Alternatively head to a specific conversation and click the "i" on the top-right hand corner to mute for 1 hr, until 8am, or indefinitely. Manage, you will see a large ‘T’ in the top right hand corner whenever you type text into your Snapchats. In the same menu as ‘Filters’ is ‘Special Text’, which allows you to enlargen the text you send. Privacy. In the same menu, on iOS and Android, you can block contacts who you no longer want to be able to message you. By default, your contacts can see when you were last active on Viber and if you have read their message. Once this is done, tap on the arrow icon at the bottom right and your video message is delivered. FFmpeg - This project develops the cross-platform recording, conversion and streaming solution for audio and video. This project aims to provide a universal driver for Linux webcams.