Adds user interface to control the H.264 encoder's use of Periodic Intra Refresh and maximum interval between keyframes.

Attempts to unblock the media flow/codec chain when a Windows Audio Session API (WASAPI) render device appears to be malfunctioning/blocked.

Changes the method used to load default properties file on Android.
Closes the stream after loading.

mistakenly flagged invalid.

punch packets being transformed by ZRTP).

Fixes an access violation during the initialization of the PortAudio integration. Reported by Tudor Berechet.

playback, on the focus of a video conference (which also lead to multiple
Components and renderers being used), which sometimes caused the videos
on the focus' interface to freeze.

Prevents MediaStreamMediaDeviceSession from creating local
Player instances, instead reuses the Player from the
VideoTranslatorMediaDevice's wrapped VideoMediaDeviceSession.

Makes VideoTranslatorMediaDevice a VideoListener of its wrapped
VideoMediaDeviceSession, forwarding all received events to all of its
MediaStreamMediaDeviceSession's.

conference. Adds some logs.

We don't need to perform any format checks in
VideoMediaDeviceSession#onRTCPFeedbackCreate(). At the time of a call,
our format could be null (for MediaStreamMediaDeviceSession's
subsequently added to a VideoTranslatorMediaDevice), which causes an
NPE.

Reduces the numbers of times that the camera gets opened and closed on Windows to the minimum, strives to be more thorough about the opening, closing, disposing in an attempt to mitigate issues which could cause the camera to remain open.

The file is named jitsi-default-overrides.properties and it allows a
deployer (system administrator) to keep a separate set of locally
define properties, different from the ones the come with the client.

This commit also allows for zero length override property values.

Attempts to fix failures of the Windows Audio Session API (WASAPI) integration which reportedly break the very capture and playback functionality.

This doesn't change anything semantically since the exceptions could
have already been thrown. They were just removed from the signatures in
an earlier commit and that might have been an omission during
refactoring.

Fixes a problem in the resolution of the devices by name (which could lead to the use of audio devices from an incorrect audio system).