Playback States

Saving State

We have different settings and options per media and per Application in the clients. The settings should behave the same across all of Platforms. This document tries to formulate a guideline on how to persist these states

What states need to be considered for persistance?

State/Setting	Media	Application	has Default
Repeat	No	Yes	No
Playback speed	Yes	No	Yes
Shuffle	No	Yes	No
Audio/Video track	Yes	No	No
Aspect Ratio	Yes	No	No
Audio/Video sync	Yes	No	Yes
Equalizer	No	Yes	No
Subtitle sync	Yes	No	Yes
last played media	No	Yes	No
play as audio	No	Yes	No
Current renderer	No	Yes	No
Current position in playlist	No	Yes	No

has Default: means that there is a general value and can be changed in the settings or somewhere in the application

Application: means that it is application wide one state

Media: just a state per media

Reasoning

Playback Speed

If you watch conference videos you might want to double the speed. Persisting this across the Application when you change it on one Media item and applying it to the next might be confusing and unwanted. Instead there should be a default playback speed that can be set. Up for discussion is still if it should be a checkmark next to the playback speed control like [x] always apply or if it should be somewhere hidden in the settings. On Android Devices we also detect the medium, like Podcast or Audiobook to set a different playback speed automatically.

Audio Video sync, subtitle sync

For bluetooth headsets some users want a default delay to make up for the delay experienced due to bluetooth connectivity