Add support for basic RTMP urls
Use internal filters for gif format.

Microsoft's Generate Still Video filter has problems with animation rate and store every
frame (uncompressed) in memory, which for gifs with longer animation can be a problem.

Fixes #4678, #4856
Work-around a bug in NVIDIA driver v344.11 affecting EVR-based renderers.

EVR, EVR-CP and Sync renderer would accept P010 pixel format when using the NVIDIA driver v344.11 even though this pixel format isn't supported by the EVR.
CPPageAccelTbl: Remove an unused function.
Cosmetics: reindent file.
DVB: Don't update stats when channel is not active.
DVB: Show current event time in the status bar.
DVB: Make use out of the DVBState struct.
Mpeg2SectionData: Minor refactioring of the ParseEIT() method.
DVB: Cosmetic for SetChannel().