Steps to reproduce:

1) Download attached project 'ReproVideoPlayer.zip' and open in Unity
2) Build and run project on a device
3) Touch the screen to increase playback speed
---After 1x video freezes

Expected result: Playback speed increases and video plays without freeze.
Actual result: When playback speed reaches more than 1x, video freezes.

Reproduced with:
5.6.0f3, 5.6.0p3, 2017.1.0b2

DUT:
Reproduced with:
Samsung SM G925F (Galaxy S6 Edge), OS:6.0.1, CPU:arm64-v8a, GPU:Mali-T760, Build:samsung/zeroltexx/zerolte:6.0.1/MMB29K/G925FXXU5DQA7:user/release-keys

HUAWEI EVA L19, OS:7.0, CPU:arm64-v8a, GPU:Mali-T880, Build:HUAWEI/EVA-L19/HWEVA:6.0/HUAWEIEVA-L19/C432B182:user/release-keys

Not reproduced with:
iPhone 6S iOS 10.3.1

Note: In 5.6.0f2 and earlier I wasn't able to play this video at all
Reproduces when video has a framerate of 60FPS

-------------------------
Fixed in: 5.6.2p1, 2017.1.0b9