlaybackSession(1863): sink reports avg. latency of 43 ms (max 188 ms)
I/PlaybackSession(1863): sink reports avg. latency of 191 ms (max 302 ms)
I/PlaybackSession(1863): sink reports avg. latency of 244 ms (max 362 ms)
I/PlaybackSession(1863): sink reports avg. latency of 7 ms (max 154 ms)
I/PlaybackSession(1863): sink reports avg. latency of -27 ms (max 35 ms)
I/PlaybackSession(1863): sink reports avg. latency of -27 ms (max 32 ms)
I/PlaybackSession(1863): sink reports avg. latency of -30 ms (max 38 ms)
I/PlaybackSession(1863): sink reports avg. latency of -32 ms (max 21 ms)
I/PlaybackSession(1863): sink reports avg. latency of -33 ms (max 41 ms)
I/PlaybackSession(1863): sink reports avg. latency of -27 ms (max 40 ms)
I/PlaybackSession(1863): sink reports avg. latency of -25 ms (max 39 ms)
I/PlaybackSession(1863): sink reports avg. latency of -24 ms (max 69 ms)
I/PlaybackSession(1863): sink reports avg. latency of -41 ms (max 20 ms)
I/PlaybackSession(1863): sink reports avg. latency of -35 ms (max 41 ms)

this is a stock movie(on sdcard *.mp4) play result.